background image

In this Service Mode 2, the LEDs are illuminated as shown in 

Fig. 

D9

This service mode 2 is released when pressing the FF and EJECT 
buttons simultaneously more twice.

Fig. D9

3.2.1. CIRCUIT BOARD LAYOUT

3.3. ELECTRICAL ADJUSTMENT PROCEDURES

3.3.1. TEST EQUIPMENT

The following equipments are required for Electrical Adjustments.

1. Monitor TV

2. VHS Alignment Tape

- Part No.: VFJ8125H3F (PAL)

3.3.2. VCR SETTING

When no indication in the procedure, set each selector by using Menu Mode as follows.

17

Содержание NV-SJ30AM

Страница 1: ...ssette Recorder NV SJ30AM NV SJ30EU NV SJ30PMP NV SJ50AM NV SJ50AU NV SJ50EU R4 MECHANISM SPECIFICATIONS 2002 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distrib...

Страница 2: ...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 SJ30PMP A NV S...

Страница 3: ...Mode to 7 In this Service Mode 7 the LEDs are illuminated as follows Fig S2 B Press STOP button in order to unload the mechanism Pay attention of tape slack 2 Removal by manual operation by rotating t...

Страница 4: ...S3 C Stop unloading just before unloading would be completed as shown in Fig S4 Fig S4 D Then the tape becomes slack as shown in Fig S5 Fig S5 E Rotate the S Reel by a small minus screwdriver Fig S6 t...

Страница 5: ...e tape as shown in Fig S8 Fig S8 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 Disass...

Страница 6: ...s shown in Fig S4 D Rotate the Capstan Motor clockwise Fig S10 to remove the tape slacks as shown in Fig S7 Fig S10 E Rotate the Main Cam Gear counter clockwise again Fig S10 to remove the cassette ta...

Страница 7: ...Cylinder Unit 1 Remove the Mechanism Unit from Main C B A Chassis by referring Disassembly Procedure 2 Unlock 2 locking tabs on a side to release the Cylinder Flexible Card as shown in Fig S12 CAUTIO...

Страница 8: ...quickly and shortening total repair time 2 Turning on Service Mode In the service mode two types of checking modes are available as follows By pressing the FF and EJECT buttons simltaneously for 3 sec...

Страница 9: ...utton is pressed In this mode LEDs are illuminated as follows Fig S15 This service mode 7 is released when pressing the FF and EJECT buttons simltaneously more once 2 2 SELF DIAGNOSIS SERVICE INFORMAT...

Страница 10: ...leaning service and shortening cleaning time for end users 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 V...

Страница 11: ...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...

Страница 12: ...3 1 2 DETAIL OF DISASSEMBLY METHOD 1 REMOVAL OF THE TOP PANEL Remove 2 Screws A Remove 2 Screws B Fig D2 12...

Страница 13: ...2 REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs C Fig D3 3 REMOVAL OF THE FRONT C B A Remove 2 Tabs D Fig D4 13...

Страница 14: ...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 14...

Страница 15: ...Remove Screw I Remove Screw J Remove 3 Screws K Remove AC CORD HOLDER Fig D6 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...

Страница 16: ...D8 3 2 MECHANICAL ADJUSTMENT PROCEDURES Refer to the Service Manual for R4 Mechanism Chassis Order No VRD0202010C8 CAUTIONS To turn on the Adjustment Mode for Tape Interchangeability set to the servi...

Страница 17: ...ultaneously more twice Fig D9 3 2 1 CIRCUIT BOARD LAYOUT 3 3 ELECTRICAL ADJUSTMENT PROCEDURES 3 3 1 TEST EQUIPMENT The following equipments are required for Electrical Adjustments 1 Monitor TV 2 VHS A...

Страница 18: ...follows Fig E1 3 Press the EJECT button for 3 seconds to set the PG Shifter Adjustment Mode The LEDs are illuminated as follows Fig E2 4 Insert the Alignment Tape PAL VFJ8125H3F This adjustment is au...

Страница 19: ...t This Service Mode 2 is released when pressing the FF and EJECT buttons simultaneously more twice 4 ABBREVIATIONS 5 INPUT OUTPUT CHART FOR IC6001 Fig MP1 Fig MP2 Fig MP3 Fig MP4 6 WAVEFORM TABLE VOLT...

Страница 20: ...DIAGRAM 8 3 LUMINANCE CHROMINANCE AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM 8 4 POWER SUPPLY RF SECTION IN MAIN SCHEMATIC DIAGRAM 8 5 KEY SWITCH LED DRIVE SECTION IN MAIN SCHEMATIC DIAGRAM 8 6 FRONT SCH...

Страница 21: ...10 2 CASING PARTS SECTION 21...

Страница 22: ...10 3 PACKING PARTS SECTION 22...

Страница 23: ...11 REPLACEMENT PARTS LIST 23...

Страница 24: ...RM MAV 20 VMX3092 P4 CAP MAV 21 VDB1431 TENSION ARM BOSH 22 VEM0751 LOADING MOTOR UNIT MAV 23 VXA7105 SUPPLY SHAFT HOLDER UNIT MAV 24 VXA7106 TAKE UP SHAFT HOLDER UNIT MAV 25 VXA7107 AC HEAD UNIT MAV...

Страница 25: ...P PANEL MAV NV SJ30AM PMP NV SJ50AM AU EU 101 VGM1872 TOP PANEL MAV NV SJ30EU 102 VMP7221 CHASSIS FRAME MAV 103 VMP7222 BACK PANEL MAV NV SJ30AM EU PMP 103 VMP7223 BACK PANEL MAV NV SJ50AM AU EU 104 V...

Страница 26: ...XTB3 10JFC SCREW MAV NV SJ30AM PMP NV SJ50AM AU EU B104 XTB3 10JFZ SCREW NV SJ30EU B105 XTB3 10JFC SCREW MAV NV SJ30AM PMP NV SJ50AM AU EU B105 XTB3 10JFZ SCREW NV SJ30EU B106 XTB3 10JFC SCREW MAV NV...

Страница 27: ...REMOTE CONTROLLER MAV 203 R0213 720021 BATTERY COVER MAV 204 VJA1124 DIN RF CABLE NV SJ50AM 204 VJA1089 DIN RF CABLE NV SJ50AU EU K1TWACC00001 205 VJP2974 M AC PLUG ADAPTOR MAV NV SJ30AM FOR MIDDLE EA...

Страница 28: ...IN C B A RTL MAV 4 VEP06E66F MAIN C B A RTL MAV 5 C1101 F1BAF1020020 CERAMIC CAPACITOR MAV C1102 ECQB1H104JM3 P CAPACITOR 50V 0 1U 1 3 4 C1103 F1A3A331A029 C CAPACITOR 1KV 330P MAV 1 3 4 F1A3A331A020...

Страница 29: ...TOR CH 50V 0 1U C2513 ECJ2VF1H104Z C CAPACITOR CH 50V 0 1U C2514 ECJ2VF1H104Z C CAPACITOR CH 50V 0 1U C2515 ECJ2VF1H104Z C CAPACITOR CH 50V 0 1U C2517 ECJ2VF1H104Z C CAPACITOR CH 50V 0 1U C2518 ECA1EM...

Страница 30: ...V1H103KBN C CAPACITOR CH 50V 0 01U ECJ2VB1H103K C3051 ECUV1H103KBN C CAPACITOR CH 50V 0 01U ECJ2VB1H103K C3052 ECEA1EKS3R3 E CAPACITOR 25V 3 3U C3053 ECJ2VF1H104Z C CAPACITOR CH 50V 0 1U C3054 ECUM1H2...

Страница 31: ...N C CAPACITOR CH 50V 220P ECJ2VC1H221J C6007 ECJ2VF1H104Z C CAPACITOR CH 50V 0 1U C6008 ECUV1H220JCN C CAPACITOR CH 50V 22P ECJ2VC1H220J C6009 ECUV1H270JCN C CAPACITOR CH 50V 27P ECJ2VC1H270J C6010 EC...

Страница 32: ...1298 IC IC6001 C2CBHF000224 IC MAV IC6002 S93C46ADFJ T IC MAV IC6003 C0EBH0000218 IC MAV IC6004 B3NAA0000049 IC MAV IC6005 B3NAA0000049 IC MAV IR7001 PNA4611M07VT PHOTO DIODE J1 VEE0T78 EARTH WIRE MAV...

Страница 33: ...0 MAV LB5004 D0GDR00JA017 M RESISTOR 0 MAV 4 5 LB5005 D0GDR00JA017 M RESISTOR 0 MAV 4 5 LB5006 D0GDR00JA017 M RESISTOR 0 MAV 4 5 LR1101 J1ZZA0000001 FILTER P1101 K1KA02A00104 CONNECTOR P1531 K1KA02A00...

Страница 34: ...NR221100L TRANSISTOR RESISTOR QR7002 UNR221100L TRANSISTOR RESISTOR QR7003 UNR221100L TRANSISTOR RESISTOR QR7004 UNR221100L TRANSISTOR RESISTOR QR7005 UNR221100L TRANSISTOR RESISTOR R1101 ERDS2FJ331 C...

Страница 35: ...K R3007 ERJ6GEYG222 M RESISTOR CH 1 10W 2 2K R3008 ERJ6GEYG152 M RESISTOR CH 1 10W 1 5K R3009 ERJ6GEYG102 M RESISTOR CH 1 10W 1K R3010 ERJ6GEYG222 M RESISTOR CH 1 10W 2 2K R3011 ERJ6GEYG392 M RESISTOR...

Страница 36: ...ESISTOR CH 1 10W 220 R6006 ERJ6GEYG332 M RESISTOR CH 1 10W 3 3K R6007 ERJ6GEYG332 M RESISTOR CH 1 10W 3 3K R6008 ERJ6GEYG682 M RESISTOR CH 1 10W 6 8K R6009 ERJ6GEYG103 M RESISTOR CH 1 10W 10K R6010 ER...

Страница 37: ...H 1 10W 1K S6001 K0C111A00003 SWITCH S6002 K0ZZ00000598 SWITCH MAV S7001 EVQ21405R SWITCH EVQ21405RJ S7002 EVQ21405R SWITCH EVQ21405RJ S7003 EVQ21405R SWITCH EVQ21405RJ S7004 EVQ21405R SWITCH EVQ21405...

Страница 38: ...EP D7002 B3AAA0000541 PLAY D7001 B3ABA0000402 P ON D7007 B3ABA0000402 LEFT D7006 B3ABA000402 STAND BY REC D7005 B3AAA0000541 1 2 3 IR OUT GND VCC IR7001 IR RECEIVER PNA4611M07VT C NOTE DO NOT USE ANY...

Страница 39: ...M CTL 5V R KEY 2 S KEY 1 S R7006 1800 S7002 EVQ21405R STOP S7004 EVQ21405R POWER R7005 3900 S7007 EVQ21405R REC S7006 EVQ21405R REW R7004 3600 S7008 EVQ21405R FF R7003 5100 R7001 12K S7005 EVQ21405R E...

Страница 40: ...C E ELF15N003A A B D 2 1 3 4 4 1 3 2 D1105 DF80S 6622 C1103 270P C E 330P A B D Q1101 2SK2876 VOLTAGE CONTROL R1107 1K R1102 100 C1208 3300P LB1201 J0JKB0000028 R1105 1M R1106 1M C1105 0 022 R1108 33...

Страница 41: ...ON R6031 100K POWER ON ON QR6001 UN2112 5V REG Q3007 2SC1959Y C1307 0 01 R1303 470 C1306 6V47 D1302 MA4056NH 5V REG Q1302 2SD602A R1302 1800 C1304 0 01 C1303 6V47 D1303 MA4056NH S P S P P S V V S S V...

Страница 42: ...0 01 1 2 3 4 5 6 IN OUT IC2001 C0DBCHD00002 5V SWITCHING REG TW2002 R6011 10K R6010 27K C E 10K A R6013 10K R6016 27K R6017 150 R6015 27K Q6002 PNA2604M01 S PHOTO T PHOTO Q6001 PNA2604M01 SENSOR D600...

Страница 43: ...P2901 A 1 IC2501 C1AB00001479 CNF PCI CT2 CT1 CST GND VG R IN F IN OUT2 L GND OUT1 VM2 EC PG PG PG OUT PFG VCC COM VM M1 M2 RNF M3 LOWER SATURATION PREVENT CIRCUIT SOFT SWITCH STARTING CONTROL LOGIC...

Страница 44: ...C4004 50V3 3 C4006 1800P R4004 15K P5001 TO CYLINDER UNIT 10PIN D E 5PIN A B D INV QR3001 UN2213 L3001 390u S PICTURE 1 S A VR R3008 1500 R3028 75 C3021 0 01 L3002 18u C3031 10P C3057 6V470 AMP Q3005...

Страница 45: ...3006 39P C3005 0 1 R3002 1500 R3001 6800 C3003 12P C3004 120P C3007 0 1 R3007 2200 C3008 0 1 C3009 0 1 R3009 1K C3011 0 1 C3015 25V3 3 C3016 16V10 C3010 0 1 C3017 50V2 2 C3018 50V1 C5008 0 01 C5009 0...

Страница 46: ...NV SJ30PMP AM EU SJ50AM EU AU FRONT C B A VEP04796A 1 A B 2 3...

Страница 47: ...PMP VEP06E66A NV SJ30AM VEP06E66B NV SJ30EU VEP06E66E NV SJ50AM VEP06E66F NV SJ50EU AU NV SJ30PMP AM EU SJ50AM EU AU MAIN C B A C E C E C E C E C E C E C E C E A B D A B D A B D D E D E D E D E D E D...

Страница 48: ...Q5505 B6 Q5506 A6 Q5507 A7 Q5508 A7 Q5509 A7 Q6001 C2 Q6002 C7 Q6003 B2 Q7701 C4 QR3001 D4 QR3002 D4 QR3003 D4 QR3004 D4 QR3005 D5 QR3006 D5 QR4001 F5 QR4002 F3 QR4003 F5 QR4101 E3 QR4102 E3 QR4103 F3...

Страница 49: ...REC 5 0Vp p 5msec div IC6001 71 REC 4 8Vp p 5msec div IC6001 72 REC 4 8Vp p 5msec div IC6001 79 80 FF REW 4 4Vp p 2msec div IC6001 90 REC 5 0Vp p 5msec div IC6001 94 95 REC 6 0Vp p 5msec div IC6001 97...

Страница 50: ...0 0 0 0 0 PLAY 0 0 0 1 5 0 4 7 4 7 0 0 1 8 2 2 0 0 0 0 0 0 2 2 5 0 2 1 0 0 1 9 0 0 0 0 5 0 0 0 REC 0 0 0 1 5 0 5 0 5 0 0 0 1 8 2 2 0 0 2 2 0 0 2 2 4 9 2 1 0 0 1 9 0 0 5 0 5 0 0 0 F F 0 0 0 1 5 0 4 7 4...

Страница 51: ...DIO OUTPUT R AUDIO SELECT H AUDIO L AUDIO R AV CONTROL AV CONTROL AV CONTROL SERIAL CLOCK AV CONTROL MODE AV CONTROL LEVEL METER R AV SW LEVEL METER L B MODE H BURST GATE PULSE BACK UP 5V BAND U BAND...

Страница 52: ...FM AUDIO MUTE H FM OUTPUT L FM OUTPUT R FM PACK OUTPUT L FM PACK OUTPUT R FM BS SELECT L FM BS SELECT R FS CLOCK FULL ERASE HEAD ON H FULL ERASE HEAD ON H FULL E 12V GND A GND TU GND N SW 12V H SYNC...

Страница 53: ...E PLAY H NORMAL H NR BIAS NTSC L CONTROL AGC CIRCUIT OUTPUT P OFF H P OFF L P FAIL P OFF H P OFF L PAL H PAL L NTSC H PB ADJ OUT PB OUT PB H PFG PHOTSN B PICT CNT PLAY LED RVS LED PLAY PO PLAY R LED P...

Страница 54: ...POSITION PAL STOP 2 POSITION STOP 2 POSITION SAFETY TAB SW STEREO H SUB BIAS SUB SW S VHS CASSETTE L SW 5V DETECT SYNC L SYSCON 5V SYSTEM T PHOTO T RL PLS T BUSCLK T BUSLSN T BUSTLK T END L T PHOTO TA...

Страница 55: ...LB1101 0 C1111 330P L1102 ELF15N005A C E ELF15N003A A B D 2 1 3 4 4 1 3 2 D1105 DF80S 6622 C1103 270P C E 330P A B D Q1101 2SK2876 VOLTAGE CONTROL R1107 1K R1102 100 C1208 3300P LB1201 J0JKB0000028 R...

Страница 56: ...LB1101 0 C1111 330P L1102 ELF15N005A C E ELF15N003A A B D 2 1 3 4 4 1 3 2 D1105 DF80S 6622 C1103 270P C E 330P A B D Q1101 2SK2876 VOLTAGE CONTROL R1107 1K R1102 100 C1208 3300P LB1201 J0JKB0000028 R...

Страница 57: ...01 100P L7701 10u C2006 0 01 1 2 3 4 5 6 IN OUT IC2001 C0DBCHD00002 5V SWITCHING REG TW2002 R6011 10K R6010 27K C E 10K A R6013 10K R6016 27K R6017 150 R6015 27K Q6002 PNA2604M01 S PHOTO T PHOTO Q6001...

Страница 58: ...01 100P L7701 10u C2006 0 01 1 2 3 4 5 6 IN OUT IC2001 C0DBCHD00002 5V SWITCHING REG TW2002 R6011 10K R6010 27K C E 10K A R6013 10K R6016 27K R6017 150 R6015 27K Q6002 PNA2604M01 S PHOTO T PHOTO Q6001...

Страница 59: ...P2901 A 1 IC2501 C1AB00001479 CNF PCI CT2 CT1 CST GND VG R IN F IN OUT2 L GND OUT1 VM2 EC PG PG PG OUT PFG VCC COM VM M1 M2 RNF M3 LOWER SATURATION PREVENT CIRCUIT SOFT SWITCH STARTING CONTROL LOGIC T...

Страница 60: ...P2901 A 1 IC2501 C1AB00001479 CNF PCI CT2 CT1 CST GND VG R IN F IN OUT2 L GND OUT1 VM2 EC PG PG PG OUT PFG VCC COM VM M1 M2 RNF M3 LOWER SATURATION PREVENT CIRCUIT SOFT SWITCH STARTING CONTROL LOGIC T...

Страница 61: ...LP0147 C E R4103 2200 R3012 2200 C4004 50V3 3 C4006 1800P R4004 15K P5001 TO CYLINDER UNIT 10PIN D E 5PIN A B D INV QR3001 UN2213 L3001 390u S PICTURE 1 S A VR R3008 1500 R3028 75 C3021 0 01 L3002 18u...

Страница 62: ...LP0147 C E R4103 2200 R3012 2200 C4004 50V3 3 C4006 1800P R4004 15K P5001 TO CYLINDER UNIT 10PIN D E 5PIN A B D INV QR3001 UN2213 L3001 390u S PICTURE 1 S A VR R3008 1500 R3028 75 C3021 0 01 L3002 18u...

Страница 63: ...06 39P C3005 0 1 R3002 1500 R3001 6800 C3003 12P C3004 120P C3007 0 1 R3007 2200 C3008 0 1 C3009 0 1 R3009 1K C3011 0 1 C3015 25V3 3 C3016 16V10 C3010 0 1 C3017 50V2 2 C3018 50V1 C5008 0 01 C5009 0 01...

Страница 64: ...06 39P C3005 0 1 R3002 1500 R3001 6800 C3003 12P C3004 120P C3007 0 1 R3007 2200 C3008 0 1 C3009 0 1 R3009 1K C3011 0 1 C3015 25V3 3 C3016 16V10 C3010 0 1 C3017 50V2 2 C3018 50V1 C5008 0 01 C5009 0 01...

Страница 65: ...3 Q6003 2SD601A POWER ON ON R6031 100K POWER ON ON QR6001 UN2112 5V REG Q3007 2SC1959Y C1307 0 01 R1303 470 C1306 6V47 D1302 MA4056NH 5V REG Q1302 2SD602A R1302 1800 C1304 0 01 C1303 6V47 D1303 MA4056...

Страница 66: ...3 Q6003 2SD601A POWER ON ON R6031 100K POWER ON ON QR6001 UN2112 5V REG Q3007 2SC1959Y C1307 0 01 R1303 470 C1306 6V47 D1302 MA4056NH 5V REG Q1302 2SD602A R1302 1800 C1304 0 01 C1303 6V47 D1303 MA4056...

Страница 67: ...405R PLAY S7009 EVQ21405R JET REW R7016 3600 S7010 EVQ21405R REFRESH R7017 5100 R7002 12K R7008 1800 NOTE DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING WHEN YOU ORDER A PART...

Страница 68: ...405R PLAY S7009 EVQ21405R JET REW R7016 3600 S7010 EVQ21405R REFRESH R7017 5100 R7002 12K R7008 1800 NOTE DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING WHEN YOU ORDER A PART...

Страница 69: ...1 25V 60Hz MESCAM 50Hz over than 1 25V In In In 11 CURRENT LIMIT O Control terminal for the Capstan current limit Output impedance MIN 1K TYP 2 5K MAX 4 0K In DA 0V Low In DA 0V 12 EEPROM_CS O Chip Se...

Страница 70: ...nput terminal for composite video signal In In In 51 KILLER I When a signal that V sync is 50Hz being input or playing back PAL MESECAM distinction result input terminal Low is put into this terminal...

Страница 71: ...Outputting the 125Hz Normal ope Low Normal ope 74 CAP R F O The rotation direction control terminal of the capstan driver RVS High FWD Low Low Low Low 75 LED_LEFT O LED ON OFF control terminal High O...

Страница 72: ...FG I Input terminal for the Cylinder PG FG In In In 91 OREF O 1 2 VDD reference voltage output terminal for the Analogue AMP Out Out Out 92 IREF I 1 2 VDD reference voltage input terminal for the Anal...

Страница 73: ...ION SW1 POSITION SW2 32 31 POSITION SW3 POSITION SW4 30 SW1 SW2 SW3 SW4 SW1 SW2 SW3 SW4 1 2 3 4 5 S6002 MODE SW T PHOTO 3 S PHOTO 7 SAFETY TAB 26 S REEL 79 T REEL 80 TL6003 TL6004 2 3 1 4 5V 3 2 1 4 I...

Страница 74: ...4 FILTER QR3002 PICTURE 1 FROM SYSTEM CONTROL QR3003 QR3001 MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE TO FROM SYSTEM CONTROL 1 VIDEO IN CU7001 RF CONVERTER TL3003 TL3002 SECAM MIX...

Страница 75: ...P PREAMP HEAD SW CONTROL 86 87 88 89 91 92 93 94 81 79 78 84 HPF ENV DET 4 PHASE GENE SYNC SEP 1 2 PHASE SW DOWN CONV ACC DET 1 2 2FL VCO PULSE GENE PB REC DISCRI REC AFC COLOUR KILLER ID DET APC SW P...

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