Panasonic NV-FJ710PM Service Manual
Panasonic NV-FJ710PM Service Manual

Panasonic NV-FJ710PM Service Manual

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ORDER NO. VRD0104024C7
Video Cassette Recorder
NV-FJ710PM
Z-MECHANISM
SPECIFICATIONS
2001 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.
Note:
1

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Summary of Contents for Panasonic NV-FJ710PM

  • Page 1 ORDER NO. VRD0104024C7 Video Cassette Recorder NV-FJ710PM Z-MECHANISM SPECIFICATIONS 2001 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.
  • Page 2: General Descriptions

    Adjustment procedures, Disassembly Procedures and Assembly Procedures for Mechanism Chassis are separate volume from this service manual. / Please refer to the service manual for Z- Mechanism Chassis. (Order No. VRD9802005C2) 2. GENERAL DESCRIPTIONS 2.1. SERVICE CAUTION-1 When the Microprocessor IC6001 and/or Back-up battery B6001 are replaced, read following procedure carefully and proceed it.
  • Page 3 line/Components, otherwise, IC6001 may be broken. [2. HOW TO CONFIRM THE “NAVI.” DATA WITHOUT INSERTING A TAPE INTO VCR?] 1. Indicate the “NAVI” mark on the Front information Panel. / (Press the Menu button and select the option, then set the “NAVI” to ON mode.) 2.
  • Page 4 [STEP 2. “NAVI” DATA BACK-UP] PROCEDURE F.I.P. DISPLAY Turn on the Service Mode. 1. Press FF and EJECT keys / simultaneously for more than / 3 seconds. Turn on the Service Mode 2. 2. Press FF and EJECT keys in twice. Turn on the Set-up mode.
  • Page 5 REPLACE THE LITHUM BATTERY” section. [STEP 4. RESET THE IC6001 AT ONCE] 1. Connect the AC plug. 2. Connect a jumper wire between TL7510 and TW6090 (GND) for a second to reset the Microprocessor IC6001. Note: Since the resistance at pin 1 as well as pin 2 of IC6001 decides the model distinction data, no need to set up the Model code, which is necessary in previous model.
  • Page 6: How To Replace The Lithium Battery

    PROCEDURE F.I.P. DISPLAY Turn on the Service Mode. 1. Press FF and EJECT keys / simultaneously for more than / 3 seconds. Turn on the Service Mode 2. 2. Press FF and EJECT keys in twice. Turn on the Back-up mode. 3.
  • Page 7 (See Fig.B1) Fig.B1 NOTE: The lithium battery is a critical component (Type No.:CR2354-1GUF Manufactured by Panasonic.) It must nerver be subjected to excessive heat or discharge. It must therefore only be fitted in equipment designed specifically for its use.
  • Page 8 2.3. SERVICE CAUTION-2 2.3.1. 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 searches for TV stations from VHF minimum to UHF maximum and memorizes every tuned program position.
  • Page 9: Checking Of Main C.b.a

    then turn the VCR off and on again to execute Auto tuning. 2. When Auto Tuning is canceled halfway, Auto Tuning is not executed even if the VCR is turned off and then turned on again. / In this case, Auto Tuning have to be restarted by the following procedure.
  • Page 10 There are 2 ways to remove a cassette tape. 1. Removal of compulsory loading. A. Press FF and EJECT buttons simultaneously and set the Service Mode 7. B. Press STOP button in order to unload the mechanism. (Pay an attention of tape slack) Service Mode Indication: 7 ** ** (STOP) 7 00 ** (EJECT)
  • Page 11: Cylinder Unit Replacement

    1. CYLINDER UNIT REPLACEMENT A. Remove the Mechanism unit from MAIN C.B.A./Chassis by referring “Disassembly Procedure”. B. Remove the 3 screws (A) of the CYLINDER UNIT with a screw driver. C. Unlock the 4 locking tabs (B) and disconnect the Cylinder flexible card from the FPC Holder.
  • Page 12 3. UPPER CYLINDER ASSEMBLY When reassembling, perform the steps in the reverse order. Notes: A. Install the Cylinder Retainer so that the 2 holes on top of the Cylinder Retainer are at right angles with the P5001 Connection. B. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer.
  • Page 13: Flat Card Cable Installation

    C. Install the Cylinder Rotor Unit so that the inner hole of the Cylinder Rotor Unit fits to the small projection (D) on top of the Upper Cylinder. D. Tighten 2 screws (B). Fig. S9 E. Install the Cylinder Stator Unit. F.
  • Page 14 Refer to the Service Manual for Z Mechanism Chassis. (Order No.:VRD9802005C2) 2.5. 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/SVHS VCP and VCR.
  • Page 15: Adjustment Procedures

    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. Fig.
  • Page 16: Detail Of Disassembly Method

    3.1.2. DETAIL OF DISASSEMBLY METHOD 1. REMOVAL OF THE TOP PANEL Remove 2 Screws (A) Fig. D2...
  • Page 17 2. REMOVAL OF THE FRONT PANEL UNIT Pull out JOG and SUTTLE Knob (B-1) Unlock 7 Tabs (B-2) Fig. D3 3. REMOVAL OF THE CYLINDER STATOR C.B.A. Remove 2 Screws (C) Disconnect Flat Card Cable (D) Fig. D4...
  • Page 18 4. REMOVAL OF THE FRONT JACK C.B.A. Unlock 2 Clows (E) Connector PS4801 Unlock 3 Tabs (F) Fig. D5 5. REMOVAL OF THE JOG SHUTTLE C.B.A. Unlock 2 Clows (G) Connector PS6301 Unlock 2 Tabs (H) Fig. D6...
  • Page 19: Removal Of The Mechanism Unit

    6. REMOVAL OF THE MECHANISM UNIT Remove 3 Screws (I) Remove 2 Screws (J) Remove Screw (K) NOTE: Keep pressing 2 stoppers on the Cassette Holder Plate and press the Cassette Holder Plate to the rear. / [CAUTION -Mounting the Mechanism unit to Main C.B.A.] A.
  • Page 21: Removal Of The Bottom Plate

    7. REMOVAL OF THE MAIN C.B.A. Disconnect 4 Screws (L) Unlock 4 Tabs ( M ) Fig. D8 8. REMOVAL OF THE BOTTOM PLATE...
  • Page 22: Service Position

    Unlock 12 Tabs (J) Fig. D9 9. SERVICE POSITION Fig. D10 3.2. MECHANICAL ADJUSTMENT PROCEDURES Refer to the Service Manual for Z-Mechanism Chassis. / (Order No. VRD9802005C2) 3.3. ELECTRICAL ADJUSTMENT PROCEDURES This section provides complete adjustment procedures required for electric circuits of VCR. 3.3.1.
  • Page 23: Circuit Board Layout

    PROCEDURES DISPLAY 1. To set Service Mode, press the FF and EJECT keys simultaneously for more than 3 seconds. 2. To set Service Mode 2, press the FF and EJECT keys simultaneously three times. 3. Press the EJECT key for more than three seconds.
  • Page 24 4. ABBREVIATIONS...
  • Page 28: Input/Output Chart

    5. INPUT/OUTPUT CHART 5.1. INPUT/OUTPUT CHART FOR IC6001...
  • Page 30 6. WAVEFORM TABLE 7. BLOCK DIAGRAMS 7.1. SYSTEM CONTROL& SERVO/ TIMER SECTION BLOCK DIAGRAM...
  • Page 31: Schematic Diagrams

    7.2. VIDEO SECTION BLOCK DIAGRAM 7.3. FM AUDIO SECTION BLOCK DIAGRAM 8. SCHEMATIC DIAGRAMS 8.1. POWER SCHEMATIC DIAGRAM 8.2. SYSTEM CONTROL& SERVO/ TIMER SECTION IN MAIN SCHEMATIC DIAGRAM 8.3. VIDEO SECTION IN MAIN SCHEMATIC DIAGRAM 8.4. CYLINDER MOTOR UNIT SCHEMATIC DIAGRAM 8.5.
  • Page 32: Casing Parts Section

    10.2. CASING PARTS SECTION...
  • Page 33: Packing Parts Section

    10.3. PACKING PARTS SECTION...
  • Page 34: Mechanical Replacement Parts List

    11. REPLACEMENT PARTS LIST 11.1. MECHANICAL REPLACEMENT PARTS LIST 11.1.1. CHASSIS PARTS LIST Ref. No. Part No. Part Name & Description Remarks VEG1539 CYLINDER UNIT [SUPPLIED / FROM MAV] VXP2033 UPPER CYLINDER UNIT [SUPPLIED / FROM MAV] VDB1256 CYLINDER RETAINER VEM0715 CYLINDER MOTOR UNIT VXS0135...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks VXP2035 CENTRE CLUTCH UNIT VMA9516 TOP PLATE VMB3047 CONNECTION SPRING VMD3379 SIDE PLATE (L) VXA6540 SIDE PLATE (R) UNIT VXA5746 CASSETTE HOLDER UNIT VXP1730 MAIN SHAFT UNIT VDP1668-K CLEANER ROLLER VML3164 CLEANER ARM VMD3795 FPC HOLDER...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks VGM1695 TOP PANEL VYP8122 FRONT PANEL UNIT [SUPPLIED / FROM MAV] VKA0192 VKF3332 FRONT JACK DOOR [SUPPLIED / FROM MAV] VKF3346 BLINDER PANEL [SUPPLIED / FROM MAV] VMB2521 BLINDER SPRING VJA1000 AC CORD / [SUPPLIED / FROM MAV]...
  • Page 37: Electrical Replacement Parts List

    Ref. No. Part No. Part Name & Description Remarks VQT9138 OPERATING INSTRUCTIONS / (SPANISH) / [SUPPLIED / FROM MAV] N2QAKB000008 REMOTE CONTROLLER [SUPPLIED / FROM MAV] VJA1125 RF CABLE VJS3797 AC PLUG ADAPTER / [SUPPLIED / FROM MAV] R0186-720010 BATTERY COVER [SUPPLIED / FROM MAV] VPN5359 CUSHION (L)
  • Page 38 Ref. No. Part No. Part Name & Description Remarks C1120 ECQU2A333MVA P.CAPACITOR 250V 0.033U C1121 VCK0286B331 CERAMIC CAPACITOR C1123 VCK0286E102 CERAMIC CAPACITOR / F1BAF1020011 C1140 ECEC2GG680FZ E.CAPACITOR 400V 68U C1151 ECQB1H473JM P.CAPACITOR 50V 0.047U C1152 ECQB1H103JZ P.CAPACITOR 50V 0.01U C1153 ECQB1H104JM P.CAPACITOR 50V 0.1U C1154...
  • Page 39 Ref. No. Part No. Part Name & Description Remarks C3004 ECUX1H151JCV C.CAPACITOR CH 50V 150P C3006 ECUX1C104KBV C.CAPACITOR CH 16V 0.1U C3007 ECUX1H180JCV C.CAPACITOR CH 50V 18P C3008 ECA0JM471 E.CAPACITOR 6.3V 470U C3009 ECUX1C104KBV C.CAPACITOR CH 16V 0.1U C3010 ECUX1C104KBV C.CAPACITOR CH 16V 0.1U C3011 ECUX1C104KBV...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks C4043 ECEA0JKS220 E.CAPACITOR 6.3V 22U C4061 ECUX1H103KBV C.CAPACITOR CH 50V 0.01U C4062 ECEA0JKA330 E.CAPACITOR 6.3V 33U C4063 ECUX1H182KBV C.CAPACITOR CH 50V 1800P C4064 ECEA1EKS3R3 E.CAPACITOR 25V 3.3U C4065 ECUX1H182KBV C.CAPACITOR CH 50V 1800P C4502 ECEA1CKS100 E.CAPACITOR 16V 10U...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks C5006 ECUX1H103KBV C.CAPACITOR CH 50V 0.01U C5007 ECUX1H103KBV C.CAPACITOR CH 50V 0.01U C5008 ECUX1H103KBV C.CAPACITOR CH 50V 0.01U C5009 ECEA0JKS101 E.CAPACITOR 6.3V 100U C5010 ECUX1C104KBV C.CAPACITOR CH 16V 0.1U C5051 ECUX1C104ZFV C.CAPACITOR CH 16V 0.1U C6001 ECUX1H270JCV...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks D1140 DF08S-6622 DIODE [SUPPLIED / FROM MAV] / B0KB00000013 D1150 AU01Z DIODE B0HAGM000006 D1152 MA185 DIODE D1155 1SS254 DIODE B0AAED000003 D1157 MA4027L DIODE [SUPPLIED / FROM MAV] D1180 MA7510-TR DIODE [SUPPLIED / FROM MAV] D1230 MA185 DIODE...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks K4501 ERJ3GEY0R00 M.RESISTOR CH 1/16W 0 K7614 ERJ3GEY0R00 M.RESISTOR CH 1/16W 0 K7701 ERJ3GEY0R00 M.RESISTOR CH 1/16W 0 L1120 VLF1498G0R3 LINE FILTER L1121 VLF1498G0R3 LINE FILTER L1250 G0A220G00018 COIL [SUPPLIED / FROM MAV] / G0A220G00019 L1260 G0A220G00018...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks P2002 VJP3835E012 CONNECTOR (MALE) 12P [SUPPLIED / FROM MAV] / K1KA12A00127 P2501 VJS3537A009G CONNECTOR (FEMALE) 9P K1MN09A00012 P4001 VJS3537A006G CONNECTOR (FEMALE) 6P K1MN06A00034 P4002 VJS3837A002 CONNECTOR (FEMALE) 2P K1KB02A00035 P5001 VJS3537A010G CONNECTOR (FEMALE) 10P K1MN10A00036 PP4001...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks R1203 ERJ3GEYF303 M.RESISTOR CH 1/16W 30K [SUPPLIED / FROM MAV] R1204 ERDS2FJ123 C.RESISTOR 1/4W 12K R1205 ERJ3GEYJ222 M.RESISTOR CH 1/16W 2.2K R1206 ERJ3GEYJ271 M.RESISTOR CH 1/16W 270 R1301 ERJ3GEYJ152 M.RESISTOR CH 1/16W 1.5K R1302 ERJ3GEYJ182 M.RESISTOR CH 1/16W 1.8K...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks R4014 ERJ3GEYJ332 M.RESISTOR CH 1/16W 3.3K D0GB332JA002 R4018 ERJ3GEY0R00 M.RESISTOR CH 1/16W 0 R4019 ERJ3GEY0R00 M.RESISTOR CH 1/16W 0 R4020 ERJ3GEYJ471 M.RESISTOR CH 1/16W 470 R4021 ERJ3GEYJ471 M.RESISTOR CH 1/16W 470 R4037 ERJ3GEYJ472 M.RESISTOR CH 1/16W 4.7K...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks R6013 ERJ3GEYJ221 M.RESISTOR CH 1/16W 220 R6014 ERJ3GEYJ221 M.RESISTOR CH 1/16W 220 R6016 ERJ3GEYJ332 M.RESISTOR CH 1/16W 3.3K D0GB332JA002 R6017 ERJ3GEYJ332 M.RESISTOR CH 1/16W 3.3K D0GB332JA002 R6018 ERJ3GEYJ221 M.RESISTOR CH 1/16W 220 R6019 ERJ3GEYJ473 M.RESISTOR CH 1/16W 47K...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks S7508 EVQ11404M SWITCH S7509 EVQ11404M SWITCH S7510 EVQ11L07B SWITCH S7511 EVQ11G07K SWITCH T1150 G4D2A0000051 SWITCHING TRANSFORMER / [SUPPLIED / FROM MAV] T4002 VLT0948 TRANSFORMER [SUPPLIED / FROM MAV] TU7601 ENG56720G1 TUNER / [SUPPLIED / FROM MAV] X3001...
  • Page 49 MAIN C.B.A. Transistor Test Land Q1150 TL2015 Q1151 TL4507 Q1152 TL4552 Q1153 TL6001 Q1200 TL6010 Q1341 TL6012 Q2001 TL6013 Q2002 TL7509 Q3004 TL7510 Q3005 Q3009 PGND Q3010 Q4003 Test Wire Q4004 TW1004 Q4005 TW2001 Q4006 TW2002 Q4007 TW3001 Q4501 TW4501 Q6001 TW4502 Q6002...
  • Page 50 VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE CAPSTAN SERVO PHASE LOOP CYLINDER SERVO SPEED LOOP VIDEO MAIN SIGNAL PATH IN REC MODE CAPSTAN SERVO SPEED LOOP CYLINDER SERVO PHASE LOOP <A-LINE> <A-LINE> (A14) (A15) (A17) (A11) (A19) (A21) (A22) (A23) (A24) (A10) (A9) (A25) (A26)
  • Page 51 SYSTEM CONTROL & SERVO ICs VOLTAGE CHART (SP MODE) GRID CONTROL SIGNAL PATH Ref.No. IC2501 SEGMENT CONTROL SIGNAL PATH MODE STOP 14.4 14.4 14.7 1.1 14.4 MODE SW <A-LINE> PLAY 14.3 14.3 14.6 1.1 14.3 S2001 VSS0520-4 DP7501 14.3 14.3 14.6 0.8 14.3 (A33) A2BD00000040...
  • Page 52 : AUDIO MAIN SIGNAL PATH IN REC MODE : VIDEO MAIN SIGNAL PATH IN REC MODE : VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE : AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE <A-LINE> <A-LINE> <A-LINE> TO:AUDIO SECTION (A8) (A9) (A7) (A10) (A6) (A5)
  • Page 53 <C-LINE> (C1) <12.0V> D A REC(H) Q4003 R4039 BIAS(L) 2SD1149 <5.0V> A/V 5.0V (4.7) (REC CONT.) (C1) <12.0V> 12.0V (C2) OSD CV IN (-27.0) 0.6(-27.3) (C2) <5.0V> R4037 (C4) PICT 2 4700 QR4001 UN2111 (C6) FSC IN R4038 (-18.1) (REC CONT.) (C7) FSC IN 2200...
  • Page 54 VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE <A-LINE> <A-LINE> <A-LINE> JK3002 (A8) VJJ0675 (A10) (A11) (A9) (A5) (A7) (A4) (A2) S :TO SYSTEM CONTROL &...
  • Page 55 CYLINDER SERVO SPEED LOOP P2901 MAIN COIL 2 MAIN COIL 3 HALL IC GND(CYL) MAIN COIL 1 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 56 POWER EJECT S4803 S4802 EVQ11G07K EVQ11G07K PS4801 R3 INV / (R) AV GND JK4801 EJECT SW / (A3) POWER SW / (A2) K4801 AV GND V3 IN / (V) FIP GND L3 IN / (L) R4802 L4801 R4803 L4802 VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE...
  • Page 57 JOG SHUTTLE S6309 VSQ0817-1 PS6301 JOGB JOGA SHUTTLE4 SHUTTLE3 SHUTTLE2 SHUTTLE1...
  • Page 58 CAUTION MARK INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY FROM THE SECONDARY CIRCUIT. PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS. D1180 MAZ751000C or (MA7510-TR) D1181 T1150 G4D2A0000051 D1230 MA2C18500E or 1SS244T JW1001 UNREG 38V C1230...
  • Page 59 IC3001- 18,19,23,24 PLAY IC3001- 54 PLAY 0.5Vp-p ( 20usec. div.) 0.3Vp-p ( 5msec. div.) IC3001- 21,42 PLAY IC3001- 35 PLAY IC3001- 55,58 PLAY IC3001- 71 PLAY 0.4Vp-p ( 20usec. div.) 0.6Vp-p ( 20usec. div.) 0.6Vp-p ( 5msec. div.) 0.35Vp-p ( 0.5msec. div.) IC3001- 26,39 PLAY IC3001- 46 PLAY IC3001- 52 PLAY...
  • Page 60 IC4501- 10,15 REC Q1153 - E STOP 60mVp-p ( 1msec. div.) 450Vp-p ( 5usec. div.) IC4501- 53,57 REC Q1153 - B STOP 0.6Vp-p ( 1msec. div.) 550Vp-p ( 5usec. div.) IC4501- 61 REC Q1150 - 3 STOP IC7501- 22,29 - 36 STOP IC4501- 21 REC Q1153 - C STOP 130mVp-p ( 1msec.
  • Page 61 AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE P5001 HiFi AUDIO HEAD (R) P5001 TW4501 FM MIX HiFi AUDIO P5001 HEAD (L) QR4506 QR4505 JK3002 LINE OUT L1 AUDIO OUT FROM VIDEO NORA A. IN SECTION LINE IN IC4501...
  • Page 62 MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE CAPSTAIN SERVO PHASE LOOP CAPSTAIN SERVO SPEED LOOP CYLINDER SERVO PHASE LOOP CYLINDER SERVO SPEED LOOP IC7501 TIMER IC6001 SYSTEM CONTROL & SERVO DP7501 TIMER DISPLAY POS. SW2 S2001 S DATA MODE SW...
  • Page 63 VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE X3001 TW3001 QR3011 PICT 2 TO/FROM SYSTEM & SERVO Q3009 CONTROL SECTION OSD VIDEO IN Q3005 IC3001 HEAD SW1 FSC IN VIDEO HSW LIMTER TO/FROM HEAD SW2 CLOCK SW26 SYSTEM &...
  • Page 64 CYLINDER MOTOR UNIT Integrated Circuit HALL IC Connector P2901 ADDRESS INFORMATION HALL IC P2901...

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