Hitachi VT-FX685A Service Manual
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Hitachi VT-FX685A Service Manual

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SERVICE MANUAL
POWER
VIDEO-IN
L
AUDIO-IN
R
This video deck is VHS type video
recorder. For proper operation, only
the VHS type cassette must be
used.
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
VIDEO CASSETTE RECORDER
May
STOP/EJECT
PLAY
REW
F.FWD
REC/IRT
CHANNEL
TRACKING
2001
Digital Media Products Division, Tokai
TK
No. 5102E
VT-FX685A
VT-FX685AC
CONTENTS
Specifications .......................................................1- 1 -1
Important Safety Precautions ..............................1- 2 -1
Standard Notes for Servicing ...............................1- 3 -1
Preparation for Servicing .....................................1- 4 -1
Operating Controls and Functions .......................1- 5 -1
Cabinet Disassembly Instructions .......................1- 6 -1
Electrical Adjustment Instructions .......................1- 7 -1
Block Diagrams ....................................................1- 8 -1
Function Indicator Symbols ................................ 1- 8 -11
Waveforms ...........................................................1- 9 -8
Wiring Diagram ................................................1-10-1
System Control Timing Charts ..............................1-11-1
IC Pin Function .....................................................1-12-1
Lead Identifications ...............................................1-13-1
Standard Maintenance ......................................... 2- 1 -1
Fixture and Tape for Adjustment ......................... 2- 2 -1
Mechanical Alignment Procedures ...................... 2- 3 -1
Disassembly / Assembly Procedures of
Alignment Procedures of Mechanism .................. 2- 4 -9
Exploded Views ................................................... 3- 1 -1
Mechanical Parts List ........................................... 3- 2 -1
Electrical Parts List .............................................. 3- 3 -1
Deck Mechanism ..... 2- 4 -1

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  • Page 1: Table Of Contents

    No. 5102E VT-FX685A VT-FX685AC SERVICE MANUAL STOP/EJECT PLAY F.FWD REC/IRT POWER CHANNEL VIDEO-IN AUDIO-IN TRACKING CONTENTS MAIN SECTION Specifications ............1- 1 -1 Important Safety Precautions ......1- 2 -1 Standard Notes for Servicing .......1- 3 -1 Preparation for Servicing ........1- 4 -1 Operating Controls and Functions .......1- 5 -1...

  • Page 2: Main Section

    MAIN SECTION VIDEO CASSETTE RECORDER VT-FX685A VT-FX685AC MAIN SECTION Specifications Preparation for Servicing Adjustment Procedures Schematic Diagrams CBA’ s TABLE OF CONTENTS Specifications..............................1- 1 -1 Important Safety Precautions..........................1- 2 -1 Standard Notes for Servicing ..........................1- 3 -1 Preparation for Servicing ..........................

  • Page 3: Specifications

    SPECIFICATIONS Description Unit Minimum Nominal Maximum Condition 1. Video 1-1 Video Output (PB) Vp-p 1-2 Video Output (R/P) Vp-p 1-3 Video S/N Y (R/P) SP Mode 1-4 Video Color S/N AM (R/P) SP Mode 1-5 Video Color S/N PM (R/P) SP Mode 1-6 Resolution (PB) Line...

  • Page 4: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS I. Also check areas surrounding repaired locations. Product Safety Notice J. Use care that foreign objects (screws, solder drop- Some electrical and mechanical parts have special lets, etc.) do not remain inside the set. safety-related characteristics which are often not evi- K.
  • Page 5 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 their original positions. Chassis or Secondary Conductor Afterwards, do the following tests and confirm the speci- fied values to verify compliance with safety standards.

  • Page 6: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC a. The output pin of the 3 pin Regulator ICs is indicated 1. Removal as shown. With Hot-Air Flat Pack-IC Desoldering Machine: (1) Prepare the hot-air flat pack-IC desoldering ma- Top View Bottom View chine, then apply hot air to the Flat Pack-IC (about...
  • Page 7 With Soldering Iron: (4) Bottom of the flat pack-IC is fixed with glue to the CBA; when removing entire flat pack-IC, first apply (1) Using desoldering braid, remove the solder from all soldering iron to center of the flat pack-IC and heat pins of the flat pack-IC.
  • Page 8 2. Installation Instructions for Handling Semiconductors (1) Using desoldering braid, remove the solder from the foil of each pin of the flat pack-IC on the CBA so you Electrostatic breakdown of the semiconductors may can install a replacement flat pack-IC more easily. occur due to a potential difference caused by electro- (2) The "...

  • Page 9: Preparation For Servicing

    PREPARATION FOR SERVICING About REC-Safety Switch How to Enter the Service Mode Caution: The REC-Safety Switch is directly mounted on the Main About Optical Sensors CBA. When the Deck Mechanism Assembly is removed Caution: from the Main CBA for servicing, this switch does not work automatically.

  • Page 10: Operating Controls And Functions

    OPERATING CONTROLS AND FUNCTIONS Model: VT-FX685A / VT-FX685AC  VCR FRONT PANEL   REMOTE CONTROL  STOP/EJECT PLAY POWER CATV F.FWD REC/IRT VCR/TV POWER CHANNEL VIDEO-IN AUDIO-IN TRACKING TAPE SPEED ENTER  VCR REAR PANEL  27 28 +100...
  • Page 11 10. REC button– Press for manual recording. 18. PAUSE button– Press to temporarily stop the tape during recording or to view a still picture during IRT button– Press to activates Instant Recording playback. (only on the remote control) Timer. (only on the VCR) Frame Advance function–...

  • Page 12: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS Reference Notes 1. Disassembly Flowchart CAUTION: Locking Tabs (L-1) and (L-2) are fragile. Be This flowchart indicates the disassembly steps to gain careful not to break them. access to item(s) to be serviced. When reassembling, follow the steps in reverse order. Bend, route, and dress 1.
  • Page 13 (L-2) (L-2) Desolder from [6]Main C.B.A. bottom [2]Front Assembly (L-1) (L-4) Fig. 2 [7]Function C.B.A. (L-4) [4]Cylinder Shield (S-3) (S-3) Spacer (L-3) (S-2) (S-2) Fig. 4 CN501 [3]Deck Assembly SW507 LD-SW CN504 CN502 [6]Main C.B.A. [4]Deck Assembly [4]REC Arm Cam Gear CN251 Assembly CN503...

  • Page 14: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is an abbreviation for "Circuit Board Assembly." NOTE: 1. Electrical adjustments are required after replacing Figure 1 circuit components and certain mechanical parts. It EXT. Syncronize Trigger Point is important to do these adjustments only after all repairs and replacements have been completed.

  • Page 15: Block Diagrams

    BLOCK DIAGRAMS Servo/System Control Block Diagram IC501 TP502 FUNCTION CBA (SERVO/SYSTEM CONTROL) S-INH (DECK ASSEMBLY) CN507 CN651 MAIN CBA KEY- 1 KEY 2 KEY SWITCH SWITCH IC301 (Y/C PROCESS) AL+5V CONTROL KEY- 2 TP511 FIP502 TP303 RS501 D555 LED DISPLAY 23 19 S-LED REMOTE...
  • Page 16 Video Block Diagram REC VIDEO SIGNAL PB VIDEO SIGNAL MODE: SP/REC MAIN CBA TP751 V-OUT JK751 Q391 V-OUT BUFFER IC301 (Y/C PROCESS) Q301 CCD 1H BUFFER DELAY IC501 OSD- CHARA CHARA-OUT TU701 OSD- BLUEBACK BLUEBACK VIDEO-IN LUMINANCE DOC YNR Y/C COMB SIGNAL PROCESS VIDEO-OUT V-AGC...
  • Page 17 Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA TU701 SIF OUT 19 N-A-OUT TP753 TP754 MOD-A AUDIO-IN A-OUT(R) A-OUT(L) TO Hi-Fi AUDIO JK751 A-OUT (R) BLOCK A-OUT (L) A-OUT (R) A-IN (L) A-IN (R) A-IN (L)-F A-OUT (L) A-IN (R)-F REAR...
  • Page 18 Hi-Fi Audio Block Diagram PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC MAIN CBA IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP) NOISE Hi-Fi-CS SERIAL Hi-Fi-DATA TO SERVO/ SYSTEM DATA Hi-Fi-CLK CONTROL BLOCK DECODER ST/SAP DEMOD FILTER DEMOD MATRIX DEMOD STEREO PILOT FILTER...
  • Page 19 Power Supply Block Diagram NOTE : CAUTION CAUTION ! The voltage for parts in hot circuit is measured using FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage power supply circuit is used in this unit. hot GND as a common terminal. REPLACE ONLY WITH THE SAME TYPE FUSE.

  • Page 20: Function Indicator Symbols

    FUNCTION INDICATOR SYMBOLS Power Supply Trouble Shooting Guide It is highly recommended that a variable isolation If the tester does not indicate any low resistance value Note: transformer which can monitor current be used. (around 0 ohm), no load is short-circuited and there is (Alternatively a variable AC source which monitors no problem.

  • Page 21: Schematicdiagrams / Cba' S And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Note: Warning 1. Do not use the part number shown on these draw- Many electrical and mechanical parts in this chassis ings for ordering. The correct part number is shown have special characteristics. These characteristics in the parts list, and may be slightly different or often pass unnoticed and the protection afforded by amended since these drawings were prepared.
  • Page 22 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D’INCELE N’UTILISER QUE DES FUSIBLE DE MEMO TYPE.
  • Page 23 Main 1/4 Schematic Diagram PWR. 1-9-3 1-9-4 1-9-5...
  • Page 24 Main 2/4 Schematic Diagram 1-9-6 1-9-7 1-9-8...
  • Page 25 Main 3/4 Schematic Diagram CAUTION CAUTION ! FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, Fixed voltage power supply circuit is used in this unit. NOTE : REPLACE ONLY WITH THE SAME TYPE FUSE. If Main Fuse (F001) is blown, check to see that all components in the power supply The voltage for parts in hot circuit is measured using ATTENTION : POUR UNE PROTECTION CONTINUE LES RISQES circuit are not defective before you connect the AC plug to the AC power supply.
  • Page 26 Main 4/4 Schematic Diagram 1-9-11 1-9-12...
  • Page 27 Function Schematic Diagram 1-9-13 1-9-14...
  • Page 28 Function CBA Top View Function CBA Bottom View 1-9-15 1-9-16...
  • Page 29 Main CBA Top View NOTE : CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! The voltage for parts in hot circuit is measured using FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage power supply circuit is used in this unit.
  • Page 30 Main CBA Bottom View NOTE : CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER CAUTION ! The voltage for parts in hot circuit is measured using FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED. Fixed voltage power supply circuit is used in this unit.

  • Page 31: Wiring Diagram

    WIRING DIAGRAM AC CORD FRONT REAR VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO VIDEO AUDIO AUDIO IN (R) IN (L) IN (R) IN (L) OUT (R) OUT (L) ANT-IN ANT-OUT MAIN CBA CN502 CN251 CN504 CN501 CN503 CN507 CYLINDER ASSEMBLY CN651 DRUM MOTOR LOADING MOTOR ASSEMBLY...

  • Page 32: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Mode SW : LD-SW LD-SW Position detection 13 RF-SW A/D Input voltage Limit Symbol (Calculated voltage) 3.76V~4.50V The first rise of RF-SW after a rise in F-AD signal (4.12V) 4.51V~5.00V (5.00V) 0.00V~0.25V (0.00V) F-AD (Internal Signal) 1.06V~1.50V (1.21V) 0.66V~1.05V...
  • Page 33 13 RF-SW The first rise of RF-SW after a rise in F-AD signal F-AD (Internal Signal) "H" "H" "Z" 5 C-DRIVE "L" "L" Stop detection (T2) Acceleration Detection (T1) Slow Tracking Value 37 PB CTL Reversal Limit Value 10 C-F/R 11 H-A-SW 12 ROTA STILL...
  • Page 34 EJECT ST-S,/ END-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV 0.7S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD 0.4S LD-FWD LD-REV 0.2S LD-FWD PLAY PLAY PAUSE (SLOW) LD-FWD STILL(SLOW) PLAY LD-REV 0.2S LD-FWD PLAY STOP /EJECT LD-REV STOP(A) Fig.3 1-11-4...
  • Page 35 STOP(A) STOP LD-REV 0.2S LD-FWD STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 0.2S 2.0S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP /EJECT LD-FWD 0.2S...

  • Page 36: Ic Pin Function

    IC PIN FUNCTION IC501 ( SERVO / SYSTEM CONTROL IC ) Signal Active Function Name Level "H" ≥ 4.5V, "L" ≤ 1.0V Recording Safety SW Detect (With REC-SAF Signal Active Record tab="L"/ Function Name Level With out Record tab="H") REMO Remote Control CON-IN Sensor...
  • Page 37 Signal Active Signal Active Function Function Name Level Name Level Capstan Motor Video Head FWD/REV Control Switching Pulse OUT C-F/R Signal (FWD="L"/ DELAY Signal Adjusted REV="H") Voltage Take Up Reel KEY-1 A/D Key Data Signal T-REEL PULSE Rotation Signal KEY-2 A/D Key Data Signal Supply Reel S-REEL...

  • Page 38: Lead Identifications

    LEAD IDENTIFICATIONS 2SC1815-Y(TPE2) BN1F4M-T 2SC1815-GR(TPE2) BA1F4M-T BD6655FP 2SC3331(T,U) KTA1266(GR) 2SC2120-Y(TPE2) KTC3193(Y) KTC3203(Y) KTC3199(Y,GR,BL) 2SC1815-BL(TPE2) 2SC2785(J.H.F.K) 2SC2001(K,L) 2SC2058(Q) KRA103M KRC103M DTC124ESA 2SA1015-GR(TPE2) DTA124ESA E C B E C B LA71091M 2SC536NF(NG)-NPA-AT QSZAA0RMB019 LTV-817(B.C)-F ST-304L-(A,B,C,D) PT204-6B-12 2SK2599 LA72653M Note: A: Anode K: Cathode E: Emitter C: Collector B: Base...

  • Page 39: Deck Mechanism Section

    DECK MECHANISM SECTION VIDEO CASSETTE RECORDER VT-FX685A VT-FX685AC DECK MECHANISM SECTION Standard Maintenance Mechanical Alignment Procedures Disassembly/Assembly of Mechanism Alignment for Mechanism TABLE OF CONTENTS Standard Maintenance............................2-1-1 Fixture and Tape for Adjustment ........................2-2-1 Mechanical Alignment Procedures ........................2-3-1 Disassembly / Assembly Procedures of Deck Mechanism ................

  • Page 40: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components h: Hours : Check : Change Deck Periodic Service Schedule Ref. No. Part Name 1,000 h 2,000 h 3,000 h 4,000 h Cylinder Assembly Loading Motor Assembly Pulley Assembly Tension Lever Sub Assembly AC Head Assembly B573, B574 Reel (S), Reel (T) Capstan Motor Cap Belt...
  • Page 41 Cleaning of Audio Control Head Cleaning Clean the head with a cotton swab. Cleaning of Video Head Procedure Clean the head with a head cleaning stick or chamois cloth. 1. Remove the top cabinet. 2. Dip the cotton swab in 90% isopropyl alcohol and Procedure clean the audio control head.

  • Page 42: Fixture And Tape For Adjustment

    FIXTURE AND TAPE FOR ADJUSTMENT 1. Alignment Tape 2. Special Driver No. 7099046 (MH-1) No. 7099028 How To Use The Fixtures And Tape Item No. Name Part No. How to used Head Switching Point Alignment Tape 7099046 Tape Interchangeability Alignment Special Driver 7099028 Guide Roller...

  • Page 43: Mechanical Alignment Procedures

    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 44 1. 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 2-3-4, procedure 1-C, step 2.) Equipment required: Dual Trace Oscilloscope VHS Alignment Tape (MH-1) Guide Roller Adj.
  • Page 45 to apply adequate torque to the shaft of each 1-A. Preliminary/Final Checking and Guide Roller so that the Guide Roller turns prop- Alignment of Tape Path erly. Even when adjusting the height of the Guide Purpose: Roller(s), do not touch these two small screws. To make sure that the tape path is well stabilized.
  • Page 46 6. Press CH DOWN button on the VCR until the CTL 1-D. Azimuth Alignment of Audio/Control/ waveform has shifted from its original position (not Erase Head the position achieved in step 5, but the position of Purpose: CTL waveform in step 4) by approximately To correct the Azimuth alignment so that the Audio/Con- -2ms.
  • Page 47 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 1-6-1.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode; see the positions of [48] and [49] in Fig.
  • Page 48 STEP START- REMOVAL INSTALLATION /LOC. REMOVE/*UNHOOK/ PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER [32] [28] TR Gear C DM2, DM14 (C-6) [33] [32] TR Gear Spring DM14 [34] [33] TR Gear A/B DM1, DM14 [35] [34] FF Arm HI DM1, DM14 [36] [28] Sensor Gear...
  • Page 49 Top View [48] [16] [49] [53] [54] [50] [13] [12] [14] [10] [15] [43] [44] [11] [42] [41] [47] [37] [34] [36] [35] [45] [46] Fig. DM1 Bottom View [20] [40] [25] [39] [27] [29] [30] [24] [28] [26] [31] [32] [22] [21]...
  • Page 50 (S-1) (L-1) (S-1) (L-1) (S-2) (S-4) (S-3) (P-1) Fig. DM5 Fig. DM3 Connector Pin D Pin C [53] Pull up Connector Slide [54] Pin A Pin B (L-6) Slot A Slots (S-5) (S-19) Slot A Fig. DM6 First, while pushing the locking tab as shown in the right, slide and pull up the right side on [2] to release Pin A and Pin B from the slots A.
  • Page 51 (S-7) (S-9) [13] FFC Cable (S-10) (S-11) [15] ACH Connector [16] 9B (9P) [14] (L-4) ACH Connector AN (9P) (S-6) Belt Fig. DM7 Fig. DM9 (L-2) (S-8) [10] [18] After removing the Screw (S-12), [12] while pressing the Locking Tab (P-3) (L-7) (L-7), remove [17].
  • Page 52 Cap Belt (C-2) [24] [20] (C-3) [25] [26] (P-4) (P-4) [31] Fig. DM11 (S-14) When installing [26], install the spring (P-4) to [31] as shown in the left figure, and (C-1) then install [26] while Pin on [22] pressing the spring (P-4) to bottom the direction of the arrow in of [26]...
  • Page 53 Refer to the Alignment Section, Page 2-4-9. [28] (C-5) (P-5) [38] (S-16) [37] [40] [39] (C-7) [30] [36] [29] (C-6) [32] (C-4) [33] [31] [27] [34] Fig. DM15 [43] [35] Position of Mode Lever when installed (C-10) Pin of [42] Pin of [38] (P-7) [45]...
  • Page 54 [50] [49] [48] (L-3) Slide Holder S (S-17) Slide Holder T (S-18) Fig. DM17 (P-9) [52] [51] Slide Fig. DM18 2-4-8...

  • Page 55: Alignment Procedures Of Mechanism

    ALIGNMENT PROCEDURES OF MECHANISM The following procedures describe how to align the Alignment 1 individual gears and levers that make up the tape load- Loading Arm, S and T Assembly ing/unloading mechanism. Since information about the state of the mechanism is provided to the System Con- Install Loading Arm S and T Assembly so that their trol Circuit only through the Mode Switch, it is essential triangle marks point to each other as shown in...
  • Page 56 Alignment 3 Cam Gear (A), Rack Assembly Install the Rack Assembly so that the first tooth on the gear of the Rack Assembly meets the first groove on the Cam Gear (A) as shown in Fig. AL4. Cam Gear (A) Top View Alignment 3 First tooth...

  • Page 57: Exploded Views And Parts List Section

    EXPLODED VIEWS AND PARTS LIST SECTION VIDEO CASSETTE RECORDER VT-FX685A VT-FX685AC EXPLODED VIEWS AND PARTS LIST SECTION Exploded views Parts List TABLE OF CONTENTS Exploded Views ..............................3-1-1 Mechanical Parts List............................3-2-1 Electrical Parts List .............................. 3-3-1...

  • Page 58: Exploded Views

    EXPLODED VIEWS Front Panel 3-1-1...
  • Page 59 Cabinet See Electrical Parts List for parts with this mark. 2L011 Some Ref. Numbers are not in sequence. 2L011 2L023 2L023 2L011 2L021 2L021 2B43 2L021 2L021 2B44 2L022 2L021 2B45 2B34 2B24 2B46 MAIN CBA FUNCTION CBA AC001 3-1-2...
  • Page 60 Deck Mechanism View 1 Mark Description Floil G-374G (Blue grease) B402 B401 B494 L1471 L1460 L1191 B411 B552 L1463 B567 B550 B523 L1053 B410 L1051 Chassis Assembly Top View (Grease Point) B501 B576 L1482 B560 L1450 B577 B426 L1466 B121 L1482 B126 B122...
  • Page 61 Deck Mechanism View 2 Mark Description Floil G-374G (Blue grease) B574 B487 B508 L1406 B556 B573 B148 B524 (Motor B518 PCB Ass’y) B520 B522 B521 B414 B564 B499 B558 B416 B404 B512 B557 B403 B566 B417 L1469 B568 L1151 B525 B551 B584 B578...
  • Page 62 Deck Mechanism View 3 Mark Description Floil G-374G (Blue grease) L1321 B347 L1321 B472 B319 L1483 B355 B354 B483 B529 B425 L1461 B360 L1341 B359 B482 B562 L1341 B300 B563 B361 B313 B555 B561 B303 Some Ref. Numbers are not in sequence. B514 3-1-5...

  • Page 63: Mechanical Parts List

    MECHANICAL PARTS LIST SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION B402 TJ15177 CONNECTOR MECHANISM SECTION B403 TJ13984 CONNECTOR TJ13885 HOLDER, SENSOR B404 TJ15178 CONNECTOR B410 TJ15179 ARM, PINCH TJ15107 SHIELD, CYLINDER TJ15122 BUSH, LED B411 TJ15181 SPRING, PINCH B414 TJ15289 BRAKE(S) 2B24 TJ15123 SHIELD, BOTTOM...
  • Page 64 SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION B565 TJ15224 GEAR, SENSOR B566 TJ15225 HOLDER, ARM B567 TJ15226 ARM, PINCH(B) B568 TJ15304 ARM(BT) B569 TJ15305 HOLDER, CAM B570 TJ15229 SPRING, CAM RACK B571 TJ10229 WASHER B572 TJ15203 WASHER B573 TJ15231 REEL(S) B574 TJ15232 REEL(T) B576...

  • Page 65: Electrical Parts List

    ELECTRICAL PARTS LIST Note: Although some parts in the schematic diagrams have different names from those in the parts list, there is no problem in replacing parts. SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION Q056 TJ15283 TRANSISTOR 2SC2001 RESISTOR Q060 TJ13923 TRANSISTOR KRA103M VR501 TJ13934...
  • Page 66 SYMBOL-NO P-NO DESCRIPTION SYMBOL-NO P-NO DESCRIPTION X502 TJ15146 CRYSTAL MISCELLANEOUS CN251 TJ13892 CONNECTOR CN501 TJ13456 CONNECTOR CN502 TJ15126 CONNECTOR CN503 TJ15127 CONNECTOR CN504 TJ13892 CONNECTOR CN651 TJ15147 CONNECTOR ! F001 TE13223 FUSE 1A/250V FH001 TE11084 HOLDER FH002 TE11084 HOLDER FIP502 TJ15131 DISPLAY, LED ! GP002...
  • Page 67 VT-FX685A No. 5102E Digital Media Products Division, Tokai VT-FX685AC...

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