Panasonic NV-FJ630A Service Manual
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Panasonic NV-FJ630A Service Manual

Panasonic NV-FJ630A Service Manual

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ORDER NO. VRD0204020C8
Video Cassette Recorder
NV-FJ630A / NV-FJ630EA / NV-FJ630AM / NV-FJ630EU / NV-
FJ630AU / NV-FJ630BD / NV-FJ630BDX
R4-MECHANISM
SPECIFICATIONS
1

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Summary of Contents for Panasonic NV-FJ630A

  • Page 1 ORDER NO. VRD0204020C8 Video Cassette Recorder NV-FJ630A / NV-FJ630EA / NV-FJ630AM / NV-FJ630EU / NV- FJ630AU / NV-FJ630BD / NV-FJ630BDX R4-MECHANISM SPECIFICATIONS...
  • Page 2 2002 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. INTRODUCTION This service manual contains technical information which will allow service personnel to understand and service this model. If the circuit is changed or modified, this information will be followed by supplementary service manual to be filed with original service manual.

  • Page 3: General Descriptions

    Please refer to the service manual for R4-Mechanism Chassis. (Order No. VRD0202010C8) 2. The Model No. is indicated on the Schematic Diagram and Circuit Board Diagrams as follows. Model No. Indication Mark NV-FJ630A NV-FJ630EA NV-FJ630AM NV-FJ630EU NV-FJ630AU NV-FJ630BD/BDX 2. GENERAL DESCRIPTIONS 2.1.
  • Page 4 Although stored NAVI data can be confirmed on the monitor, there is no way to transfer the NAVI data to IC6001which is newly mounted. 2.1.1. REPLACING PROCEDURE [IC6001] [1.PREPARATION] Before replacing IC6001: 1. Take a note that stored TV broadcast channels. (Because, its user may store TV broadcasts by manually other than "Auto Tuning"...
  • Page 5 Model code, which is necessary in previous model. STEP4.LINE-IN SETTING & ACTIVATE PLUG-IN A.T.P. (FOR EXCEPT NV-FJ630A) 1. Press the Channel up and down keys simultaneously for more than 3 seconds, under the condition of the no tape is in the unit.
  • Page 6 STEP5.PERFORM THE PG SHIFTER ADJUSTMENT Refer to the Electrical Adjustment Procedures. 2.2. CAUTION FOR AC MAINS LEAD (NV-FJ630BD) 2.3. HOW TO REPLACE THE LITHIUM BATTERY 2.3.1. GENERAL DESCRIPTION There is a RAM in the IC6001, which is backing up the following data by using the power source of B6001 (Back-up Battery) and C2013 (Back-up Capacitor: Back-up time is approximately 30 minutes).
  • Page 7 NOTE: The lithium battery is a critical component (Manufactured by Panasonic.) It must never be subjected to excessive heat or discharge. It must therefore only be fitted in equipment designed specifically for its use. Replacement batteries must be of the same type and manufacture.
  • Page 8 2.4.1. CAUTION FOR AUTO TUNING PROCEDURE Auto Tuning will start by the following procedure. 1. Connect the DIN-RF Cable. 2. Connect the AC Mains Lead. 3. Turn on the VCR. Auto Tuning will start. Auto Tuning search for TV stations from VHS minimum to UHF maximum and memorizes every tuned program position.
  • Page 9 4. If the VCR starts playback during Auto Tuning, Auto Tuning will stop halfway. The VCR should be reset and restart by the item 2 in order to execute Auto Tuning. 5. To cancel Auto Tuning Mid-operation, press POWER During Auto Tuning (The VCR is turned off).
  • Page 10 B. Connect three batteries (1.5V spec.) to the Loading Motor in series for supplying 4.5V to rotate the Loading Motor following Fig. S2 Fig. S2 C. Stop unloading just before unloading would be completed as shown in Fig. S3 Fig. S3 D.
  • Page 11 E. Rotate the S-Reel by a small minus screwdriver (Fig. S5 ) to remove the tape slacks as shown in Fig. S6 Fig. S5 Fig. S6 F. Then unload again to remove the cassette tape as shown in Fig. S7 Fig.
  • Page 12 3. Removal by manual operations after uninstalling the mechanism. A. Disconnect the AC plug, and remove the Top Panel, Front Panel and the Mechanism by referring the Disassembly Procedures. B. Remove the Screw (S1) and remove the Loading Motor both shown Fig.
  • Page 13 E. Rotate the Main Cam Gear counter-clockwise again (Fig. S9 ) to remove the cassette-tape as shown in Fig. S7 F. Set the Position Switch to EJECT POSITION certainly as shown in Fig. S10 Fig. S10 G. Install the Loading Motor and tighten screw (S1) as shown in Fig.
  • Page 14 Handle the Cylinder Flexible Card with care. When it damaged, you should replace it with a new Cylinder Unit. 3. Remove a red Screw (S2) and 2 gold Screws (S3) to remove the Cylinder Unit shown in Fig. S11 Fig. S11 NOTE: When reassembling, perform the steps in the reverse order, and perform the PG SHIFTER ADJUSTMENT certainly after CYLINDER UNIT REPLACEMENT.
  • Page 15 (Order No.: VRD0202010C8). 2.6. INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE / (POLISHING TYPE) 1. We are pleased to introduce Panasonic Video Head Cleaning Cassette, VFK0923FT [for service purposes] and VFK0923FSE [ for end users] for all VHS/S-VHS VCP and VCR.
  • Page 16 VFK0923FT (For Service usage) Type of Cassette Full VHS Cassette Cleaning Time 10 Seconds/Time Tape Length 20 m Usability in a Path 180 Times VFK0823FSE (For end users) Type of Cassette Full VHS Cassette Cleaning Time 10 Seconds/Time Tape Length 3.34 m Usability in a Path 30 Times...

  • Page 17: Adjustment Procedures

    Note: The tape material itself is the same in both types. 3. ADJUSTMENT PROCEDURES 3.1. DISASSEMBLY METHOD 3.1.1. DISASSEMBLY FLOW CHART This flow chart indicates disassembly steps of the cabinet parts and the circuit boards in order to find the necessary items for servicing. When reassembling, perform the steps in the reverse order.

  • Page 18: Removal Of The Front C.b.a

    2. REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs (C) Fig. D3 3. REMOVAL OF THE FRONT C.B.A. Remove 2 Screws (D) Fig. D4...

  • Page 19: Removal Of The Mechanism Unit

    4. REMOVAL OF THE MECHANISM UNIT Remove Screw (E) Remove 3 Screws (F) Remove Screw (G) Remove Screw (H) Disconnect Cylinder Connector Disconnect A/C Head Connector Disconnect P1531 Fig. D5...
  • Page 20 5. REMOVAL OF THE MAIN C.B.A. Remove Screw (I) Remove Screw (J) Remove 4 Screws (K) Remove AC CORD HOLDER Fig. D6...
  • Page 21 NOTE: Before mounting the MAIN C.B.A. onto the frame, be sure to confirm that the insulation sheet is mounted on the frame as shown in Fig. D7 Fig. D7...

  • Page 22: Servicing Position

    6. SERVICING POSITION Install the Mechanism Unit on to the MAIN C.B.A.. Then fix a screw (H), and connect two frexible card Connectors (Cylinder connector, AC Head connector) and P1531 as shown in Fig. Fig. D8 3.2. MECHANICAL ADJUSTMENT PROCEDURES Refer to the Service Manual for R4-Mechanism Chassis.
  • Page 23 3.3.2. SERVO SECTION PG SHIFTER ADJUSTMENT PROCEDURE F.I.P. DISPLAY 1. Turn on the Service Mode 1.Press the FF key and the EJECT key simultaneously for more than 3 seconds. 2. Activate the Service Mode 2 While keep pressing FF key, press the EJECT key in twice.

  • Page 24: Waveform Table & Voltage Chart

    NG1 in the PG Shifter Automatic Adjustment (The cylinder rotation is unstable during the automatic adjustment.) NG2 in the PG Shifter Automatic Adjustment (The vertical sync signal is lacked while over 5 seconds on the alignment tape.) NG3 in the PG Shifter Automatic Adjustment (The installing position of Heads to the cylinder is our of specification.

  • Page 25: Block Diagrams

    DIAGRAM 8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM 8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM 8.7. DECODER PACK SCHEMATIC DIAGRAM (NV-FJ630A) 8.8. NICAM DECODER PACK SCHEMATIC DIAGRAM (NV-FJ630EA/BD/ BDX) 8.9. FRONT SCHEMATIC DIAGRAM 9. CIRCUIT BOARD ASSEMBLIES 9.1.

  • Page 26: Casing Parts Section

    10.2. CASING PARTS SECTION...

  • Page 27: Packing Parts Section

    10.3. PACKING PARTS SECTION...

  • Page 28: Replacement Parts List

    11. REPLACEMENT PARTS LIST...
  • Page 29 11.1. CHASSIS PARTS SECTION PARTS LIST Ref. No. Part No. Part Name & Description Remarks VEG1588-R CYLINDER UNIT [MAV] NV-FJ630A/EA/AM/BD/BDX VEG1589-R CYLINDER UNIT [MAV] NV-FJ630EU-S/EU-K/AU VEM0750 CAPSTAN UNIT [MAV] L1AZ00000004 FE HEAD VDG1510 INTERMEDIATE GEAR [MAV] VDG1511 MAIN CAM GEAR...
  • Page 30 WASHER VMX3196 WASHER [MAV] 11.2. CASING PARTS SECTION PARTS LIST Ref. No. Part No. Part Name & Description Remarks VGM1810 TOP PANEL [MAV] NV-FJ630A/EA/AM/EU-S/AU/BD/BDX VGM1855 TOP PANEL [MAV] NV-FJ630EU-K VMP6956 CHASSIS FRAME [MAV] VMP7123 BACK PANEL [MAV] VYP8422 FRONT PANEL (1) UNIT...
  • Page 31 B102 VHD1094 SCREW NV-FJ630A/EA/AM/EU-S/AU/BD/BDX B102 VHD1041 SCREW NV-FJ630EU-K B103 XSB3+5FC SCREW [MAV] B104 XTB3+10JFC SCREW [MAV] B105 XTB3+10JFC SCREW [MAV] NV-FJ630A/EA/AM/EU-S/AU/BD/BDX B105 XTB3+10JFZ SCREW NV-FJ630EU-K B106 XTB3+10JFC SCREW [MAV] NV-FJ630A/EA/AM/EU-S/AU/BD/BDX B106 XTB3+10JFZ SCREW NV-FJ630EU-K B107 XTN26+8JR SCREW [MAV] B108 XTN26+8JR...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks VQT9648 OPERATING INSTRUCTIONS (ENGLISH) [MAV] NV-FJ630A/EA VQT9649 OPERATING INSTRUCTIONS (ENGLISH/ [MAV] NV-FJ630AM(FOR EXCEPT ARABIC) MALAYSIA) VQT9650 OPERATING INSTRUCTIONS (ENGLISH) [MAV] NV-FJ630AM(FOR MALAYSIA) VQT9651 OPERATING INSTRUCTIONS (ENGLISH/ [MAV] NV-FJ630EU-S/EU-K/AU RUSSIAN) VQT9652 OPERATING INSTRUCTIONS (ENGLISH/...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks VEP06E44L MAIN C.B.A. (RTL)[MAV] *1 THE FOLLOWING C.B.A.S ARE INCLUDED IN MAIN C.B.A. VEP04794A,VEP07A16B. VEP06E44M MAIN C.B.A. (RTL)[MAV] *2 THE FOLLOWING C.B.A.S ARE INCLUDED IN MAIN C.B.A. VEP04794A,VEP07A18U. VEP06E44N MAIN C.B.A. (RTL)[MAV] *3 THE FOLLOWING C.B.A.
  • Page 34 Ref. No. Part No. Part Name & Description Remarks VEP06E44P MAIN C.B.A. (RTL)[MAV] *4 VEP06E44Q MAIN C.B.A. (RTL)[MAV] *5 VEP06E44R MAIN C.B.A. (RTL)[MAV] *6 B6001 VSB0205 LITHIUM BATTERY C1120 ECQU2A683MVA P.CAPACITOR 250V 0.068U *1,*2,*4,*5,*6 C1120 ECQU2A333MVA P.CAPACITOR 250V 0.033U C1121 VCK0286B331 CERAMIC CAPACITOR F1BAF331A013...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks C2517 ECUV1E104KBN C.CAPACITOR CH 25V 0.1U F1J1E1040007 C2518 ECJ2VF1C105Z C.CAPACITOR CH 16V 1U C2520 ECJ2VB1E563K C.CAPACITOR CH 25V 0.056U C2551 ECJ2VB1E563K C.CAPACITOR CH 25V 0.056U C2552 ECJ2VB1E563K C.CAPACITOR CH 25V 0.056U C2561 ECJ2VB1E563K C.CAPACITOR CH 25V 0.056U...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks C3065 F1J1H220A618 E.CAPACITOR 50V 22U [MAV] C3301 ECEA0JKS470 E.CAPACITOR 6.3V 47U C3303 ECUV1H103KBN C.CAPACITOR CH 50V 0.01U ECJ2VB1H103K C3304 ECEA0JKS470 E.CAPACITOR 6.3V 47U C3305 ECJ2VB1C224K C.CAPACITOR CH 16V 0.22U C3307 ECJ2VB1C224K C.CAPACITOR CH 16V 0.22U C3405 ECUV1H102KBN...
  • Page 39 Ref. No. Part No. Part Name & Description Remarks C4534 ECQB1H153JM3 P.CAPACITOR 50V 0.015U C4535 ECQB1H153JM3 P.CAPACITOR 50V 0.015U C4536 ECJ2VF1H103Z C.CAPACITOR CH 50V 0.01U C4538 ECJ2VF1H103Z C.CAPACITOR CH 50V 0.01U C4581 ECQB1H473JM3 P.CAPACITOR 50V 0.047U C4582 ECQB1H473JM3 P.CAPACITOR 50V 0.047U C4601 ECEA1CKS100 E.CAPACITOR 16V 10U...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks C7312 ECEA1CKS100 E.CAPACITOR 16V 10U C7312 ECJ1VC1H220J C.CAPACITOR CH 50V 22P *2,*6 C7313 ECEA1CKS100 E.CAPACITOR 16V 10U C7313 ECJ1VF1C104Z C.CAPACITOR CH 16V 0.1U *2,*6 C7315 ECJ2VB1E104K C.CAPACITOR CH 25V 0.1U *2,*6 C7316 ECJ2VF1H104Z C.CAPACITOR CH 50V 0.1U...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks D1110 ERZVA5Z471 TRANSIENT/SURGE ABSORBER D1140 DF08S-6622 DIODE B0KB00000013 D1150 AU01Z DIODE B0HAGM000006 D1152 MA2C18500E DIODE [MAV] *1,*2,*4,*5,*6 D1155 MA2C165001VT DIODE D1157 MAZ40270LF DIODE [MAV] D1158 MA2C18500E DIODE [MAV] *3 D1159 MA2C18500E DIODE [MAV] *3 D1180...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks IC7302 PST7043 *2,*6 C0EAH0000051 IC7501 M35502AFP VEE0T78 EARTH WIRE [MAV] JK3002 VJJ0675 PIN JACK 3-PIN K2HA612B0027 JK4951 K2HA307A0003 JACK [MAV] K3003 D0GDR00JA017 M.RESISTOR 0 [MAV] K4051 D0GDR00JA017 M.RESISTOR 0 [MAV] K6004 ERJ6GEYG103 M.RESISTOR CH 1/10W 10K K7301...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks LB4901 J0JBC0000041 FILTER [MAV] *4,*5 LB4902 D0GDR00JA017 M.RESISTOR 0 [MAV] *1,*2,*3,*6 LB4902 J0JBC0000041 FILTER [MAV] *4,*5 LB7301 VLP0150 COIL *2,*6 J0JCC0000021 LB7303 ERJ6GEY0R00V M.RESISTOR CH 1/10W 0 *2,*6 D0GBR00JA017 LB7601 D0GDR00JA017 M.RESISTOR 0 [MAV] LR1150...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks QR3010 UNR221300L TRANSISTOR RESISTOR QR3011 UNR221300L TRANSISTOR RESISTOR QR3012 UNR221300L TRANSISTOR RESISTOR QR3150 UNR221300L TRANSISTOR RESISTOR QR4001 UN2111 TRANSISTOR UNR211100L QR4003 UNR221100L TRANSISTOR RESISTOR QR4101 UN2111 TRANSISTOR UNR211100L QR4102 UNR221300L TRANSISTOR RESISTOR QR4103 UN2111 TRANSISTOR...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks R2515 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R2519 ERJ6GEYF822 M.RESISTOR CH 1/10W 8.2K R2520 ERJ6GEYG183 M.RESISTOR CH 1/10W 18K R2521 ERJ6GEYG102 M.RESISTOR CH 1/10W 1K R2552 ERJ6GEYG103 M.RESISTOR CH 1/10W 10K R2562 ERJ6GEYF473 M.RESISTOR CH 1/10W 47K R3001...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks R4056 ERJ6GEYG103 M.RESISTOR CH 1/10W 10K R4057 ERJ6GEYJ471 M.RESISTOR CH 1/10W 470 R4073 D0GDR00JA017 M.RESISTOR 0 [MAV] *1,*2,*3,*6 R4073 ERJ6GEYJ471 M.RESISTOR CH 1/10W 470 *4,*5 R4074 D0GDR00JA017 M.RESISTOR 0 [MAV] *1,*2,*3,*6 R4074 ERJ6GEYJ471 M.RESISTOR CH 1/10W 470...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks R6014 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R6015 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R6016 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R6017 ERJ6GEYG332 M.RESISTOR CH 1/10W 3.3K R6018 ERJ6GEYG332 M.RESISTOR CH 1/10W 3.3K R6019 ERJ6GEYG103 M.RESISTOR CH 1/10W 10K R6020...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks R7506 ERJ6GEYF123 M.RESISTOR CH 1/10W 12K R7507 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R7508 ERJ6GEYG221 M.RESISTOR CH 1/10W 220 R7509 ERJ6GEYG392 M.RESISTOR CH 1/10W 3.9K R7510 ERDS2FJ821 C.RESISTOR 1/4W 820 R7512 ERDS2FJ220 C.RESISTOR 1/4W 22 R7513 ERJ6GEYG182...
  • Page 55 Ref. No. Part No. Part Name & Description Remarks VR7301 EVNCYAA03B14 V.RESISTOR 10K X3001 VSX0803 CRYSTAL OSCILLATOR X3002 H0D443400021 CRYSTAL OSCILLATOR H0D443400020 X6001 H0A120500002 CRYSTAL OSCILLATOR [MAV] X6002 VSX1022 CRYSTAL OSCILLATOR X7301 H0H400400006 CRYSTAL OSCILLATOR X7302 H0D245500016 CRYSTAL OSCILLATOR [MAV] *2,*6 MISCELLANEOUS EYF52BC FUSE HOLDER...
  • Page 56 If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be purchased from your local Panasonic Dealer. IF THE FITTED MOULDED PLUG IS UNSUITABLE TYPE B FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY.
  • Page 57 4.43 NTSC L BILINGUAL 443NT [L] BILINGUAL L A. COMP BIL [L] AUDIO COMPONENT SIGNAL BILINGUAL H BIL. [H] A. COMPO AUDIO COMPONENT SIGNAL BILINGUAL L AUDIO DUBBING PAUSE L BIL/M1 [L] A. D.P [L] AUDIO DUBBING PAUSE L BS CLOCK A.
  • Page 58 CYL GND CYLINDER GND FULL. E. 12V FULL ERASE 12V DELAIED FM RECORDING H D.F.M. REC [H] GND (ANALOG) GND [A] DELAIED FM RECORDING L D. FM REC [L] GND (TUNER) GND [TU] D. GND GND/NON SW 12V DIGITAL GND GND/N.
  • Page 59 POWER OFF H LINE IN [R] LINE INPUT (R) P-OFF [H] POWER OFF L LINE OUT [L] LINE OUTPUT (L) P-OFF [L] LINE OUT [R] LINE OUTPUT (R) P. FAIL POWER FAILURE DETECT LP H POWER OFF H LP [H] P.
  • Page 60 SYSTEM CONTROL 5V RF OUT RF OUTPUT SYSCON 5V SYSTEM SW RF Y RF LUMINANCE SIGNAL SYSTEM TAKE-UP PHOTO TRANSISTOR RF. Y. IN RF LUMINANCE SIGNAL INPUT T-PHOTO TAKE-UP REEL PULSE RF. Y. OUT RF LUMINANCE SIGNAL OUTPUT T-RL. PLS TIMER BUS CLOCK ROTAR.
  • Page 61 SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) IC1501 IC1502 IC2001 Ref. No. MODE STOP PLAY IC2501 Ref. No. MODE STOP 12.2 16.2 PLAY 12.3 16.3 12.2 16.3 12.2 16.2 12.3 16.2 3..9 IC2501 Ref. No. MODE STOP 12.2 PLAY 12.3...
  • Page 62 T1150-5 STOP T1150-7 STOP T1150-10 STOP T1150-3 STOP T1150-11 STOP 33Vp-p (5usec.div.) 3.8Vp-p (2msec.div.) 560Vp-p (5usec.div.) 100Vp-p (5usec.div.) 18Vp-p (5usec.div.) T1150-13 STOP T1150-16 STOP Q1200-1 STOP IC2501-22,23,25 PLAY IC6001-13 STILL 40Vp-p (5usec.div.) 76Vp-p (5usec.div.) 0.4Vp-p (5usec.div.) 7.0Vp-p (2msec.div.) 5.0Vp-p (5msec.div.) IC6001-18 REC IC6001-50 REC/PLAY IC6001-52 REC/PLAY...
  • Page 63 NICAM DECODER PACK C.B.A. Integrated Circuit IC7301 IC7302 Test Point TL7301 TL7303 TL7304 Integrated Circuit PK7301 PK7302 ADDRESS INFORMATION (VEP07A18U:NV-FJ630EA) (VEP07A18W:NV-FJ630BD/BDX) IC7301 TL7304 TL7303 TL7301 PK7301 PK7302 NV-FJ630EA/BD/BDX NICAM DECODER PACK C.B.A.
  • Page 64 Transistor & Resistor TW2002 QR3003 TW3001 QR3009 TW4501 QR3010 TW4502 Connector QR3011 QR3012 P1102 QR3150 P1531 QR4001 P2501 QR4003 P2571 QR4101 P3001 QR4102 P4001 QR4103 P4002 QR4104 P5001 QR4501 PK7601 QR4504 PK7602 QR4505 TU7601 QR4506 QR4651 QR6002 ADDRESS INFORMATION NV-FJ630A/EA/AM/EU/AU/BD/BDX MAIN C.B.A.
  • Page 65 (VEP06E44L:NV-FJ630A)(VEP06E44M:NV-FJ630EA)(VEP06E44N:NV-FJ630AM)(VEP06E44P:NV-FJ630EU)(VEP06E44Q:NV-FJ630AU)(VEP06E44R:NV-FJ630BD/BDX) (D/E) (A/B/D/E/F) K3003 R3009 TL4504 C4077 P1531 K1205 QR4104 TU7601 QR4103 R4075 P2501 JK3002 C7617 Q4054 R4073 LB4073 C7618 QR4001 C4055 LB4074 Q4053 R4074 R2509 R2514 R4037 C2510 (D/E) L7607 C4075 C4076 R3017 R4076 C4078 Q4052 (D/E) QR4003 L2501...
  • Page 66 (VEP04794A:NV-FJ630A/EA/AM/BD/BDX) FRONT C.B.A. (VEP04794C:NV-FJ630EU/AU) Connector P4951 ADDRESS INFORMATION (D/E) NV-FJ630A/EA/AM/EU/AU/BD/BDX FRONT C.B.A.
  • Page 67 DECODER PACK C.B.A. Integrated Circuit IC7301 Test Point TL7301 TL7302 TL7303 Adjustment VR7301 Connector PK7301 PK7302 ADDRESS INFORMATION (VEP07A16B:NV-FJ630A) VR7301 TL7303 IC7301 TL7302 TL7301 PK7302 PK7301 NV-FJ630A DECODER PACK C.B.A.
  • Page 68 R3035 R4044 25V3.3 2200 L3303 C3065 NV-FJ630A/EA/AM/EU/AU/BD/BDX LUMINANCE & CHROMINANCE/AUDIO NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 69 PICTURE 1 AV 12V VIDEO 5V NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE WITH PAL COLOUR SIGNAL.(SP MODE)
  • Page 70 5100 9100 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. TIMER SECTION SCHEMATIC DIAGRAM...
  • Page 71 R2510 R2514 R2508 R2515 C2509 16V22 NV-FJ630A/EA/AM/EU/AU/BD/BDX NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SYSTEM CONTROL & SERVO SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 72 Q1502 SAFETY A/B/D/E PNA2604M01 PNA2604M01 10K:C/F (T-PHOTO) (S-PHOTO) S6001 R6037 K0C111A00003 (A/B/C/D/F) SENSOR D1501 C6011 B3EA00000072 R6038 R6009 C6009 25V3.3 ART V/H/N TRACKING ENV. TL2502 POWER ON REG 12V BACK UP 5V NV-FJ630A/EA/AM/EU/AU/BD/BDX SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 73 100:B/F TUNER 5V IIC DATA AUDIO 5V TUNER AUDIO (R) TUNER AUDIO (L) NV-FJ630A/EA/AM/EU/AU/BD/BDX IMPORTANT SAFETY NOTICE: NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS POWER SUPPLY/RF SECTION COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY.
  • Page 74 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. IMPORTANT SAFETY NOTICE: NV-FJ630A/EA/AM/EU/AU/BD/BDX COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. POWER TRANSFORMER SECTION SCHEMATIC DIAGRAM WHEN REPLACING ANY OF THESE COMPONENTS,USE ONLY THE SAME TYPE.
  • Page 75 L7302 AUDIO SIGNAL PATH X7302 VSX0953 C7316 R7327 R7325 8200 SIF2 C7315 NICAM INPUT DEMODULATION NICAM SWITCH VREF1 AGC, C7307 R7302 C7311 FM/AM PK7301 0.01 DEMODULATION SIF1 QPSK/SIF TUNER AUDIO (N) IC7302 NICAM CRESET DEMATRIX VDEC2 PST7043 DECODER TUNER 5V (RESET) IDENTIFI- VSSA3...
  • Page 76 470:D/E 470:D/E FRONT AUDIO (R) FRONT AUDIO (L) (D/E) FRONT VIDEO C4902 C4901 470P 470P NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-FJ630A/EA/AM/EU/AU/BD/BDX ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. FRONT SCHEMATIC DIAGRAM...
  • Page 77 D.FM REC NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE IN THE BRACKETS( )ON THIS DIAGRAM IS RECORD MODE THE MEASUREMENT MODE OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU...
  • Page 78 0.012 0.012 NOTE: DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-FJ630A NOTE:THE MEASUREMENT MODE OF THE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE. ORDERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. DECODER PACK SCHEMATIC DIAGRAM...
  • Page 79 CONTROL CLOCK 2FSC DRIVER DOWN PHASE CONV B.D. KIL 64 SYNCHRONIZATION CONTROL COLOUR KILLER DET. ID DET. KILLER TO/FROM IIC CLOCK SYSTEM SERIAL CONTROL CONTROL INTERFACE IIC DATA NV-FJ630A/EA/AM/EU/AU/BD/BDX NV-FJ630A/EA/AM/EU/AU/BD/BDX LUMINANCE & CHROMINANCE BLOCK DIAGRAM LUMINANCE & CHROMINANCE BLOCK DIAGRAM...
  • Page 80 Y/C VIDEO OUT TO/FROM SYSTEM (C/D/E/F) CONTROL Q7701 SECAM MIX QR3011 QR3009 PICTURE 2 FROM SYSTEM PAL PB CONTROL ART V/H/N QR3003 QR3012 QR3150 Q3007 Q3008 NTSC FROM SYSTEM CONTROL PICTURE 1 PAL CONV. NV-FJ630A/EA/AM/EU/AU/BD/BDX LUMINANCE & CHROMINANCE BLOCK DIAGRAM...
  • Page 81 3 T.PHOTO 7 S.PHOTO 26 SAFETY TAB IC1502 IC1501 (T-REEL SENSOR) (S-REEL SENSOR) TL6013 79 S.REEL TL6012 Q1501 D1501 Q1502 S6001 SENSOR SAFETY TAKE-UP SUPPLY TAB SW PHOTO PHOTO 80 T.REEL NV-FJ630A/EA/AM/EU/AU/BD/BDX SENSOR SENSOR SYSTEM CONTROL & SERVO BLOCK DIAGRAM...
  • Page 82 (C/D/E) P5001 IC3001 AUDIO HEAD P5001 MUTE FROM TUNER/ TUNER AUDIO (N) DECODER FM MODULATOR/ DEMODULATOR NORMAL A.HEAD (W) MUTE SELECT SWITCH TO/FROM AC HEAD & MUTE MUTE SWITCH A.HEAD (R) FROM SYSTEM FM MUTE NV-FJ630A/EA/AM/EU/AU/BD/BDX CONTROL AUDIO BLOCK DIAGRAM...
  • Page 83 Reset/ No Terminal Name I/O Description P.OFF P.Failure Release Terminal for the signal that changes FE oscillation frequency (130KHz/70KHz) for 75 TAPE REFRESH (H) TAPE REFRESH. Power supply terminal for the capstan motor control. High High 76 CAP.ET (Conpared with the driver reference voltage, when it is "low", current will be cut. Also PWM=0V PWM=0V when it is "high", the rotation speed will be accelerated.)
  • Page 84 61 PAL 9H (For NV-FJ630A/EA) High fix. 62 SW2 (For other than NV-FJ630A/EA) AUDIO SYSTEM = BG, DK: High is output. AUDIO SYSTEM = I, M: Low is output. NAVI writing terminal. * During NAVI data being written (During recording when JET NAVIGATOR is ON).
  • Page 85 Reset/ No Terminal Name I/O Description P.OFF P.Failure Release SAFETY TAB DETECTION 26 STAB(L) *With SAFETY TAB: "Low" *Without SAFETY TAB:"High" This terminal has two purposes. 1.Compulsory Normal Audio selection. 2.Trigger for Audio auto Adjustment. 27 ABS_NORMAL *Compulsory Normal Audio sel.:"Low" level. (ADUBPS/HiFi_Audio envelope being low.) *Other than above : "High"...
  • Page 86 I Input terminal of the Video envelope signal. (For NV-FJ630A/EA) VV: VHS: 0 ~ 1.25V SQPB: over than 1.25V EE: VHS fix. (For other than NV-FJ630A/EA) VV: VHS: 0~1.25V 10 SQPB/SE/VHS SQPB: 60Hz & over than 1.25V 50Hz & over than 3.25V MESCAM: 50Hz &...

  • Page 87: Power Transformer Section In Main Schematic Diagram

    8 SCHEMATIC DIAGRAMS 8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY CAUTION FROM THE SECONDARY CIRCUIT. PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS.
  • Page 88 R1204 12K: R1156 R1205 R1206 C1200 A/B/D/E/F R1209 33:A/B/D/E/F 2200 4700:C 330:C R1203 24K: R1202 A/B/D/E/F 2200 30K:C THIS SCHEMATIC DIAGRAM FOR E REFER TO PARTS LIST. NV-FJ630A/EA/AM/EU/AU/BD/BDX POWER TRANSFORMER SECTION SCHEMATIC DIAGRAM GE ON THIS DIAGRAM IS STOP MODE.

  • Page 89: Power Supply/ Rf Section In Main Schematic Diagram

    8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN REC MODE :TO TIMER SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO Hi-Fi AUDIO SECTION QR6002 Q4682...
  • Page 90 PK7602 IIC CLOCK 100:B/F IIC DATA TUNER AUDIO (R) TUNER AUDIO (L) NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS POWER SUPPLY/RF SECTION SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU SCHEMATIC DIAGRAM ORDER A PART,PLEASE REFER TO PARTS LIST. HIS DIAGRAM IS STOP MODE.

  • Page 91: Timer Section In Main Schematic Diagram

    8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER TRANSFORMER SECTION DP7501 :TO POWER SUPPLY/RF SECTION A2BD00000049 :TO SYSTEM CONTROL & SERVO SECTION S-VHS Link R7512 HEATER(+) HEATER(-) D7502 C7505 R7510 MA4220M 35V10 R7504 UNREG -29V IC7501 M35502AFP R7507 S.DATA R7508 S.CLOCK C7501...
  • Page 92 S7508 S7509 S7510 S7513 EVQ11G09K EVQ11G09K EVQ11G09K EVQ11G09K R7517 R7519 R7518 R7502 R7522 3900 3600 5100 9100 NV-FJ630A/EA/AM/EU/AU/BD/BDX ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR HEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. TIMER SECTION SCHEMATIC DIAGRAM...

  • Page 93: System Control & Servo Section In Main Schematic Diagram

    8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM P :TO POWER TRANSFORMER SECTION CAPSTAN SERVO SPEED LOOP CAPSTAN SERVO PHASE LOOP :TO POWER SUPPLY/RF SECTION :TO TIMER SECTION :TO LUMINANCE & CHROMINANCE & AUDIO SECTION A :TO Hi-Fi AUDIO SECTION IC6002 C2518 C0EBH0000172...
  • Page 94 12MHz IN D(-) D VDD R6003 C6004 150K X6002 D(+) 32KHz OUT VSX1022 32KHz IN C6003 RESET POSI.SW1 POSI.SW2 /T1/T2 POSI.SW3 TL7509 R6023 TW2001 TL7510 3300 C6021 C6007 SAFETY S6001 K0C111A00003 V3.3 TL2502 NV-FJ630A/EA/AM/EU/AU/BD/BDX SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 95 DIFFERENTIAL PG/FG COMPOSER PG OUT R2520 R2506 R2552 R2501 R2502 C2508 1800P C2551 C2552 L2501 0.056 0.056 R2509 R2521 C2501 C2502 6V220 C2513 C2510 C2517 C2511 R2510 R2514 R2508 R2515 C2509 16V22 NV-FJ630A/EA/AM/EU/AU/BD/BDX SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 96 CAP R/F R2562 P2501 (TO CYLINDER UNIT) PG (-) PG (+) NV-FJ630A/EA/AM/EU/AU/BD/BDX NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SYSTEM CONTROL & SERVO ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. SECTION SCHEMATIC DIAGRAM...
  • Page 97 8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRA VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION :TO Hi-Fi AUDIO SECTION TUNER 5V AUDIO IN (R) Q3005 AUDIO IN (L)
  • Page 98 2200 R3049 Q3009 3900 2SB709A (AMP) QR3011 UN2213 (INV.) C4008 2200P C4004 R4018 1800P QR4003 UN2211 D1149 (PAL 9H :ON) :ON) D601A :ON) NV-FJ630A/EA/AM/EU/AU/BD/BDX OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 99 C4002 R4012 C4014 C4041 C3001 C4012 C4013 C4043 C3006 C3007 A/B/C/F 16V10 1800P 25V4.7 16V10 6V22 0.15 LB4077 J0JBC0- 0:A/B/C/F 000070: C3062 C3004 J0JBC0000070: R3003 120P 1500 R3008 R3007 C4011 R4044 2200 25V3.3 NV-FJ630A/EA/AM/EU/AU/BD/BDX LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 100 25V3.3 16V10 50V1 50V2.2 50V1 0.01 R3008 R3007 R3035 2200 L3303 C3065 NV-FJ630A/EA/AM/EU/AU/BD/BDX LUMINANCE & CHROMINANCE/AUDIO NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 101 8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PL :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION C4536 C4517 0.01 6V100 C4516 R4539 16V10...
  • Page 102 16V10 R4586 R4532 4700 C4582 0.047 C4505 6V33 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS NV-FJ630A/EA/AM/EU/AU/BD/BDX HIS DIAGRAM IS PLAYBACK MODE SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU Hi-Fi AUDIO SECTION SCHEMATIC DIAGRAM ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 103 8.7. DECODER PACK SCHEMATIC DIAGRAM (NV-FJ630A) PK7301 R7315 C7318 R7316 1500 16V10 6800 TUNER AUDIO (N) R7309 R7314 C7326 TL7302 3600 1500P IC7301 TUNER 5V TDA9873H C7316 C7317 6V100 R7308 R7307 C7327 C7328 C7310 6800 6800 1500P 1500P 0.01 C7313...
  • Page 104 R7306 R7305 5600 9100 X7301 C7307 C7304 VSX1086 680P 680P C7306 C7305 0.012 0.012 NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-FJ630A DERING. WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. DECODER PACK SCHEMATIC DIAGRAM...
  • Page 105 8.8. NICAM DECODER PACK SCHEMATIC DIAGRAM (NV-FJ630EA/BD/BDX) L7302 C7316 SIF2 C7315 INPUT SWITCH VREF1 AGC, C7307 R7302 C7311 PK7301 0.01 SIF1 QPSK/SIF TUNER AUDIO (N) IC7302 CRESET PST7043 TUNER 5V (RESET) IDENTIFI- VSSA3 CATION VDDA3 C7343 L7301 2200P C7308 C7312 R7305 50V2.2 IIC BUS...
  • Page 106 AUDIO SIGNAL PATH X7302 VSX0953 C7316 R7325 R7327 8200 NICAM INPUT DEMODULATION NICAM SWITCH AGC, FM/AM DEMODULATION NICAM DEMATRIX VDEC2 DECODER IDENTIFI- VSSD2 CATION 2 CHANNEL LB7301 ANALOG/ DIGITAL LEVEL VLP0150 SATELLITE SELECTOR ADJUST VDDD1 DECODER C7325 IIC BUS VSSD1 INTERFACE VSSA1 POST FILTER...

  • Page 107: Front Schematic Diagram

    8.9. FRONT SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE JK4951 K2HA307 (AV2) P4951 FRONT AUDIO (R) FRONT AUDIO (L) FRONT VIDEO NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
  • Page 108 JK4951 K2HA307A0003 (AV2) VIDEO AUDIO AUDIO IN (L) IN (R) LB4901 LB4902 A/B/C/F A/B/C/F VLP0147: VLP0147: R4902 R4901 A/B/C/F A/B/C/F 470:D/E 470:D/E (D/E) C4902 C4901 470P 470P NV-FJ630A/EA/AM/EU/AU/BD/BDX FRONT SCHEMATIC DIAGRAM...
  • Page 109 Order No.VRD0202010C8 Video Cassette Recorder R4-MECHANISM-CHASSIS SPECIFICATIONS INRTODUCTION The R4-Mechanism chassis are built in several Panasonic VHS Video Cassette Recorders from year 2002. 2002 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 110 CONTENTS 1.OUT LINE OF R4 MECHANISM..……………………………………………………………………….….…3 1-1.DIFFERENCE BETWEEN Z-MECHANISM AND R4-MECHANISM..…………………….……..… 3 1-2.THE TAPE TRANSPORT PATH...…………………………………………………………………..…..3 1-3.PARTS NAME OF R4 MECHANISM……………………………………………………………….…..4 1-4.NEW DD CYLINDER UNIT.……………………………………………………………………….…… 6 1-5.PG SHIFTER AUTOMATIC ADJUSTMENT.…………………………………………………….…… 7 2.REMOVAL OF CASSETTE TAPE…………………………………………………………………..….……..9 3.REMOVAL OF CASSETTE HOLDER UNIT & MECHANISM CHASSIS………….………………….…11 3-1.REMOVAL OF MECHANNISM CHASSIS UNIT…………………………………………………….11 3-2.REMOVAL OF CASSETTE HOLDER UNIT..…………………………………………………….….11 4.DISASSEMBLY/ASSEMBLY METHOD FOR MECHANISM ……………………….…………………….12...
  • Page 111 1. OUTLINE OF R4 MECHANISM 1-1.DIFFERENCE BETWEEN Z-MECHANISM AND R4-MECHANISM Item Z-Mechanism R4-Mechanism Frame The sheet metal frame The sheet metal frame. The mechanism Spacer (R) & (L) for mechanism mounting are added. Rear Panel ABS plastic Sheet metal Front Panel Unit Standard Removal of the front panel becomes easy because of decreasing the hooking...
  • Page 112 1-3.PARTS NAME OF R4-MECHANISM Fig.M2...
  • Page 113 Ref. No. Part Name Ref. No. Part Name CYLINDER UNIT SCREW CAPSTAN UNIT SCREW FE HEAD SCREW INTERMEDIATE GEAR SCREW MAIN CAM GEAR SCREW IDLER GEAR SCREW IDLER GEAR SCREW CHANGE GEAR SCREW REEL TABLE SCREW REEL TABLE SCREW CAPSTAN BELT SCREW CHANGE GEAR SPRING SCREW...
  • Page 114 1-4. NEW DD CYLINDER UNIT Three phases sensor-less RDD system instead of Matsushita original GLDD/UDD system is adopted for standardization. NOTE: Replacing only Upper Cylinder unit of RDD cannot be performed, as securing of RT gap is impossible in a place other than factory, replace the cylinder as a whole RDD Cylinder Unit.
  • Page 115 1-5. PG SHIFTER AUTOMATIC ADJUSTMENT The PG Shifter Adjustment is performed automatically on this VCR. The PG Shifter Adjustment should be performed after replacement of the DD Cylinder, System Control Microprocessor and Main C.B.A. 1-5-(1). ADJUSTMENT PROCEDURE PROCEDURE F.I.P. DISPLAY Turn on the Service Mode 1.Press the FF key and the EJECT key simultaneously for more than 3 0 00 00...
  • Page 116 1-5-2. X-VALUE and LINEARITY (P2 and P3 Posts) ADJUSTMENT 1. Set the Auto Tracking to off. (1) Press the FF key and the EJECT key simultaneously for more than 3 seconds. (2) While keep pressing FF key, press the EJECT key in twice. 2.

  • Page 117: Removal Of Cassette Tape

    2. REMOVAL OF CASSETTE TAPE d. Then the tape becomes slack as shown in Fig.S4. When the cassette tape could not be ejected from an electrical malfunction, There are 2 ways to remove a cassette tape. 1. Removal by compulsory unloading. a.
  • Page 118 f. Then unload again to remove the cassette tape as shown in Sig.S7. Capstan Motor Main Cam Gear Fig.S7 Fig.S9 3. Removal by manual operations after removing the Rotate the Main Cam Gear counter-clockwise again Mechanism Unit. (Fig.S7) to remove the cassette-tape as shown in Disconnect the AC plug, and remove the Top Panel, Fig.S8.
  • Page 119 3. REMOVAL CASSETE HOLDER UNIT & MECHANISM CHASSIS 3-2. REMOVAL OF CASSETTE HOLDER 3-1. REMOVAL OF MECHANISM CHASSIS UNIT UNIT 1. Remove the Top Panel and the Front Panel. 1. Remove 2 Red Screws and unlock 3 Locking tabs to remove the Cassette Holder.

  • Page 120: Disassembly Of Mechanism

    4. DISASSEMBLY /ASSEMBLY Idler Arm Unit METHOD FOR MECHANISM 4-1. DISASSEMBLY OF MECHANISM Remove Take-up Brake Spring, Take-up Brake Arm and Take-up Reel Table. Take-up Reel Table LED Prism Idler Gear Fig.D4 Remove Tension Spring Take-up Brake Spring Take-up Brake Arm Fig.D1 Take-up Brake Arm Unit Take-up Reel Table...
  • Page 121 Remove Cut Washer of the Main Cam Gear, and remove Main Cam Gear and Sector Gear Unit. Main Cam Gear Tension Arm Unit Supply Reel Table Supply Brake Arm unit Sector Gear Unit Fig.D7 Cut Washer Remove Opener Piece, Pinch Arm Unit and P5 Arm Unit Fig.D10 in order.
  • Page 122 Remove the Cut Washer, and push the Main Lever rightward to the limit and remove the Main Lever, and Supply Loading Arm Unit turn over the Mechanism Chassis and remove the Pinch Charge Arm shown in Fig.D8. Cut Washer Loading Loading Take-up Loading Arm Unit Fig.D16...
  • Page 123 Torque Clutch (14) Remove a Screw for A/C Head Unit, and remove the A/C Head Unit. A/C Head Unit Intermediate Gear Change Gear Fig.D19 (13) Remove 2 Screws for the Stator and 3 Screws for the Capstan Unit, and remove the Capstan Unit. 2 Screws for Stator A Screw for A/C Head Unit Fig.D22...
  • Page 124 4-2. ASSEMBLY PHASE (1) Install the Loading Motor Unit not to scratch the Worm ADJUSTMENT OF MECHANISM Gear, and tighten the Screw for the Loading Motor Unit. Loading Motor Unit Worm Gear NOTE: When install the replacement parts to Chassis ; apply the Floil Grease (VFK1298A).
  • Page 125 Pinch Arm Unit Opener Piece 3 Screws for Capstan Unit Fig.A5 2 Screws for Stator P5 Arm Pinch Charge Arm Fig.A9 Note: Install the Spring of Pinch Arm Unit into the Hole of Pinch Charge Arm as shown in Fig.A10. Spring of the Pinch Arm Unit Stator Capstan Unit...
  • Page 126 (8) Install the Take-up Loading Arm Unit. Take-up Shaft Holder Unit NOTE: When install the replacement parts; apply the Floil Grease (VFK1298A). Take-up Loading Arm Unit Supply Shaft Holder Unit Fig.A12 (6) Install the Intermediate Gear, Torque Clutch and Cut Fig.A15 Washer in order.
  • Page 127 Phase Adjustment NOTE: When install the replacement parts; apply the Floil Grease (VFK1298A). Main Lever Take-up Loading Arm Gear Supply Loading Arm Gear a) Inside Fig.A18 (10) Set the Concave portion of Take-up Loading Arm Gear to the position shown in Fig.A19. b) Outside Fig.A20 Concave portion of Take-up Loading Arm Gear...
  • Page 128 (12) Push the Main Lever leftward to adjust the phase so that (14) Install the Change Gear Spring through the shaft for the hole of Main Lever is met with the hole of Chassis as Change Gear. shown in Fig.A16. Change Gear Spring Phase Adjustment Fig.A26...
  • Page 129 (17) Install the Main Cam Gear so that the Phase Adjustment (19) Install the Supply Brake Arm Unit. Hole of Main Cam Gear is met with the hole of Chassis, and install the Cut Washer. Supply Brake Arm Unit NOTE: When install the replacement parts;...
  • Page 130 (23) Confirm that the Idler Gears are installed onto the Idler Tension Arm Arm, and install the Idler Arm to Chassis. (Bottom View) Idler Gears Tension Arm Boss (Bottom View) Idler Arm Fig.A37 (24) Install the LED Prism and turn it counter-clockwise. LED Prism Fig.A35 (22) Install the Tension Spring to the Supply Brake Arm Unit.
  • Page 131 (26) Install the Take-up Brake Arm Unit, and then hook the INSTALLATION OF THE SLOT-IN UNIT Take-up Brake Spring to Chassis. (28) Confirm the phase of Sector Gear. Take-up Brake Arm Unit Take-up Brake Spring Fig.A40 Confirm that the Adjustment Holes Sector Gear...
  • Page 132 (34) Place the Mode Switch to EJECT position. Sharp edge of Wiper Arm R Fig.A49 (35) Install the Mechanism Chassis onto the Main C.B.A., and Sector Gear Hole tighten three Black Screws and three Red Screws with Fig.A46 earth lead, and connect two Flexible Card Connectors (Cylinder and A/C Head) and P1531.
  • Page 133 5-2. TAPE INTERCHANGEABILITY 5. MECHANICAL ADJUSTMENT ADJUSTMENT PROCEDURE Carry out the following procedures for Tape Interchangeability 5-1. P2 AND P3 POST ADJUSTMENT Adjustment to do it correctly and smoothly. (PREADJUSTMENT) (1) P2 AND P3 POST ADJUSTMENT Equipment required: (2) ADJUSTMENT OF P4 POST Post Adjustment Screwdriver (VFK0329) (3) HEIGHT ADJUSTMENT OF A/C HEAD (1) Remove the Top Plate.
  • Page 134 (5) If the envelope appears like “D” or “E” in Fig.M5, then adjustment of the tape guide post (P3: Exit) is necessary. (6) Adjust the tape guidepost (P3) in the same manner as the P2 post so that the exit portion becomes flat as shown in Fig.M8”F”.
  • Page 135 Aim for P2, P3 Posts Adjustment Post Name Adjustment Method Envelope Turn P2 Post counter-clockwise P2 Post (Approx. 1/2 revolutions) P2 Post Turn P2 Post clockwise (Approx. 1/4 revolitions) P3 Post Turn P3 Post clockwise (Approx. 1/2 revolutions) P3 Post Turn P3 Post counter-clockwise (Approx.
  • Page 136 5-2-(3). HEIGHT ADJUSTMENT OF A/C Turn screw (A) clockwise until the wrinkle disappears on HEAD the lower edge of tape at P4 Post. < When moving the A/C Head up > (4) Turn the screw (C) until the audio signal is maximized. Rotate the screw (A) counterclockwise until the wrinkle NOTE: appears on the lower edge of tape at P4 Post.
  • Page 137 5-2-(6). FINE-ADJUSTMENT OF X-VALUE Equipment Required: Fine Adjustment Gear Driver (VFK0330) (1) Connect the oscilloscope to the audio output and the video output. Both output signals should be fixed by the External trigger. (2) Playback the Alignment Tape and set the tracking control into center fix position.
  • Page 138 Servicing Fixture & Tools VFJ8125H3F VFK0132 VFK0335 PAL VHS Alignment Tape Back Tension Meter Retaining Ring Remover (Tentelometer, Made in U.S.A.) (3mm/4mm) VFM8080HQFP NTSC VHS Alignment Tape VFK0326 VFK0329 VFK0330 Hex. Wrench Set Post Adjustment Screwdriver Fine Adjustment Gear Driver (0.7,0.9,1.2,1.5,1.6,2.0,2.4,3.0mm) VFK27 VFK1024...

  • Page 139: Service Information Display

    6. SERVICE INFORMATION DISPLAY <FIP> Service Mode Number Indicates the circuit to be checked. Service Information Number Indicates which circuit senses a malfunction. Service Data Number Indicates the condition of the circuit and/or the position of the mechanism. Fig.D1 Service Information Display 6-1.
  • Page 140 Service Contents Contents of Indication Contents of Indication Remarks Number on minute on second Indication Mechanism position Ordering for the Motors There are next conditions in the inner data (Real time) (Real time) this mode for enable the of IC6001 mechanism operations without a cassette tape.
  • Page 141 7. SELF- DIAGNOSIS INDICATION DISPLAY This VTR has a self-diagnosis and display function. If the VTR detects trouble during installation or during use, one of the following Error Codes will automatically appear in the VTR display. Error Codes are displayed in the form of a single English letter followed by two numbers, as for example ”H01”.
  • Page 143 7-1. TABLE OF DETECTING CONDITION AND MOVEMENT OF MECHANISM IN DETECTING OF THE SELF-DIAGNOSIS FUNCTION Indica Condition of the Detection Movement of the Mechanism Remedy Automatic tion /Check Indication Dew formation “U10” is indicated on the FIP when the dew is detected. If the voltage at the dew detection input terminal is over 1.36VDC, it “10”...
  • Page 144 Indica Condition of the Detection Movement of the Mechanism Remedy Automatic tion /Check Indication The position signal can not be detected within the regulated time In the first detection after the mode shift is started, the detection result is Please check the for the shift to the aiming position except EJECT position during not judged an Error, and the Mechanism Initial Operation is performed.
  • Page 145 Indica Condition of the Detection Movement of the Mechanism Remedy Automatic tion /Check Indication The capstan FG is not output when Cassette is inserted. (There is “15” is memorized on the self- diagnosis history, when the Error is Please check the a possibility of the capstan system Error.) detected.
  • Page 146 Indica Condition of the Detection Movement of the Mechanism Remedy Automatic tion /Check Indication T-reel lock detection in constant running of the T-reel. “18” is memorized on the self- diagnosis history. Please check If the T-reel pulses could not be detected over the regulated time while The mechanism is shifted to LOAD position and tape rewinding is mechanism T-reel...
  • Page 147 7-2. MEMORY OF THE SELF-DIAGNOSIS HISTORY AND THE SUPPLEMENTARY DATA This is effective only in Service Mode 3, 4, 5. (1) Error Number and Supplementary Data (Sample) The Supplementary Data for each Error number are memorized. Memory No. Reason Supplementary Data (Error No.) Data 1 Data 2...
  • Page 148 * Explanation of “Tape position” of the Supplementary Data The Tape position Data is the area data of S-reel that is used for judgement of reducing speed in the Main microprocessor IC6001, and as the tape position is moved from the starting edge to the finishing edge, the value becomes smaller. The Tape Data does not become “0”...
  • Page 149 7-3. CHANGE OF MEMORY TIMING FOR ERROR NO. F03 & F04 The F03 means that the mechanism lock has been detected other than during unloading and/or cassette-up condition. The F04 means that the mechanism lock has been detected during unloading condition. There are many cases that initial operation is performed once after mechanism lock F03 or F04 has been detected and then the VCR returns to the normal condition.
  • Page 150 Self-Diagnosis history and Memory of the supplementary data Supplementary Data Memory Reason (Error No.) Data 1 Data 2 Data 3 Data 4 20/21/22/23 An error during PG Shifter VCR mode No Data Process No. No data Automatic Adjustment exceptional ejection VCR mode Reason Process No.
  • Page 151 A. Service number: 3 B. Memory number: 04(Mechanism lock during Unloading) C. Supplementary data 1(VCR Mode): 0(STOP) D. Supplementary data 2(Stand by position): 4(LOAD position) (Sample) E. Supplementary data 3(Process number): 12 F. Supplementary data 4(LM data): 02(Mechanism position has been changed) * Details of “VCR mode”...

  • Page 152: Test Mode

    * Description of “OPM” (VCR mode) OPM (VCR mode) OPM (VCR mode) STOP 0x00 RSTILL 0x19 EJECT 0x01 SYPLAY 0x28 0x02 AIREC 0x2a 0x03 SYRECPS 0x2b 0x04 SYINSERTPS 0x2f 0x05 SHREW 0x42 SLOW 0x06 SHFF 0x43 POWEROFF 0x07 SHPLAY 0x48 PLAY 0x08 REMSTOP...

  • Page 153: System Control Circuit

    10. SYSTEM CONTROL CIRCUIT MECH. CONTROL MATRIX SYSTEM TIMER IC CONTROL SAFETY DEVICE DISPLAY OTHERS 10-1. MODE TRANSITION The relation between the present mode and operation key is shown in the following table. 10-1-1. Basic mode action (without EDIT function) Present Operation Key mode...
  • Page 154 10-2. BASIC ACTION IN MECHANISM 10-2-1. Position SW and main action at each position There are 7 kinds of absolute position and undefined sections between each position in R4 mechanism. They are regulated as follows, according to the input from position switch. Cassette Out >>>>>...
  • Page 155 10.3. SUPPLY AND TAKE-UP SENSORS Supply and Take-up phototransistors are used to sense the beginning and end of tape. The tapes has transparent leaders enter the tape transport path, they allow infrared light from the sensor LED to reach either one of the tape end sensors (phototransistor).

  • Page 156: Dew Sensor

    10-5. DEW SENSOR If excessive moisture or condensation is present inside the machine (an internal humidity of more than 98%) the unit will stop if running. Until the moisture level decreases only the Eject mode will operate. To sense the humidity, a dew sensor is used. The sensor is a special variable resistor, which change resistance ambient humidity.
  • Page 157 10-6-3. Detecting reel lock During tape running such as PLAY, CUE/REV or FF/REW, if reducing tape speed or reel mount stop is detected, these are recognized as reel lock. In this case, in order to protect tape and capstan driver, switch the VCR mode to STOP, or switch the tape running drive to capstan drive from reel drive.
  • Page 158 10-6-4. Detecting cylinder lock When cylinder Error in starting or lock in modes that cylinder rotates, such as PLAY, CUE/REV or FF/REW is detected, following actions are performed to protect tape. Cylinder condition Lock detection Starting When the rotation has not reached the fixed rotation speed within 5 sec. after stop condition, starting error is detected and the unload starts up to DOWN position keeping VCR mode.

  • Page 159: Motor Drive Section

    11. MOTOR DRIVE SECTION The motor drive (Capstan, Cylinder & Loading motor) IC becomes all new. Both of the cylinder motor drive circuit and the loading motor drive circuit are included in IC2501. 11-1.CAPSTAN DRIVE CIRCUIT There are two major different points between Z-Mechanism and R4-Mechanism described as follows: Z-Mechanism R4-Mechanism 1.
  • Page 160 2.R4 Mechanism employs PWM (Pulse Width Motor) as Capatan Motor Drive Signal in REC or PLAYBACK mode To improve power consumption value, R4-Mechanism uses PWM signal as Capstan Motor drive signal instead of Linear driving signal which is used in Z-Mechanism. CAPSTAN MOTOR DRIVING SIGNAL Z-Mechanism (Linear drive signal) R4-Mechanism (PWM drive signal)
  • Page 161 PWM Input [ In the positive period] PWM Input Wave form at Q2-b (Motor Power) The motor current in positive period of PWM drive is flows as follows. L × 2 VM1→ Q2→ L→ Q3→ R PWM Input [In the negative period] PWM Input Wave form at Q2-b...
  • Page 162 11-2.CYLINDER DRIVE AND LOADING MOTOR DRIVE CIRCUIT The Cylinder and Loading Motor IC is combined one piece of IC named IC2501. The simplified block diagram and I/O chart for IC2501 are shown below. IC2501 (BD6656FP-E2) I/O CHART PIN NO. TERMINAL NAME DESCRIPTION Power of the loading section.

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