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Panasonic NV-SJ400A Service Manual
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Panasonic NV-SJ400A Service Manual

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ORDER NO. VRD0006020C3
Video Cassette Recorder
NV-SJ400A / NV-SJ200A
Z-MECHANISM
SPECIFICATIONS
2000 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1

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Summary of Contents for Panasonic NV-SJ400A

  • Page 1 ORDER NO. VRD0006020C3 Video Cassette Recorder NV-SJ400A / NV-SJ200A Z-MECHANISM SPECIFICATIONS 2000 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 2 / Please refer to the service manual for Z- Mechanism Chassis. (Order No. VRD9802005C2) 2. The Model No. is indicated on the Schematic Diagram and Circuit Board Diagrams as follows. Model No. Indication Mark NV-SJ400A (SJ400) NV-SJ200A (SJ200) 2. GENERAL DESCRIPTIONS 2.1. SERVICE INFORMATION 2.1.1.
  • Page 3 Method: Before replacing IC6001, MAIN C.B.A. and/or B6001: 1. Take a note that stored TV broadcasts channels.(Because , its user may store TV broadcasts by manually other than "Auto Tuning" operation and it is also erased.) After replacing IC6001, MAIN C.B.A. and/or B6001: 1.
  • Page 4 2.1.2. CYLINDER UNIT REPLACEMENT 1. CYLINDER UNIT REPLACEMENT A. Remove the mechanism unit from MAIN C.B.A./Chassis by referring“SECTION 3. Disassembly Method”. 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 fiexible card from the FPC Holder.
  • Page 5 B. Remove the Cylinder Stator Unit. C. Remove 2 screws (B). D. Remove the Cylinder Rotor Unit. E. Loose Hex screw (C) (1.5 mm) and remove the CYLINDER RETAINER. F. Remove the Upper Cylinder. Fig. S3 3. UPPER CYLINDER ASSEMBLY When reassembling, perform the steps in the reverse order.
  • Page 6 1. Install the Cylinder Retainer so that the 2 holes on top of the Cylinder Retainer are at right angles with the Cylinder Connection. 2. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer. Fig.
  • Page 7 7. Confirm the PG SHIFTER ADJUSTMENT with the alignment tape (PAL: VFJ8125H3F) and adjust it if necessary. 2.1.3. CHECKING OF MAIN C.B.A. When servicing the MAIN C.B.A., take out the MAIN C.B.A. and mechanism from the frame and turn over. Fig.
  • Page 8 C. Rotate the Capstan Motor clockwise from the bottom side to take up the tape. Fig. S10 D. Rotate the Main Cam Gear clockwise until the cassette tape is ejected. 2.3. INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE / (POLISHING TYPE) 1. We are pleased to introduce Panasonic Video Head Cleaning...
  • Page 9 Cassette,VFK0923FT [for service purposes] andVFK0923FSE [ for end users] for all VHS/SVHS VCP and VCR. 2. These cleaning cassettes are exclusive removing the hard and sticky clogging on video heads. 3. These improve the efficiency of video head cleaning service and shortening cleaning time for end users.
  • Page 10 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 Note: The tape material itself is the same in both types. 3. ADJUSTMENT PROCEDURES 3.1. DISASSEMBLY METHOD 3.1.1.
  • Page 11 3.1.2. DETAIL OF DISASSEMBLY METHOD 1. REMOVAL OF THE TOP PANEL Remove 2 Screws (A) Fig.D2 2. REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs (B) Fig. D3...
  • Page 12 3. REMOVAL OF THE MECHANISM UNIT Remove Screw (C) Remove 3 Screws (D) Remove 2 Screws (E) Note: 1. Keep pressing 2 stoppers on Cassette Holder Plate and Press Cassette Holder Plate to the rear. 2. Remove the Mechanism Unit after bend the Cylinder Shield in the direction of the arrow.
  • Page 13 Remove AC CORD HOLDER Remove 4 Screws (F) Unlock 4 Tabs (G) Fig. D5 5. SERVICING POSITION Fig. D6 3.2. MECHANICAL ADJUSTMENT PROCEDURES Refer to the Service Manual for Z-Mechanism Chassis. / (Order No. VRD9802005C2) 3.3. ELECTRICAL ADJUSTMENT PROCEDURES 3.3.1. PG SHIFTER ADJUSTMENT / (AUTOMATIC)
  • Page 14 PROCEDURES FIP Display Press the FF and EJECT keys simultaneously for 3 seconds. Press the FF and EJECT keys simultaneously more twice. Press the EJECT key for 3 seconds. Insert the Alignment Tape. (PAL: VFJ81215H3F) (NTSC: VFM8080HQFP) This adjustment is automatically started.
  • Page 15 8. SCHEMATIC DIAGRAMS 8.1. POWER TRANSFORMER SCHEMATIC DIAGRAM 8.2. POWER SUPPLY/RF SECTION IN MAIN SCHEMATIC DIAGRAM 8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM 8.4. SYSTEM CONTROL& SERVO SECTION IN MAIN SCHEMATIC DIAGRAM 8.5. LUMINANCE& CHROMINANCE/AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM 8.6.
  • Page 16 10.2. CASING PARTS SECTION...
  • Page 17 10.3. PACKING PARTS SECTION...
  • Page 19 11. REPLACEMENT PARTS LIST 11.1. CHASSIS PARTS SECTION PARTS LIST Ref. No. Part No. Part Name& Description Remarks 1 (1) VEG1550 CYLINDER UNIT NV-SJ400A 1 (1) VEG1549 CYLINDER UNIT [SUPPLIED FROM MAV] NV-SJ200A 2 (1) VXP2052 UPPER CYLINDER UNIT NV-SJ400A...
  • Page 20 Ref. No. Part No. Part Name& Description Remarks 41 (1) VXL2667 TAKE UP BRAKE ARM UNIT 43 (1) VXL2670 TAKE UP LOADING ARM UNIT 1 44 (1) VXL2798 TENSION ARM UNIT 45 (1) VXL2672 SUPPLY LOADING ARM UNIT 46 (1) VXL2785 PINCH ARM UNIT 47 (1)
  • Page 21 Ref. No. Part No. Part Name& Description Remarks 101 (2) VGM1695 TOP PANEL 102 (2) VYP7808 FRONT PANEL UNIT NV-SJ400A 102 (2) VYP7811 FRONT PANEL UNIT [SUPPLIED FROM MAV] NV-SJ200A 103 (2) VKA0192 104 (2) VKF3251 BLINDER PANEL 105 (2)
  • Page 22 Ref. No. Part No. Part Name& Description Remarks 201 (3) VQT8773 OPERATING INSTRUCTIONS NV-SJ400A (ENGLISH) 201 (3) VQT8781 OPERATING INSTRUCTIONS [SUPPLIED FROM MAV] (ENGLISH) NV-SJ200A 202 (3) EUR571759 REMOTE CONTROLLER NV-SJ400A 202 (3) EUR571757 REMOTE CONTROLLER [SUPPLIED FROM MAV] NV-SJ200A...
  • Page 23 VEP06D47R MAIN C.B.A. [SUPPLIED FROM MAV] (RTL) NV-SJ200A ------------ CAPSTAN DRIVE C.B.A. INCLUDED IN CAPSTAN UNIT (VEK9069). VEP06D47J MAIN C.B.A. (RTL) NV-SJ400A B6001 CR2354-1GUF LITHIUM BATTERY C1001 ECUM1H103ZFN C.CAPACITOR CH 50V 0.01U C1002 ECUM1H103ZFN C.CAPACITOR CH 50V 0.01U C1004 VCEA0JCB101 E.CAPACITOR 6.3V 100U...
  • Page 24 Ref. No. Part No. Part Name& Description Remarks C2008 ECUM1C474KBN C.CAPACITOR CH 16V 0.47U C2009 VCEA1HCB3R3 E.CAPACITOR 50V 3.3U C2010 ECUM1H392KBN C.CAPACITOR CH 50V 3900P C2012 ECUM1H681JCN C.CAPACITOR CH 50V 680P C2013 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U C2014 ECUM1E563KBN C.CAPACITOR CH 25V 0.056U C2015 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U...
  • Page 25 Ref. No. Part No. Part Name& Description Remarks C3046 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U C3048 VCEA1HCB3R3 E.CAPACITOR 50V 3.3U C3049 ECUM1H222KBN C.CAPACITOR CH 50V 2200P C3050 ECUM1E104KBN C.CAPACITOR CH 25V 0.1U C3051 ECUM1H103KBN C.CAPACITOR CH 50V 0.01U C3052 VCEA1HCB010 E.CAPACITOR 50V 1U C3053 VCEA0JCB101 E.CAPACITOR 6.3V 100U...
  • Page 26 Ref. No. Part No. Part Name& Description Remarks C6013 VCEA0JEC471 E.CAPACITOR 6.3V 470U C6015 ECUM1H103ZFN C.CAPACITOR CH 50V 0.01U C6020 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U C7502 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U C7503 ECUM1H120JCN C.CAPACITOR CH 50V 12P C7504 VCEA0JCB101 E.CAPACITOR 6.3V 100U C7505 VCEA1HCB100 E.CAPACITOR 50V 10U...
  • Page 27 Ref. No. Part No. Part Name& Description Remarks D7601 MA4300N-M DIODE D7702 1SS254 DIODE DP7501 VSL0543 DISPLAY TUBE F1101 XBA2C16TB0 FUSE IC1001 PQ20VB2E IC1150 STRF6552 IC1200 TL431CLP IC2501 AN3811NK IC3001 AN3531NFBS IC3501 AN3368SB IC6001 MN101D02GMC IC6002 RPI354N IC6003 RPI354N IC6004 PNA4611M08VT PHOTO DIODE IC6005...
  • Page 28 L7701 VLQ0599J680 COIL 68UH...
  • Page 29 Ref. No. Part No. Part Name& Description Remarks LB1150 VLP0056 FERRITE BEAD LB3501 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 LB3502 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 LB3503 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 LB3504 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 LB4002 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 LB4004 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0...
  • Page 30 R1006 ERDS2TJ102 C.RESISTOR 1/4W 1K...
  • Page 31 Ref. No. Part No. Part Name& Description Remarks R1007 ERDS2TJ103 C.RESISTOR 1/4W 10K R1008 ERJ6GMYJ182 M.RESISTOR CH 1/10W 1.8K R1009 ERJ6GMYG683 M.RESISTOR CH 1/10W 68K R1010 ERJ6GMYG433 M.RESISTOR CH 1/10W 43K R1011 ERJ6GMYG752 M.RESISTOR CH 1/10W 7.5K R1013 ERDS2TJ103 C.RESISTOR 1/4W 10K R1120 ERC12AGM334 S.RESISTOR 1/2W 330K...
  • Page 32 Ref. No. Part No. Part Name& Description Remarks R3005 ERJ6GMYJ224 M.RESISTOR CH 1/10W 220K R3006 ERJ6GMYJ684 M.RESISTOR CH 1/10W 680K R3007 ERDS2TJ471 C.RESISTOR 1/4W 470 R3008 ERJ6GMYJ471 M.RESISTOR CH 1/10W 470 R3009 ERJ6GMYJ750 M.RESISTOR CH 1/10W 75 R3010 ERJ6GMYJ822 M.RESISTOR CH 1/10W 8.2K R3013 ERJ6GMYJ123 M.RESISTOR CH 1/10W 12K...
  • Page 33 Ref. No. Part No. Part Name& Description Remarks R4040 ERJ6GMYJ332 M.RESISTOR CH 1/10W 3.3K R4041 ERJ6GMYJ103 M.RESISTOR CH 1/10W 10K R4042 ERJ6GMYJ222 M.RESISTOR CH 1/10W 2.2K R4043 ERJ6GMYJ332 M.RESISTOR CH 1/10W 3.3K R4044 ERJ6GMYJ471 M.RESISTOR CH 1/10W 470 R4047 ERJ6GMYJ562 M.RESISTOR CH 1/10W 5.6K R4508 ERJ6GMYJ473...
  • Page 34 Ref. No. Part No. Part Name& Description Remarks R7521 ERJ6GMYJ153 M.RESISTOR CH 1/10W 15K R7522 ERJ6GMYJ563 M.RESISTOR CH 1/10W 56K R7601 ERDS2TJ331 C.RESISTOR 1/4W 330 R7602 ERDS2TJ331 C.RESISTOR 1/4W 330 R7603 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 R7604 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 R7605 ERJ6GMYJ102 M.RESISTOR CH 1/10W 1K...
  • Page 35 Ref. No. Part No. Part Name& Description Remarks C1124 VCK0286E102 CERAMIC CAPACITOR C1132 ECQU2A104MVA P.CAPACITOR 250V 0.1U C1140 ECEC2GG680 E.CAPACITOR 400V 68U C1150 ECKF1H102KB C.CAPACITOR 50V 1000P C1151 ECCZ3A101KGE C.CAPACITOR 1KV 100P C1152 ECKD2H103PU C.CAPACITOR 500V 0.01U C1153 ECA1VGE470X E.CAPACITOR 35V 47U C1180 ECEA0JGE331 E.CAPACITOR 6.3V 330U...
  • Page 36 C3007 ECUM1E563KBN C.CAPACITOR CH 25V 0.056U...
  • Page 37 Ref. No. Part No. Part Name& Description Remarks C3008 VCEA0JCB220 E.CAPACITOR 6.3V 22U C3009 VCEA0JCB221 E.CAPACITOR 6.3V 220U C3010 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U C3011 VCEA1ECB4R7 E.CAPACITOR 25V 4.7U C3012 VCEA0JCB221 E.CAPACITOR 6.3V 220U C3013 ECUM1H104ZFN C.CAPACITOR CH 50V 0.1U C3014 VCEA1ECB4R7 E.CAPACITOR 25V 4.7U...
  • Page 38 Ref. No. Part No. Part Name& Description Remarks C4027 ECUM1H122JCN C.CAPACITOR CH 50V 1200P C4028 VCEA1HCB010 E.CAPACITOR 50V 1U C4029 VCEA0JCB220 E.CAPACITOR 6.3V 22U C4030 ECUM1H822KBN C.CAPACITOR CH 50V 8200P C4031 ECUM1C105ZFN C.CAPACITOR CH 16V 1U C4037 ECUM1H152KBN C.CAPACITOR CH 50V 1500P C4038 ECUX1H223KBN C.CAPACITOR CH 50V 0.022U...
  • Page 39 Ref. No. Part No. Part Name& Description Remarks D1153 MA185 DIODE D1180 1SS254 DIODE D1200 1SS254 DIODE D1201 1SS254 DIODE D1230 ERA22-04 DIODE D1250 RL2ZP DIODE D1261 21DQ06FC4 DIODE D1270 ERA22-04 DIODE D1280 11EQS06 DIODE D2001 1SS254 DIODE D2002 1SS254 DIODE D2003 1SS254...
  • Page 40 L1250 VLQ0655K220 COIL 22UH...
  • Page 41 Ref. No. Part No. Part Name& Description Remarks L1260 VLQ0655K220 COIL 22UH L1270 ELESE101KA COIL 100UH L2501 VLQ0599J680 COIL 68UH L3001 VLQ0599J680 COIL 68UH L3002 VLQ0599J390 COIL 39UH L3003 VLQ0599J680 COIL 68UH L3004 VLQ0599J680 COIL 68UH L3005 VLQ0599J121 COIL 120UH L3006 VLQ0599J680 COIL 68UH...
  • Page 42 QR3011 MUN2213 TRANSISTOR...
  • Page 43 Ref. No. Part No. Part Name& Description Remarks QR3502 MUN2212 TRANSISTOR QR4001 MUN2111 TRANSISTOR QR4002 MUN2211 TRANSISTOR QR4004 MUN2212 TRANSISTOR QR4005 UN2215 TRANSISTOR-RESISTOR QR4006 UN2215 TRANSISTOR-RESISTOR QR4502 UN2215 TRANSISTOR-RESISTOR QR4505 MUN2113 TRANSISTOR QR6001 MUN2211 TRANSISTOR R1001 ERJ6GMYJ562 M.RESISTOR CH 1/10W 5.6K R1002 ERJ6GMYJ562 M.RESISTOR CH 1/10W 5.6K...
  • Page 44 Ref. No. Part No. Part Name& Description Remarks R2005 ERJ6GMYJ273 M.RESISTOR CH 1/10W 27K R2006 ERJ6GMYJ682 M.RESISTOR CH 1/10W 6.8K R2007 ERJ6GMYJ101 M.RESISTOR CH 1/10W 100 R2501 ERJ6GMYJ103 M.RESISTOR CH 1/10W 10K R2502 ERJ6GMYJ103 M.RESISTOR CH 1/10W 10K R2503 ERDS2TJ330 C.RESISTOR 1/4W 33 R2504 ERDS2TJ330...
  • Page 45 Ref. No. Part No. Part Name& Description Remarks R4016 ERJ6GMYJ331 M.RESISTOR CH 1/10W 330 R4017 ERJ6GMYJ122 M.RESISTOR CH 1/10W 1.2K R4019 ERJ6GMZ0R00 M.RESISTOR CH 1/10W 0 R4021 ERJ6GMYJ471 M.RESISTOR CH 1/10W 470 R4028 ERJ6GMYJ163 M.RESISTOR CH 1/10W 16K R4029 ERJ6GMYJ473 M.RESISTOR CH 1/10W 47K R4030 ERJ6GMYJ333...
  • Page 46 Ref. No. Part No. Part Name& Description Remarks R7509 ERJ6GMYJ103 M.RESISTOR CH 1/10W 10K R7510 ERJ6GMYJ271 M.RESISTOR CH 1/10W 270 R7512 ERDS2TJ150 C.RESISTOR 1/4W 15 R7514 ERJ6GMYJ392 M.RESISTOR CH 1/10W 3.9K R7515 ERJ6GMYJ392 M.RESISTOR CH 1/10W 3.9K R7516 ERJ6GMYJ332 M.RESISTOR CH 1/10W 3.3K R7517 ERJ6GMYJ332 M.RESISTOR CH 1/10W 3.3K...
  • Page 47 Pin No. In/Out Port Name Function Normal/Service/Test2/Test mode selection. INPUT VOLTAGE MODE More than 4.0V Normal NORM/SERV/T2/TEST 2.5V - 4.0V Service 1.0V - 2.5V Test 2 Less than 1.0V Test T-PHOT This port receives less than 2.4V when Take-up photo sensor detects the tape beginning. S-PHOT This port receives less than 2.4V when Supply photo sensor detects the tape end.
  • Page 48 IC6001 CAPSTAN IC7501 IC0201 (CAPSTAN MOTOR DRIVE) (SYSTEM CONTROL/SERVO IC) DP7501 MOTOR L0201 TL0201 P0201 P2002 MOTOR DIFFERENTIAL TORQUE CURRENT DRIVE AMPRIFIER CONTROL LIMIT TIMER DISPLAY 14.3MHz IN 38 CAPSTAN P0201 P2002 ERROR TORQUE X6002 14.3MHz OUT 37 POSITION CAPSTAN P0201 P2002 TORQUE...
  • Page 49 MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE (SJ400) IC3001 QR3502 QR3501 PEAKING H-TRAP NLDE SYSTEM C SYNC CONTROL DOUB IC3501 PICT TW3030 DELAY AMP & FROM TUNER VIDEO H.AMP TUNER FAMI CLP1 (SJ400) JK3001 P3501 (FRONT) REC-Y FAMI...
  • Page 50 R0206 (FG HEAD) R0212 R0213 Q0203 P0201 Q0202 IC0201 R0207 CURR LIMIT (CAPSTAN MOTOR DRIVE) HOLE HOLE CAP ET SENSOR SENSOR CAP ED/S RCC SET CAP FG1 Q0201 GND(FG) R0210 C0201 REG 5V GND(MOTOR) D0203 TL0204 TL0202 TL0203 LOAD MOTOR(-) LOAD MOTOR(+) TL0201 PS 14V...
  • Page 51 CYLINDER SERVO SPEED LOOP P2901 MAIN COIL 2 P2501-9 MAIN COIL 3 P2501-8 P2501-7 P2501-6 HALL IC GND(CYL) P2501-5 P2501-4 P2501-3 MAIN COIL 1 P2501-2 P2501-1 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 52 VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION IC3501 :TO LUMINANCE & CHROMINANCE/AUDIO SECTION AN3368SB:SJ400 AN3365SB:SJ200 L3501 H SW VIDEO 5V C3502 C3501 (SJ200) 6V47 0.01 HEAD SW...
  • Page 53 :TO POWER SUPPLY/RF SECTION THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY CAUTION :TO TIMER SECTION FROM THE SECONDARY CIRCUIT. PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS. T1150 ETE28K131AZ:SJ400 VLT0972:SJ200 LB1122 C1121...
  • Page 54 VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE ;TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION Q1001 IC1001 2SD602A...
  • Page 55 :TO POWER SUPPLY/RF SECTION CAPSTAN SERVO SPEED LOOP CAPSTAN SERVO PHASE LOOP CYLINDER SERVO SPEED LOOP CYLINDER SERVO PHASE LOOP :TO LUMINANCE & CHROMINANCE/AUDIO SECTION H :TO HEAD AMP SECTION :TO TIMER SECTION D2003 R6034 R6031 R6032 R6033 1SS254 DS6001 EYHS10Y2 P6001 DEW SENSOR...
  • Page 56 P2002 CURR LIMIT CAP ET R2003 C2008 3900 0.47 CAP ED/S CAP FG1 GND(FG) REG 5V GND(MOTOR) C2015 LOAD MOTOR(-) LOAD MOTOR(+) REG 14V UNLOADING LOADING IC2501 AN3811NK (CYLINDER DRIVE) POWER(NPN Tr.X3) C2013 CHARGE B-EMF DET DISCHARGE CIRCUIT MODE SELECT P2001 (TO LOADING MOTOR) LOAD MOTOR(+)
  • Page 57 :TO POWER TRANSFORMER SECTION :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION DP7501 VSL0543 S-VHS SP ON REMAIN R7512 PS HEATER(+) HEATER(-) D7502 C7505 R7510 MA4220NH 50V10 UNREG -29V R7504 IC7501 M35502AFP R7507 220 C7503 S.DATA R7508 220 S.CLOCK FIP CS POWER...
  • Page 58 :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION H :TO HEAD AMP SECTION T4002 VLT0895 R4041 C4040 1000P P4001 (TO A/C HEAD) AUDIO ERASE IN (4.7) R4040 C4041 A.HEAD (W) 3300 Q4005 (-0.6) 0.022 A.HEAD (R) 2SD602A CTL HEAD (-) (OSC) CTL HEAD (+)
  • Page 59 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 L3001 C3004 R3004 R3006 C3011 1500 680K C3009 25V4.7 6V220 L3003 C3003 C3002 R3003 C3014...
  • Page 60 CYLINDER STATOR UNIT Integrated Circuit HALL IC Connector P2901 ADDRESS INFORMATION M1 VM HALL IC VM M2 P2901 (VEM0715)
  • Page 61 (VEP06D47J:NV-SJ400A)(VEP06D47R:NV-SJ200A) P1102 10PIN:SJ400 5PIN:SJ200 (SJ400) (SJ200) (SJ400) (SJ200) (SJ400) (SJ400) (SJ400) (SJ400) (SJ400) (SJ400) (SJ400)
  • Page 62 T1150-3 STOP T1150-7 STOP IC1150-1 STOP IC1150-2 STOP IC1150-3 STOP 4.0Vp-p (2msec. div.) 100Vp-p (5 sec. div.) 2.0Vp-p (10 sec. div.) 15Vp-p (10 sec. div.) 450Vp-p (5 sec. div.) IC1150-4 STOP IC2501-1,2,16 REC IC6001-3,4 FF/REW IC6001-14 REC IC6001-15,16 REC 2.0Vp-p (10 sec.
  • Page 63 IC3001-37 REC/PLAY IC3001-38 REC/PLAY IC3001-42,43 PLAY IC3001-48 REC IC3001-52 REC/PLAY 4.8Vp-p (10msec. div.) 4.8Vp-p (10msec. div.) 0.4Vp-p (20 sec. div.) 1.0Vp-p (20 sec. div.) 2.0Vp-p (20 sec. div.) IC3001-56 REC/PLAY IC3001-73 REC IC3001-78 IC3501-1 REC/PLAY Q4005-C REC 5.0Vp-p (20 sec. div.) 1.2Vp-p (5msec.
  • Page 64 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 65 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 66 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 67 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 68 MAIN C.B.A. Transistor IC1200 Q1001 IC2501 Q1003 IC3001 IC3501 Q1004 Q1005 IC6001 Q1007 IC6002 IC6003 Q1180 Q1181 IC6004 Q1200 IC6005 IC7501 Q3001 Q4003 Test Point Q4004 TL2015 Q4005 TL3001 Q4006 TL6001 TL6010 Q6001 Q6002 TL6012 Q7701 TL6013 TL6090 Transistor & Resistor QR1001 TL7509 QR3003...
  • Page 69 SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) IC2501 Ref. No. MODE STOP 15.1 15.1 15.3 15.1 PLAY 15.0 15.0 15.3 15.0 15.0 15.0 15.3 15.0 14.7 14.7 15.1 14.7 14.7 14.7 15.1 14.7 IC6001 Ref. No. MODE STOP PLAY IC6001...
  • Page 70 Pin No. In/Out Port Name Function P.FAIL.IN(L) Power failure detection input. SP(L) This port supplies low during SP mode. S.REEL.PULSE Supply reel pulse input. T.REEL.PULSE Take-up reel pulse input. I.R. Remote Controller pulse input. OSD REC1 OSD REC control output. OSD REC1 OSD REC control output.
  • Page 71 Pin No. In/Out Port Name Function Digital 5V 14.32MHz OUT Oscillator output. 14.32MHz IN Oscillator input. 32KHz IN Oscillator input. 32KHz OUT Oscillator output. CLK SLCT Operating mode select. MESECAM This port supplies high during Superimpose OSD is displayed in MESECAM mode. PICTURE MODE1 Picture mode control output.

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