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Panasonic NV-FJ620AM Service Manual
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Panasonic NV-FJ620AM Service Manual

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NV-FJ620AM / NV-FJ620AMC / NV-FJ620EU / NV-FJ620AU /
NV-FJ620BD / NV-FJ620BDX / NV-FJ625AM / NV-FJ625AMM
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.
ORDER NO. VRD0107029C8
Video Cassette Recorder
1
Z-MECHANISM

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  • Page 1 ORDER NO. VRD0107029C8 Video Cassette Recorder NV-FJ620AM / NV-FJ620AMC / NV-FJ620EU / NV-FJ620AU / NV-FJ620BD / NV-FJ620BDX / NV-FJ625AM / NV-FJ625AMM Z-MECHANISM SPECIFICATIONS 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: General Descriptions

    Plate, distinguish the model number whether country of origin is mentioned on the Name Plate or not. [ * With Country of origin : NV-FJ620AMC ] [* Without Country of origin : NV-FJ620AM ] 2. For NV-FJ625AM/AMM : Since in both NV-FJ625AM and NV-FJ625AMM are indicated as “NV-FJ625AM” on the Name Plate, distinguish the model number whether country of origin is mentioned on the Name Plate or not.
  • Page 3 3. PG Shifter Adjustment Data 4. Option Setting Data When IC6001 and/or B6001 are replaced, all above listed data become not available. These data is backing up by using the power source of: *AC Connected : AC Power source *AC Disconnected : Back-up Battery (B6001) 2.1.1.
  • Page 4 theRemote Controller for cancellation.) [3. REPLACING PROCEDURE IN STEPS] [STEP 1. PREPARATION] 1. Remove the C.B.A. with Mechanism unit by referring the Disassembly procedure. 2. Connect the VFK1493P by referring the following figure. [STEP 2. “NAVI” DATA BACK-UP]...
  • Page 5 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. 3.
  • Page 6 necessary in previous model. [STEP 5. LINE-IN SETTING & ACTIVATE PLUG-IN A.T.P.] 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. 2. Confirm that “A1” and “A2” can be displayed on the FIP by pressing the CH UP and CH DOWN buttons.
  • Page 7 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 8 (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 9 2.4. SERVICE CAUTION-2 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 searches for TV stations from VHF minimum to UHF maximum and memorizes every tuned program position.
  • Page 10 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 11: Cylinder Unit Replacement

    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) 2.
  • Page 12 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. D. Remove the CYLINDER UNIT. CAUTION Handle the Cylinder flexible card with care.
  • Page 13 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 14 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 15 Refer to the Service Manual for Z Mechanism Chassis. (Order No.:VRD9802005C2) 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/SVHS VCP and VCR.

  • Page 16: 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 17: Removal Of The Top Panel

    3.1.2. DETAIL OF DISASSEMBLY METHOD 1. REMOVAL OF THE TOP PANEL Remove 2 Screws (A) Fig. D2...
  • Page 18 2. REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs (B) Fig. D3 3. REMOVAL OF THE CYLINDER STATOR C.B.A. Remove 2 Screws (C) Disconnect Flat Card Cable (D) Fig. D4...

  • Page 19: Removal Of The Mechanism Unit

    4. REMOVAL OF THE MECHANISM UNIT Remove 3 Screws (E) Remove 2 Screws (F) Remove Screw (G) 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 20: Removal Of The Bottom Plate

    5. REMOVAL OF THE MAIN C.B.A. Disconnect 4 Screws (H) Unlock 4 Tabs ( I ) Fig. D6 6. REMOVAL OF THE BOTTOM PLATE Unlock 12 Tabs (J) Fig. D7 7. SERVICE POSITION...
  • Page 21 Fig. D8 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. TEST EQUIPMENT To perform electrical adjustments following equipment is required. 1.
  • Page 22 PROCEDURES DISPLAY 5. Insert the Alignment Tape. (VFJ8125H3F) 6. This adjustment is automatically started after VCR goes PLAY mode. / (During the adjustment, the picture will be appeared on the monitor.) 7. When this Adjustment is terminated, the following operation will be activated. Adjustment completed: The tape will be ejected.
  • Page 23 4. ABBREVIATIONS...

  • Page 27: Input/Output Chart

    5. INPUT/OUTPUT CHART 5.1. INPUT/OUTPUT CHART FOR IC6001 6. WAVEFORM TABLE 7. BLOCK DIAGRAMS...

  • Page 28: Schematic Diagrams

    7.1. SYSTEM CONTROL& SERVO/ TIMER SECTION BLOCK DIAGRAM 7.2. VIDEO SECTION BLOCK DIAGRAM 7.3. FM AUDIO SECTION BLOCK DIAGRAM 8. SCHEMATIC DIAGRAMS 8.1. POWER SECTION IN MAIN SCHEMATIC DIAGRAM 8.2. SYSTEM CONTROL& SERVO/ TIMER SECTION IN MAIN SCHEMATIC DIAGRAM 8.3. VIDEO SECTION IN MAIN SCHEMATIC DIAGRAM 8.4.

  • Page 29: Casing Parts Section

    10.2. CASING PARTS SECTION...

  • Page 30: Packing Parts Section

    10.3. PACKING PARTS SECTION...

  • Page 31: Replacement Parts List

    11. REPLACEMENT PARTS LIST...

  • Page 32: Mechanical Replacement Parts List

    11.1. MECHANICAL REPLACEMENT PARTS LIST 11.1.1. CHASSIS PARTS LIST...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks VEG1522 CYLINDER UNIT NV-FJ620AM/ / AMC/BD/BDX, / FJ625AM/AMM VEG1565 CYLINDER UNIT [SUPPLIED / FROM MAV] / NV -FJ620AU/ / EU VXP2001 UPPER CYLINDER UNIT NV-FJ620AM/ / AMC/BD/BDX, / FJ625AM/AMM VXP2086 UPPER CYLINDER UNIT...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks VXL2792 IDLER ARM UNIT VXL2733 SUPPLY BRAKE ARM UNIT VXL2747 LOADING RACK UNIT VXP2035 CENTRE CLUTCH UNIT VMA9516 TOP PLATE VMB3047 CONNECTION SPRING VMD3379 SIDE PLATE (L) VXA6540 SIDE PLATE (R) UNIT VXA5746 CASSETTE HOLDER UNIT VXP1730...
  • Page 35 [SUPPLIED / FROM MAV] / NV -FJ625AM/ / AMM VKF3347 BLINDER PANEL [SUPPLIED / FROM MAV] VMB2521 BLINDER SPRING VJA1038 AC CORD / NV-FJ620AM/ / AMC/AU/ EU/ / BDX,FJ625AM/ / AMM VJA1138 AC CORD / [SUPPLIED / FROM MAV] / NV-FJ620BD VKA0192 VJH1142 ANT BOARD...
  • Page 36 Part No. Part Name & Description Remarks VQT9302 OPERATING INSTRUCTIONS / (ENGLISH / ARABIC) / [SUPPLIED / FROM MAV] / NV-FJ620AM/ / AMC VQT9303 OPERATING INSTRUCTIONS / (ENGLISH) / [SUPPLIED / FROM MAV] / NV-FJ620AU/ / EU VQT9304 OPERATING INSTRUCTIONS / (RUSSIAN)

  • Page 37: Electrical Replacement Parts List

    Ref. No. Part No. Part Name & Description Remarks VEP06E21M MAIN C.B.A. [SUPPLIED / FROM MAV] / (RTL) / NV-FJ620AM/ / AMC VEP06E21N MAIN C.B.A. [SUPPLIED / FROM MAV] / (RTL) / NV-FJ620EU VEP06E21P MAIN C.B.A. [SUPPLIED / FROM MAV] /...
  • Page 38 Ref. No. Part No. Part Name & Description Remarks VEP06E21M MAIN C.B.A. [SUPPLIED / FROM MAV] / (RTL) / NV-FJ620AM/ / AMC VEP06E21N MAIN C.B.A. [SUPPLIED / FROM MAV] / (RTL) / NV-FJ620EU VEP06E21P MAIN C.B.A. [SUPPLIED / FROM MAV] /...
  • Page 39 C2006 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks C2007 ECUM1H471JCN C.CAPACITOR CH 50V 470P ECJ2XC1H471J C2008 ECUM1H471JCN C.CAPACITOR CH 50V 470P ECJ2XC1H471J C2012 ECUM1H182KBN C.CAPACITOR CH 50V 1800P C2013 ECUM1E104KBN C.CAPACITOR CH 25V 0.1U C2014 ECUM1E563KBN C.CAPACITOR CH 25V 0.056U C2015 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U...
  • Page 41 Ref. No. Part No. Part Name & Description Remarks C3040 ECUM1H472KBN C.CAPACITOR CH 50V 4700P ECJ2XB1H472K C3041 ECUM1H330JCN C.CAPACITOR CH 50V 33P C3042 ECUM1H103KBN C.CAPACITOR CH 50V 0.01U C3043 ECEA1EKA3R3 E.CAPACITOR 25V 3.3U F2A1E3R3A008 C3044 ECUM1H331JCN C.CAPACITOR CH 50V 330P C3045 ECUM1H030CCN C.CAPACITOR CH 50V 3P...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks C4048 ECUM1H471JCN C.CAPACITOR CH 50V 470P NV-FJ620EU/ / AU / ECJ2XC1H471J C4049 ECUM1H471JCN C.CAPACITOR CH 50V 470P NV-FJ620EU/ / AU / ECJ2XC1H471J C4061 ECUM1H103KBN C.CAPACITOR CH 50V 0.01U C4062 ECEA0JKA220 E.CAPACITOR 6.3V 22U C4063 ECUM1H182KBN C.CAPACITOR CH 50V 1800P...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks C6001 ECUM1H270JCN C.CAPACITOR CH 50V 27P C6002 ECUM1H220JCN C.CAPACITOR CH 50V 22P C6003 ECUM1H220JCN C.CAPACITOR CH 50V 22P C6004 ECUM1H180JCN C.CAPACITOR CH 50V 18P C6005 ECEA1EKA3R3 E.CAPACITOR 25V 3.3U F2A1E3R3A008 C6006 ECUM1H221JCN C.CAPACITOR CH 50V 220P C6007...
  • Page 44 FJ625AM/AMM...
  • Page 45 C7706 ECUM1H471JCN C.CAPACITOR CH 50V 470P ECJ2XC1H471J C7707 ECUM1H102KBN C.CAPACITOR CH 50V 1000P C7708 ECUM1H471JCN C.CAPACITOR CH 50V 470P NV-FJ620AM/ / AMC/EU/AU, / FJ625AM/AMM / ECJ2XC1H471J C7708 ECUM1H681JCN C.CAPACITOR CH 50V 680P NV-FJ620BD/ / BDX / ECJ2XC1H681J C7709 ECUM1H182KBN C.CAPACITOR CH 50V 1800P...
  • Page 46 D1251 B0JAJK000003 DIODE [SUPPLIED / FROM MAV]...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks D1260 11EQS04 DIODE / B0JAME000020 D1261 11EQS04 DIODE / B0JAME000020 D1270 MA185 DIODE MA2C185 D1280 MA185 DIODE MA2C185 D1301 MA4075N-M DIODE D1302 MA4056N-H DIODE [SUPPLIED / FROM MAV] / MAZ4056NH D1341 MA4130N-L DIODE MAZ4130NL...
  • Page 48 NV-FJ620AM/ / AMC/EU/AU K7611 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0 K7614 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0 L1120 ELF15N003A LINE FILTER / NV-FJ620AM/ / AMC, / FJ625AM/AMM L1120 ELF15N005A LINE FILTER / NV-FJ620EU/ / AU/BD/ L1121 ELF15N005A LINE FILTER / NV-FJ620EU/ / AU/BD/...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks LB3002 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0 LB4001 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0 NV-FJ620AM/ / AMC/BD/BDX, / FJ625AM/AMM LB4001 VLP0147 COIL NV-FJ620EU/ / AU / J0JBC0000041 LB4002 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0...
  • Page 50 2SD601A TRANSISTOR 2SD0601A Q4005 2SD602A-R TRANSISTOR 2SD0602AR Q4006 2SB710A TRANSISTOR 2SB0710A Q4007 2SC1959-Y TRANSISTOR Q4501 2SC1959-Y TRANSISTOR NV-FJ620AM/ / AMC/EU/AU Q4501 2SD1994A-S TRANSISTOR NV-FJ620BD/ / BDX, / FJ625AM/AMM Q6001 2SD601A TRANSISTOR 2SD0601A Q6002 PNB2301MBV TRANSISTOR Q6003 PNB2301MAV TRANSISTOR Q7602 2SD1994A-S...
  • Page 51 Ref. No. Part No. Part Name & Description Remarks R1202 ERJ6GEYG222 M.RESISTOR CH 1/10W 2.2K R1203 ERJ6GEYG243 M.RESISTOR CH 1/10W 24K D0GD243GA003 R1204 ERDS2TJ123 C.RESISTOR 1/4W 12K R1205 ERJ6GEYJ222 M.RESISTOR CH 1/10W 2.2K R1206 ERJ6GEYJ271 M.RESISTOR CH 1/10W 270 R1301 ERJ6GEYJ152 M.RESISTOR CH 1/10W 1.5K R1302...
  • Page 52 M.RESISTOR CH 1/10W 0 NV-FJ620AM/AMC/BD/BDX, / FJ625AM/AMM R4001 ERJ6GEYJ471 M.RESISTOR CH 1/10W 470 NV-FJ620EU/ / AU R4002 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0 NV-FJ620AM/ / AMC/BD/BDX, / FJ625AM/AMM R4002 ERJ6GEYJ471 M.RESISTOR CH 1/10W 470 NV-FJ620EU/ / AU R4009 ERJ6GEY0R00 M.RESISTOR CH 1/10W 0 R4011 ERJ6GEYJ124 M.RESISTOR CH 1/10W 120K...
  • Page 53 R6017 ERJ6GEYJ332 M.RESISTOR CH 1/10W 3.3K R6018 ERJ6GEYJ221 M.RESISTOR CH 1/10W 220 R6019 ERJ6GEYJ473 M.RESISTOR CH 1/10W 47K NV-FJ620AM/ / AMC/EU/AU/ / BD/BDX R6019 ERJ6GEYJ223 M.RESISTOR CH 1/10W 22K NV-FJ625AM/ / AMM R6020 ERJ6GEYJ223 M.RESISTOR CH 1/10W 22K NV-FJ620AM/ / AMC/EU/AU/ /...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks R6023 ERJ6GEYJ332 M.RESISTOR CH 1/10W 3.3K R6029 ERDS2TJ121 C.RESISTOR 1/4W 120 R6030 ERDS2TJ181 C.RESISTOR 1/4W 180 R6031 ERJ6GEYJ273 M.RESISTOR CH 1/10W 27K R6032 ERJ6GEYJ273 M.RESISTOR CH 1/10W 27K R6033 ERJ6GEYJ393 M.RESISTOR CH 1/10W 39K R6034 ERJ6GEYJ273 M.RESISTOR CH 1/10W 27K...
  • Page 55 VLT0923 TRANSFORMER G2A611C00001 T4002 VLT0924 TRANSFORMER G2A232C00001 TU7601 ENG57812G1 TUNER / [SUPPLIED / FROM MAV] / NV-FJ620AM/ / AMC, / FJ625AM/AMM TU7601 ENG57811G1 TUNER / [SUPPLIED / FROM MAV] / NV-FJ620EU/ / AU TU7601 ENG57909G1 TUNER / [SUPPLIED / FROM...
  • Page 56 Ref. No. Part No. Part Name & Description Remarks ------------ CYLINDER STATOR C.B.A. MISCELLANEOUS VJS3537B009G CONNECTOR (FEMALE) 9P K1MN09B00023 HW-300A-DF HALL IC B4AAB0000007 12. Schematic Diagram For Printing With A4 Size...

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