JVC HR-J271MS Service Manual
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JVC HR-J271MS Service Manual

Video cassette recorder
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Table of Contents

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See also: Instruction Manual
www.freeservicemanuals.info
SERVICE MANUAL
VIDEO CASSETTE RECORDER
HR-J271MS/J471MS/J677MS/J777MS
SPECIFICATIONS
GENERAL
Power requirement
Rating
Operating
Power consumption
Temperature
Operating
Storage
Operating position
Dimensions (WxHxD)
Weight
Format
Maximum recording time
(SP)
(LP)
(EP)
VIDEO/AUDIO
Signal system
Recording system
Signal-to-noise ratio
Horizontal resolution
Frequency range
Input/Output
CABLE/
VCR
TV
DVD/SAT
TV/VCR
AUDIO
1
2
3
2
4
5
6
VPS/PDC
DAILY/QTDN.
WEEKLY/HEBDO
7
8
9
0000
AUX
4
0
START
STOP
DATE
PR
DEBUT
FIN
EXPRESS
1
PROG
30 SEC
STANDBY/ON
TV PR +
VIDEO
(MONO)
TV PR –
(The specifications shown pertain specifically to the model HR-J777MS/J677MS)
: AC 110 V – 240 V`, 50/60 Hz
: AC 90 V – 260 V`, 50/60 Hz
: 19 W
: 5°C to 40°C
: –20°C to 60°C
: Horizontal only
: 400 mm x 94 mm x 278 mm
: 3.3 kg
: VHS standard
: 240 min. with E-240 video cassette
(PAL/MESECAM)
: 160 min. with T-160 video cassette
(NTSC)
: 480 min. with E-240 video cassette
(PAL/MESECAM)
: 480 min. with T-160 video cassette
(NTSC)
: PAL-type colour signal and
CCIR monochrome signal,
625 lines 50 fields
: NTSC colour and EIA
monochrome signals,
525 lines/60 fields
: DA-4 (Double Azimuth)
head helical scan system
: 45 dB
: 250 lines (PAL/MESECAM)
: 220 lines (NTSC)
: 70 Hz to 10,000 Hz (Normal audio)
20 Hz to 20,000 Hz (Hi-Fi audio)
: RCA connectors (IN x 2, OUT x 1)
This service manual is printed on 100% recycled paper.
Digitized in Heiloo Netherland
COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD.
COLOUR SYSTEM
+8
L–AUDIO–R
4
SP
REVIEW
0
6
REC LINK
15dB
NORM
TUNER/TIMER
TV channel storage
capacity
Tuning system
Channel coverage
Aerial output
Memory backup time
ACCESSORIES
Provided accessories
*Not provided in certain areas.
SP/LP/EP
PR
DISLAY
: 99 positions (+AUX position)
: Frequency synthesized tuner
: VHF
(Low) 42 MHz – 175 MHz
(High)175 MHz – 470 MHz
UHF
470 MHz – 870 MHz
: UHF channels (Adjustable
E28 – E60)
: Approx. 6 months
Estimated figure based on
supplied fresh battery; actual
performance may differ.
: RF cable,
Infrared remote control unit,
"R6/UM-3" battery x 2,
Lithium battery CR2025,
Conversion plug*
4/5/2017
TM
TM
PAL NTSC
No. 82811
July 2000
Table of Contents
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Summary of Contents for JVC HR-J271MS

  • Page 1 4/5/2017 SERVICE MANUAL VIDEO CASSETTE RECORDER HR-J271MS/J471MS/J677MS/J777MS CABLE/ DVD/SAT TV/VCR AUDIO VPS/PDC DAILY/QTDN. WEEKLY/HEBDO 0000 START STOP DATE DEBUT EXPRESS PROG 30 SEC SP/LP/EP STANDBY/ON TV PR + COLOUR SYSTEM VIDEO (MONO) L–AUDIO–R TV PR – REVIEW REC LINK...

  • Page 2: Table Of Contents

    3.1.2 Required adjustment tools ............... 3-1 3.1.3 Color (colour) bar signal,Color (colour) bar pattern ......3-1 3.1.4 Switch settings and standard precautions ........3-1 The following table lists the differing points between Models (HR-J271MS, HR-J471MS, HR-J677MS, HR-J777MS) in this series. HR-J271MS HR-J471MS...

  • Page 3: Important Safety Precautions

    Important Safety Precautions Prior to shipment from the factory, JVC products are strictly inspected to conform with the recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 4 www.freeservicemanuals.info 4/5/2017 • Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions, Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards.

  • Page 5: Disassembly

    (L5b) Mini ope (Mini front) board assembly assembly CN7001(WR5) [HR-J271MS/J471MS] • When reattaching the Front panel assembly, make sure that the door opener a of the Cassette holder assembly is low- 1.2 HOW TO READ THE DISASSEMBLY AND ASSEMBLY ered in position prior to the reinstallation.
  • Page 6 www.freeservicemanuals.info 4/5/2017 Procedures for Lowering the Cassette holder assembly As the mechanism of this unit is integrated with the Housing assembly, the holder must be lowered and the two screws un- screwed when removing the Mechanism assembly. (L2) Fig. 2 Fig.
  • Page 7 NOTE: When installing the DRUM assembly, secure the screws (S4a) in the order of a , b . (S5) (S4a) (S4b) (S4c) Foil side Q3002[HR-J271MS/ CN7001[HR-J271MS/J471MS] J471MS] CN7003[HR-J677MS/J777MS] Q3003[HR-J677MS/ (L5a) J777MS] End sensor (L4) ...

  • Page 8: Service Position

    www.freeservicemanuals.info 4/5/2017 (5) Connect the power cord to the wall socket, and lift the 1.4 SERVICE POSITION cassette holder. In order to facilitate diagnosis and the repair of the Mecha- (Before turning on the power make sure that there is noth- nism assembly, this unit is constructed so as to allow the ing which may produce a short circuit, such as faulty sol- Mechanism and Main board assemblies to be removed to-...

  • Page 9: Mechanism Service Mode

    (1) Disconnect VCR from AC. (6) The cassette holder lowers and, when the loading has (2) Connect TPGND and TP7001(TEST) on the Main board completed, the mechanism enters the desired mode. assembly with a jump wire. [HR-J271MS, HR-J471MS] TP106 PB.FM TP111 D.FF TP4001 CTL.P...

  • Page 10: Emergency Display Function

    www.freeservicemanuals.info 4/5/2017 1.6.1 Displaying the emergency information 1.6 EMERGENCY DISPLAY FUNCTION (1) Transmit the code “59” from the Jig RCU. This unit has a function for storing the history of the past two The FDP shows the emergency content in the form of emergencies (EMG) and displaying them on each FDP.

  • Page 11: Emergency Content Description

    www.freeservicemanuals.info 4/5/2017 1.6.3 Emergency content description Note: Emergency contents “E08/E09” are for the model with Dynamic Drum (DD). CONTENT CAUSE E01: Loading EMG When the mechanism mode cannot be changed to an- 1 The mechanism is locked in the middle of mode transition. other mode even when the loading motor has rotated 2 The mechanism is locked at the loading end due to the encoder position for more than 4 seconds in the loading direction, [E:01]...

  • Page 12: Emergency Detail Information 1

    www.freeservicemanuals.info 4/5/2017 1.6.4 Emergency detail information 1 : Mechanism Operation Mode [Table of MN] The status (electrical operation mode) of the VCR and the sta- tus (mechanism operation mode/sensor information) of the Display Mechanism Operation Mode Command standby (Status without executing command) mechanism in the latest emergency can be confirmed based on POWER OFF by EMG occurrence the figure in EMG detail information 1 .

  • Page 13: Emergency Detail Information 2

    www.freeservicemanuals.info 4/5/2017 1.6.5 Emergency detail information 2 : Mechanism Sensor Information 3 – [Common table of MN and HD] The type of the cassette tape and the cassette tape winding po- sition can be confirmed based on the figure in EMG detail infor- Mechanism Sensor Information Display S-VHS SW...

  • Page 14: Syscon Circuit

    www.freeservicemanuals.info 4/5/2017 1.7 SYSCON CIRCUIT 1.7.1 Syscon CPU pin function (IC3001) [HR-J677MS, HR-J777MS] PIN NO. LABEL IN/OUT FUNCTION CTL(+) IN/OUT CTL(+)SIGNAL SVSS CTL(-) IN/OUT CTL(-)SIGNAL CTLBIAS CTL BIAS VOLTAGE CTLFB CTLAMPOUT CTL PULSE OUTPUT CTLSMTIN CTL PULSE INPUT CAPSTAN FG PULSE INPUT SVCC SYSTEM POWER AVCC...
  • Page 15 www.freeservicemanuals.info 4/5/2017 PIN NO. LABEL IN/OUT FUNCTION TU CE CHIP ENABLE OF THE TUNER UNIT TUNER SYSTEM “L” MODE:H TU FG DETECTION SIGNAL FOR TAKE-UP REEL ROTATION/TAPE REMAIN TU CLK CLOCK FOR DATA TRANSFER TO THE TUNER UNIT TU DATA TUNING DATA NMI(L) TIMER CLOCK (32.768 kHz)

  • Page 16: Mechanism Adjustment

    www.freeservicemanuals.info 4/5/2017 SECTION 2 MECHANISM ADJUSTMENT 2.1 BEFORE STARTING REPAIR AND ADJUSTMENT 2.1.1 Precautions (1) Unplug the power cable of the main unit before using your Loading motor soldering iron. (2) Take care not to cause any damage to the conductor wires when plugging and unplugging the connectors.

  • Page 17: Jigs And Tools Required For Adjustment

    www.freeservicemanuals.info 4/5/2017 2. In case of mechanical failure 2.1.4 Jigs and Tools Required for Adjustment If you cannot remove the cassette tape which is loaded be- Roller driver A/C head positioning tool Torque gauge cause of any mechanical failure, manually remove it by tak- PTU94002 PTU94010 PUJ48075-2...

  • Page 18: Maintenance And Inspection

    www.freeservicemanuals.info 4/5/2017 2.1.5 Maintenance and Inspection 1. Location of major mechanical parts In this chapter, the two mechanism speeds are described by comparing the speeds of the standard type and the high-speed FF/REW type. It is possible to distinguish between these two types of mechanism by the diameters of their capstan pulleys. The capstan pulley diameter for the standard type is approx.
  • Page 19 www.freeservicemanuals.info 4/5/2017 4. Suggested servicing schedule for main components The following table indicates the suggested period for such Guide rail Roller cam assembly service measures as cleaning,lubrication and replacement. In practice, the indicated periods will vary widely according to environmental and usage conditions.However, the indi- cated components should be inspected when a set is brought for service and the maintenance work performed if neces- sary.
  • Page 20 www.freeservicemanuals.info 4/5/2017 Symbols and numbers R4 R1 T9 T12 T11 B15 B12 B14 B13 B17 B21 B7 B8 B5 B4 B11 T14 T15 T13 T22 T24 T18 B19 Removal parts (Reference items) Replacement parts 2.2.3 Guide rail 2.2.3 Roller cam assembly 2.2.3 Cassette housing bracket 2.2.3 Opener guide 2.2.3 Door opener...

  • Page 21: Replacement Of Major Parts

    www.freeservicemanuals.info 4/5/2017 2.2 REPLACEMENT OF MAJOR PARTS 2.2.3 Cassette Holder Assembly 1. How to remove 2.2.1 Before Starting Disassembling (Phase matching (1) Remove the guide rail and roller cam assembly. (See between mechanical parts) Fig.2-2-3a.) The mechanism of this unit is closely linked with the rotary (3 lugs on the guide rail and one lug on the roller cam encoder and system controller circuits.
  • Page 22 www.freeservicemanuals.info 4/5/2017 (5) While holding the left side of the cassette holder, lift the 2. How to install (Phase matching) cassette holder assembly so that the three legs on the (1) Insert the section A of the drive arm into the section B left side are all released.

  • Page 23: Pinch Roller Arm Assembly

    www.freeservicemanuals.info 4/5/2017 2.2.6 Audio Control Head Notches Guide hole Notch 1. How to remove Relay gear (1) Remove the two screws (A) and remove the audio con- trol head together with the head base. (2) When replacing only the audio control head, remove the three screws (B) while controlling the compression spring.

  • Page 24: Capstan Motor

    www.freeservicemanuals.info 4/5/2017 2. How to install (Centering the mounting position) Loading motor board assembly When the capstan motor has once been removed and then reinstalled out of the initial correct position in the rotational Loading motor direction, the capstan motor current may be unstable during Lugs Motor guide operation in high or low temperatures.

  • Page 25: Rotary Encoder

    www.freeservicemanuals.info 4/5/2017 2.2.10 Rotary Encoder 2.2.12 Change Lever Assembly, Direct Gear, Clutch Gear and Coupling Gear 1. How to remove (1) Remove the screw (A) and remove the rotary encoder 1. How to remove by pulling it up. (See Fig. 2-2-10a.) (1) Release the two lugs of the rotary encoder guide in the arrow-indicated direction and remove the change lever assembly.

  • Page 26: Link Lever

    www.freeservicemanuals.info 4/5/2017 2.2.13 Link Lever 2.2.14 Cassette Gear, Control Cam and Worm Gear 1. How to remove 1. How to remove (1) Remove the two slit washers. (1) Remove the control cam by lifting it. (2) Remove the link lever by lifting it from the shaft retained (2) Open the two lugs of the cassette gear outward and pull by the slit washers.

  • Page 27: Loading Arm Gear (Supply Or Take-Up Side) And Loading Arm Gear Shaft

    www.freeservicemanuals.info 4/5/2017 (3) Install the control plate so that the section A of the load- (3) Turn the loading arm gear (take-up side) clockwise so ing arm gear shaft fits into the hole (A) of the control plate, that the notch of the loading arm gear (take-up side) is the section B of the control plate guide into the hole (B), in alignment with the projection of the loading arm gear and the control plate comes under the section C of the...

  • Page 28: Take-Up Lever, Take-Up Head And Control Plate Guide

    www.freeservicemanuals.info 4/5/2017 2.2.17 Take-up Lever, Take-up Head and Control Plate Guide (1) Remove the spring of the take-up lever from the main deck. Spring (2) Remove the lug (A) of the take-up lever from the main Sub brake assembly deck and pull out the take-up lever and the take-up head Lug(A) (take-up side) together.

  • Page 29: Tension Brake Assembly, Reel Disk (Supply Side) And Tension Arm Assembly

    www.freeservicemanuals.info 4/5/2017 2.2.21 Tension Brake Assembly, Reel Disk (supply side) 2.2.23 Stator Assembly and Tension Arm Assembly (1) Remove the flat cable. 1. How to remove (2) Remove the two screws (A). (1) Remove the three lugs of the tension brake assembly (3) Remove the stator assembly by lifting in the arrow-indi- from the main deck and pull them off.

  • Page 30: Upper Drum Assembly

    www.freeservicemanuals.info 4/5/2017 2.2.25 Upper Drum Assembly 1. How to remove (1) Remove the stator assembly and rotor assembly. (2) Loosen the screw of the collar assembly using a 1.5 mm hexagonal wrench and remove the collar assembly. Also remove the brush, spring and cap at one time. Lower drum assembly (3) Remove the upper drum assembly and remove the washer using tweezers.

  • Page 31: Compatibility Adjustment

    www.freeservicemanuals.info 4/5/2017 2.3 COMPATIBILITY ADJUSTMENT (6) Make sure that the V.PB FM waveform varies in parallel and linearly with the tracking operation again. When re- Notes: quired, perform fine-adjustment of the guide roller of the • Although compatibility adjustment is very important, pole base assembly (supply or take-up side).

  • Page 32: Checking/Adjustment Of The Height And Tilt Of The Audio Control Head

    www.freeservicemanuals.info 4/5/2017 (3) Press the channel buttons (+, –) simultaneously to enter the manual tracking mode. This also brings tracking to the center (centre). (4) Adjust the AUDIO OUT waveform and Control pulse waveform by turning the screws (1), (2) and (3) little by little until both waveforms reach maximum.

  • Page 33: Checking/Adjustment Of The Standard Tracking Preset

    www.freeservicemanuals.info 4/5/2017 [Perform adjustment steps (7) to (10) only for 2 Head (1) Play back the alignment tape (A). models equipped with LP mode.] (2) Apply the external trigger signal to D.FF (E), to observe the V.PB FM waveform at the measuring point (D). (7) Then play back the alignment tape (A2).
  • Page 34 www.freeservicemanuals.info 4/5/2017 Mechanism Timing Chart EJECT CASS- Mechanism mode CASS-INS FF/REW STOP SLOW/STILL PLAY Control plate mark HIGH C CH HIGH Rotary encoder B CH HIGH A CH Control cam angle 264. 318. 412. Rotary encoder 114. 150. 167. 178. 207.

  • Page 35: Electrical Adjustment

    www.freeservicemanuals.info 4/5/2017 SECTION 3 ELECTRICAL ADJUSTMENT 3.1.4 Switch settings and standard precautions PRECAUTION The SW settings of the VCR and the standard precautions The following adjustment procedures are not only necessary for the electrical adjustments are as follows. after replacement of consumable mechanical parts or board assemblies, but are also provided as references to be re- •...

  • Page 36: Servo Circuit

    www.freeservicemanuals.info 4/5/2017 SERVO CIRCUIT (4) Transmit the code (F) from the Jig RCU to adjust so that the noise bar becomes the specified value (G) on the TV 3.2.1 Switching point monitor in the slow mode. Signal (A1) • Stairstep signal (5) Set the VCR to the Stop mode.

  • Page 37: Syscon Circuit

    3.4.1 Timer clock Signal • No signal Mode • EE Equipment • Frequency counter [HR-J271MS/J471MS] Measuring point (D1) • IC3001 pin 29 (D2) • IC3001 pin 57 (D3) • C3015 + and – - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 38 www.freeservicemanuals.info 4/5/2017 ® ENGLISH CONTENTS VIDEO CASSETTE RECORDER SAFETY FIRST Safety Precautions ...... 2 HR-J777MS INSTALLING YOUR NEW RECORDER 3 Basic Connections ..... 3 INITIAL SETTINGS Video Channel Set ..... 4 HR-J677MS Auto Set Up ....... 6 On-Screen Displays ....8 Select Language ......

  • Page 39: Safety First

    www.freeservicemanuals.info 4/5/2017 SAFETY FIRST Safety Precautions The rating plate and the safety caution are on the rear of the unit. WARNING: DANGEROUS VOLTAGE INSIDE WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. CAUTION When you are not using the recorder for a long period of PAL NTSC...

  • Page 40: Installing Your New Recorder

    www.freeservicemanuals.info 4/5/2017 INSTALLING YOUR NEW RECORDER It's essential that your video recorder be properly connected. Basic Follow these steps carefully. THESE STEPS MUST BE COM- PLETED BEFORE ANY VIDEO OPERATION CAN BE PER- FORMED. Connections CHECK CONTENTS Make sure the package contains all of the accessories listed in "Specifications"...

  • Page 41: Initial Settings

    www.freeservicemanuals.info 4/5/2017 INITIAL SETTINGS If you have connected the video recorder to your TV Video via the provided RF cable only (RF connection) – Go to "With RF Connection" below. If you have connected the video recorder to your TV Channel Set via both the provided RF cable and an AV cable (AV connection) –...
  • Page 42 FINISH VIDEO CHANNEL ● If you cannot obtain the two vertical white bars clearly with any channel between 28 and 60, consult your JVC dealer. Press OK. FINISH VIDEO CHANNEL ● If Auto Set Up ( pg.

  • Page 43: Auto Set Up

    www.freeservicemanuals.info 4/5/2017 INITIAL SETTINGS (cont.) The Auto Set Up function simplifies installation by guiding you Auto Set Up through the procedures of setting the language, clock and tuner channels — simply follow the on-screen menus that appear. Before starting, make sure of the following: ●...
  • Page 44 www.freeservicemanuals.info 4/5/2017 SELECT TV SYSTEM Major Countries TV System Press PUSH JOG %fi to place the pointer next to the Australia, New Zealand, Kuwait, U.A.E., Indonesia, Singapore, Thailand, Malaysia, appropriate TV system (refer to the table on the left). Iran, Saudi Arabia, Egypt, Morocco, Lebanon, Iraq START AUTO CHANNEL China, Mongolia, Russia...

  • Page 45: On-Screen Displays

    www.freeservicemanuals.info 4/5/2017 INITIAL SETTINGS (cont.) You can choose whether or not to have various operational On-Screen indicators appear on screen, by setting this function ON or OFF. TURN ON THE RECORDER Displays Press ACCESS MAIN MENU Turn on the TV and select the VIDEO channel (or AV mode). SCREEN Press MENU.

  • Page 46: Select Language

    www.freeservicemanuals.info 4/5/2017 TURN ON THE RECORDER Select Press Language ACCESS MAIN MENU SCREEN Press MENU. Turn on the TV and select the VIDEO channel (or AV mode). ACCESS INITIAL SET SCREEN Press PUSH JOG %fi to MAIN MENU place the pointer next to "INITIAL SET", then press FUNCTION SET TUNER SET...

  • Page 47: Clock Set

    www.freeservicemanuals.info 4/5/2017 INITIAL SETTINGS (cont.) TURN THE RECORDER ON Clock Set Press ACCESS MAIN MENU SCREEN Turn on the TV and select the VIDEO channel (or AV mode). Press MENU. ACCESS INITIAL SET SCREEN Press PUSH JOG %fi to place the pointer next to "INITIAL SET", then press OK or PUSH JOG ACCESS CLOCK SET SCREEN Press PUSH JOG %fi...

  • Page 48: Playback Basic Playback

    www.freeservicemanuals.info 4/5/2017 PLAYBACK The easiest, most basic operation possible with your video Basic recorder is tape playback. Already-recorded signals on a video tape are read by your video recorder and displayed on your TV just like a TV programme. Playback LOAD A CASSETTE Make sure the window side is up, the rear label side is facing you and the arrow on the front of the cassette is...

  • Page 49: Playback Features

    www.freeservicemanuals.info 4/5/2017 PLAYBACK (cont.) Variable-Speed Search Playback ACTIVATE VARIABLE-SPEED SEARCH Features During playback, press PUSH JOG or . ● The more times you press, the faster the playback picture moves. ● To decrease speed, press the button for the opposite direction.

  • Page 50: Manual Tracking

    www.freeservicemanuals.info 4/5/2017 Manual Tracking Your video recorder is equipped with automatic tracking control. During playback, you can override this and adjust the tracking manually by pressing the PR +/– buttons. REVIEW OVERRIDE AUTOMATIC TRACKING Press (SP/LP/EP) on the remote to engage manual tracking.

  • Page 51: Index Search

    www.freeservicemanuals.info 4/5/2017 PLAYBACK (cont.) Index Search Your recorder automatically marks £ 2 index codes at the beginning of each recording. This function gives you quick access to any one of 9 index codes in either direction. NOTE: Before starting, make sure the recorder is in the Stop mode.
  • Page 52 www.freeservicemanuals.info 4/5/2017 Picture Control Next Function Memory The Next Function Memory "tells" the recorder what to do after This feature helps you to adjust the playback picture quality rewinding. Before continuing, ensure that the recorder is in the according to your preference. *The default setting is "AUTO." Stop mode.
  • Page 53 www.freeservicemanuals.info 4/5/2017 PLAYBACK (cont.) Soundtrack Selection Your video recorder is capable of recording three soundtracks (HI-FI L, HI-FI R and NORM) and will play back the one you select. During Playback Pressing AUDIO changes the soundtrack being played back as follows: AUDIO TRACK...

  • Page 54: Recording

    www.freeservicemanuals.info 4/5/2017 RECORDING TV signals being received by the recorder's built-in tuner can be Basic recorded onto a video tape. You can "capture" a TV programme using your video recorder. LOAD A CASSETTE Recording Insert a cassette with the record safety tab intact. ●...

  • Page 55: Recording Features

    www.freeservicemanuals.info 4/5/2017 RECORDING (cont.) Record One Programme Recording While Watching Another SELECT CHANNEL TO Features WATCH Once recording is in progress, all you need to do is to set the channel controls on the TV for the station you wish to view. ●...
  • Page 56 www.freeservicemanuals.info 4/5/2017 (HR-J777MS only) Receiving Stereo And Bilingual Programmes Your recorder is equipped with a Sound-Multiplex decoder (A2) and a Digital stereo sound decoder (NICAM) as well, making reception of stereo and bilingual broadcasts possible. AUDIO When the channel is changed, the type of broadcast being received will be displayed on the TV screen for a few seconds.

  • Page 57: Picture System

    www.freeservicemanuals.info 4/5/2017 RECORDING (cont.) The B.E.S.T. (Biconditional Equalised Signal Tracking) system B.E.S.T. Picture checks the condition of the tape in use during recording and playback, and compensates to provide the highest-possible recording and playback pictures. The default setting for both recording and playback is "ON".
  • Page 58 www.freeservicemanuals.info 4/5/2017 Recording Playback The recorder assesses the quality of the tape once you initiate START RECORDING playback. Press and hold RECORD and press PLAY on the remote, START PLAYBACK or press RECORD on the recorder. DURING B.E.S.T. Press PLAY. ●...

  • Page 59: Timer Recording

    www.freeservicemanuals.info 4/5/2017 TIMER RECORDING The G- timer programming system eliminates the need to CODE input channel, date, start and stop time data when setting the (HR-J777MS only) timer record function. Simply key in the G- number for the CODE TV programme you wish to record (found in most TV listings) and the recorder's timer is automatically programmed.
  • Page 60 www.freeservicemanuals.info 4/5/2017 ENTER RECEIVING CHANNEL POSITION NUMBER Press PUSH JOG %fi or G-CODE/SHOWVIEW SETUP NUMBER keys to input the number of the recorder's GUIDE PROG TV PROG channel position on which the Guide Program number's broadcast is NUMBER [0-9] OR [5/ ∞ ]:SELECT = received.

  • Page 61: Timer Programming (Hr-J777Ms Only)

    www.freeservicemanuals.info 4/5/2017 TIMER RECORDING (cont.) With the G- System, timer programming is greatly simpli- CODE fied because each TV programme has a corresponding code (HR-J777MS only) number which your recorder is able to recognise. ACCESS G-CODE/ SHOWVIEW SCREEN Timer Press PROG. G-CODE/SHOWVIEW Programming [0 –...
  • Page 62 www.freeservicemanuals.info 4/5/2017 RETURN TO NORMAL SCREEN Press PROG or OK. "PROGRAM COMPLETED" appears on the screen for about 5 seconds, then normal screen appears. ● Repeat steps 1 – 5 for each additional programme. ENGAGE RECORDER'S NUMBER TIMER MODE WEEKLY Press ‰...

  • Page 63: Express Timer Programming

    www.freeservicemanuals.info 4/5/2017 TIMER RECORDING (cont.) ACCESS TIMER Express Timer PROGRAMMING SCREEN HR-J777MS Programming – P1 – Press PROG to access the START STOP –:– – –:– – "G-CODE/SHOWVIEW" screen, then press START +/– (If you're just starting DATE TV PROG out, "P1"...
  • Page 64 www.freeservicemanuals.info 4/5/2017 SET TAPE SPEED Press SP/LP/EP ( ) to set the tape speed. RETURN TO NORMAL SCREEN After confirming all information is correct, press PROG or OK. "PROGRAM COMPLETED" appears on the screen for about 5 seconds, then normal screen appears.
  • Page 65 www.freeservicemanuals.info 4/5/2017 TIMER RECORDING (cont.) Check, Cancel And Replace Programmes DISENGAGE TIMER MODE Press ‰ ‰ ‰ ‰ ‰ , then press ACCESS PROGRAMME CHECK SCREEN Press ‰ ‰ ‰ ‰ ‰ ?. PR START STOP DATE 8:00 10:00 24.04 10:00 10:45 25.04 11:30 13:00...
  • Page 66 www.freeservicemanuals.info 4/5/2017 When programmes overlap each other If “PROGRAM OVERLAPPED” appears, you have another programme overlapping the programme you have just made. The Programme Check screen appears and conflicting programmes will start blinking. PR START STOP DATE 8:00 10:00 24.04 PROGRAM OVERLAPPED 10:00 10:45 25.04...
  • Page 67 www.freeservicemanuals.info 4/5/2017 TIMER RECORDING (cont.) Auto SP → LP Timer Auto Timer If, when timer-recording in SP mode, there is not enough tape to When the Auto Timer is set to ON the timer is automatically record the entire programme, the recorder automatically engaged when the recorder power is turned off and automati- switches to LP mode (with PAL broadcasts) or EP mode (with cally disengaged when the recorder is powered back on.

  • Page 68: Recording

    www.freeservicemanuals.info 4/5/2017 This facility allows you to automatically record a satellite Automatic Sat- program which is timer-programmed on your external satellite receiver. Connect a satellite receiver to the recorder's rear AUDIO/VIDEO IN connectors and program the timer on the satellite receiver; the recorder starts recording when the signals ellite Program input from the satellite receiver to the rear AUDIO/VIDEO IN connectors, and when there is no input signals the recorder...

  • Page 69: Special Features

    4/5/2017 SPECIAL FEATURES Remote A/B Code Switching Remote The remote control is capable of controlling two JVC video recorders independently; one set to respond to the remote control's A code control signals and another set to respond to B Control code control signals.
  • Page 70 NUMBER keys. TV PR+/– IMPORTANT Although the provided remote control unit is compatible with JVC televisions, as well as many other models, it may not work with your TV, or in some instances, may have limited function capability. ATTENTION...
  • Page 71 NUMBER keys. IMPORTANT Although the provided remote control unit is compatible with JVC satelite receiver and DVD, as well as many other models, it may not work with your unit, or in some instances, may have ATTENTION limited function capability.
  • Page 72 www.freeservicemanuals.info 4/5/2017 DVD Multi-brand Code Cable Box or Satellite Re- ceiver Multi-brand Code DVD BRAND NAME CODE CABLE BOX BRAND NAME CODE MATSUSHITA PHILIPS 72, 73, TOSHIBA AMSTRAD 60, 61, 62, 63, 92 CANAL+ CANAL SATELLITE D-box ECHOSTAR 51, 78, 79, 80, 82 FINLUX GALAXIS 69, 88...

  • Page 73: Editing

    www.freeservicemanuals.info 4/5/2017 EDITING You can use your video recorder as the source player or the Edit To Or recording deck. MAKE CONNECTIONS From Another Connect the player's AUDIO/VIDEO OUT connector to the recorder's AUDIO/VIDEO IN connector. ● Use the L connector for monaural connection. Video SET RECORDING DECK'S INPUT MODE...

  • Page 74: Edit From A Camcorder

    AUDIO/VIDEO input connectors. ● Use the L connector for monaural connection. ● When a Master Edit Control-equipped JVC camcorder is used, the camcorder is capable of controlling the recorder. Refer to the camcorder's instruction manual for operating procedure.

  • Page 75: Information On Multi-System Compatibility

    www.freeservicemanuals.info 4/5/2017 INFORMATION ON MULTI-SYSTEM COMPATIBILITY Setting Of The Colour System Select Buttons Use the COLOUR SYSTEM button on the front panel to select the colour system. Pressing the COLOUR SYSTEM displays the Mode Display current setting on the screen. While the current setting is displayed, press COLOUR SYSTEM again to change the mode as illustrated on the left.
  • Page 76 www.freeservicemanuals.info 4/5/2017 Playback This recorder can play back all 3 types of recorded tape. Recorded tape HR-J777MS/HR-J677MS Playback circuit Multi-system receiver MESECAM (B/G, D/K, I, H) Built-in MESECAM NTSC (M) RF OUT RFconverter K, I, G, H, M* NTSC [ PAL NTSC NTSC 3.58 MHz Multi-system monitor...

  • Page 77: Tuner Set

    www.freeservicemanuals.info 4/5/2017 TUNER SET IMPORTANT Turn on the TV and select the VIDEO channel (or AV mode). Perform the following steps only if auto channel set has not been set correctly by Auto Set Up function ( pg. 6) or if you have moved to a different area or if a new station starts broadcasting in your area.
  • Page 78 www.freeservicemanuals.info 4/5/2017 Manual Channel Set SELECT TV SYSTEM Store channels that were not stored during Auto Set Up ( pg. 6) Press PUSH JOG %fi to or Auto Channel Set ( pg. 40). TV SYSTEM SELECT place the pointer next to the appropriate TV system ACCESS TUNER SET (refer to the table on page...
  • Page 79 www.freeservicemanuals.info 4/5/2017 TUNER SET (cont.) Delete A Channel Swap Channel Positions Example:To swap CH03 and CH09. ACCESS TUNER SET ACCESS TUNER SET SCREEN SCREEN Perform steps 1 – 3 of "Auto Channel Set" on page 40. Perform steps 1 – 3 of "Auto Channel Set" on page 38. ACCESS CHANNEL LIST ACCESS CHANNEL LIST Press PUSH JOG %fi...
  • Page 80 www.freeservicemanuals.info 4/5/2017 Fine-Tuning Channels TV System Selection – When you see the picture but the ACCESS TUNER SET audio can't be heard or SCREEN sounds unnatural Perform steps 1 – 3 of "Auto Channel Set" on page 38. ACCESS TUNER SET SCREEN ACCESS CHANNEL LIST Perform steps 1 –...

  • Page 81: Troubleshooting

    ● The video heads may be dirty. 7. The playback picture is blurred or Use a dry cleaning cassette TCL-2UX interrupted while TV broadcasts or consult your JVC dealer. are clear. ● The wrong colour system is selected 8. Playback picture has a loss of Select the correct colour system by colour.
  • Page 82 www.freeservicemanuals.info 4/5/2017 RECORDING SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION ● There is no cassette loaded, or the 1. Recording cannot be started. Insert a cassette, or using adhesive cassette loaded has had its Record tape, reseal the slot where the tab Safety tab removed.
  • Page 83 www.freeservicemanuals.info 4/5/2017 TROUBLESHOOTING (cont.) OTHER PROBLEMS SYMPTOM POSSIBLE CAUSE CORRECTIVE ACTION ● The camcorder's microphone is too 1. Whistling or howling is heard from Position the camcorder so its the TV during camcorder record- close to the TV. microphone is away from the TV. ●...

  • Page 84: Questions And Answers

    www.freeservicemanuals.info 4/5/2017 QUESTIONS AND ANSWERS PLAYBACK RECORDING Q. What happens if the end of the tape is reached Q. When I pause and then resume a recording, the end during playback or search? of the recording before the pause is overlapped by A.

  • Page 85: Index

    www.freeservicemanuals.info 4/5/2017 INDEX FRONT VIEW SP/LP/EP STANDBY/ON COLOUR SYSTEM VIDEO ( MONO ) L–AUDIO–R REVIEW REC LINK DISLAY 15dB NORM @ # $ % ^ & COLOUR SYSTEM Button pg. 38 STANDBY/ON Button pg. 8 Cassette Loading Slot Display Panel pg.

  • Page 86: Display Panel

    www.freeservicemanuals.info 4/5/2017 DISPLAY PANEL REVIEW 15dB NORM B.E.S.T. Picture System Display pg. 20 Channel Display Symbolic Mode Indicators Clock Display Tape Speed Indicators pg. 17 STILL: Instant REVIEW Indicator pg. 13 SLOW: PLAY: Audio Level Indicator FF/REW VARIABLE RECORD: "Cassette Loaded" Mark SHUTTLE SEARCH: Counter Display RECORD PAUSE:...

  • Page 87: Remote Control

    TV, cable box, satellite ● If the remote control doesn't work properly, remove its batteries, receiver and DVD sets of JVC and other brands. pg. 33. ● Point the remote control toward the sensor window.

  • Page 88: Specifications

    **ABOUT HEAD CLEANING Accumulation of dirt and other particles on the video heads may cause the playback picture to become blurred or interrupted. Be sure to contact your nearest JVC dealer if such troubles occur. Auto Head Cleaner A built-in head cleaner automatically cleans the video heads and head drum whenever a tape is loaded or unloaded to reduce head clogging.
  • Page 89 www.freeservicemanuals.info 4/5/2017 ® VICTOR COMPANY OF JAPAN, LIMITED ® Registered Trademark owned by VICTOR COMPANY OF JAPAN, LTD. Printed in Malaysia COPYRIGHT © 2000 VICTOR COMPANY OF JAPAN, LTD. 0600IYV Digitized in Heiloo Netherland...
  • Page 90 www.freeservicemanuals.info 4/5/2017 SECTION 5 PARTS LIST SAFETY PRECAUTION Parts identified by the symbol are critical for safety. Replace only with specified part numbers. < > PACKING AND ACCESSORY ASSEMBLY The instruction manual to be provided with this product will differ according to the destination. ADHESIVE TAPE 306A...
  • Page 91 4/5/2017 < > CABINET AND CHASSIS ASSEMBLY BEWARE OF BOGUS PARTS Parts that do not meet specifications may cause trouble in regard to safety and performance. We recommend that genuine JVC parts be used. 505F 518B 505D 505E 505B 518A R.PAUSE...
  • Page 92 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 93 www.freeservicemanuals.info 4/5/2017 < > MECHANISM ASSEMBLY A/C HEAD BOARD ASSY <12> LOADING MOTOR BOARD ASSY <55> Classifi- Symbol in Part No. cation drawing Grease KYODO-SH-P NOTE:The section marked in AA and BB indicate lubrication and greasing areas. COSMO-HV56 Digitized in Heiloo Netherland...
  • Page 94 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 95: Electrical Parts List

    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ****************************** Q2051 2SC4081/QRS/-X TRANSISTOR or 2PC4081/R/-X TRANSISTOR MAIN BOARD ASSEMBLY(HR-J271MS/J471MS)<03> or 2SD1819A/QRS/-X TRANSISTOR Q2052 2SA1576A/QR/-X TRANSISTOR or 2SB1218A/QR/-X...
  • Page 96 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 97 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 98 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 99 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 100: Main Board Assembly(Hr-J677Ms/J777Ms)<03>

    www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 101 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 102 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 103 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 104 www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 105: Audio Control Head Board Assembly <12>

    www.freeservicemanuals.info 4/5/2017 REF No. PART No. PART NAME, DESCRIPTION REF No. PART No. PART NAME, DESCRIPTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

  • Page 106: Mini Front Board Asseembly(Hr-J271Ms/J471Ms)<28>

    ****************************** LP40077-001A BRACKET(BOARD) CN6701 QGG2502K1-10 HEADER PIN LT.BATTERY BOARD ASSEMBLY(HR-J271MS/J471MS)<93> LPA10088-01A4 LT.BATTERY BOARD ASSY BT3001 QNZ0032-001 BATTERY HOLDER ****************************** MINI FRONT BOARD ASSEEMBLY(HR-J271MS/J471MS)<28> ****************************** LPA10088-01C6 MINI FRONT BOARD ASSY R7043 QRE141J-272Y RESISTOR 2.7kØ,1/4W LT.BATTERY BOARD ASSEMBLY(HR-J677MS/J777MS)<93> R7044 QRE141J-472Y RESISTOR 4.7kØ,1/4W...

  • Page 107: Notes Of Schematic Diagram

    www.freeservicemanuals.info 4/5/2017 SECTION 4 CHARTS AND DIAGRAMS 4) Indication on schematic diagram NOTES OF SCHEMATIC DIAGRAM Voltage Indications for REC and PB mode on the sche- matic diagram are as shown below. Safety precautions The Components identified by the symbol critical for safety.

  • Page 108: Circuit Board Notes

    www.freeservicemanuals.info 4/5/2017 6. Signal path Symbols CIRCUIT BOARD NOTES The arrows indicate the signal path as follows. 1. Foil and Component sides 1) Foil side (B side) : Playback signal path Parts on the foil side seen from foil face (pattern face) are indicated.

  • Page 109: Board Interconnections

    4/5/2017 BOARD INTERCONNECTIONS [HR-J271MS , HR-J471MS] ( Page 4-15 ) OPEN AC110-240V 50/60Hz REAR OUT REAR IN FRONT AUDIO OPEN FRONT VIDEO BS-IF BIT IN/OUT DET IN/OUT VIDEO AUDIO(R) AUDIO VIDEO AUDIO(R) AUDIO ANT OUT ANT IN J6202 J6201...
  • Page 110 4/5/2017 VIDEO/N.AUDIO SCHEMATIC DIAGRAM [HR-J271MS , HR-J471MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. MAIN ( VIDEO/N.AUDIO ) TO BS CONNECTION OPEN OPEN TO TERMINAL SHORT 4.7k...
  • Page 111 4/5/2017 SYSTEM CONTROL SCHEMATIC DIAGRAM [HR-J271MS , HR-J471MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. TO CAP MDA TO SW.REG DRUM MOTOR CON1 ICP-N25 AL5V 0.01...
  • Page 112 4/5/2017 SWITCHING REGULATOR SCHEMATIC DIAGRAM [HR-J271MS , HR-J471MS] NOTE : When ordering parts , be sure to order according to the Part Number indicated in the Parts List. TO DISPLAY SHORT AC110-240V VA5001 D5001 2A/250 50/60Hz TO SYSCON OPEN...
  • Page 113 4/5/2017 TUNER SCHEMATIC DIAGRAM [HR-J271MS , HR-J471MS] NOTE : When ordering parts , be sure to order according to the Part Number indicated in the Parts List. MAIN [TUNER] SYSCON SW.REG OPEN UN5211 0.047 R6552 OPEN R6551 OPEN OPEN OPEN VIDEO/N.AUDIO...
  • Page 114 4/5/2017 DISPLAY AND MINI FRONT SCHEMATIC DIAGRAMS [HR-J271MS , HR-J471MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. D7012 SLR-34DU3F MAIN ( DISPLAY ) D7013 SLR-342MG3F OPEN...
  • Page 115 4/5/2017 BS CONNECTION AND LITHIUM BATTERY SCHEMATIC DIAGRAMS [HR-J271MS , HR-J471MS] TERMINAL SCHEMATIC DIAGRAM [HR-J271MS , HR-471MS] NOTE : When ordering parts , be sure to order according to NOTE : When ordering parts , be sure to order according to the Part Number indicated in the Parts List.
  • Page 116 www.freeservicemanuals.info 4/5/2017 BOARD INTERCONNECTIONS [HR-J677MS , HR-J777MS] AC110-240V ( Page 4-24 ) 50/60Hz OPEN OPEN ANT OUT ANT IN (L-1) (L-2) ( Page 4-27 ) R.PAUSE ( Page 4-32 ) J7107 MOD B(AL5V) SAT CONTROL MAIN ( VIDEO/AUDIO Page 4-19 ) ( ON SCREEN Page 4-21 ) ( SYSCON...
  • Page 117 www.freeservicemanuals.info 4/5/2017 VIDEO/AUDIO SCHEMATIC DIAGRAM [HR-J677MS , HR-J777MS] 4.10 NOTE : When ordering parts , be sure to order according to the Part Number indicated in the Parts List. MAIN ( VIDEO/AUDIO ) TO SYSCON TO TERMINAL 2.7k OPEN OPEN TO SW.REG 2.2k 2.2k...
  • Page 118 www.freeservicemanuals.info 4/5/2017 4.11 ON SCREEN SCHEMATIC DIAGRAM [HR-J677MS , HR-J777MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. MAIN ( ON SCREEN ) OPEN LC74789N-9795 TO VIDEO/AUDIO V TO OSD V FROM OSD 1SS133 TO SYSCON...
  • Page 119 www.freeservicemanuals.info 4/5/2017 NOTE : When ordering parts , be sure to order according to 4.12 SYSTEM CONTROL AND LITHIUM BATTERY SCHEMATIC DIAGRAMS [HR-J6777MS , HR-J777MS] the Part Number indicated in the Parts List. TO SYSCON CN3005 TO VIDEO/AUDIO (NC) TO VIDEO/AUDIO 3.58NTSC(H) TO DRUM MOTOR MESECAM(H)
  • Page 120 www.freeservicemanuals.info 4/5/2017 4.13 SWITCHING REGULATOR SCHEMATIC DIAGRAM [HR-J677MS , HR-J777MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. TO DISPLAY R5301 AC110-240V TO SYSCON 50/60Hz B5001 SHORT OPEN AK04 OPEN TO VIDEO/AUDIO...
  • Page 121 www.freeservicemanuals.info 4/5/2017 4.14 TUNER SCHEMATIC DIAGRAM [HR-J677MS , HR-J777MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. MAIN ( TUNER ) [HR-J777MS] TO SW.REG TO VIDEO/AUDIO RF OUT TU6001 [HR-J677MS] OPEN...
  • Page 122 www.freeservicemanuals.info 4/5/2017 DISPLAY AND MINI OPE SCHEMATIC DIAGRAMS [HR-J677MS , HR-J777MS] 4.15 When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. OPEN 1SS133 REC LINK TO SYSCON RD9.1ES/B2 MINI OPE CN7005 GP1U291Q 2.7k...
  • Page 123 www.freeservicemanuals.info 4/5/2017 4.16 TERMINAL AND R.PAUSE SCHEMATIC DIAGRAMS [HR-J677MS , HR-J777MS] NOTE : When ordering parts , be sure to order according to the Part Number indicated in the Parts List. OPEN OPEN OPEN REAR OUT OPEN OPEN OPEN 470/6.3 V.OUT AV2 IN/DECODER (L-2)

  • Page 124: Demodulator Schematic Diagram [Hr-J777Ms]

    www.freeservicemanuals.info 4/5/2017 4.17 DEMODULATOR SCHEMATIC DIAGRAM [HR-J777MS] When ordering parts , be sure to order according to NOTE : the Part Number indicated in the Parts List. DEMOD R6715 R6713 C6718 OPEN R6710 TO TUNER CN6701 C6712 OPEN C6722 TU MUTE OPEN C6711 OPEN...
  • Page 125 4/5/2017 WAVEFORMS [HR-J677MS, HR-J777MS] WAVEFORMS [HR-J271MS, HR-J471MS] — VIDEO/AUDIO — — VIDEO/N.AUDIO — IC1-11 IC1-13 IC1-18 IC1-1 IC1-11 IC1-13 IC1-20 IC1-27 IC1-1 IC1-27 PB 0.68 Vp-p REC/PB 0.5 Vp-p REC/PB 0.5 Vp-p REC 1.0 Vp-p REC/PB 2.2 Vp-p PB 0.44 Vp-p REC/PB 0.48 Vp-p...
  • Page 126 4/5/2017 4.18 MAIN , A/C HEAD , MINI FRONT , LITHIUM BATTERY AND LOADING MOTOR CIRCUIT BOARDS [HR-J271MS , HR-J471MS] 03 MAIN DANGEROUS VOLTAGE LPB10088-002D 12 A/C HEAD LPB10010-001A 93 LITHIUM BATTERY LPB10088-002D 28 MINI FRONT LPB10088-002D 55 LOADING MOTOR...
  • Page 127 4/5/2017 [HR-J271MS , HR-J471MS] COMPONENT PARTS LOCATION GUIDE MAIN REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION CAPACITOR C2007 A D 13O C5206 D3005 R401 B C 15O R3080...
  • Page 128 www.freeservicemanuals.info 4/5/2017 [HR-J677MS , HR-J777MS] COMPONENT PARTS LOCATION GUIDE MAIN REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION R7117 CAPACITOR C315 C4015 B C 11G CN6701 L302 R3011 B C 10G R4001 R7119 C316...
  • Page 129 www.freeservicemanuals.info 4/5/2017 MAIN , A/C HEAD , MINI OPE , R.PAUSE , LITHIUM BATTERY AND LOADING MOTOR CIRCUIT BOARDS [HR-J677MS , HR-J777MS] 4.19 DANGEROUS VOLTAGE 03 MAIN LPB10086-001E 12 A/C HEAD LPB10010-001A 91 R.PAUSE LPB10086-001E 93 LITHIUM BATTERY LPB10086-001E 28 MINI OPE LPB10086-001E 55 LOADING MOTOR LPB10010-001A...

  • Page 130: Demodulator Circuit Board [Hr-J777Ms]

    www.freeservicemanuals.info 4/5/2017 4.20 DEMODULATOR CIRCUIT BOARD [HR-J777MS] 4.21 FDP GRID ASSIGNMENT AND CONNECTION [A] (FDP with audio level indicator) VN LD REVIEW 14 DEMOD COMPONENT PARTS LOCATION GUIDE LPB10094-001B DEMODULATOR [HR-J777MS] VPS/PDC –15dB REF.NO. LOCATION REF.NO. LOCATION REF.NO. LOCATION NORM R6711 CAPACITOR CONNECTOR...

  • Page 131: Remote Control Schematic Diagram

    4/5/2017 4.23 VOLTAGE CHARTS [HR-J271MS, HR-J471MS] 4.22 REMOTE CONTROL SCHEMATIC DIAGRAM

  • Page 132: Voltage Charts [Hr-J677Ms, Hr-J777Ms]

    www.freeservicemanuals.info 4/5/2017 4.24 VOLTAGE CHARTS [HR-J677MS, HR-J777MS]

  • Page 133: System Control Block Diagram

    NOTE : About IC Pin No. and Signal name MAIN ( SYSCON ) XXX : HR-J677MS , HR-J777MS ( XXX ) : HR-J271MS , HR-J471MS IC3001 ( SYSTEM CONTROL MICRO PROCESSOR ) CN3003 ( CN3001 ) 65 ( 40 )

  • Page 134: Video Block Diagram

    MAIN VIDEO TERMINAL NOTE : About IC Pin No. and Symbol No. etc. SYSCON XXX : HR-J677MS , HR-J777MS MESECAM(H) ( XXX ) : HR-J271MS , HR-471MS 3.58NTSC(H) (3.58NTSC(L)) .PULSE V TO OSD ONLY USED FOR C.SYNC HR-J271MS , HR-J471MS...
  • Page 135 4/5/2017 AUDIO BLOCK DIAGRAM [HR-J271MS , HR-J471MS] 4.27 MAIN (VIDEO/N.AUDIO , TERMINAL) TUNER DEMOD (L) RF AUDIO J7101 FRONT AUDIO IN ONLY USED FOR HR-J471MS REAR AUDIO IN SYSCON REAR OUT A.MUTE(H) AUDIO N.REC ST(H) N. REC(H) 63 62 61...
  • Page 136 www.freeservicemanuals.info 4/5/2017 AUDIO BLOCK DIAGRAM [HR-J677MS , HR-J777MS] 4.28 MAIN (VIDEO/AUDIO , TERMINAL) TUNER DEMOD (R) ( VIDEO & AUDIO SIGNAL PROCESSOR ) DEMOD (L) TU AUDIO RF AUDIO J7105 A.MUTE(H) A. MUTE(H) FRONT IN INPUT A.FF A. FF AUDIO(R) SELECT USED (R-CH)

This manual is also suitable for:

Hr-j471msHr-j677msHr-j777ms

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