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Hitachi VT-FX440E Service Manual

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SERVICE MANUAL
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
VIDEO CASSETTE DECK
April
2004
VT-FX440E(UK)
VT-FX540E(UK)
VT-MX410E(UK)
DO NOT RESELL OR DIVERT IMPROPERLY.
DO NOT RESELL OR DIVERT IMPROPERLY.
Digital Media Division
SM0410
Table of Contents
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Summary of Contents for Hitachi VT-FX440E

  • Page 1 SM0410 VT-FX440E(UK) VT-FX540E(UK) SERVICE MANUAL VT-MX410E(UK) DO NOT RESELL OR DIVERT IMPROPERLY. DO NOT RESELL OR DIVERT IMPROPERLY. SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT VIDEO CASSETTE DECK April 2004 Digital Media Division...

  • Page 2: Table Of Contents

    5 ADJUSTMENT ......5-1 ( VT-FX440E(UK) ) ......C-4 5-1 PREPARATION FOR SERVICING.

  • Page 3: Repair

    CAUTION FOR SAFETY IN PERFORMING REPAIR 1-1 IMPORTANT SAFETY PRECAUTIONS 1-1-1 Product Safety Notice J. Be careful that foreign objects (screws, solder droplets, etc.) do not remain inside the set. Some electrical and mechanical parts have special K. Crimp type wire connector safety-related characteristics which are often not evi- The power transformer uses crimp type connec- dent from visual inspection, nor can the protection...

  • Page 4: Safety Check After Servicing

    1-1-3 Safety Check after Servicing Examine the area surrounding the repaired location Chassis or Secondary Conductor for damage or deterioration. Observe that screws, parts, and wires have been returned to their original Primary Circuit Terminals positions. Afterwards, do the following tests and con- firm the specified values to verify compliance with safety standards.

  • Page 5: Standard Notes For Servicing

    1-2 STANDARD NOTES FOR SERVICING 1-2-1 Circuit Board Indications 1-2-3 Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is indi- When soldering, be sure to use the Pb free solder. cated as shown. 1-2-4 Instructions for Handling Top View Bottom View Semi-conductors...

  • Page 6: General Information

    GENERAL INFORMATION 2-1 SPECIFICATIONS [ VT-FX440E(UK) ] General Specifications Electrical Specifications Television system: PAL I Video output level : 1Vp-p TV standard Video output impedance : 75Ω unbalanced Video heads Six comprising of Four-video Audio output level : -6dBv and Two-audio heads Video input level : 0.5 ~2.0Vp-p...
  • Page 7 Overview VT-FX540E(UK) is the model that deleted “VIDEO Plus+” function from VT-FX440E(UK). With this, the [VIDEO Plus+] button on remote controller is also deleted. [ VT-FX540E(UK) ] Specifications Video section TV system PAL I Video head Rotating 4 heads Rotating 2 head helical scan brightness signal FM method...

  • Page 8: Comparison Of Models

    Comb Filter Comb Filter YNR (Luminance Noise Reduction) Circuit A/V In/Out Terminal 2 Scart 2 Scart 2 Scart (Scart) Audio Out Terminal (Us O [VT-FX440E(UK)] O [VT-FX340E(UK)] Pin Rear) --- [VT-MX410E(UK)] --- [VT-MX310E(UK)] RF In/Out PAL-I PAL-I PAL-I VT-RM440E [VT-FX440E(UK)]...

  • Page 9: Comparison Of Main Control Ics

    2-2-2 Comparison of Main Control ICs : Same as on left ITEM VT-FX440E(UK)/MX410E(UK) VT-FX340E(UK)/MX310E(UK) MSP3407G-QG-B8 / IF SIGNAL PROCESS MSP3407G-QG-B8 (V3) MSP3417G-QG-B8-V3 (V3) ERROR VOLTAGE DET LTV-817(B,C)-F (IC001) CD4052BCSJX / BU4052BCF-E2 / SWITCHING TC4052BF(EL) (IC151) VIDEO/AUDIO SIGNAL PROCESS/ LA71750EM-MPB-E (IC301)

  • Page 10: Function Indicator Symbols

    2-3 FUNCTION INDICATOR SYMBOLS Note: The following symbols will appear on the indicator panel to indicate the current mode or operation of the VCR. On-screen modes will also be momentarily displayed on the tv screen when you press the operation buttons.
  • Page 11 TV screen Note: OSD for mechanical error will be displayed for 5 sec. after the mechanical error occurs. When reel and capstan mechanism is not functioning When the drum is not working properly correctly Fig. 1 Fig. 4 When tape loading mechanism is not functioning cor- P-ON Power safety detection rectly Fig.

  • Page 12: Operating Controls And Functions

    2-4 OPERATING CONTROLS AND FUNCTIONS [ VT-FX440E(UK) ] Front Panel 1. Cassette compartment (F.FWD) button (PLAY) button (REW) button ( STOP/EJECT) button (REC/OTR) button 7. Indicator (See below) PROGRAM 8. PROGRAM ( / ) [TRACKING] TRACKING buttons (OPERATE) button Indicator 10.
  • Page 13 Remote Controller AUDIO OPERATE SELECT EJECT PROGRAM VIDEO Plus+ DAILY/WEEKLY SLOW MENU DISPLAY COUNTER RESET MEMORY PLAY F.FWD REC/OTR SPEED PAUSE/STILL QUICK-FIND SEARCH MODE 1. OPERATE button 2. NUMBER buttons 3. VIDEO Plus+ button 4. MENU button 5. DISPLAY button 6.
  • Page 14 [ VT-MX410E(UK) ] Front Panel 1. Cassette compartment (F.FWD) button (PLAY) button (REW) button ( STOP/EJECT) button ( REC/OTR) button PROGRAM 7. Indicator (See below) 8. PROGRAM ( / ) [TRACKING] TRACKING buttons (OPERATE) button Indicator 10. PWR. (Power) indicator PWR.
  • Page 15 Remote Controller OPERATE EJECT PROGRAM VIDEO Plus+ DAILY/WEEKLY COUNTER MENU DISPLAY RESET MEMORY PLAY F.FWD SPEED PAUSE/STILL REC/OTR 1. OPERATE button 2. NUMBER buttons 3. VIDEO Plus+ button 4. MENU button 5. DISPLAY button 6. REW/ button 7. STOP/ button 8.
  • Page 16 [ VT-FX540E(UK) ] Front Panel 1. Cassette compartment (F.FWD) button (PLAY) button (REW) button ( STOP/EJECT) button (REC/OTR) button 7. Indicator (See below) PROGRAM 8. PROGRAM ( / ) [TRACKING] TRACKING buttons (OPERATE) button Indicator 10. PWR. (Power) indicator 11. TAPE IN indicator 12.
  • Page 17 Remote Controller AUDIO OPERATE SELECT EJECT PROGRAM SLOW MENU DISPLAY COUNTER RESET MEMORY PLAY F.FWD SPEED PAUSE/STILL REC/OTR QUICK-FIND SEARCH MODE 1. OPERATE button 2. NUMBER buttons 3. MENU button 4. DISPLAY button 5. REW/ button 6. STOP/ button 7. REC/OTR button 8.

  • Page 18: Maintenance And Inspection

    MAINTENANCE AND INSPECTION 3-1 TROUBLESHOOTING This section decribes how to service for specific malfunctions or poor parts. Detect malfunction or poor parts and service as follows: Video problem 1 (No recording Video) RF INPUT LINE INPUT (AV1) Check Video signal at pin 50 of IC301. Check Video signal at pin 48 of IC301.
  • Page 19 Video problem 2 (No playback Video) Check signal at pin 93 and pin 96 (or pin 87, pin 90) of IC301. No good Check Video signal at pin 50 of IC501. Cleaning the Video Head. (See page 3-7.) Or check Cylinder Assembly and service it if detective.
  • Page 20 Audio problem 1 (No recording Normal Audio) (with VT-MX410E(UK)) (with VT-MX410E(UK)) RF-INPUT LINE INPUT (AV1) (with VT-FX440E(UK)) (with VT-FX440/540E(UK)) Check Audio signal at pin 6 or 52 of IC451. Change for Audio-mode(MONO) by AUDIO- SELECT KEY of Remote Controller. No good...
  • Page 21 Audio problem 3 (No recording Hi-Fi Audio (with VT-FX440E(UK), VT-FX540E(UK)) RF-INPUT LINE INPUT (AV1) good good Check Audio signal at Check A/V cable, JK101 Check TU701 and Check SIF signal at pin pin 6 and pin 52 of IC451. and line between JK101 service it if detective.
  • Page 22 2] Remove the following components and check for Power problem defects: snubber diode (D005), switching FET (Q001), source resistor (R006), control transistor (Q002). It is highly recommended that a variable isolation Repair method #2 transformer which can monitor current be used. (Alternatively a variable AC source which moni- Check the fuse 1.6A (F001), primary rectifying diodes tors current will do).

  • Page 23: Standard Maintenance

    3-2 STANDARD MAINTENANCE 3-2-1 Service Schedule of Components This maintenance chart shows the standard for the replacement and cleaning time of each part. Parts may be replaced depending on environment and purpose for use, use the chart for reference. H: Hours : Cleaning I: Replace Deck...

  • Page 24: Cleaning

    3-2-2 Cleaning Cleaning of ACE Head Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois 1.Remove the top cabinet. cloth. 2.Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the ACE Head.

  • Page 25: Disassembly

    DISASSEMBLY 4-1 CABINET DISASSEMBLY INSTRUCTIONS 4-1-1 Disassembly Flowchart (1): Identification (location) No. of parts in the figures (2): Name of the part This flowchart indicates the disassembly steps to gain (3): Figure Number for reference access to item(s) to be serviced. When reassem- (4): Identification of parts to be removed, unhooked, bling, follow the steps in reverse order.
  • Page 26 [ VT-MX410E(UK) ] (L-2) (L-2) (S-2) (S-3) (S-2) (S-2) (S-4) [3] VCR Chassis (S-3) Unit (S-2) [2] Front Assembly (L-1) Fig. 4-1-2 [ VT-FX440/540E(UK) ] (S-2) (S-3) (S-2) (S-2) (S-3) (S-4) [3] VCR Chassis (S-3) Unit (S-2) Fig. 4-1-3B [4] Jack PCB (S-5) Desolder Fig.
  • Page 27 [8] Cylinder Shield Cylinder Assembly FE Head (S-7) SW507 ACE Head LD-SW Assembly [6] Main PCB VT-FX440/540E(UK) [5] Deck [9] Jack Board Assembly [5] Deck Assembly (L-3) Cam Gear Hole Shaft [7] AFV PCB VT-FX440/540E(UK) Hole LD-SW [6] Main PCB (S-6) [6] Main PCB Fig.

  • Page 28: Disassembly/Assembly Procedures Of Deck Mechanism

    4-2 DISASSEMBLY/ASSEMBLY PROCEDURES OF DECK MECHANISM Before following the procedures described below, be sure to remove the deck assembly from the cabinet. (Refer to CABINET DISASSEMBLY INSTRUCTIONS on page 4-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 29 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [33] [26] BT Arm DM2H, DM14H *(P-5) (+)Refer to Loading Arm (SP) DM2H, DM14H Alignment Sec. [34] [26] Assembly Page 4-13 (+)Refer to Loading Arm (TU) [35] [34] DM2H, DM14H Alignment Sec.
  • Page 30 Top View [44] [45] [49] [46] [14] [13] [11] [15] [38] [10] [12] [37] [36] [43] [32] [41] [31] [40] [42] Fig. DM1H Bottom View [19] [35] [34] [25] [23] [24] [26] [27] [22] [28] [20] [33] Fig. DM2H...
  • Page 31 (S-1) (S-1) (L-1) (L-3) (L-2) (S-1A) (P-1) Installation of [3] and [6] First, insert [6] diagonally in [3] as shown below. Then, install [6] in [3] while pushing (L-1) in a direction of arrow. After installing [6] in [3], confirm that pin A of [3] enters hole A of [6] properly.
  • Page 32 [11] (S-4A) (L-4) [49] (P-3) [13] [50] Removal of [11] [12] (L-12) 1) Remove screw (S-4A). 2) Unhook spring (P-2). [10] Release (L-4) while (P-2) holding [12] with a finger. Loosen a finger holding [12] and remove [11]. (S-2) Pin of [12] Pin of [10] Groove of [27] When reassembling [10] and...
  • Page 33 Installation of [13] and [12] (S-5) [14] (S-6) [13] [15] Hook spring (P-3) up to [12] and [13], then install then to (P-3) the specified position so that [12] will be floated slightly while holding [12] and [13]. (Refer to Fig. A.) [12] Fig.
  • Page 34 (C-1) turn [22] (S-8) [20] (L-6) [21] [19] Cap Belt Pin on [22] Installation position of Cap Belt [20] Cap Belt [27] Position of pin on [22] Fig. DM12H [19] View for A Fig. DM11H 4-10...
  • Page 35 (P-5) [26] (C-3) [31] Refer to the Alignment Section, Page 4-13. (S-9) (L-8) [35] [32] (L-9) [34] [23] (L-7) [24] (C-5) (C-4) (C-2) [28] [25] [29] [30] [27] Fig. DM14H [31] [38] Fig. DM13H-1 [36] [43] Installation of [26] (P-6) turn [39] Position of Mode Lever when installed...
  • Page 36 [45] [44] [46] (L-11) Slide Plate (S-11) Fig. DM16H [47] [48] Slide Fig. DM17H 4-12...

  • Page 37: Alignment Procedures Of Mechanism

    4-3 ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape Loading Arm (SP) and (TU) Assembly loading/unloading mechanism. Since information about the state of the mechanism is provided to the Install Loading Arm (SP) and (TU) Assembly so that System Control Circuit only through the Mode Switch, their triangle marks point to each other as shown in...

  • Page 38: Adjustment

    ADJUSTMENT 5-1 PREPARATION FOR SERVICING 5-1-1 How to Enter the Service Mode About Optical Sensors Caution: An optical sensor system is used for the Tape Start and End Sensors on this equipment. Carefully read and follow the instructions below. Otherwise the unit may operate erratically.

  • Page 39: Fixture And Tape For Adjustment

    5-2 FIXTURE AND TAPE FOR ADJUSTMENT 1. Alignment Tape (MH-2) 3. Flat Screwdriver No. 7099052 (Purchase Locally) 2. Guide Roller Adj. Screwdriver No. 7099028 5-2-1 How To Use The Fixtures And Tape Item No. Name Part No. Adjustment I Head Switching Position Alignment Tape (MH-2) 7099052 I Tape Interchangeability Alignment...

  • Page 40: Electrical Adjustment Instructions

    5-3 ELECTRICAL ADJUSTMENT INSTRUCTIONS VT-FX440E(UK) / VT-MX410E(UK) General Note: "PCB" is an abbreviation for EXT. Syncronise Trigger Point "Circuit Board Assembly." NOTE: 1.Electrical adjustments are required after replacing circuit components and certain mechanical parts. 1.0H 0.5H V-Sync It is important to do these adjustments only after 6.5H±1H (412.7µs±63.5µs)

  • Page 41: Mechanical Alignment Procedures

    5-4 MECHANICAL ALIGNMENT PROCEDURES Explanation of alignment for the tape to correctly run B. Method to place the Cassette Holder in the tape- starts on the next page. Refer to the information below loaded position without a cassette tape on this page if a tape gets stuck, for example, in the 1.

  • Page 42: Tape Interchangeability Alignment

    5-4-2 Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the center position every time a tape is loaded or unloaded. (Refer to page 5-7, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (MH-2) Guide Roller Adj.

  • Page 43: 1-A. Preliminary/Final Checking And Alignment Of Tape Path

    1-A. Preliminary/Final Checking and 4. If creasing or snaking is apparent, adjust the Tilt Alignment of Tape Path Adj. Screw of the ACE Head. (Fig. 5-4-6) Purpose: To make sure that the tape path is well stabilized. Azimuth Adj. Screw Symptom of Misalignment: If the tape path is unstable, the tape will be damaged.

  • Page 44: 1-C. Checking/Adjustment Of Envelope Waveform

    5. To shift the CTL waveform, press CH UP or CH 5. When Guide Rollers [2] and [3] (Refer to Fig. 5-4- DOWN button on the remote control unit. Then 3) are aligned properly, there is no envelope drop make sure that the maximum output position of PB either at the beginning or end of track as shown in ±...

  • Page 45: 1-D. Azimuth Alignment Of Audio/Control/Erase Head

    1-D. Azimuth Alignment of Audio/Control/ 2. When the tape has been curled up or bent, turn Erase Head the alignment screw to adjust the height of REV Post. (Refer to Fig. 5-4-11 and 5-4-13.) Purpose: To correct the Azimuth alignment so that the Audio/ Control/Erase Head meets tape tracks properly.

  • Page 46: Explodeds Views And Parts List

    EXPLODED VIEW AND PARTS LIST 6-1 EXPLODED VIEWS 6-1-1 Cabinet Section Note: Components without any numbers in exploded views had not been assigned as service parts 2L011 as of the date of issue of this manual. 2L011 2B18 2L011 2L011 JACK PCB [COMPONENT REPLACEMENT]...

  • Page 47: Deck Mechanism View 1 Section

    6-1-2 Deck Mechanism View 1 Section Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 M2.6 x 5 L1191 B553 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) L1322 B501 L1450 L1450 L1466 B121 B126 B492...

  • Page 48: Deck Mechanism View 2 Section

    6-1-3 Deck Mechanism View 2 Section Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B587 B521 B487 SANKOUL FG84M (Yellow grease) B416 B591 B590 B522 L1406 B148 B573 B499 B508 B574 B592 B585 B518 B558 B564 B557 B414 B572...

  • Page 49: Deck Mechanism View 3 Section

    6-1-4 Deck Mechanism View 3 Section Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 L1321 B347 L1321 B355 B354 B483 M2 x 6 B425 B482 B562 B300 B563 B313 B529 B360 B359 B361 B555 B303 Some Ref. Numbers are not in sequence. B514...
  • Page 50 THE UPDATED PARTS LISTS FOR THESE MODEL ARE AVAILABLE ON ESTA...

  • Page 51: Appendix

    APPENDIX 7-1 SYSTEM CONTROL TIMING CHARTS Mode SW : LD-SW LD-SW Position detection A/D Input voltage Limit Symbol (Calculated voltage) 3.76V~4.50V (4.12V) 4.51V~5.00V (5.00V) 0.00V~0.25V (0.00V) 1.06V~1.50V (1.21V) 0.66V~1.05V (0.91V) 1.99V~2.60V (2.17V) 1.51V~1.98V (1.80V) 3.20V~3.75V (3.40V) 0.26V~0.65V (0.44V) 4.51V~5.00V (5.00V) 2.61V~3.19V (2.97V) Note:...
  • Page 52 [ VT-FX440/540E(UK) ] Still/Slow Control Frame Advance Timing Chart 1) SP Mode 18 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value PB CTL Reversal Limit Value...
  • Page 53 2) LP Mode 18 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value PB CTL Reversal Limit Value 20ms 78 C-F/R 16 H-A-SW 15 ROTA...
  • Page 54 1. EJECT (POWER OFF) -> CASSETTE IN (POWER ON) -> STOP(B) -> STOP(A) -> PLAY -> RS -> FS -> PLAY -> STILL -> PLAY -> STOP(A) PIN NO. LD-SW CL/SS 0.3s 0.3s LM-FWD "M" 0.2s /REV 0.2s 0.2s 0.2s 0.2s "Z"...
  • Page 55 2. STOP(A) -> FF -> STOP(A) -> REW -> STOP(A) -> REC -> PAUSE -> PAUSE or REC -> STOP(A) -> EJECT PIN NO. LD-SW CL/SS LM-FWD "M" /REV 0.2s 0.2s 0.2s 0.2s 0.2s 0.2s "Z" C-DRIVE 20ms 0.1s 20ms 20ms 0.4s 0.4s...
  • Page 56 1. EJECT (POWER OFF) -> CASSETTE IN (POWER ON) -> STOP(B) -> STOP(A) -> PLAY -> RS -> FS -> PLAY -> STILL -> PLAY -> STOP(A) PIN NO. LD-SW CL/SS 0.3s 0.3s LM-FWD "M" /REV 0.2s 0.2s 0.2s 0.2s 0.2s "Z"...
  • Page 57 2. STOP(A) -> FF -> STOP(A) -> REW -> STOP(A) -> REC -> PAUSE -> PAUSE or REC -> STOP(A) -> EJECT PIN NO. LD-SW CL/SS LM-FWD "M" /REV 0.2s 0.2s 0.2s 0.2s 0.2s 0.2s "Z" C-DRIVE 20ms 0.1s 20ms 20ms 0.4s 0.4s...

  • Page 58: Ic Pin Function Descriptions

    Signal Active Mark Function Name Level Model Mark Head Amp H-A-COMP Comparator VT-FX440E(UK) Signal VT-MX410E(UK) Not Used VT-FX540E(UK) Video Head OUT RF-SW Switching Pulse IC501( SERVO / SYSTEM CONTROL IC ) HiFi Audio Head OUT Hi-Fi-H-SW “H” ≥ 4.5V, “L” ≤ 1.0V...
  • Page 59 Signal Active Signal Active Mark Function Mark Function Name Level Name Level Clock Select CLKSEL IIC BUS- C BUS Control (GND) Data OSCin Clock Input for Not Used letter size Clock Output for OUT OSCout Not Used letter size Not Used Not Used Capstan Motor OUT C-CONT...
  • Page 60 Signal Active Mark Function Name Level A/D Converter Power Input/ AVcc Standard Voltage Input IF AGC Comparator Signal Notes: Abbreviation for Active Level: PWM -----Pulse Wide Modulation A/D--------Analog - Digital Converter 7-10...

  • Page 61: Lead Identifications

    7-3 LEAD IDENTIFICATIONS BU4052BCF-E2 2SC2785(F,H,J) 2SA1015-GR(TPE2) BA1F4M-T CD4052BCSJX 2SA1020(Y) BN1F4M-T TC4052BF(EL) 2SC1815-BL(TPE2) BN1L4M-T 2SC1815-GR(TPE2) KRA103M 2SC1815-Y(TPE2) KRA104M 2SC2120-Y(TPE2) KRC103M 2SC3266-Y(TPE2) KTA1266(GR) KTA1267(GR,Y) KTA1281(Y) KTC3203(Y) KTC3199(BL,GR,Y) KTC3205(Y) PT6958-FN-TP 2SK3566 E C B E C B LTV-817B-F BR24L02F-WE2 LTV-817C-F CAT24WC02JI LC74793JM-TRM G D S LA71750EM-MPB-E QSZAA0RMB194 FA1F4M-T1B...
  • Page 62 Block / Schematic / PCB Diagrams VT-MX410E(UK) VT-FX440E(UK)

  • Page 63: Sschematic, Wiring Diagrams

    SCHEMATIC, WIRING DIAGRAMS S-1 Schematic Diagrams / PCB’s and Test Points Standard Notes Notes: WARNING 1. Do not use the part number shown on these draw- ings for ordering. The correct part number is Many electrical and mechanical parts in this chassis shown in the parts list, and may be slightly different have special characteristics.
  • Page 64 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOW- ING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.

  • Page 65: Wiring Diagrams

    S-2 Wiring Diagrams AC CORD ANT-IN ANT-OUT VT-FX440E(UK) SENSOR PCB CN701 1 NU (DECK ASSEMBLY) 3 GND SENSOR PCB AFV PCB TU-AUDIO(R) TU-AUDIO(L) AC HEAD ASSEMBLY CN504 P-ON+5V CTL(-) P-ON+5V CONTROL HEAD CTL(+) IIC-BUS SCL A-PB/REC IIC-BUS SDA AUDIO HEAD...
  • Page 66 MAIN BOARD (SYSCON/TIMER/SERVO BLOCK) VT-FX440E(UK), VT-FX540E(UK) VT-FX440E(UK), VT-FX540E(UK) VT-FX440E(UK), VT-FX540E(UK) VT-FX440E(UK), VT-FX540E(UK) MAIN BOARD (SYSCON/TIMER/SERVO BLOCK)
  • Page 67 FP562 MATRIX CHART MAIN BOARD (SYSCON/TIMER/SERVO BLOCK) SENSOR BOARD SENSOR BOARD VT-FX540E(UK) TUNER BLOCK VT-FX540E VT-FX540E(UK) VT-FX540E(UK) MAIN ( ) & SENSOR BOARDS SYSCON/TIMER/SERVO/TUNER BLOCKS...
  • Page 68 MAIN BOARD (VIDEO/AUDIO BLOCK) MAIN BOARD (VIDEO/AUDIO BLOCK)
  • Page 69 JACK BOARD MAIN BOARD (JACK BLOCK) SUB-JACK BOARD MAIN (JACK BLOCK), JACK & SUB-JACK BOARDS...
  • Page 70 NOTE: CAUTION! The voltage for parts in hot circuit is measured Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. using hot GND as a common terminal. If Main Fuse (F001) is blown, check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 71 MAIN BOARD (Hi-Fi BLOCK) MAIN BOARD (Hi-Fi BLOCK)
  • Page 72 MAIN BOARD (VPS BLOCK) MAIN BOARD (VPS BLOCK) S-10...
  • Page 73 AFV BOARD AFV BOARD S-11...
  • Page 74 S-11 Waveforms TP301 UPPER TP502 LOWER C-PB 10mV x 10 RF-SW 0.5V x 10 UPPER TP502 LOWER V-OUT 0.1V x 10 RF-SW 0.5V x 10 50µs V-OUT E-E 10µs 50mV x 10 S-12...

  • Page 75: Ccircuit Board Diagrams

    CIRCUIT BOARD DIAGRAMS C-1 Main PCB, Sensor PCB Top View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.

  • Page 76: Main Pcb Bottom View

    C-2 Main PCB Bottom View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.

  • Page 77: Jack Pcb Top / Bottom View

    C-3 Jack PCB Top View / Bottom View Jack PCB Top View Jack PCB Bottom View...

  • Page 78: Afv Pcb Top View / Bottom View, Sub Jack Pcb Top View / Bottom View ( Vt-Fx440E(Uk

    C-4 AFV PCB Top View / Bottom View, Sub Jack PCB Top View / Bottom View ( VT-FX440E(UK) ) AFV PCB Top View AFV PCB Bottom View Sub Jack PCB Top View Sub Jack PCB Bottom View...
  • Page 79 RESET RESET (DECK ASSEMBLY) e 12 AC HEAD ASSEMBLY TU701(TUNER UNIT) CN504 CL504 CONTROL 2 CTL(+) HEAD 1 CTL(-) IC503 (MEMORY) VT-FX440E(UK) AUDIO-SW-1 AL+5V AUDIO-SW-1 29 AUDIO-SW-2 AUDIO-SW-2 30 VR501 PG-DELAY IIC-BUS SDA SW-POINT AUDIO BLOCK AL+5V REC-SAF-SW IIC-BUS SCL...
  • Page 80 PROCESS VIDEO (L)-1 TU701(TUNER UNIT) HEAD V(L)-2 VIDEO IN V-COM VIDEO (L)-2 TUNER BYPASS VIDEO OUT V(R)-2 HEAD VIDEO (R)-2 HEAD VT-FX440E(UK) CHARA. INS. HEAD CCD 1H DELAY PB/EE REC FM MUTE TP502 RF-SW TUNER CHROMINANCE SIGNAL D-REC-H D-REC-H 80...
  • Page 81 PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC TU701(TUNER UNIT) JACK PCB MAIN PCB AUDIO IN JK101 AUDIO OUT A-IN1(R) CN101 CN151 A-IN1(L) A-IN1 A-OUT1(R) A-OUT1 A-OUT1(L) IC151 (SWITCHING) JK102 PB/EE A-IN2(R) CN102 CN152 Q151 PB/EE A-IN2(L) A-IN2 PB/EE BUFFER A-OUT2 A-OUT2(R) A-OUT2(L) TUNER...
  • Page 82 PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN PCB N-A-PB TO Hi-Fi N-A-REC AUDIO BLOCK IC301 (AUDIO SIGNAL PROCESS) TUNER PB-ON LINE MUTE (DECK ASSEMBLY) SP/LP-ON ACE HEAD ASSEMBLY REC-ON Q401 CN504 AUDIO 3 A-PB/REC Q402 HEAD 4 A-COM BIAS AUDIO 6 AE-H ERASE...
  • Page 83 PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC JACK PCB CN509 JK751 MAIN PCB A-OUT1(L) A-OUT JK101 CN101 CN151 A-OUT1(R) A-IN1(R) A-IN1(R) A-IN1(L) A-IN1(L) A-OUT A-OUT1(R) A-OUT1(R) 5 A-OUT1(L) A-OUT1(L) 11 SUB JACK PCB JK102 CN102 CN152 A-IN2(R) A-IN2(R) A-IN2(L) A-IN2(L) A-OUT2(R) 6 A-OUT2(R) AFV PCB...
  • Page 84 GND as a common terminal. circuit are not defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power supply circuit to fail. MAIN PCB HOT CIRCUIT. BE CAREFUL. VT-FX440E(UK) VT-MX410E(UK) T001 F001 L003 D001 - D004 T1.6A L 250V...
  • Page 85 Block / Schematic / PCB Diagrams VT-FX540E(UK)
  • Page 86 S-2 Wiring Diagrams - VT-FX540E(UK) AC CORD ANT-IN ANT-OUT SENSOR CBA CN701 1 NU (DECK ASSEMBLY) 3 GND SENSOR CBA AFV CBA TU-AUDIO(R) TU-AUDIO(L) AC HEAD ASSEMBLY CN504 P-ON+5V CTL(-) P-ON+5V CONTROL HEAD CTL(+) IIC-BUS SCL A-PB/REC IIC-BUS SDA AUDIO HEAD A-COM AE-H/FE-H AUDIO...
  • Page 87 S-3 Main 1/7 Schematic Diagram - VT-FX540E(UK)
  • Page 88 S-4 Main 2/7, Sensor Schematic Diagram - VT-FX540E(UK) FP562 MATRIX CHART...
  • Page 89 S-5 Main 3/7 Schematic Diagram - VT-FX540E(UK)
  • Page 90 S-6 Main 4/7, Jack, Sub Jack Schematic Diagram - VT-FX540E(UK)
  • Page 91 S-7 Main 5/7 Schematic Diagram - VT-FX540E(UK) CAUTION ! NOTE : CAUTION ! The voltage for parts in hot circuit is measured using Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. For continued protection against fire hazard, replace only with the same type fuse.
  • Page 92 S-8 Main 6/7 Schematic Diagram - VT-FX540E(UK)
  • Page 93 S-9 Main 7/7 Schematic Diagram - VT-FX540E(UK) S-10...
  • Page 94 S-10 AFV Schematic Diagram - VT-FX540E(UK) S-11...
  • Page 95 S-11 Waveforms - VT-FX540E(UK) TP301 UPPER TP502 LOWER C-PB 10mV x 10 RF-SW 0.5V x 10 UPPER TP502 LOWER V-OUT 0.1V x 10 RF-SW 0.5V x 10 50µs V-OUT E-E 10µs 50mV x 10 S-12...
  • Page 96 CIRCUIT BOARD DIAGRAMS - VT-FX540E(UK) C-1 Main CBA, Sensor CBA Top View CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
  • Page 97 C-2 Main CBA Bottom View - VT-FX540E(UK) CAUTION ! BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! For continued protection against fire hazard, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. replace only with the same type fuse.
  • Page 98 C-3 Jack CBA Top View / Bottom View - VT-FX540E(UK) Jack CBA Top View Jack CBA Bottom View...
  • Page 99 C-4 AFV CBA Top View / Bottom View, Sub Jack CBA Top View / Bottom View - VT-FX540E(UK) AFV CBA Top View AFV CBA Bottom View Sub Jack CBA Top View Sub Jack CBA Bottom View...
  • Page 100 AL+5V IC501 TP507 Q504 MAIN CBA SW507 (SERVO/SYSTEM CONTROL) SENS-INH ST-S RS501 LD-SW REMOTE D502 REMOCON-IN KEY- 1 SENSOR SWITCH S-LED SENSOR CBA AL+5V LD-SW KEY- 2 SWITCH CTL(+) FP562 CTL(-) IC561 Q505 LED DISPLAY ST-S (LED DISPLAY) END-S END-S DRV-DATA DRV-DATA T-REEL...
  • Page 101 REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC IC640 (VPS) MAIN CBA DAVN-L IC501 (OSD) FROM DAVN-L IIC-BUS SDA SERVO/SYSTEM IIC-BUS SDA CONTROL BLOCK IIC-BUS SCL IIC-BUS SCL CHARACTER VPS-V IC301 Q351 (Y/C SIGNAL PROCESS) BUFFER (DECK ASSEMBLY) SERIAL Y. DELAY DECORDER CYLINDER ASSEMBLY CN253 V(R)-1...
  • Page 102 PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA N-A-PB TO Hi-Fi N-A-REC AUDIO BLOCK IC301 (AUDIO SIGNAL PROCESS) TUNER PB-ON LINE MUTE (DECK ASSEMBLY) SP/LP-ON ACE HEAD ASSEMBLY REC-ON Q401 CN504 AUDIO 3 A-PB/REC Q402 HEAD 4 A-COM BIAS AUDIO 6 AE-H ERASE...
  • Page 103 PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC JACK CBA CN509 JK751 MAIN CBA A-OUT1(L) A-OUT JK101 CN101 CN151 A-OUT1(R) A-IN1(R) A-IN1(R) A-IN1(L) A-IN1(L) A-OUT A-OUT1(R) A-OUT1(R) 5 A-OUT1(L) A-OUT1(L) 11 SUB JACK CBA JK102 CN102 CN152 A-IN2(R) A-IN2(R) A-IN2(L) A-IN2(L) A-OUT2(R) 6 A-OUT2(R) AFV CBA...
  • Page 104 CAUTION CAUTION ! NOTE : Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, If Main Fuse (F001) is blown, check to see that all components in the power supply REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
  • Page 105 Fax: +46 (0) 8 562 711 13 Tel: +39 02 38073415 Servizio Clienti Email: [email protected] Fax: +39 02 48786381/2 Email: [email protected] HITACHI EUROPE S.A.S HITACHI EUROPE LTD (Norway) AB Lyon Office STRANDVEIEN 18 B.P. 45, 69671 BRON CEDEX 1366 Lysaker FRANCE...

This manual is also suitable for:

Vt-fx540eVt-mx410eVt-fx440ukVt-fx540ukVt-mx410uk

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