Panasonic NV-SJ4140PN Service Manual
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Panasonic NV-SJ4140PN Service Manual

Panasonic NV-SJ4140PN Service Manual

Video cassette recorder
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ORDER NO. VR0302001C3
Video Cassette Recorder
NV-SJ4140PN / NV-FJ6140PN
SPECIFICATIONS
2003 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1. SAFETY PRECAUTIONS
GENERAL GUIDELINES
1

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  • Page 1 ORDER NO. VR0302001C3 Video Cassette Recorder NV-SJ4140PN / NV-FJ6140PN SPECIFICATIONS 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. SAFETY PRECAUTIONS GENERAL GUIDELINES...

  • Page 2: Important Safety Notice

    1. IMPORTANT SAFETY NOTICE There are special components used in this equipment which are important for safety. These parts are marked by in the Schematic Diagrams, Circuit Board Layout, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards.

  • Page 3: Prevention Of Electro-Static Discharge

    isolation transformer for this check. 2. Connect a 1.5 k , 10 W resistor, in parallel with a 0.15 capacitor, between each exposed metallic part on the set and a good earth ground, as shown in figure 1. 3. Use an AC voltmeter, with 1 k /V or more sensitivity, to measure the potential across the resistor.

  • Page 4: About Lead Free Solder (Pbf)

    prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. 3.

  • Page 5: Service Notes (Please Read)

    4. SERVICE NOTES (PLEASE READ) 4.1. SERVICE NOTES 4.1.1. SIMPLIFIED FAULT FINDING DATA implified Self-Diagnostic System facilitates finding the cause of the fault. A 3-digit fault code will be displayed in F.I.P. The Simplified Fault finding data is stored in the Memory IC (IC6005). This data is cleared after it is displayed, and then the POWER button is pressed back on.
  • Page 6 Fig. 1-4 Fig. 1-5...
  • Page 7 3. When 1 to 4 listed in Lock code occurs, Lock data will be stored in the Memory IC (latest Lock data only). Note: 1. Lock data will be kept after the AC Cord is unplugged. 2. When 1 to 4 listed in Lock code occurs for the first time, the VCR does not go into VCR shut-off condition.
  • Page 8 Note: 1. After replacing the Cylinder Unit, press COUNTER RESET button on remote in this mode. Total elapsed "Cylinder rotation" time (in hours) will be cleared to 0. 2. To release from Usage Screen Mode, press any operation button on VCR or insert a cassette tape in this mode. The VCR will return to normal operation mode.
  • Page 9 4.1.4.1.2. Service Position (2-1) (Normal Frame Model) Fig. 3-2-1 4.1.4.1.3. Service Position (2-2) (Wide Frame Model) Fig. 3-2-2...
  • Page 10 Note: 1. It is possible that the S-Tab SW. may not work correctly in Service Position (2-1), (2-2). (Recording can not be done). In this case, short the S-Tab SW. Pins on the foil side of the Main C.B.A. to turn this SW.
  • Page 11 4.1.5. HOT CIRCUIT Primary circuit exists on the Main C.B.A. This circuit is identified as "HOT" on the C.B.A. and in the Service Manual. Use extreme care to prevent accidental shock when servicing. 4.1.6. SERVICE MODE In order to inhibit detection of the Supply & Takeup Photo Transistors, Reel Sensor, and Cylinder Lock, press and hold FF button and CH DOWN buttons on VCR together over 5 seconds in power off condition.
  • Page 12 To release from this mode, press PLAY or STOP button. 4.1.8. CAUTION FOR INSTALLATION OF FRONT PANEL ASS’Y CAUTION: Opener Lever may be damaged when Front Panel Ass’y is installed, with Cassette Door-Lid of Front Panel Ass’y and Opener Lever of Cassette Up Ass’y set incorrectly.
  • Page 13 4.1.9.2. (Electrical Method) Apply +10.0 V DC Power Supply to the Loading Motor terminals. Loading DC + to Portion "a," DC - to Portion "b" Unloading DC - to Portion "a," DC + to Portion "b" CAUTION: Before applying DC Power Supply, be sure to cut the Motor Leads with a cutter, etc.
  • Page 14 4.1.10. HOW TO REMOVE A JAMMED TAPE CAUTION: Wiper Arm Unit may be damaged or its spring may be out of place when the jammed tape is removed by force. Remove a jammed tape as follows: 4.1.10.1. Manual Method When a tape jam is encountered, check the tape loading condition and use the following procedure to remove a tape jam.
  • Page 15 2. Remove the tape from the tape path. 3. Rewind the tape into the cassette by rotating the Center Clutch Unit counterclockwise. 4. Unhook Spring (A) of the Drive Rack Arm. 5. Remove Screw (A). 6. Lift the Cassette Up Ass’y. While pulling the Cassette Up Ass’y out far enough so that it clears the Drive Rack Arm, slide the Drive Rack Unit as indicated by the arrow to remove the cassette tape from the Cassette Up Ass’y.
  • Page 16 1. Perform Step 2 through Step 7 of Method -1. Note: After repairing mechanical trouble, make sure that all gear alignments are correct, especially the Wiper Arm Unit and Drive Rack Unit of Cassette Up Ass’y. (Refer to "EJECT Position Confirmation"...
  • Page 17 4.1.11. F.P.C. CONNECTION NOTE 4.1.11.1. F.P.C. between the Capstan Motor and the Cylinder Be careful with the direction of F.P.C. to connector as shown. Fig. 9 4.1.12. BLACK SCREWS ON THE CHASSIS Black Screws are used on the Mechanism Chassis to identify screws that require adjustment. 4.1.13.

  • Page 18: Disassembly/Assembly Procedures

    1. Connect an RF cable from the output of one unit to the input of the test unit. 2. Select corresponding RF channels. 3. Playback a recording of P.B.S. channel including clock set data and confirm this feature. 4.1.15. VARIABLE VOLTAGE ISOLATION TRANSFORMER An Isolation Transformer should always be used during the servicing of VCR whose chassis is not isolated from the AC power line.
  • Page 19 Figure...
  • Page 20 5.1.1.1. Notes in chart 1. Installation of Top Cover Install the Top Cover front portion at a downward angle so that the tab on the Front Panel Ass’y fits into the hole in the Top Cover. Then, lower the rear portion into place and tighten 2 Screws (447). 2.
  • Page 21 Opener Lever may be damaged when Front Panel Ass’y is installed, with Cassette Door-Lid of Front Panel Ass’y and Opener Lever of Cassette Up Ass’y set incorrectly. A. When installing the Front Panel Ass’y, swing the Cassette Door- Lid all the way open until the Cassette Door tab clears the Opener Lever.
  • Page 22 B. Install the Mechanism Chassis and Cassette Up Ass’y straight onto the Main C.B.A. so that the Sensor LED clears the hole in the Mechanism Chassis and that 2 Connectors (P4001, P6201) are aligned and seated securely. 5. Connection of Mechanism Chassis Connect the Flat Cables.
  • Page 23 B. When installing 2 Screws (502), slide the Holder Unit (Refer to " WHEN LOADING WITHOUT A CASSETTE" in Service Notes) to tighten screws. Then, slide it back to the EJECT Position. C. Hook Spring to the Drive Rack Arm on the Mechanism Chassis. 5.2.
  • Page 24 5.2.3. EJECT Position Confirmation Fig. J1-2...
  • Page 25 5.2.4. Full Erase Head and Cylinder Unit Fig. J2 5.2.4.1. Reassembly Notes 1. After replacing the Cylinder Unit, clear the Total elapsed "Cylinder rotation" time (in hours) to 0. Refer to "USAGE SCREEN MODE" in...
  • Page 26 SERVICE NOTES. 5.2.5. Capstan Belt, Support Angle, Intermediate Gear B, and Main Cam Gear Fig. J3-1 5.2.5.1. Reassembly Notes 1. Alignment of Main Cam Gear, Drive Rack Arm, and Main Rod A. Confirm that the hole on Main Rod is a Through Hole with a hole on chassis.
  • Page 27 2. Confirmation/Alignment of Intermediate Gear B, Main Cam Gear, and Intermediate Gear A A. Confirm that the Hole A on Lift Gear is a Through Hole with a hole on chassis. B. Confirm that the hole on Intermediate Gear A is aligned with the hole on Lift Gear.
  • Page 28 Hole with Hole A on Support Angle in EJECT mode. The each mode Hole on Main Cam Gear should be a Through Hole with Hole B on Support Angle in each mode. Fig. J3-5 4. Main Cam Gear Kit A. Main Cam Gear is supplied as a Main Cam Gear Kit only. Main Cam Gear Kit consists of a Main Cam Gear and a Main Cam Push Nut.
  • Page 29 5.2.6.1. Reassembly Notes 1. Installation of Center Clutch Unit A. Fit the Center Clutch Unit into the Changing Gear. Fig. J4-2 5.2.7. Reel Gear, Main Rod, and SS Brake Arm Unit Fig. J5-1...
  • Page 30 5.2.7.1. Reassembly Notes 1. Alignment of Main Rod and T Loading Arm Unit A. Align the Gear on T Loading Arm Unit with Gear of Main Rod. Confirm that the Hole on Main Rod is a Through Hole with a hole on chassis.
  • Page 31 5.2.9. T Loading Arm Unit and S Loading Arm Unit Fig. J7-1 5.2.9.1. Reassembly Notes 1. Alignment of T Loading Arm Unit and S Loading Arm Unit A. Install the S Loading Arm Unit onto the chassis. B. Install the T Loading Arm Unit so that the hole on T Loading Arm Unit is aligned with the hole on S Loading Arm Unit.
  • Page 32 5.2.10. T Brake Unit, Tension Control Arm Unit, T Reel Table, S Reel Table, and Tension Arm Unit Fig. J8-1 5.2.10.1. Reassembly Notes 1. How to distinguish between S Reel Table and T Reel Table Fig. J8-2...
  • Page 33 5.2.11. Loading Post Base -T Unit and Loading Post Base -S Unit Fig. J9 5.2.12. Opener Piece, Drive Rack Arm, Pinch Arm Unit, P5 Arm Unit, and Intermediate Gear A Fig. J10-1...
  • Page 34 5.2.12.1. Reassembly Notes 1. Installation/Alignment of Intermediate Gear A, Lift Gear and P5 Arm Unit A. Rotate the Lift Gear so that Hole A on Lift Gear is a Through Hole with a hole on chassis. B. Install the Intermediate Gear A so that the hole on Intermediate Gear A is aligned with the hole on Lift Gear.
  • Page 35 5.3. CASSETTE UP ASSEMBLY SECTION 5.3.1. Top Plate, Wiper Arm Unit, and Holder Unit Fig. K1-1...
  • Page 36 5.3.1.1. Reassembly Notes 1. Alignment of Wiper Arm Unit and Drive Rack Unit A. Slide the Drive Rack Unit to the far right as indicated by the arrow. B. Install the Wiper Arm Unit so that the hole on the Wiper Arm Unit is aligned with the hole on the Drive Rack Unit.
  • Page 37 2. Installation of Holder Unit A. Turn the Wiper Arm Unit so that the grooves on each end are aligned with the each groove on Side Plate L and R. B. Insert Holder Unit boss (A) and (B) into the grooves as shown in Fig.

  • Page 38: Adjustment Procedures

    5.3.2. Opener Lever and Drive Rack Unit Fig. K2 6. ADJUSTMENT PROCEDURES 6.1. SERVICE FIXTURES AND TOOLS 6.2. MECHANICAL ADJUSTMENT 6.2.1. CLEANING PROCEDURE FOR THE UPPER CYLINDER UNIT 1. While slowly turning the Upper Cylinder Unit counterclockwise by hand, gently rub the Video Heads with a Head Cleaning Stick (VFK27) moistened with Ethanol.
  • Page 39 Note: 1. Do not rub vertically or apply excess pressure to the Video Heads. Do not turn the Upper Cylinder Unit clockwise while cleaning. 2. After cleaning, use a Dry Head Cleaning Stick (VFK27) to remove any Ethanol remaining on the cylinder tape path. Otherwise, tape damage will occur.
  • Page 40 3. If the reading is out of specification, make sure that there is no dust or foreign material between the Brake Pad of Tension Control Arm Unit and the S Reel Table. After cleaning, the reading of tension measurement is still out of specification, replace the Tension Arm Unit and the Tension Control Arm Unit.
  • Page 41 VHS Alignment Tape (VFMS0003H6) Post Adjustment Driver (VFK0329) H-Position Adjustment Driver (VFK0330) 6.2.2.2.1. ENVELOPE OUTPUT ADJUSTMENT The height of the P2 and P3 Posts replacement part is preadjust at the factory. Purpose: To achieve a satisfactory picture and secure precise tracking. Symptom of Misadjustment: If the envelope is output poorly, much noise will appear in the picture.
  • Page 42 2. Press the Tracking Control Up or Down button on remote control. Make sure that the envelope waveform remains flat. If not, readjust P2 and/or P3 post heights. Fig. M3-1 Fig. M3-2 7. After adjustment, confirm that the tape travels without curling at P2 and P3 posts.
  • Page 43 1. Play back a T120 cassette tape and check that the tape travels smoothly between the upper and lower guides of the P4 post. 2. If necessary, adjust Black Screw (B) clockwise until the tape begins to curl at the lower edge of the P4 post. Then adjust the screw counterclockwise until the curling is eliminated.
  • Page 44 6.2.2.2.4. AUDIO CONTROL HEAD AZIMUTH ADJUSTMENT Purpose: To adjust the position and height of the Audio Control Head so that it meets the tape tracks properly. Symptom of Misadjustment: If the position of the Audio Control Head is not properly adjusted, the Audio S/N Ratio is poor.
  • Page 45 If the Horizontal Position of the Audio Control Head is not properly adjusted, a maximum envelope cannot be obtained at the Neutral Position of the Tracking Control Circuit. 1. Insert the alignment tape. 2. Press and hold FF button and CH DOWN buttons on VCR together over 5 seconds in power off condition.
  • Page 46 adjusted by using " On Screen Display " and the remote control instead of adjusting mechanical controls (VR). 6.3.2. TEST EQUIPMENT To do all of these electrical adjustments, the following equipment is required. 1. Dual-Trace Oscilloscope Voltage Range: 0.001 V to 50 V/Div. Frequency Range: DC to 50 MHz Probes: 10:1, 1:1 2.
  • Page 47 T = 6 H±0.5 H (0.38 ms±0.03 ms) Mode : SP Playback Equipment : Oscilloscope, VHS Alignment Tape (VFMS0003H6), TV monitor 1. Insert the VHS Alignment Tape. Then turn off the power. Enter service mode by pressing and holding FF and CH DOWN buttons on VCR together for more than 5 seconds in power off condition.

  • Page 48: Schematic Diagrams

    5. After adjustment is completed, press REC button on the remote. Then " COMP " will appear on the TV monitor and adjusted value will be written to Memory IC (IC6005). Fig.E2-3 6. Press STOP button on the remote to release from EVR PG SHIFTER ADJUSTMENT MODE.

  • Page 49: Circuit Board Layout

    8. CIRCUIT BOARD LAYOUT 8.1. MAIN C.B.A. 9. BLOCK DIAGRAMS 9.1. OVERALL BLOCK DIAGRAM 10. EXPLODED VIEWS 10.1. MECHANISM (TOP) SECTION...
  • Page 50 10.2. MECHANISM (BOTTOM) SECTION...
  • Page 51 10.3. CASSETTE UP COMPARTMENT SECTION...
  • Page 52 10.4. CHASSIS FRAME AND CASING PARTS SECTION...
  • Page 53 10.5. PACKING PARTS AND ACCESSORIES SECTION...

  • Page 54: Replacement Parts Lists

    11. REPLACEMENT PARTS LISTS BEFORE REPLACING PARTS, READ THE FOLLOWING: 11.1. REPLACEMENT NOTES 11.1.1. General Notes 1. Use only original replacement parts: To maintain original function and reliability of repaired units, use...

  • Page 55: Special Note

    only original replacement parts which are listed with their part numbers in the parts list. 2. IMPORTANT SAFETY NOTICE Components identified by the sign have special characteristics important for safety. When replacing any of these components, use only the specified parts. 3.

  • Page 56: Mechanical Adjustment Procedures

    perform "TAPE INTERCHANGEABILITY ADJUSTMENT" in MECHANICAL ADJUSTMENT procedures. 3. In early units, a washer is used. When servicing the washer or the P5 Arm Unit, replace only the P5 Arm Unit with a new one, and remove the washer. 4. Main Cam Gear is supplied as a Main Cam Gear Kit (Ref. No. 8) only.
  • Page 57 COMPLX CMP: Complex Component W FLMPRF: Wirewound Flameproof C.B.A.: Circuit Board Assembly P.C.B.: Printed Circuit Board E.S.D.: Electrostatically Sensitive Devices 3. When replacing 0 resistor, a wire can be substituted for it. 4. Since the UHF/VHF TUNER/TV DEMODULATOR UNIT (Ref. No. 743) has already been pre-adjusted at the factory, do not try to adjust the UHF/VHF TUNER/TV DEMODULATOR UNIT.
  • Page 58 (ERJ6GEYJ825V), C6202 (ECKR1H102KB5), and a cushion (Ref. No. 714: VMTS0059). 11.2. MECHANICAL REPLACEMENT PARTS LIST Definition of Parts supplier: 1. Parts with mark "MKE" in the Remarks column are supplied from MKE. 2. Parts without mark in the Remarks column are supplied from MKI. MECHANICAL REPLACEMENT PARTS Ref.
  • Page 59 Ref. No. Part No. Part Name & Description Remarks VXPS0389 CENTER CLUTCH UNIT VMBS1151 CHANGING GEAR SPRING LSDG0114 CHANGING GEAR VXLS1091 IDLER ARM UNIT LSEM0078 CAPSTAN MOTOR ASS'Y LSMM0007 MAIN ROD LSJW0027 FLEXIBLE FLAT CABLE W/OUT PLUG VXLS1099 S LOADING ARM UNIT VXLS1098 T LOADING ARM UNIT LSDG0116...
  • Page 60 Ref. No. Part No. Part Name & Description Remarks VHDS0460 SCREW,STEEL XYN26+C6 SCREW W/WASHER,STEEL XTV26+5FJ TAPPING SCREW,STEEL VHDS0495 SCREW,STEEL LSHD0074 SCREW,STEEL LSHD0075 TAPPING SCREW,STEEL XTB26+6J TAPPING SCREW,STEEL LSSZ0007 INFRARED RECEIVER UNIT B3CJZ0000004 LED DISPLAY PANEL LSJA0360 AC CORD W/PLUG,AC 120V LSJA0348 AC CORD W/PLUG,AC 120V LSJA0358...

  • Page 61: Integrated Circuits

    INTEGRATED CIRCUITS Ref. No. Part No. Part Name & Description Remarks IC1001 CNC1S101R1KT IC, LINEAR IC1001 CNC1S101S1KT IC, LINEAR IC1001 PS2501-1-X IC, LINEAR IC1002 C0DAEMZ00005 IC, LINEAR IC1002 B1AZKD000001 IC, LINEAR IC1002 C0DAEMZ00001 IC, LINEAR IC3001 NN13400A IC, LINEAR IC3101 MN3885S IC, LINEAR IC4152...
  • Page 62 Ref. No. Part No. Part Name & Description Remarks Q1001 2SC4953001KT TRANSISTOR SI NPN Q1001 B1BADP000012 TRANSISTOR SI PNP Q1001 2SC4533003KT TRANSISTOR SI NPN Q1001 2SC5842001KT TRANSISTOR SI NPN Q1002 2SD225900A TRANSISTOR SI NPN Q1051 B1BACC000010 TRANSISTOR SI NPN Q1051 2SD1581-T TRANSISTOR SI NPN Q1052...
  • Page 63 Ref. No. Part No. Part Name & Description Remarks D1001 DB105G DIODE SI D1001 B0EBKR000003 DIODE SI D1001 B0EBKR000020 DIODE SI D1001 B0EBKR000024 DIODE SI D1002 B0HAHP000014 DIODE SI D1002 B0HAJP000007 DIODE SI D1002 B0HAMP000061 DIODE SI D1002 B0HAMP000069 DIODE SI D1003 B0HAHP000014 DIODE SI D1003...
  • Page 64 Ref. No. Part No. Part Name & Description Remarks R1001 VRESC2TK275 CARBON 1/2W 2.7M R1001 VRESC2TK275C CARBON 1/2W 2.7M R1001 VRESC2TK275T CARBON 1/2W 2.7M R1003 D0AF334JA038 CARBON 1/2W 330K R1004 ERG2SJ333H METAL OXIDE 2W 33K R1005 ERG1SJ560P METAL OXIDE 1W 56 R1006 ERJ6GEYJ222V MGF CHIP 1/10W 2.2K...
  • Page 65 Ref. No. Part No. Part Name & Description Remarks R4007 ERJ6GEYJ821V MGF CHIP 1/10W 820 R4008 ERJ6GEYJ223V MGF CHIP 1/10W 22K R4009 ERJ6GEYJ473V MGF CHIP 1/10W 47K ( A ) R4010 ERJ6GEYJ473V MGF CHIP 1/10W 47K ( A ) R4010 ERJ6GEYJ103V MGF CHIP 1/10W 10K ( B ) R4011...
  • Page 66 Ref. No. Part No. Part Name & Description Remarks R6037 ERJ6GEYJ391V MGF CHIP 1/10W 390 R6052 ERJ6GEYJ472V MGF CHIP 1/10W 4.7K R6057 ERJ6GEYJ102V MGF CHIP 1/10W 1K R6059 ERJ6GEYJ102V MGF CHIP 1/10W 1K R6060 ERJ6GEYJ105V MGF CHIP 1/10W 1M R6062 ERJ6GEYJ153V MGF CHIP 1/10W 15K R6063...
  • Page 67 CAPACITORS Ref. No. Part No. Part Name & Description Remarks C1001 ECKATS103MF CERAMIC 250V 0.01UF C1001 ECKETS103MF CERAMIC 125V 0.01UF C1001 VCKST3G103MY CERAMIC 250V 0.01UF C1001 VCKSU3D103MY CERAMIC 125V 0.01UF C1002 ECKATS332ME8 CERAMIC 250V 3300PF C1002 ECKDNB332ME8 CERAMIC 125V 3300PF C1002 ECKETS332ME8 CERAMIC 125V 3300PF...
  • Page 68 Ref. No. Part No. Part Name & Description Remarks C3018 ECJ2VC1H181J C CHIP 50V 180PF C3019 ECJ2VC1H560J C CHIP 50V 56PF C3021 ECJ2VF1C224Z C CHIP 16V 0.22UF C3023 ECEA0JKA101 ELECTROLYTIC 6.3V 100UF C3024 ECEA0JKA470 ELECTROLYTIC 6.3V 47UF C3025 ECJ2VF1H103Z C CHIP 50V 0.01UF C3026 ECJ2VF1E104Z C CHIP 25V 0.1UF...
  • Page 69 Ref. No. Part No. Part Name & Description Remarks C3518 ECJ2VF1C105Z C CHIP 16V 1UF C3519 ECJ2VB1H102K C CHIP 50V 1000PF C3520 ECJ2VF1C105Z C CHIP 16V 1UF C4001 ECJ2VF1C224Z C CHIP 16V 0.22UF C4002 ECEA1HKA010 ELECTROLYTIC 50V 1UF C4003 ECJ2VB1H272K C CHIP 50V 2700PF C4004 ECJ2VB1H103K...
  • Page 70 Ref. No. Part No. Part Name & Description Remarks C4901 ECEA1HKA010 ELECTROLYTIC 50V 1UF ( B ) C4902 ECEA1HKA2R2 ELECTROLYTIC 50V 2.2UF ( B ) C4903 ECEA1HKA3R3 ELECTROLYTIC 50V 3.3UF ( B ) C4904 ECEA1HKA3R3 ELECTROLYTIC 50V 3.3UF ( B ) C4905 ECEA1CKA100 ELECTROLYTIC 16V 10UF ( B )

  • Page 71: Crystal Oscillator

    Ref. No. Part No. Part Name & Description Remarks L1001 ELF15N005A LINE FILTER 0.5A 18MH L1001 ELF18D290A LINE FILTER 0.5A 18MH L1001 G0B183D00001 LINE FILTER 0.5A 18MH L1001 J0HBLD000001 LINE FILTER 0.5A 18MH L1001 J0HBLD000002 LINE FILTER 0.5A 18MH L1001 VLQS0167 LINE FILTER 0.5A 18MH L1001...
  • Page 72 Ref. No. Part No. Part Name & Description Remarks SW6001 LSSH0002 LEAF SWITCH-SAFETY TAB SW6002 LSSS0012 MODE SELECT SWITCH SW6303 EVQ11A09K PUSH SWITCH SW6304 EVQ11A09K PUSH SWITCH SW6305 EVQ11A09K PUSH SWITCH SW6310 EVQ11A09K PUSH SWITCH SW6311 EVQ11A09K PUSH SWITCH SW6314 EVQ11A09K PUSH SWITCH SW6315 EVQ11A09K PUSH SWITCH...
  • Page 73 Ref. No. Part No. Part Name & Description Remarks LSSZ0007 INFRARED RECEIVER UNIT B3CJZ0000004 LED DISPLAY PANEL LSJA0360 AC CORD W/PLUG,AC 120V LSJA0348 AC CORD W/PLUG,AC 120V LSJA0358 AC CORD W/PLUG,AC 120V LSJA0359 AC CORD W/PLUG,AC 120V LSJA0361 AC CORD W/PLUG,AC 120V ENG56D01G1F TUNER UHF/VHF NR EYF52BC...
  • Page 74 Use the interconnection schematic diagram to find the MARK MODEL connection between associated connectors. - - - - - NV-SJ4140PN - - - - - Example: NV-FJ6140PN The connections between C.B.A.s are shown below. - - - - -...
  • Page 75 MODEL MARK Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. - - - - - NV-SJ4140PN MODE SELECT SWITCH - - - - - PIN NO. OF IC6001 NV-FJ6140PN MODE...
  • Page 76 MODEL MARK Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. - - - - - NV-SJ4140PN - - - - - I/O CHART OF IC6001 IC6001 SERVO BLOCK CAPSTAN MOTOR ASS’Y NV-FJ6140PN...
  • Page 77 MODEL MARK Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. - - - - - NV-SJ4140PN - - - - - A,B,C,D,F REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL...
  • Page 78 MODEL REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. - - - - - NV-SJ4140PN IC3001 VIDEO/AUDIO SIGNAL PROCESS / HEAD AMP IC- DETAIL BLOCK DIAGRAM - - - - - NV-FJ6140PN REC VIDEO SIGNAL...
  • Page 79 (LED DISPLAY UNIT) TYPE 01-B LED U6301 B3CKS0000001 (DISPLAY TUBE UNIT) TYPE 02-A LED U6301 B3CJZ0000004 (DISPLAY TUBE UNIT) TYPE 03-A LED NV-SJ4140PN - - - - - DIGIT 1 DIGIT 2 DIGIT 3 DIGIT 4 DIGIT1 DIGIT2 DIGIT3 DIGIT4...
  • Page 80 MODEL MARK Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. - - - - - NV-SJ4140PN - - - - - REC AUDIO SIGNAL PB AUDIO SIGNAL NV-FJ6140PN - - - - -...
  • Page 81 MODEL MARK Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. - - - - - NV-SJ4140PN - - - - - NV-FJ6140PN - - - - - - - - - - - - - - -...
  • Page 82 MODEL MARK Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. - - - - - NV-SJ4140PN - - - - - NV-FJ6140PN - - - - - - - - - - - - - - -...
  • Page 83 Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION. WHEN REPLACING ANY OF THESE COMPONENTS, - - - - - USE ONLY THE SPECIFIED PARTS. NV-SJ4140PN - - - - - NV-FJ6140PN - - - - - - - - - - MAIN C.B.A.

  • Page 84: Main Schematic Diagrams

    NV-SJ4140PN / NV-FJ6140PN 7.2. MAIN SCHEMATIC DIAGRAMS MAIN I (SYSTEM CONTROL/ SERVO) SCHEMATIC DIAGRAM (A, B, C, D, E, F) REC VIDEO SIGNAL PB VIDEO SIGNAL TO M V SW12V TO M V UNSW_5V_SYSCON Q6002 2SB709ARS SWITCHING IC6005 REC-ON LSEQ0695...
  • Page 85 MODEL MARK REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. - - - - - NV-SJ4140PN MODE SELECT SWITCH - - - - - PIN NO. OF IC6001 NV-FJ6140PN MODE...
  • Page 86 NV-SJ4140PN / NV-FJ6140PN MAIN II (SIGNAL PROCESS/AUDIO) SCHEMATIC DIAGRAM (A, B, C, D, E, F) REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL CAPSTAN SERVO L3101 100U C3109 100/6.3V C3105 0.01 L3016 TP3101 R3019 R3020 C3017...
  • Page 87 MODEL MARK REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. - - - - - NV-SJ4140PN - - - - - A,B,C,D,F JK3002 NV-FJ6140PN AUDIO...
  • Page 88 NV-SJ4140PN / NV-FJ6140PN MAIN III (OPERATION) SCHEMATIC DIAGRAM (A, B, C, D, E, F) U6301 LSSZ0002 (LED DISPLAY UNIT) TYPE 01-B LED U6301 B3CKS0000001 DIGIT 1 VCR TIMER DIGIT 5A ONLY PT Q6603 (SWITCHING) R6677 R6678 TP6302 R6676 R6679 TP6301...
  • Page 89 - - - - - TYPE 01-B LED U6301 B3CKS0000001 (DISPLAY TUBE UNIT) TYPE 02-A LED U6301 B3CJZ0000004 (DISPLAY TUBE UNIT) TYPE 03-A LED NV-SJ4140PN - - - - - DIGIT 1 DIGIT 2 DIGIT 3 DIGIT 4 DIGIT1 DIGIT2 DIGIT3 DIGIT4...
  • Page 90 MAIN IV (Hi-Fi) SCHEMATIC DIAGRAM (C, D, E, F) REC AUDIO SIGNAL PB AUDIO SIGNAL J4201 R4901 C4913 C4915 0.01 R4902 C4916 C4914 R4903 C4917 0.1 WF33 MTS/SAP C4918 0.1 SIGNAL C4919 0.1 PROCESS TP4202 C4920 0.022 R4210 HIFI_R_OUT TO M II C4210 10/16V C4901 1/50V TP4201...
  • Page 91 NV-SJ4140PN / NV-FJ6140PN NOTE: COMPARISON CHART NOTE: For placing a purchase order of the parts, OF MODELS & MARKS FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. MODEL MARK REFER TO BEGINNING OF SCHEMATIC SECTION.
  • Page 92 NV-SJ4140PN / NV-FJ6140PN MAIN V (POWER SUPPLY) SCHEMATIC DIAGRAM (A, B, C, D, E, F) IMPORTANT SAFETY NOTICE: CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, COMPONENTS IDENTIFIED BY THE SIGN HAVE REPLACE ONLY WITH THE SAME TYPE 1.6A 125/250V FUSE.
  • Page 93 MODEL MARK REFER TO BEGINNING OF SCHEMATIC SECTION. Do not use the part number on this diagram. - - - - - NV-SJ4140PN - - - - - NV-FJ6140PN - - - - - - - - - - - - - - -...
  • Page 94 MAIN VI (ADVANCE) SCHEMATIC DIAGRAM (A, B, C, D, E, F) L3801 100U TP3802 TO M V SW_5V_VIDEO C3801 C3802 100/6.3V 0.01 IC3801 AN3275 COMMERCIAL ADVANCE PROCESS TP3804 TP3801 TP3803 TP3807...
  • Page 95 NV-SJ4140PN / NV-FJ6140PN NOTE: COMPARISON CHART NOTE: For placing a purchase order of the parts, OF MODELS & MARKS FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, be sure to use the part number listed in the parts list. MODEL MARK REFER TO BEGINNING OF SCHEMATIC SECTION.

  • Page 96: Interconnection Schematic Diagram

    NV-SJ4140PN / NV-FJ6140PN 7.3. INTERCONNECTION SCHEMATIC DIAGRAM INTERCONNECTION SCHEMATIC DIAGRAM MAIN C.B.A. FULL ERASE HEAD P6201 P4001 (2 Pins) TUNER UHF/VHF UHF/VHF UHF/VHF AUDIO CONTROL/ERASE HEAD UNIT P4092 P4002 17 Pins P4002 (6 Pins) VIDEO VIDEO IN 1 AUDIO P3501...
  • Page 97 Do not use the part number on this diagram. WHEN REPLACING ANY OF THESE COMPONENTS, - - - - - USE ONLY THE SPECIFIED PARTS. NV-SJ4140PN - - - - - NV-FJ6140PN - - - - - - - - - -...
  • Page 98 PIN NO. PIN NO. MODEL MARK IC1001 IC3101 Q4101 - - - - - 12.0 NV-SJ4140PN - - - - - NV-FJ6140PN - - - - - IC1002 TP1001 - - - - - -2.7 TP1002 33.4 - - - - - TP1003 15.0...
  • Page 99 PIN NO. PIN NO. PIN NO. PIN NO. MODEL MARK IC6001(A,B,C,D,E,F) - - - - - NV-SJ4140PN Q6006 - - - - - NV-FJ6140PN - - - - - - - - - - Q6009 - - - - -...
  • Page 100 V1 +5.2Vp-p +0.24Vp-p +0.24Vp-p OF MODELS & MARKS MARK MODEL - - - - - NV-SJ4140PN - - - - - PIN 100 OF IC3001 PIN 92 OF IC3001 PIN 67 OF IC3001 PIN 93 OF IC3001 CUE/REV CH1 TP3002...
  • Page 101 COMPARISON CHART +2.500VDC +5.00Vp-p +4.0Vp-p +90Vp-p +0.44Vp-p OF MODELS & MARKS MODEL MARK - - - - - NV-SJ4140PN - - - - - TP6206 POWER ON CH1 PIN 2 OF P3501 REC SLP TP6209 REC/PB TP6205 REC/PB PIN 7 OF T1001...
  • Page 102 OVERALL BLOCK DIAGRAM (Model: NV-SJ4140PN) REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL MAIN C.B.A. CYLINDER UNIT P3501 VIDEO SP L HEAD IC3001 (VIDEO/AUDIO PROCESS / HEAD AMP) VIDEO SP R HEAD TUNER VIDEO VIDEO SIGNAL PROCESS...
  • Page 103 OVERALL BLOCK DIAGRAM (Model: NV-FJ6140PN) REC VIDEO SIGNAL PB VIDEO SIGNAL REC AUDIO SIGNAL PB AUDIO SIGNAL MAIN C.B.A. CYLINDER UNIT P3501 VIDEO SP L HEAD IC3001 (VIDEO/AUDIO PROCESS / HEAD AMP) VIDEO SP R HEAD TUNER VIDEO VIDEO LP/SLP L HEAD VIDEO SIGNAL PROCESS HEAD AMP VIDEO IN2...
  • Page 104 D’ INCENDIE N’ UTILISERQUE DES FUSIBLE DE MÉME WHEN REPLACING ANY OF THESE COMPONENTS, PLEASE REFER TO THE SCHEMATIC DIAGRAM AND PARTS LIST. 3A 125V/250V NV-SJ4140PN TYPE 3A 125V/250V USE ONLY THE SPECIFIED PARTS. NOTE: - - - - - CIRCUIT BOARD LAYOUT INCLUDES COMPONENTS WHICH ARE NOT USED.

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