FUNAI TVCR-1404 Service Manual
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FUNAI TVCR-1404 Service Manual

FUNAI TVCR-1404 Service Manual

14" color tv/vcr combination funai tvcr-1404 series
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SERVICE MANUAL
Sec. 1: Main Section
I Specifications
I Preparation for Servicing
I Adjustment Procedures
I Schematic Diagrams
I CBA's
I Exploded views
I Parts List
14" COLOR TV/VCR COMBINATION
This service manual is for TVCR-1404
series. When servicing these models,
please confirm a model number on the
rating label located on the backside of
the cabinet.
Refer to the rating label illustration at
right (example: TVCR-A1404).
TVCR-1404
Sec. 2: Deck Mechanism Section
I Standard Maintenance
I Alignment for Mechanism
I Disassembly/Assembly of Mechanism
I Alignment Procedures of Mechanism
I Deck Exploded Views
I Deck Parts List
model number
PAL
PAL
SECAM
rating label

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Summary of Contents for FUNAI TVCR-1404

  • Page 1 I Deck Parts List I Parts List 14" COLOR TV/VCR COMBINATION TVCR-1404 SECAM This service manual is for TVCR-1404 model number series. When servicing these models, please confirm a model number on the rating label located on the backside of the cabinet.

  • Page 2: Table Of Contents

    MAIN SECTION 14" COLOR TV/VCR COMBINATION TVCR-A1404/TVCR-B1404/ TVCR-C1404/TVCR-D1404/ TVCR-A1404T/TVCR-A1404TG Sec. 1: Main Section I Specifications I Preparation for Servicing I Adjustment Procedures I Schematic Diagrams I CBA’s I Exploded Views I Parts List TABLE OF CONTENTS Specifications ............... . . 1-1-1 Important Safety Precautions .

  • Page 3: Specifications

    SPECIFICATIONS *ˆ M ode---------SP mode unless otherwise specified *Test input terminal <Except Tuner>-------------Video input (1Vp-p) Audio input (-10dB) <Tuner>-----------------------Ant. input (80dBµV) Video: 87.5% mod.(BG/DK), 80.0% mod.(I) Audio: 30kHz div (1kHz Sin) <DEFLECTION> Description Condition Unit Nominal Limit 1. Over Scan —...
  • Page 4 <AUDIO> All items are measured across 8Ω resistor at speaker output terminal. Description Condition Unit Nominal Limit 1. Audio Output Power (Max.) (R/P) 2. Audio S/N (W/LPF) (R/P) 3. Audio Distortion (W/LPF) (R/P) 4. Audio Freq. Response 200Hz (R/P) — 5.0/-10 (-20dB Ref.

  • Page 5: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for 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 6 ing is performed that involves B+, horizontal de- earth ground. If a voltage reading in excess of 1.0V flection or high voltage. Correct operation of the is obtained, remove and reinsert the AC power X-radiation protection circuits also must be recon- plug in the opposite polarity and again measure firmed each time they are serviced.
  • Page 7 Precautions during Servicing H. When a power cord has been replaced, check that 5~6 kg of force in any direction will not loosen it. A. Parts identified by the ( ! ) symbol are critical for I. Also check areas surrounding repaired locations. safety.
  • Page 8 Safety Check after Servicing Examine the area surrounding the repaired location for Chassis or Secondary Conductor damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the Primary Circuit Terminals specified values in order to verify compliance with safety standards.

  • Page 9: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Read the Values of the Rect- angular Type Chip Components 1. The output pin of the 3 pin Regulator ICs is indi- cated as shown: Example: (a) Resistor Top View Bottom View Input = 473 = 47 [kΩ] 2.
  • Page 10 1.2. Standard solder e. Soldering Iron Soldering Iron Use a pencil-type soldering iron (less than 30 Tweezers watts). Solder f. Solder Eutectic solder (Tin 63%, Lead 37%) is recom- mended. g. Soldering time Do not apply heat for more than 4 seconds. h.
  • Page 11 b. Affix the wire to a workbench or solid mounting point, as shown in Fig. S-1-5. Desoldering Braid c. Pull up on the wire as the solder melts so as to lift Flat Pack-IC the IC leads from the CBA contact pads, while heating the pins using a fine tip soldering iron or hot air blower.
  • Page 12 <Correct> Presolder Grounding Band 1MΩ Flat Pack-IC 1MΩ Conductive Sheet or Copper Plate Fig. S-1-7 Instructions for Handling Semiconductors Electrostatic breakdown of the semiconductors may occur due to a potential difference caused by electro- static charge during unpacking or repair work. Ground for Human Body Be sure to wear a grounding band (1MΩ) that is prop- erly grounded to remove any static electricity that may...

  • Page 13: Preparation For Servicing

    PREPARATION FOR SERVICING How to Enter the Service Mode Adjustment Mode No need to use. Caution: 1 No need to use. 1. Optical sensors system are used for Tape Start and H. Shift adjustment mode: See adjust- End Sensor on this equipment. Read this page ment instructions page 1-6-4.

  • Page 14: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS Comparison Chart of Models and Marks REMOVAL Model Mark REMOVE/ *UNHOOK/ TVCR-A1404 LOC. PART Fig. UNLOCK/RELEASE/ Note TVCR-B1404 UNPLUG/ TVCR-C1404 DESOLDER TVCR-D1404 Tray TVCR-A1404T Chassis ---------- TVCR-A1404TG Unit 1. Disassembly Flowchart H.V./Power Supply 6(S-3) This flowchart indicates the disassembly steps for the cabinet parts, and the CBA in order to gain access to item(s) to be serviced.
  • Page 15 Then pull the Power Unit and Tray Chassis Unit out 7. Removal of the Deck Unit. backward. Remove seven screws (S-6), screw (S-7) and screw (S-8). Then, desolder connectors (CN201, 3. Removal of the Power Unit. CL401, CL402, CL403) and lift up the Deck Unit. Disconnect connectors CN502,...
  • Page 16 (S-4) [4] Tray Chassis Unit (S-4) (S-4) (S-4) CL604 (S-6) (S-6) [6] Top Cover (S-6) [2] Power Unit and Tray Chassis Unit (S-6) [ E,F ] (S-9) [8] Deck Unit (S-10) (S-10) Holder (S-10) [9] Text CBA (S-10) [10] Main CBA (S-3) (S-7) (S-8)
  • Page 17 (S-11) Anode Cap CRT CBA (S-11) (S-11) (S-11) [11] CRT Fig. 4 1-5-4 T6600DC...
  • Page 18 CRT CBA ANODE CN501B FOCUS SCREEN CN501 CN502 H.V./POWER SUPPLY CBA CN552 CL501A CN551 CN602 CN601 TO DEGAUSS COIL MAIN CBA CL403 [ E,F ] TEXT CBA CL302A CL401 CL301A CL402 CN751 CN752 CN201 CN151 CL603A CAPSTAN TO SPEAKER MOTOR CL604 TO TOP COVER CYLINDER...

  • Page 19: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: "CBA" is abbreviation for "Circuit Board How to set up the option code Assembly." 1. Enter the Service mode. 2. Press the [STATUS] button on the remote control NOTE: unit. The option code appears on the display. Electrical adjustments are required after replacing 3.
  • Page 20 1. DC 105V (+B) Adjustment 2. H Adjustment Purpose: To obtain correct operation. Purpose: To get correct horizontal position and size of screen image. Symptom of Misadjustment: The picture is dark and unit does not operate correctly. Symptom of Misadjustment: Horizontal position and size of screen image may not be properly displayed.
  • Page 21 3. C-Trap Adjustment 4. SECAM Black Level Adjustment Purpose: To get minimum leakage of the color signal Purpose: To set Black Level of the SECAM signal R- carrier. Y/B-Y to Ref. level. Symptom of Misadjustment: If Black Level of the Symptom of Misadjustment: If C-Trap Adjustment is SECAM signal R-Y/B-Y is incorrect, the picture is blu- incorrect, stripes will appear on the screen.
  • Page 22 5. V. Size Adjustment 7. H. Shift Adjustment Purpose: To obtain correct vertical height of screen Purpose: To obtain correct horizontal position and image. size of screen image. Symptom of Misadjustment: If V. Size is incorrect, Symptom of Misadjustment: Horizontal position and vertical height of image on the screen may not be size of screen image may not be properly displayed.
  • Page 23 7. Press the [PROG+/PROG-] buttons until the hori- 9. White Balance Adjustment zontal line becomes white. Purpose: To mix red, green and blue beams correctly 8. To enter the CUT OFF (G) mode, press [2] button for pure white. on the remote control unit. Symptom of Misadjustment: White becomes bluish 9.
  • Page 24 10. Sub-Brightness Adjustment 11. Setting for CONTRAST, COLOR, TINT and SHARP Purpose: To get proper brightness. Data Values Symptom of Misadjustment: If Sub-Brightness is incorrect, proper brightness cannot be obtained by General adjusting the Brightness Control. 1. Enter the Service mode. (See page 1-6-1) 2.
  • Page 25 12. Focus Adjustment 13. Head Switching Position Adjustment Purpose: Set the optimum Focus. Purpose: Determine the Head Switching Position dur- ing Playback. Symptom of Misadjustment: If Focus Adjustment is incorrect, blurred images are shown on the display. Symptom of Misadjustment: May cause Head Switching Noise or Vertical Jitter in the picture.

  • Page 26: Block Diagrams

    BLOCK DIAGRAMS Servo/System Control Block Diagram T6600BLS 1-7-1...
  • Page 27 Video Block Diagram T6600BLV 1-7-2...
  • Page 28 Audio Block Diagram T6600BLA 1-7-3...
  • Page 29 TV Block Diagram T6600BLT 1-7-4...
  • Page 30 CRT/H.V. Block Diagram T6600BLCRT 1-7-5...
  • Page 31 Power Supply Block Diagram T6600BLP 1-7-6...

  • Page 32: Mechanical Trouble Indicator

    MECHANICAL TROUBLE INDICATOR 1, Each Malfunction Indication POWER SAFETY 1) POWER SAFETY 1 If the MONITOR is turned ON right after the Mechani- If P-SAFETY 1 port becomes continuously 2.5V or cal Malfunction occurs or POWER SAFETY/X-RAY is less for 120 msec. (4 times 40 msec. interval) when turned ON, display the following character to show MONITOR is ON, the unit shall be assumed to be Malfunction after the EJECT display.
  • Page 33 Mechanical Malfunction determination 4) Countermeasure for CASSETTE LOADING Mal- function 1) REEL Malfunction detection a) CASSETTE IN operating Malfunction Countermeasure for REEL and CAPSTAN motor If LD-SW does not go to SB position after a lapse rotation malfunction (Except CASSETTE LOAD- of 5 sec.

  • Page 34: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes Note: 1. Do not use the part number shown on these draw- Warning ings for ordering. The correct part number is shown in the parts list, and may be slightly different or Many electrical and mechanical parts in this chassis amended since these drawings were prepared.
  • Page 35 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. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F601) 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 36 Main 1/5 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK MODEL MARK TVCR-A1404 TVCR-D1404 TVCR-B1404 TVCR-A1404T TVCR-C1404 TVCR-A1404TG 1-8-3 1-8-4 T6600SCM1...
  • Page 37 Main 2/5 Schematic Diagram 1-8-5 1-8-6 T6600SCM2...
  • Page 38 Main 3/5 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK MODEL MARK TVCR-A1404 TVCR-D1404 TVCR-B1404 TVCR-A1404T TVCR-C1404 TVCR-A1404TG 1-8-7 1-8-8 T6600SCM3...
  • Page 39 Main 4/5 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK MODEL MARK TVCR-A1404 TVCR-D1404 TVCR-B1404 TVCR-A1404T TVCR-C1404 TVCR-A1404TG 1-8-9 1-8-10 T6600SCM4...
  • Page 40 Main 5/5 Schematic Diagram Comparison Chart of Models and Marks MODEL MARK MODEL MARK TVCR-A1404 TVCR-D1404 TVCR-B1404 TVCR-A1404T TVCR-C1404 TVCR-A1404TG 1-8-11 1-8-12 T6600SCM5...
  • Page 41 H.V./Power Supply 1/2 Schematic Diagram Comparison Chart of Models and Marks CAUTION ! MODEL MARK MODEL MARK CAUTION Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. TVCR-A1404 TVCR-D1404 FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, If Main Fuse (F601) is blown, check to see that all components in the power supply TVCR-B1404 TVCR-A1404T...
  • Page 42 H.V./Power Supply 2/2 Schematic Diagram 1-8-15 1-8-16 T6600SCP2...
  • Page 43 CRT Schematic Diagram 1-8-17 1-8-18 T6600SCCRT...
  • Page 44 Text Schematic Diagram ( E,F ) Comparison Chart of Models and Marks MODEL MARK MODEL MARK TVCR-A1404 TVCR-D1404 TVCR-B1404 TVCR-A1404T TVCR-C1404 TVCR-A1404TG 1-8-20 T6600SCT 1-8-19...
  • Page 45 Main CBA Top View Sensor CBA Top View BHF300F01011-A TO SENSOR CBA (END-SENSOR) BHF300F01011-B J361G4 (SECAM Black Level Adjustment) TP007 N-A-PB TP002 RF-SW TP001 TP008 C-PB J349F3 (C-Trap Adjustment) TP003 V-OUT TO SENSOR CBA (START-SENSOR) 1-8-21 1-8-22 BT6600F01012...
  • Page 46 Main CBA Bottom View PIN 8 PIN 29 PIN 48 OF IC401 OF IC401 OF IC401 WF17 PIN 58 OF IC201 WF18 PIN 59 OF IC201 PIN 52 OF IC301 WF11 PIN 7 OF IC301 WF10 PIN 13 OF IC301 1-8-23 1-8-24 BT6600F01012...
  • Page 47 H.V./Power Supply CBA Top View CAUTION ! CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 48 H.V./Power Supply CBA Bottom View CAUTION ! CAUTION BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit. FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, SUPPLY CIRCUIT, AN ISOLATION TRANSFORMER MUST BE USED.
  • Page 49 CRT CBA Top View CRT CBA Bottom View WF14 WF16 WF15 Q503 Q502 Q501 Collector Collector Collector 1-8-29 1-8-30 BT6600F01022-B...
  • Page 50 Text CBA Top View ( E,F ) Text CBA Bottom View ( E,F ) Comparison Chart of Models and Marks MODEL MARK MODEL MARK TVCR-A1404 TVCR-D1404 TVCR-B1404 TVCR-A1404T TVCR-C1404 TVCR-A1404TG 1-8-31 1-8-32 BT6400F01032...
  • Page 51 Junction-A CBA Top View Junction-A CBA Bottom View Junction-B CBA Top View Junction-B CBA Bottom View Junction-C CBA Top View Junction-C CBA Bottom View BT6600F01012 1-8-33 1-8-34...

  • Page 52: Waveforms

    WAVEFORMS 1-9-1 Z13PWF...

  • Page 53: Wiring Diagram

    WIRING DIAGRAM 1-10-1 T6600WI...

  • Page 54: System Control Timing Charts

    SYSTEM CONTROL TIMING CHARTS Chart 1 EJECT ST-S "OFF" CASS.LOAD LD-FWD 0.2S LD-REV SFT-SW STOP(B) POWER LD-FWD 0.4S LD-FWD 0.2S LD-REV 0.2S LD-FWD 0.5S LD-REV STOP(A) PLAY LD-FWD PLAY LD-FWD RS1(RS2) LD-REV 0.2S LD-FWD FS1(FS2) PLAY PLAY PAUSE STILL PAUSE NOISE CANCEL PAUSE...
  • Page 55 Chart 2 STOP(A) STOP LD-REV 0.2S LD-FWD 0.2S STOP /EJECT 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-REV 0.2S LD-FWD 0.2S STOP /EJECT LD-REV 1.0S LD-FWD 0.5S LD-REV STOP(A) LD-FWD PAUSE LD-FWD 2.5S Short REV LD-REV 0.2S LD-FWD REC PAUSE REC or PAUSE STOP /EJECT...

  • Page 56: Ic Pin Function Descriptions

    IC PIN FUNCTION DESCRIPTIONS Comparison Chart of Models and Marks Signal Mark Function Name Model Mark Recording LED TVCR-A1404 OUT REC-LED Control Signal TVCR-B1404 TVCR-C1404 Not Used TVCR-D1404 Not Used TVCR-A1404T Not Used TVCR-A1404TG Not Used RAPID-Switch Input IC 201 (TV/VCR Micro Controller) SCART- Signal from Scart MUTE...
  • Page 57 Signal Signal Mark Function Mark Function Name Name Loading Motor Not Used OUT LD-CONT Control Signal Not Used Teletext Control OUT TEXT-L OSDVcc OSDVcc Signal Not Used A,B,C Not Used Not Used Power Voltage OUT TEXT-RESET Tele Text Reset P-DOWN-L Down Detector Signal at Low CV-IN...

  • Page 58: Lead Identifications

    LEAD IDENTIFICATIONS 2SC3619 MID-32A22F 2SK2647 KTC3503Y PT204-6B-12 2SC5884000RF 2SD1913(R) KTC2026Y TT2084LS-YB11 S: Souce E: Emitter TT2138LS-YB11 D: Drain C: Collector B: Base G: Gate E C B S D G B C E 2SA1015-GR(TPE2) 2SA1346 2SA1175(F) LA78040A 2SC1815-GR(TPE2) 2SA950(Y,O) 2SC2120-O(TPE2) 2SC1627Y-TPE2 2SC2120-Y(TPE2) 2SC2482 TPE6...

  • Page 59: Exploded Views

    EXPLODED VIEWS Cabinet [ B ] CL604 H.V./Power SP151 Details for L551 Supply CBA and surrounding parts SHINWHA TAPE SGT-730 CL801 (BLACK) V501-2 TL18 SHINWHA [ E,F ] TAPE SGT-730 V501-1 (WHITE) TB13 L551 Text CBA CRT CBA V501-3 TB10 L551 Sensor CLN551...
  • Page 60 Packing [ A,E ] X2-1 X2-2 X2-3 X2-4 X2-5 X2-6 X2-7 [ B ] [ C ] [ F ] X2-1 X2-2 X2-3 X2-4 X2-12 Comparison Chart of [ D ] Models and Marks Model Mark X2-1 X2-3 X2-8 X2-9 X2-10 X2-11 TVCR-A1404 TVCR-B1404 TVCR-C1404...

  • Page 61: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a ! Ref. No. Mark Description Part No. have special characteristics important to safety. Before SPEAKER J-F097-C5 DSD0808DCP01 replacing any of these components, read carefully the TRAY CHASSIS T6400RA 0EM000697 product safety notice in this service manual. Don't TOP COVER T6300RA 0EM101155 degrade the safety of the product through improper ser-...
  • Page 62 Ref. No. Mark Description Part No. DRY BATTERY(SUNRISE) R6SSE/2S or XB0M451MS002 DRY BATTERY R6P/2S XB0M451T0001 20040214 1-15-2 T6600CA...
  • Page 63 Service Manual TVCR-x1404 Appendix 1 16.07.2007 Changes for Models : TVCR-A1404, TVCR-A1404T, TVCR-A1404TG, TVCR-B1404 Refer. Nr. Mark Description New Part Nr. changing Date A, B, E, F Rear Cabinet OEM000864 16.07.2007 Changes for Models : TVCR-C1404, TVCR-D1404 Refer. Nr. Mark Description New Part Nr.

  • Page 64: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Mark Description Part No. have special characteristics important to safety. Before C203 CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ CZM1CZB0F103 replacing any of these components, read carefully the C205 CHIP CERAMIC CAP .(MELF) F Z 0.01µF/ CZM1CZB0F103...
  • Page 65 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C302 ELECTROLYTIC CAP . 470µF/6.3V M or CE0KMASDL471 C334 CHIP CERAMIC CAP . F Z 0.1µF/50V or CHD1JZB0F104 ELECTROLYTIC CAP . 470µF/6.3V M CE0KMASTL471 CHIP CERAMIC CAP . F Z 0.1µF/25V CHD1EZB0F104 C303 CHIP CERAMIC CAP .
  • Page 66 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C442 CHIP CERAMIC CAP . F Z 0.1µF/50V or CHD1JZB0F104 ELECTROLYTIC CAP . 1µF/50V M or CE1JMASDL1R0 CHIP CERAMIC CAP . F Z 0.1µF/25V CHD1EZB0F104 ELECTROLYTIC CAP . 1µF/50V M CE1JMASTL1R0 C443 ELECTROLYTIC CAP .
  • Page 67 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. D213 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 IC681! VOLTAGE REGULATOR KIA7805API or NSBBA0SJY011 SWITCHING DIODE 1N4148 NDTZ001N4148 VOLTAGE REGULATOR KA7805A NSZBA0SF3052 D214 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 IC701! IC:SWITCH TC4053BF(N) or QSMBA0STS002 SWITCHING DIODE 1N4148 NDTZ001N4148...
  • Page 68 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. Q684 TRANSISTOR 2SC2120-Y(TPE2) or QQSY02SC2120 TRANSISTOR 2SC1815-GR(TPE2) QQS102SC1815 TRANSISTOR 2SC2120-O-TPE2 or QQS002SC2120 Q711 TRANSISTOR 2SA1175(F) or QQSF02SA1175 TRANSISTOR KTC3203(Y) NQSY0KTC3203 TRANSISTOR KTA1267(GR) or NQS10KTA1267 Q685! TRANSISTOR 2SC2785(F) or QQSF02SC2785 TRANSISTOR KTA1266(GR) or NQS40KTA1266...
  • Page 69 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 270 Ω CHIP RES.(1608) 1/10W J 10 Ω R221 RCX4JATZ0271 R288 RRXAJB5Z0100 CARBON RES. 1/4W J 1k Ω CHIP RES.(1608) 1/10W J 10 Ω R222 RCX4JATZ0102 R289...
  • Page 70 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CHIP RES.(1608) 1/10W J 10k Ω CHIP RES.(1608) 1/10W J 22k Ω R686 RRXAJB5Z0103 R860 RRXAJB5Z0223 CARBON RES. 1/4W J 82 Ω CHIP RES.(1608) 1/10W J 330k Ω R689! RCX4JATZ0820 R861...
  • Page 71 POWER CBA Ref. No. Mark Description Part No. LED HOLDER T6400RA 0EM407754 Ref. No. Mark Description Part No. TB21 BUSH, LED(F) H3700UD 0VM409508 A,C,D, POWER CBA 0ESA06011 TP001 PCB JUMPER D0.6-P12.5 JW12.5T TP002 PCB JUMPER D0.6-P12.5 JW12.5T POWER CBA 0ESA06017 TP003 PCB JUMPER D0.6-P12.5 JW12.5T...
  • Page 72 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. C615! FILM CAP .(P) 0.068µF/50V J or CMA1JJS00683 D562 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 FILM CAP .(P) 0.068µF/50V J CA1J683MS029 SWITCHING DIODE 1N4148 NDTZ001N4148 C616 CERAMIC CAP . R K 220pF/2KV(HR) or CCD3DKA0R221 D563 ZENER DIODE MTZJT-775.1B or...
  • Page 73 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 8.2 Ω D638 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 R555 RCX4JATZ08R2 CARBON RES. 1/4W J 8.2 Ω SWITCHING DIODE 1N4148 NDTZ001N4148 R556 RCX4JATZ08R2 CARBON RES. 1/4W J 10k Ω D641 ZENER DIODE MTZJT-7715B or QDTB00MTZJ15...
  • Page 74 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 1.2k Ω R626! RCX4JATZ0122 SCREW, B-TIGHT M3X8 BIND HEAD+ GBMB3080 R627 PCB JUMPER D0.6-P5.0 JW5.0T PS602! THERMISTOR ZPB31BL9R0A QNWZ31BL9R0A CARBON RES. 1/4W J 820 Ω R628! RCX4JATZ0821 SA601!
  • Page 75 Ref. No. Mark Description Part No. Ref. No. Mark Description Part No. CARBON RES. 1/4W J 1.5k Ω R507 RCX4JATZ0152 SWITCHING DIODE 1N4148 NDTZ001N4148 CARBON RES. 1/4W J 1.5k Ω R510 RCX4JATZ0152 D906 SWITCHING DIODE 1SS133(T-77) or QDTZ001SS133 R511 PCB JUMPER D0.6-P5.0 JW5.0T SWITCHING DIODE 1N4148 NDTZ001N4148...
  • Page 76 DECK MECHANISM SECTION 14" COLOR TV/VCR COMBINATION TVCR-A1404/TVCR-B1404/ TVCR-C1404/TVCR-D1404/ TVCR-A1404T/TVCR-A1404TG Sec. 2: Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly / Assembly of Mechanism I Deck Exploded Views I Deck Parts List TABLE OF CONTENTS Standard Maintenance ..............2-1-1 Service Fixture and Tools .

  • Page 77: Standard Maintenance

    STANDARD MAINTENANCE Service Schedule of Components H: Hours : Check I: 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 Assembly B587 ACE Head Assembly B573, B574 Reel (SP)(D2), Reel (TU)(D2) Capstan Motor...
  • Page 78 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 79: Service Fixture And Tools

    SERVICE FIXTURE AND TOOLS J-1-1, J-1-2 Ref. No. Name Part No. Adjustment J-1-1 Alignment Tape FL6A Head Adjustment of ACE Head J-1-2 Alignment Tape FL6N8 Azimuth and X Value Adjustment of ACE Head / (2 Head model) Adjustment of Envelope Waveform FL6NS8 (4 Head model) Guide Roller Adj.

  • Page 80: 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 81 1. Tape Interchangeability Alignment Note: To do these alignment procedures, make sure that the Tracking Control Circuit is set to the preset 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 (FL6N8) Guide Roller Adj.
  • Page 82 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. M6) 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 83 5. To shift the CTL waveform, press CH UP or CH 5. When Guide Rollers [2] and [3] (Refer to Fig. M3) DOWN button on the remote control unit. Then 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 84 1-D. Azimuth Alignment of Audio/Con- trol/ Erase Head Purpose: To correct the Azimuth alignment so that the Audio/ Control/Erase Head meets tape tracks properly. Symptom of Misalignment: If the position of the Audio/Control/Erase Head is not properly aligned, the Audio S/N Ratio or Frequency Response will be poor.

  • Page 85: Disassembly/Assembly Procedures Of Deck Mechanism

    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 1-5-1 of Main Section.) All the following procedures, including those for adjustment and replacement of parts, should be done in Eject mode;...
  • Page 86 REMOVAL INSTALLATION STEP START- REMOVE/*UNHOOK/ /LOC. PART ADJUSTMENT Fig. No. UNLOCK/RELEASE/ CONDITION UNPLUG/DESOLDER Loading Arm (SP) (+)Refer to Alignment [32] [25] DM2, DM14 Assembly Sec.Page 2-5-1 Loading Arm (TU) (+)Refer to Alignment [32] [33] DM2, DM14 Assembly Sec.Page 2-5-1 [34] [2],[25] M Brake (TU) Assembly DM1, DM15 *(P-7), Brake Belt...
  • Page 87 Top View [41] [42] [43] [46] [14] [13] [11] [15] [36] [10] [12] [35] [34] [40] [29] [30] [16] [39] [38] Fig. DM1 Bottom View [20] [33] [32] [24] [26] [27] [25] [23] [28] [22] [21] [31] Fig. DM2 2-4-3 Z13PDA...
  • Page 88 (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 89 [11] (S-4A) (L-4) [46] (P-3) [13] [47] Removal of [11] [12] (L-14) 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 [28] When reassembling [10] and...
  • Page 90 Installation of [13] and [12] (S-5) [14] (S-6) [16] [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 91 [22] (S-8) (C-2) (C-1) [23] (L-6) [21] (P-5) [20] Cap Belt (P-5) [28] Installation position of Cap Belt [21] Cap Belt When installing [23], install the spring (P-5) to [28] as shown in the left figure, and then install [23] while Pin on pressing the spring (P-5) to bottom...
  • Page 92 (P-6) [25] (C-4) [31] Refer to the Alignment Section, Page 2-5-1. (S-9) [29] [33] [30] (L-11) (L-10) [32] (L-8) (C-3) [27] [28] [24] [26] (L-9) Fig. DM14 Fig. DM13-1 [36] Break belt Installation of [25] (P-7) [34] Position of Mode Lever when installed [40] Pin of [35] Pin of [31]...
  • Page 93 [42] [41] [43] (L-13) Fig. DM16 (P-9) [44] [45] Slide Fig. DM17 2-4-9 Z13PDA...

  • Page 94: 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 (SP) and (TU) Assembly ing/unloading mechanism. Since information about the state of the mechanism is provided to the System Install Loading Arm (SP) and (TU) Assembly so Control Circuit only through the Mode Switch, it is that their triangle marks point to each other as...

  • Page 95: Deck Exploded Views

    DECK EXPLODED VIEWS Deck Mechanism View 1 Mark Description Floil G-684G or Multemp MH-D (Blue grease) SLIDUS OIL #150 B494 L1467 L1191 B553 B411 B567 L1053 B410 L1051 Chassis Assembly Top View (Lubricating Point) B501 B560 L1450 L1450 B426 L1466 B121 B126 B492...
  • Page 96 Deck Mechanism View 2 Mark Description Floil G-684G or Multemp MH-D (Blue grease) B587 B521 B487 SLIDUS OIL #150 B416 B591 SANKOUL FG84M (Yellow grease) B520 B590 B522 L1406 B148 B499 B508 B592 B573 B574 B558 B564 B557 B414 B565 B525 L1151 B417...
  • Page 97 Deck Mechanism View 3 Mark Description Floil G-684G or Multemp MH-D (Blue grease) L1321 SLIDUS OIL #150 B347 L1321 B355 B354 B483 L1341 B425 B482 B562 B300 B563 B313 L1474 B529 B360 B359 B361 B555 B561 B303 Some Ref. Numbers are not in sequence. B514 2-6-3 Z13P2HDEX...

  • Page 98: Deck Parts List

    DECK PARTS LIST NOTE: Ref. No. Description Part No. Five different, but interchangeable, types of B558 B300 C DRIVE LEVER(TU) MK12 0VM203773 (LOADING MOTOR) may be installed in these models. B303 F DOOR OPENER MK12 0VM203751C Please confirm B558 (LOADING MOTOR) type by a B313 C DRIVE SPRING MK12 0VM414145...
  • Page 99 Ref. No. Description Part No. B571 P .S.W CUT 1.6X4.0X0.5T 0VM408485A B573 REEL(SP)(D2) MK12 0VM203755 B574 REEL(TU)(D2) MK12 0VM203756 B587 TENSION LEVER ASSEMBLY MK12 0VSA13279 B590 BRAKE ARM(TU) MK12 0VM203752E B591 BAND BRAKE(TU) MK12 0VM305724C B592 TG POST MK11 0VM412550 L1051 SCREW, B-TIGHT M2.6X6 PAN HEAD+ GPMB9060...
  • Page 100 TVCR-A1404/TVCR-B1404/TVCR-C1404/TVCR-D1404/TVCR-A1404T/TVCR-A1404TG T6600EA/T6601BB/T6602FC/T6603RD/T6620EA/T6624EE 2004-03-09...

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