JVC DR-DX5SEK Service Manual

Mini dv & hdd & dvd video recorder

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Instructions manual (88 pages)

Instructions manual (92 pages)

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Summary of Contents for JVC DR-DX5SEK

Page 1: Table Of Contents
SCAN DV/HDD LIVE CHECK DR-DX5SEK, DR-DX5SEL, DR-DX5SEU, DR-DX5SEY, DR-DX5SEZ [D5MC21] (EK model) TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
Page 2 SPECIFICATION DR-DX5SEK DR-DX5SEL/EU/EY/EZ GENERAL Power requirement AC 220 V ~ 240 V, 50 Hz/60 Hz Power consumption Power on 45 W Power off 15 W Temperature Operating 5 C to 35 C Storage -20 C to 60 C Operating position...
Page 3: Precaution
SECTION 1 PRECAUTION SAFTY PRECAUTIONS Prior to shipment from the factory, JVC products are strictly in- Consequently, when servicing these products, replace the spected to conform with the recognized product safety and elec- cathode ray tubes and other parts with only the specified trical codes of the countries in which they are to be parts.
Page 4 1.1.2 Safety Check after Servicing Examine the area surrounding the repaired location for damage (4) Leakage current test or deterioration. Observe that screws, parts and wires have been Confirm specified or lower leakage current between earth returned to original positions, Afterwards, perform the following ground/power cord plug prongs and externally exposed ac- tests and confirm the specified values in order to verify compli- cessible parts (RF terminals, antenna terminals, video and...
Page 5 Hard Disk Drive (HDD) Handling Precautions The HDD is a precision device for use in reading and writing a large amount of data on or from a disk rotating at a high speed. If it is not handled carefully, either abnormal operation may result or it may not be possible to read data. The HDD is sensitive to the following items and special care is required in safeguarding against them when handling an HDD.
Page 6: Specific Service Instructions
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS Different table of features The following table indicates main different points between models DR-DX5SEK and DR-DX5SEL/EU/EY/EZ. ITEM DR-DX5SEK DR-DX5SEL/EU/EY/EZ POWER PLUG 3PIN BROADCASTING STANDARD B/G,D/K STEREO DECODER NICAM NICAM/A2 VCR PLUS+ VIDEOPLUS+ SHOWVIEW VPS/PDC NOT USED...
Page 7 Jig RCU mode This unit uses the following two modes for receiving remote con- 2.3.1 Changing Remote Control Code trol codes. (1) Slide the TV/CABLE/SAT/DVD switch to DVD. (1) User RCU mode:Ordinary mode for use by the user. (2) Press the number key "1" of the remote control unit while (2) Jig RCU mode: Mode for use in production and servicing.
Page 8: Disassembly
SECTION 3 DISASSEMBLY Removing the major parts 3.1.1 Destination of connectors 3.1.2 How to read the procedure table This table shows the steps for disassembly of the externally fur- Two kinds of double-arrows in connection tables respectively nished parts and board assemblies. Reverse these steps when show kinds of connector/wires.
Page 9 < Note 2a > < Note 3a > • Be careful not to damage the connector and wire etc. during • When reattaching the bracket(DV MAIN), secure the screws connection and disconnection. (S13a) in the order of 1,2,3. • When connecting the flat wire to the connector, be careful with <...
Page 10 (S1a) (S1a) (S1a) [1]Top cover (S1a) (S1a) (S1a) (S1a) [10]Rear cover (S10a) (S1a) (S9a) (L10a) (S10a) (S10b) (S10a) [9]Rear jack board assembly [11]DV mechanism assembly (S12a) (L10a) (L10a) (S11a) (S11a) [12]Bracket [3]DVD unit (WR11b) (S12b) (S13a) (S11a) (S12a) (WR11a) ...
Page 11: Adjustment
SECTION 4 ADJUSTMENT Before adjustment (5) : Parts to be removed in disassembly/assembly, such as screws, washers and springs, and the points. 4.1.1 Precautions (1) Observe the specified screw tightening torque when Symbol Name & Point attaching parts. The torque should be 0.04 Nm (0.4 kgfcm) Screw unless otherwise specified.
Page 12 Disassembly/assembly of the mechanism assembly 4.2.1 Introduction The disassembly and assembly of the mechanism assembly should usually be performed in the ASSEMBLY mode.(Table 4-2-1) Note that the mechanism is in the cassette in (C-IN) mode when the mechanism assembly is taken out of the set and that the C-IN mode should be switched to the ASSEMBLY mode in this case.
Page 13 2. Setting/checking the ASSEMBLY mode DC 3 V Motor bracket assembly (Loading Motor) Wire (Brown) Marking Wire (Red) (Colored red) Rotary encoder < ASSEMBLY > [ C ] [ H ] Fig.4-2-7 (No.YD085)1-13...
Page 14 Mechanism timing chart See following table (Table 4-3-1). MODE ASSEMBLY LOADING END C-IN S. FF PLAY STOP FF/REW PARTS ROTARY ENCODER ROTARY ENCODER 33.33 166.66 193.33 226.66 273.33 306.66 MAIN CAM SUB CAM POLE BASE S/REV PLAY CTL PLATE FF/REW ON 1 MAIN BRAKE(SUP) ON 2...
Page 15 Mechanism assembly/disassembly procedure table Step/Loc Point Note Discription Part Name Fig. No. [A] Cassette housing assembly/ [B] Mechanism assembly T 4-5-1 2(S1),(L1) (L5) [1] Drum assembly 4-5-2 3(S2) [2] Motor bracket assembly 4-5-2 4(S2) [3] Middle catcher assembly 4-5-3 3(S2) [4] Reel cover assembly 4-5-3 (S2), 2(L6)
Page 16 TOP VIEW [ 2 ] [ 18 ] [ 19 ] [ 42 ] [ 1 ] [ 41 ] [ 3 ] [ 21 ] [ 9 ] [ 11 ] [ 23 ] [ 22 ] [ 25 ] [ 8 ] [ 5 ] [ 34 ]...
Page 17 Disassembly/assembly 1. [A] Cassette housing assembly/ [B] Mechanism assembly < Note 1a >: If the wires for the cassette housing motor are connected to ( S1 ) the circuit board, remove them before disassembly. ( S1 ) ( L2 ) ( L4 ) ( L5 ) ...
Page 18 3. [3] Middle catcher assembly/ [4] Reel cover assembly < Note 3a >: Once the reel cover assembly has been removed, the parts located below it tend to slip out easily: Be careful. ( S2 ) < Note 3b >: ...
Page 19 5. [9] Exit guide arm assembly/ [10] Swing arm assembly < Note 5a >: Exit guide arm assembly phase alignment. [ 9 ] Exit guide arm assembly [ 10 ] ( W1 ) This protrusion is combined to the dent of Charge arm assembly.
Page 20 7. [14] Reel disk assembly (Supply) / [15] Reel disk assembly (Take up) / [16] Prism / [17] Control plate [ 14 ] [ 15 ] ( S2 ) [ 17 ] [ 16 ] ( L12 ) ( L12 ) [ 11 ] Fig.4-5-7 8.
Page 21 9. [21] Ent. guide base assembly / [22] Worm wheel 2 / [23] Timing belt / [24] Center gear assembly < Note 9a >: How to attach the worm wheel 2 [22] . ( S2 ) [ 23 ] [ 22 ] [ 21 ] Phase alignment [ 34 ]...
Page 22 11. [29] Tension control arm assembly/ [30] Brake control arm assembly / [31] Charge arm assembly < Note 11a >: ( L16 ) How to attach the tension control arm assembly [29] / Brake control arm assembly [30] . ( W1 ) [ 30 ] ( L17 ) ...
Page 23 13. [34] Rotary encoder assembly / [35] Main cam / [36] Arm gear 1 assembly / [37] Centering arm assembly < Note 13a >: How to attach the rotary encoder assembly [34]. Mark (colored : red) [ 34 ] ( S2 ) ( S2 ) [ 35 ] ...
Page 24 14. [38] Sub cam / [39] Arm gear 2 assembly / [40] Clutch lock lever assembly < Note 14a >: How to attach the sub cam [38]. ( S2 ) Boss [ 39 ] [ 38 ] [ 38 ] ...
Page 25 List of procedures or disassembly 14(S3) [ 14 ] (W2) (S2) (S2) [ 4 ] [ 7 ] [ 15 ] [ 10 ] (S2) [ 16 ] (S2) (P3) [ 8 ] (W1) [ 6 ] 6(S2) 9(S2) (S2) [ 12 ] 7(S2) 8(S2)
Page 26 Mechanism phase check/adjustment See Fig 4-7-1. [ 36 ] [ 22 ] Worm wheel 2 Arm gear 1 assembly See Fig. 4-5-9a. See Fig. 4-5-13b. [ 34 ] Rotary encoder assembly See Figs. 4-5-9a and 4-5-13a. [ 39 ] Arm gear 2 assembly See Fig.
Page 27 Mechanism disassembly/assembly sheet [ A ] [ 1 ] [ 2 ] [ 3 ] [ 4 ] [ 7 ] [ 11 ] Fig. No. Type Attachin 4-5-1 4-5-2 4-5-3 4-5-4 4-5-6 Ref. Fig. [A] Cassette housing assembly [1] Drum assembly [4] Reel cover assembly ( S2 ) ( S1 )
Page 28 [ 16 ] [ 18 ] [ 19 ] [ 20 ] [ 21 ] [ 32 ] [ 33 ] [ 34 ] [ 38 ] [ 42 ] 4-5-7 4-5-8 4-5-9 4-5-12 4-5-13 4-5-14 4-5-15 [7] Band arm plate sub [ 11 ] Sub deck assembly [ 12 ] Main [ 13 ] Main...
Page 29 Positioning the tension pole See Fig.4-9-1. [ B ] section [ C ] Tension arm sub assembly [ D ] section screw [A] Fig.4-9-1 4.9.1 Adjustment Method Note: • Remove the cassette housing assembly in advance. (1) Set the mechanism mode to the PLAY mode. (See 4.2.2 Mechanism modes) (2) Loosen a screw [A].
Page 30 4.10 Compatibility and error rate adjustment 4.10.1 Preparation 4.10.2.2 Procedure Before disassembly and adjustment, back up the data stored in (1) Take out the 6 screws, then remove the top cover. (See the EEPROM (IC1504 on the DV MAIN board) using the Service SECTION 3 DISASSEMBLY) Support System Software (SSS software).
Page 31 4.10.3 Linearity adjustment 4.10.4 PB switching point adjustment The following flowchart shows the linearity check/adjustment The following flowchart shows the PB switching point adjustment procedure. procedure. Connect an oscilloscope (CH: + Slope) and, while Load the alignment tape. triggering it with the HID signal, observe the ENV OUT The “PB Switching Point”...
Page 32 4.11 Electrical adjustment (DV SECTION) 4.11.1 Precautions 4.11.4 Setup (1) The DV section of this model is based on a special adjust- 1. Setup for computer adjustment ment method using a PC. However, ordinary adjustment is - Setup by extending the jig connector - required only when the part listed below has been re- placed.
Page 33 4.12 Electrical adjustment (DVD SECTION) Note: 4.12.1.2 EE Y level The following adjustment procedures are not only necessary Signal (A1) • Ext. input after replacement of consumable mechanical parts or board (A2) • Color (colour) bar signal assemblies, but are also provided as references to be referred Mode •...
Page 34 4.12.1.5 EE COMPONENT PB/CB level Signal • Internal colour bar Mode • EE Equipment • Oscilloscope Specified Measuring point (D) • COMPONENT PB/CB terminal value (G) EVR mode (F1) • Jig code “43-95” EVR address (F2) • "ADJUST06 : **" Fig.4-12-3 EE composite burst level (F3) •...
Page 35: Troubleshooting
SECTION 5 TROUBLESHOOTING Manually removing the cassette tape If a loaded cassette tape cannot be ejected due to a failure in the (3) If the tape is slack, wind it up by turning the shaft on the top- electrical circuitry, take the cassette tape out using the following side of the capstan motor in the direction of the arrow using procedure.
Page 36 Manually removing the disk(DVD/CD) 00:00 Normal display If you cannot remove the disk which is loaded because of any electrical or mechanical failures, manually remove it by taking the following steps. 5.2.1 Method 1 E:BB:CC (1) AC Plug is pulled out at once and inserted again. EMG content display<2>...
Page 37 Notes: : Key code (JVC code) • The sensor information in the OSD display contents is : EMG content display < 1 > : EMG content display < 2 > partially different from the mechanism sensor informa- : DV deck operation mode (See EMG detail information tion in EMG detail information <...
Page 38 5.3.5 EMG detail information < 1 > 5.3.6 EMG detail information < 2 > The status (electrical operation mode) of the unit and the status FF : DV mechanism sensor information (mechanism operation mode/mechanism position) of the mech- Display DV mechanism sensor information Display DV mechanism sensor information anism in the latest EMG can be confirmed based on the figure in...
Page 39 Display function of DVD section 5.4.1 Displaying SYSTEM INFO SYSTEM INFO contains information on firmware version of the unit and the mechanism drive, and an initialize execution menu. (1) Set the unit to the Jig RCU mode. (2) Press DV/HDD/DVD SELECT button on the unit repeatedly so that the HDD lamp lights up on the unit. (3) Transmit "43-8b"...
Page 40 5.4.2 Updating the firmware of the unit • Firmware update disc supports CD-R media. • When firmware update is necessary, information is available from the homepage of DIGITAL VIDEO STORAGE CATEGORY, CS group. 5.4.2.1 Creating an update disc Please check the details of the update disc creation method by JS-NET. (1) Down load the update file from JS-NET.
Page 41 5.4.4 Exchanging the fitting As the fitting that comes with the service drive unit cannot be used, make sure to attach a service fitting when the drive unit is ex- changed. The fitting that is removed from the old drive unit can be attached to the new drive unit. The fitting can be removed by pulling upwards while opening out the lower part of the fitting outwards.
Page 42 5.4.7 Booting the system using the CD The firmware of this device is stored in the Hard Disk Drive (HDD). If the firmware is collapsed for its contents, [LOADING] is repeatedly displayed on the FDP display of the main unit and the system becomes inoperative. The system operation cannot be resumed even if the AC plug is disconnected from the AC power source.
Page 43 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DIGITAL VIDEO STORAGE CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan No.YD085 Printed in Japan...

This manual is also suitable for:

Dr-dx5sel Dr-dx5seu Dr-dx5sey Dr-dx5sez

JVC DR-DX5SEK Service Manual

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TABLE OF CONTENTS

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Summary of Contents for JVC DR-DX5SEK

Page 1: Table Of Contents

Page 3: Precaution

Page 6: Specific Service Instructions

Page 8: Disassembly

Page 11: Adjustment

Page 35: Troubleshooting

This manual is also suitable for: