Panasonic NV-MV40GC Service Manual
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Panasonic NV-MV40GC Service Manual

Panasonic NV-MV40GC Service Manual

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Service Manual
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ORDER NO. MAVR0305006C8
Video Cassette Recorder
NV-MV40GC
l
NV-MV40GCS
NV-MV40GL
NV-MV40EE
NV-MV40GCU
R4-MECHANISM
© 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
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http://servis-manual.com/

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Summary of Contents for Panasonic NV-MV40GC

  • Page 1 Service Manual TOP NEXT ORDER NO. MAVR0305006C8 Video Cassette Recorder NV-MV40GC NV-MV40GCS NV-MV40GL NV-MV40EE NV-MV40GCU R4-MECHANISM © 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. TOP NEXT http://servis-manual.com/...

  • Page 2: Service Caution

    2.1 SERVICE CAUTION-1 TOP PREVIOUS NEXT When the Microprocessor IC6001 and/or Back-up battery B7751 are replaced, read the following procedure carefully and proceed it. [REASONS] There is a RAM in the IC6001, which is backing up: 1. Programme Navigation Data [See NOTE1] 2.
  • Page 3 2.1.1 REPLACING PROCEDURE [IC6001] TOP PREVIOUS NEXT [1.PREPARATION] Before replacing IC6001: 1. Take note that stored TV broadcast channels. (Because, its user may store TV broadcasts by manually other than "Auto Tuning" operation and it is also erased.) NOTE: During servicing, do not make a short circuit between IC6001-pin 37 (5V) with other line/Components otherwise IC6001 may be broken.
  • Page 4 Since the resistance at pin 2 as well as pin 3 of IC6001 decides the model distinction data, there is no need to set up the Model code, which is necessary in the previous models. STEP4.LINE-IN SETTING & ACTIVATE PLUG-IN A.T.P. (FOR OTHER THAN NV-MV40GL) 1.

  • Page 5: Step5. Compatibility Adjustment

    STEP5. COMPATIBILITY ADJUSTMENT Refer to the Electrical Adjustment Procedures. TOP PREVIOUS NEXT http://servis-manual.com/...

  • Page 6: Servo Section

    3.3.2 SERVO SECTION TOP PREVIOUS NEXT PG SHIFTER ADJUSTMENT PROCEDURE F.I.P. DISPLAY Turn on the Service Mode 1.Press the FF key and the EJECT key simultaneously for more than 3 seconds. Activate the Service Mode 2 While keep pressing FF key, press the EJECT key in twice. Activate the Entering Mode.
  • Page 7 T1150-4 STOP T1150-6 STOP T1150-11 STOP T1150-2 STOP T1150-12 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 8 SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) IC1511 IC1512 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 Ref. No. IC2501 MODE STOP 12.2 PLAY 12.3 12.2...

  • Page 9: 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 10 PC123ZY2 MA185 16.3 R1205 R1156 R1206 C1200 R1204 2200 R1202 C1152 R1203 0.01 2200 SHOWN ON THIS SCHEMATIC DIAGRAM FOR NV-MV40GC/GCS/GL/EE/GCU PART,PLEASE REFER TO PARTS LIST. POWER TRANSFORMER SECTION SCHEMATIC DIAGRAM HE DC VOLTAGE ON THIS DIAGRAM IS STOP MODE.

  • Page 11: Power Supply/ Rf Section In Main Schematic Diagram

    8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE P :TO POWER TRANSFORMER SECTION S :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE T :TO TIMER SECTION V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION QR1342 UN2112 (POWER ON:ON)
  • Page 12 AFC S-CURVE TUNER VIDEO L7603 TUNER 5V C7603 0.01 NV-MV40GC/GCS/GL/EE/GCU NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS POWER SUPPLY/RF SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU SECTION SCHEMATIC DIAGRAM ORDER A PART,PLEASE REFER TO PARTS LIST. LTAGE ON THIS DIAGRAM IS STOP MODE.

  • Page 13: Timer Section In Main Schematic Diagram

    8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM P :TO POWER TRANSFORMER SECTION DP7501 A2BA00000211 R :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION S-VHSET P10 P11 P12 P13 R7526 HEATER (+) HEATER (-) D7501 C7501 R7525 MA4220N 35V10 UNREG -29V IC7501...
  • Page 14 FRESH STOP S7518 S7509 S7510 S7512 S7513 Q11L09B EVQ11G09K EVQ11G09K EVQ11G09K EVQ11G09K EVQ11G09K R7517 R7519 R7518 R7502 R7522 3900 3600 5100 9100 NV-MV40GC/GCS/GL/EE/GCU BER SHOWN ON THIS SCHEMATIC DIAGRAM FOR A PART,PLEASE REFER TO PARTS LIST. TIMER SECTION SCHEMATIC DIAGRAM...

  • Page 15: System Control & Servo Section In Main Schematic Diagram

    8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM :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 IC1511 C2003 RPI303 R2563 (T-REEL SENSOR) R1513 R2001 C2561...
  • Page 16 C6101 R6201 TW2001 0.01 3300 TL7510 TL6005 C6103 0.01 TL2502 R6019 R6021 SAFETY S1531 K0C111A00006 (A/B/C) TL6010 R6006 C6005 50V3.3 K6006 R6016 R6011 0.01 B25 B26 B11 B12 B18 B19 B21 B22 NV-MV40GC/GCS/GL/EE/GCU SYSTEM CONTROL & SERVO SECTION SCHEMATIC DIAGRAM...
  • Page 17 C2502 6V220 C2513 C2511 C2510 C2512 R2523 R2515 R2514 R2516 C2509 16V22 NV-MV40GC/GCS/GL/EE/GCU SYSTEM CONTROL & SERVO NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRA SECTION SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST...
  • Page 18 CURR LIMIT CAP ET 01479 IC2502 CAP R/F C0DBZJG00005 (12V SWITCHING REG.) R2562 POWER ON D2501 P2501 (TO CYLINDER UNIT) PG (-) PG (+) NV-MV40GC/GCS/GL/EE/GCU SYSTEM CONTROL & SERVO S SCHEMATIC DIAGRAM FOR SECTION SCHEMATIC DIAGRAM REFER TO PARTS LIST.
  • Page 19 8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRA VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH :TO POWER TRANSFORMER SECTION :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION JK3201 K2HA408B0053 (REAR JACK) AUDIO VIDEO AUDIO L3304...
  • Page 20 16V10 16V10 15.9) Q4083 C4601 2SD601A 16V10 PB:ON) C3066 R4017 R4012 R4011 R4013 R4014 4700 4700 R4601 NV-MV40GC/GCS/GL/EE/GCU OF THE DC VOLTAGE OUT OF THE BRACKETS ON THIS DIAGRAM IS PLAYBACK MODE (SP MODE) LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 21 -10dB (1.9) (1.8) (2.4) (2.5) (1.7) (2.7) R3001 C3002 C3003 C3007 C3005 C3006 C3010 C3008 C3009 C3064 R3041 C3015 6200 50V4.7 C3013 C3004 R3020 L3001 R3002 R3037 150P 1500 270u 8200 R3029 8200 NV-MV40GC/GCS/GL/EE/GCU LUMINANCE & CHROMINANCE/AUDIO SECTION SCHEMATIC DIAGRAM...
  • Page 22 S-VHS PB TUNER VIDEO L3301 ART V/H/N C3012 C3011 0.22 6V47 NV-MV40GC/GCS/GL/EE/GCU LUMINANCE & CHROMINANCE /AUDIO SECTION NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR SCHEMATIC DIAGRAM ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.

  • Page 23: Front Schematic Diagram

    0:A/B 470:C/D P4951 P3301-5 P3301-4 P3301-3 FRONT AUDIO P3301-2 P3301-1 FRONT VIDEO C4902 470P (C/D) NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS NV-MV40GC/GCS/GL/EE/GCU SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST. FRONT SCHEMATIC DIAGRAM...

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Nv-mv40gcsNv-mv40glNv-mv40eeNv-mv40gcu

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