Panasonic NV-SV120EC Service Manual
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Panasonic NV-SV120EC Service Manual

Panasonic NV-SV120EC Service Manual

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ORDER NO. MABR0303006C2
Video Cassette Recorder
NV-SV120EB / NV-SV120EC / NV-SV120EP
Z-MECHANISM
SPECIFICATIONS
2003 Matsushita Electric Industrial Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1. INTRODUCTION
1.1. INTRODUCTION
1

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Summary of Contents for Panasonic NV-SV120EC

  • Page 1 ORDER NO. MABR0303006C2 Video Cassette Recorder NV-SV120EB / NV-SV120EC / NV-SV120EP Z-MECHANISM SPECIFICATIONS 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. INTRODUCTION 1.1. INTRODUCTION...

  • Page 2: About Lead Free Solder (Pbf)

    2. The Model No. is indicated on the Schematic Diagram and Circuit Board Diagrams as follows. Model No. Indication Mark NV-SV120EB (EB) NV-SV120EC (EC) NV-SV120EP (EP) 1.2. ABOUT LEAD FREE SOLDER (PbF) Distinction of PbF PCB: PCBs (manufactured) using lead free solder will have a PbF stamp on the PCB.
  • Page 3 STEP1.REPLACE THE IC6002 1. Remove the C.B.A. with Mechanism unit by referring the Disassembly procedure. 2. Disconnect the AC plug and replace the IC6002. STEP2.INPUT THE MODEL & OPTION CODE 1. Set up the applicable model code and option code by ordering the following table.

  • Page 4: Cylinder Unit Replacement

    Model No. NV-SV120EB NV-SV120EC NV-SV120EP Fig. S2 Model Code & Option Code NOTE: Since all electrical adjustments data is still not available, perform the Electrical Adjustment continuously. 2.1.2. CYLINDER UNIT REPLACEMENT 1. CYLINDER UNIT REPLACEMENT A. Remove the mechanism unit from MAIN C.B.A./Chassis by referring “SECTION 2.
  • Page 5 2. UPPER CYLINDER DISASSEMBLY A. Remove 2 screws (A). 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.
  • Page 6 3. UPPER CYLINDER ASSEMBLY When reassembling, perform the steps in the reverse order. Notes: 1. Install the Cylinder Retainer so that the 2 holes on top of the Cylinder Retainer are at right angles with the P5001 Connection. 2. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer.
  • Page 7 3. 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. 4. Tighten 2 screws (B). Fig. S6 5. install the Cylinder Stator Unit. 6.

  • Page 8: Removal Of Cassette 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. S8 2.1.4. FLAT CARD CABLE INSTALLATION When installing the Flat Card Cable on the connector, install the Flat Card Cable with the cable contacts facing the connector contacts.
  • Page 9 2.3. 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. 2. These cleaning cassettes are exclusive removing the hard and sticky clogging on video heads.
  • Page 10 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 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...

  • Page 11: Self-Diagnosis Result Display

    VFK0823FSE (For end users) Note: The tape material itself is the same in both types. 2.4. SELF-DIAGNOSIS RESULT DISPLAY The "SELF-DIAGNOSIS RESULT DISPLAY & MEMORY function is built in this VTR. It means that when the VCR detects undesirable condition, it can be displayed a “Error code (Two numbers from the right)”...

  • Page 12: Adjustment Procedures

    INDICATION CAUSE REMEDY/CHECK After cylinder lock is detected, the cylinder Check the cylinder motor drive circuit. does not start rotating again even after tape unloading. Cassette tape is not wound up during the tape Check the capstan motor drive circuit. unloading except EJECT mode.

  • Page 13: Removal Of The Top Panel

    3.1.2. DETAIL OF DISASSEMBLY METHOD 1. REMOVAL OF THE TOP PANEL Remove 4 Screws (A) Fig.D2 2. REMOVAL OF THE FRONT PANEL UNIT Unlock 7 Tabs (B) Fig. D3...

  • Page 14: Removal Of The Mechanism Unit

    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 15: Servicing Position

    Remove 4 Screws (F) Unlock 4 Tabs (G) Fig. D5 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 shown in Fig. D6 Fig. D6 5. SERVICING POSITION Fig.
  • Page 16 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. TEST EQUIPMENT The following equipments are required for Electrical Adjustments. 1. Dual-Trace Oscilloscope - Voltage Range: 0.005-5V/div - Frequency Range: DC-35MHz - Probes: 10:1 / 1:1 2.
  • Page 17 When no indication in the procedure, set each selector as follows. 1. TAPE SPEED: SP 2. CHANNEL: AV1/AV2/AV3 (Set to signal input terminal number) 3. S-VHS SW: ON 3.3.3. ADJUSTMENTS Fig.E1 Fig.E2 Fig.E3 CONDITION: BURST SIGNAL OFF / CONDITION: BURST SIGNAL 75ohm TERMINATED 75ohm TERMINATED Fig.E4...
  • Page 18 PROCEDURES FIP DISPLAY Press the FF and EJECT Keys simultaneously for 3 seconds. Press the FF and EJECT Keys simultaneously twice. Press the EJECT key for 3 seconds. Press the CH UP key once. Insert the Alignment cassette tape. (PAL:VFJ8125H3F) When the sequence of the automatical adjustment has been terminated, the following action has been made.
  • Page 19 PROCEDURES FIP DISPLAY Set the 3D DNR SW to ON, and the S-VHS REC to ON in OSD menu fuction. / Insert the S- VHS BLANK TAPE. / Input the Video sweep signal (See Fig. E1) to AV3 (S-VIDEO IN) and record it in SP and LP.
  • Page 20 PROCEDURES FIP DISPLAY Set the S-VHS ET REC to OFF in OSD menu function, but the 3D DNR SW to ON. / Insert the VHS Blank Tape. / Input the Video sweep signal (See Fig. E3) to AV1 (VIDEO IN) and record it in SP and LP.

  • Page 21: Waveform Table & Voltage Chart

    3.3.8. CIRCUIT BOARD LAYOUT 4. ABBREVIATIONS 5. INPUT/OUTPUT CHART 5.1. INPUT/OUTPUT CHART FOR IC6001 5.2. TRUTH TABLE (EC/EP MODEL) 5.3. TRUTH TABLE (EB MODEL) 6. WAVEFORM TABLE & VOLTAGE CHART 6.1. WAVEFORM TABLE...

  • Page 22: Block Diagrams

    6.2. VOLTAGE CHART 7. BLOCK DIAGRAMS 7.1. SYSTEM CONTROL & SERVO BLOCK DIAGRAM 7.2. LUMINANCE & CHROMINANCE BLOCK DIAGRAM 7.3. S-VHS BLOCK DIAGRAM 7.4. AUDIO BLOCK DIAGRAM 8. SCHEMATIC DIAGRAMS 8.1. POWER TRANSFORMER SECTION IN MAIN SCHEMATIC DIAGRAM 8.2. POWER SUPPLY/ RF SECTION IN MAIN SCHEMATIC DIAGRAM 8.3.

  • Page 23: Exploded Views

    9.1. TV DEMODULATOR PACK C.B.A. 9.2. CYLINDER STATOR UNIT 9.3. FRONT C.B.A. 9.4. MAIN C.B.A. 9.5. S-VHS PACK C.B.A. 10. EXPLODED VIEWS 10.1. CHASSIS PARTS SECTION...

  • Page 24: Casing Parts Section

    10.2. CASING PARTS SECTION...

  • Page 25: Packing Parts Section

    10.3. PACKING PARTS SECTION...

  • Page 26: Replacement Parts List

    11. REPLACEMENT PARTS LIST 11.1. CHASSIS PARTS SECTION PARTS LIST - All parts except parts mentioned [AVC-SPC] in the Remarks column are supplied from MAVD. Parts mentioned [AVC-SPC] are supplied from PAVC-CSG (AVC- SPC).
  • Page 27 Ref. No. Part No. Part Name & Description Remarks VEG1600 CYLINDER UNIT VXP2173 UPPER CYLINDER UNIT VDB1256 CYLINDER RETAINER VEM0715 CYLINDER MOTOR UNIT VXS0135 EARTH BRUSH UNIT VMD3795 FLAT CABLE HOLDER VEK9069 CAPSTAN UNIT L1AZ00000004 FE HEAD VDB1431 TENSION ARM BOSS VDB1460 SUPPLY BRAKE ARM BOSS VDG1220KIT...

  • Page 28: Casing Parts Section Parts List

    Ref. No. Part No. Part Name & Description Remarks VMD3379 SIDE PLATE (L) VXA6540 SIDE PLATE (R) UNIT VXA5746 CASSETTE HOLDER UNIT VXP1730 MAIN SHAFT UNIT VHD1117 SCREW VHD1117 SCREW VHD0842 SCREW VHD0843 SCREW VHD0843 SCREW VHD0844 SCREW VHD0844 SCREW VHD1066 SCREW VHD1066...

  • Page 29: Packing Parts Section Parts List

    Ref. No. Part No. Part Name & Description Remarks VGM1990 TOP PANEL silver VYP8696 FRONT PANEL UNIT NV-SV120EB-S VYP8697 FRONT PANEL UNIT NV-SV120EC-S VYP8698 FRONT PANEL UNIT NV-SV120EP-S RKA0072-K FOOT RKA0072-K FOOT VYF2889 DOOR UNIT NV-SV120EB-S VYF2890 DOOR UNIT NV-SV120EC-S...
  • Page 30 Ref. No. Part No. Part Name & Description Remarks RQTD0037-D NV-SV120EC-S OPERATING INSTRUCTIONS (GERMAN) RQTD0038-A NV-SV120EC-S OPERATING INSTRUCTIONS (ENGLISH) RQTD0041-H NV-SV120EC-S OPERATING INSTRUCTIONS (DUTCH) RQTD0042-C NV-SV120EC-S OPERATING INSTRUCTIONS (FRENCH) RQTD0043-B NV-SV120EB-S OPERATING INSTRUCTIONS (ENGLISH) RQTD0045-K NV-SV120EC-S OPERATING INSTRUCTIONS (FINISH) RQTD0046-J...

  • Page 31: Electrical Parts List

    Ref. No. Part No. Part Name & Description Remarks VFK1298 FLOIL GREASE [AVC-SPC] 11.4. ELECTRICAL PARTS LIST - All parts except parts mentioned [AVC-SPC] in the Remarks column are supplied from MAVD. Parts mentioned [AVC-SPC] are supplied from PAVC-CSG (AVC- SPC).
  • Page 32 Ref. No. Part No. Part Name & Description Remarks ------------ CAPSTAN DRIVE C.B.A. INCLUDED IN CAPSTAN UNIT (VEK9069). VEP06F09B MAIN C.B.A. (RTL) *1 VEP06F09C MAIN C.B.A. (RTL) *2 VEP06F09E MAIN C.B.A. (RTL) *3 C0701 ECJ2VF1C105Z CHIP CAPACITOR ECUV1C105ZFN C0702 F1H1H102A009 CHIP CAPACITOR C0703 F1J1A1050024...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks C1210 F1B3A332A004 CAPACITOR C1230 F2A1H2200032 ALU ELEC CAPACITOR C1250 F2A1E6810012 ALU ELEC CAPACITOR C1251 F2A1E101A122 ALU ELEC CAPACITOR ECA1EM101B C1260 F2A1A1220008 ALU ELEC CAPACITOR C1261 ECA1AHJ331B ALU ELEC CAPACITOR C1270 F2A1H2200032 ALU ELEC CAPACITOR C1280 F2A1A1010072...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks C3028 ECEA1HKA4R7B ALU ELEC CAPACITOR C3029 ECEA1HKAR47B ALU ELEC CAPACITOR C3030 F1H1E223A029 CHIP CAPACITOR C3031 F1H1C333A059 CHIP CAPACITOR C3032 ECEA1HKA3R3B ALU ELEC CAPACITOR C3033 F1H1C104A071 CHIP CAPACITOR C3034 ECEA1HKA2R2B ALU ELEC CAPACITOR C3035 F1H1E223A029 CHIP CAPACITOR...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks C4504 ECQB1H473JF3 PLAST FILM CAPACITOR C4505 ECEA1AKA330B ALU ELEC CAPACITOR C4506 ECEA1CKA100B ALU ELEC CAPACITOR C4507 ECEA1CKA220B ALU ELEC CAPACITOR C4508 ECQB1H153JF3 PLAST FILM CAPACITOR C4509 F1H1C333A059 CHIP CAPACITOR C4511 F1H1H103A748 CHIP CAPACITOR C4514 F1H1H103A748...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks C4922 ECEA1HKA010B ALU ELEC CAPACITOR C4923 ECEA0JKA331Q ALU ELEC CAPACITOR C4924 F1H1C104A071 CHIP CAPACITOR C4925 F1H1C104A071 CHIP CAPACITOR C4926 F1H1H103A748 CHIP CAPACITOR C4927 F1H1H103A748 CHIP CAPACITOR C4928 F1H1C104A071 CHIP CAPACITOR C4929 F1H1H103A748 CHIP CAPACITOR C4930...
  • Page 37 Ref. No. Part No. Part Name & Description Remarks C6039 ECJ1VC1H220J CHIP CAPACITOR ECUV1H220JCV C6040 ECJ1VF1H104Z CHIP CAPACITOR C6041 ECJ1VF1H104Z CHIP CAPACITOR C6042 ECJ1VF1H104Z CHIP CAPACITOR C7501 F1H1H103A220 CHIP CAPACITOR C7502 ECEA1HKA100B ALU ELEC CAPACITOR C7503 F1H1H120A230 CHIP CAPACITOR C7504 ECEA0JKA101B ALU ELEC CAPACITOR C7507...
  • Page 38 Ref. No. Part No. Part Name & Description Remarks D1012 B0EADD000002 DIODE 1SS119-04TJ D1110 ERZVA5V471 SURGE ABSORBER D1140 B0KB00000013 DIODE D1150 B0HAGM000006 DIODE D1152 MA2C18500E DIODE (WHITE/GREEN) MA185TA5 D1155 B0EADD000002 DIODE 1SS119-04TJ D1157 MAZ40270LF DIODE D1180 MAZ751000C DIODE D1230 MA2C18500E DIODE (WHITE/GREEN) MA185TA5 D1250...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks K0701 ECJ1VC1H560J CHIP CAPACITOR *1 ECUV1H560JCV K0703 ERJ3GEY0R00V CHIP RESISTOR ERJ3GS0R00V K0707 ERJ3GEY0R00V CHIP RESISTOR ERJ3GS0R00V K0709 ERJ3GEY0R00V CHIP RESISTOR ERJ3GS0R00V K3003 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V K3024 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V K3025 ERJ6GEY0R00Z CHIP RESISTOR...
  • Page 41 L7603 G0C270JA0019 CHOKE COIL AXIAL VLQ0599J270T...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks L7605 G0C2R2JA0019 CHOKE COIL AXIAL VLQ0599J2R2T L7606 ---------- JUMPER WIRE L7607 G0C2R2JA0019 CHOKE COIL AXIAL VLQ0599J2R2T L7608 G0C1R0JA0019 CHOKE COIL AXIAL VLQ0599J1R0T L7609 ---------- JUMPER WIRE LB0701 J0JBC0000041 BEAD CORE *3 VLP0147-T LB1213 J0JHC0000070 BEAD CORE...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks Q1006 B1AAGD000006 TRANSISTOR Q1007 B1AAGD000006 TRANSISTOR Q1008 B1AAGD000006 TRANSISTOR Q1009 B1AAGD000006 TRANSISTOR Q1010 B1AAGD000006 TRANSISTOR Q1012 B1AAGD000006 TRANSISTOR Q1013 2SD0601ARN TRANSISTOR 2SD601A-RTX Q1150 B1DEDR000003 TRANSISTOR Q1151 2SD1992ARA TRANSISTOR Q1152 2SC3311ASA TRANSISTOR 2SC3311ARA Q1153 B1DEDQ000014...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks R0708 ERJ3GEYJ332V CHIP RESISTOR ERJ3GSJ332V R0709 ERJ6GEYJ104V CHIP RESISTOR R0711 ERJ3GEYJ181V CHIP RESISTOR R0713 ERJ3GEY0R00V CHIP RESISTOR ERJ3GS0R00V R0714 ERJ3GEYJ562V CHIP RESISTOR *3 ERJ3GSJ562V R0715 ERJ3GEYJ223V CHIP RESISTOR ERJ3GSJ223V R0717 ERJ3GEYJ471V CHIP RESISTOR ERJ3GSJ471V R0719...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks R1205 ERJ6GEYJ222V CHIP RESISTOR R1206 ERJ6GEYJ271V CHIP RESISTOR R1207 ERJ6GEYG333V CHIP RESISTOR R1208 ERJ6GEYG822V CHIP RESISTOR R1209 ERJ6GEYG563V CHIP RESISTOR R1501 ERDS2TJ121T CARBON RESISTOR R1502 ERDS2TJ181T CARBON RESISTOR R1503 ERJ6GEYJ273V CHIP RESISTOR R1504 ERJ6GEYJ273V CHIP RESISTOR...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks R3046 ERJ6GEYJ471V CHIP RESISTOR *1,*3 R3047 ERJ6RBD183V CHIP RESISTOR R3048 ERJ6RBD273V CHIP RESISTOR R4001 ERJ6GEYJ332V CHIP RESISTOR R4002 ERJ6GEYJ104V CHIP RESISTOR R4003 ERJ6GEYJ223V CHIP RESISTOR R4004 ERJ6GEYJ221V CHIP RESISTOR R4006 ERJ6GEYJ223V CHIP RESISTOR R4007 ERJ6GEYJ103V...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks R4539 ERJ6GEYJ362V CHIP RESISTOR R4540 ERJ6GEYJ223V CHIP RESISTOR R4543 ERJ6GEYJ221V CHIP RESISTOR R4901 ERJ6GEYJ331V CHIP RESISTOR R4902 ERJ6GEYJ121V CHIP RESISTOR R4903 ERJ6GEYJ121V CHIP RESISTOR R4905 ERJ6GEYJ750V CHIP RESISTOR R4906 ERJ6GEYJ750V CHIP RESISTOR R4907 ERJ6GEYJ750V CHIP RESISTOR...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks R6036 ERJ6GEYJ681V CHIP RESISTOR R6039 ERJ6GEYJ102V CHIP RESISTOR R6040 ERJ6GEYJ102V CHIP RESISTOR R6041 ERJ6GEYJ102V CHIP RESISTOR R6045 ERJ6GEYJ104V CHIP RESISTOR R6046 ERJ6GEYJ472V CHIP RESISTOR R6047 ERJ6GEYJ472V CHIP RESISTOR R6048 ERJ6GEYJ472V CHIP RESISTOR R6049 ERJ6GEYJ221V CHIP RESISTOR...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks R7537 ERJ6GEYJ123V CHIP RESISTOR R7538 ERJ6GEYJ123V CHIP RESISTOR R7603 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V R7605 ERJ6GEYJ101Z CHIP RESISTOR ERJ6GEYJ101V R7606 ERJ6GEYJ101Z CHIP RESISTOR ERJ6GEYJ101V R7607 ERJ6GEYJ101Z CHIP RESISTOR ERJ6GEYJ101V R7608 ERJ6GEYJ101Z CHIP RESISTOR ERJ6GEYJ101V R7611 ERDS2TJ331T...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks W506 ERJ8GEY0R00V CHIP RESISTOR W507 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W508 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W509 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W510 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W511 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W512 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W513...
  • Page 51 Ref. No. Part No. Part Name & Description Remarks X0704 VLF1497 FILTER X3001 H0D443400039 CRISTAL OSZILLATOR X6001 H0A120500002 CRYSTAL OCSILLATOR X6002 VSX1022 QUARZ X7601 H0D245500011 QUARZ VSX0953-T MISCELLANEOUS EYF52BC FUSE HOLDER EYF52BC FUSE HOLDER VSC5227 SHIELD CASE VSC4998 SHIELD CASE VMP4471 ANGLE VEP03G25A...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks C3338 F1H1H103A220 CHIP CAPACITOR C3339 ECEA0JKA470B ALU ELEC CAPACITOR C3340 F1H1C104A008 CHIP CAPACITOR C3341 F1H1H103A220 CHIP CAPACITOR C3342 ECEA1CKA100B ALU ELEC CAPACITOR C3343 F1H1H103A220 CHIP CAPACITOR C3344 ECJ1VB0J474K CHIP CAPACITOR C3345 ECEA1HKA4R7B ALU ELEC CAPACITOR C3347...
  • Page 53 Ref. No. Part No. Part Name & Description Remarks LB3303 J0JCC0000077 BEAD CORE LB3304 J0JCC0000077 BEAD CORE LB3305 J0JCC0000077 BEAD CORE LB3306 J0JCC0000077 BEAD CORE LB3307 J0JCC0000077 BEAD CORE LB3308 J0JCC0000077 BEAD CORE LB3309 J0JCC0000077 BEAD CORE LB3310 J0JCC0000077 BEAD CORE LB3311 J0JCC0000077 BEAD CORE...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks R3367 ERJ3GEYG112V CHIP RESISTOR *1,*3 R3368 ERJ3GEYG111V CHIP RESISTOR *1,*3 R3369 ERJ3GEYJ331V CHIP RESISTOR *1,*3 R3370 ERJ3GEYG121V CHIP RESISTOR *1,*3 R3371 ERJ3GEYJ561V CHIP RESISTOR *1,*3 ERJ3GSJ561V R3372 ERJ3GEYJ105V CHIP RESISTOR *1,*3 ERJ3GSJ105V R3373 ERJ3GEYJ105V CHIP RESISTOR...

  • Page 55: Schematic Diagram For Printing With A4 Size

    Ref. No. Part No. Part Name & Description Remarks MISCELLANEOUS VJS3537F009G CONNECTOR (FEMALE) 9P K1MN09B00039 HW-300A-DF HALL IC B4AAB0000007 12. SCHEMATIC DIAGRAM FOR PRINTING WITH A4 SIZE...
  • Page 56 R0206 (FG HEAD) R0212 R0213 Q0203 P0201 Q0202 IC0201 R0207 CAP TL (CAPSTAN MOTOR DRIVE) HOLE HOLE CAP EC SENSOR SENSOR CAP R/F RCC SET CAP FG1 GND (FG) R0210 Q0201 C0201 REG 5V GND (MOTOR) D0203 TL0204 TL0202 TL0203 LOAD MOTOR (-) LOAD MOTOR (+) TL0201...
  • Page 57 CYLINDER SERVO SPEED LOOP P2901 MAIN COIL 2 P2502-9 MAIN COIL 3 P2502-8 P2502-7 P2502-6 HALL IC GND (CYL) P2502-5 P2502-4 P2502-3 MAIN COIL 1 P2502-2 P2502-1 NV-SV120EB/EC/EP CYLINDER STATOR 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 58 R :TO POWER SUPPLY/RF SECTION AUDIO SIGNAL PATH S :TO SYSTEM CONTROL & SERVO SECTION V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION A :TO Hi-Fi AUDIO SECTION X7601 H0D245500011 C7630 C7631 R7626 C7628 8200 IC7601 C0EAH0000051 (RESET) SIF2 C7624 R7623 NICAM INPUT DEMODULATION NICAM...
  • Page 59 :TO POWER SUPPLY/RF SECTION AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO INPUT/OUTPUT SECTION L4502 R4521 :TO DECODER SECTION 1.2u 4700 C4525 C6526 R4522 C4524...
  • Page 60 VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE IC4801 PNA4618M10V JK4801 (IR RECEIVER) K2HA307A0003 S-VIDEO AUDIO AUDIO VIDEO IN (R/N) IN (L) JK4802 VJJ0574 C4805 C4806 L4802 L4801 R4801 BOTTOM PLATE R4803 R4802 C4804 C4803 1000P 1000P...
  • Page 61 :TO POWER SUPPLY/RF SECTION 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 :TO SYSTEM CONTROL & SERVO SECTION JK4903 :TO LUMINANCE & CHROMINANCE/AUDIO SECTION TW3021 TW3024 K2HZ105B0007...
  • Page 62 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. R :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION T :TO TIMER SECTION T1150 ETS29AZ286AC...
  • Page 63 VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE P :TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE V :TO LUMINANCE & CHROMINANCE/AUDEIO SECTION TUNER UNIT Q1013 Q1003...
  • Page 64 VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE PS3301 V MASK SYS IIC DATA SYS IIC CLOCK (EB) R3315 PS 3.3V L3301 C IN DNR 5V PB C C3383 C3355 R3313 R3314 C3344 R3316 C3341 C3339 C3340...
  • Page 65 LB3305 LB3307 J0JCC0000077 J0JCC0000077 C3310 IC3303 IC3302 6V47 LB3309 LB3310 PQ1K253M2ZP R3112N251A J0JCC0000077 J0JCC0000077 (2.5V REG) (RESET) LB3304 J0JCC0000077 VOUT 1 OUT R3307 C3350 C3330 R3301 16V10 8200P C3323 6V47 LB3306 J0JCC0000077 LB3303 C3351 C3353 J0JCC0000077 0.01 6V47 C3332 LB3308 R3302 6V47 J0JCC0000077...
  • Page 66 CAPSTAN SERVO SPEED LOOP CAPSTAN SERVO PHASE LOOP CYLINDER SERVO SPEED LOOP CYLINDER SERVO PHASE LOOP :TO POWER TRANSFORMER SECTION :TO POWER SUPPLY/RF SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION A27 A28 A34 A35 A10 A11 A36 A37 A25 A12 A16 A17 A18 A19 :TO Hi-Fi AUDIO SECTION I :TO INPUT/OUTPUT SECTION :TO TIMER SECTION...
  • Page 67 R6046 C6025 4700 IO IIC CLOCK IO IIC DATA R6036 R6035 R6049 SYS IIC DATA SYS IIC CLOCK TL2503 P2501 IC6002 CAP TL M24C16-WBN6 CAP EC CAP R/F CAP FG1 GND (FG) REG 5V GND (MOTOR) LOAD MOTOR (-) LOAD MOTOR (+) UNREG 14V UNLOADING H IC2501...
  • Page 68 P :TO POWER TRANSFORMER SECTION DP7501 A2BA00000212 R :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION :TO INPUT/OUTPUT SECTION S-VHS P10 P11 P12 P13 P14 P15 P16 P17 P18 R7507 HEATER (+) C7501 0.01 HEATER DC (-) D7501 C7502 R7511...
  • Page 69 VIDEO SIGNAL PATH AUDIO SIGNAL PATH R0729 R0730 R0701 100K (EP) (EB/EC) (EC) (EB) (EB) R0740 R0714 R0732 R0731 470:EB/EC 5600 4700 T0701 270:EP R0728 EQV5EC083P:EB R0713 EQV5EC082P:EC EQV5EC081P:EP LB0701 R0717 R0711 VLP0147 C0724 R0745 330P:EB 3.3M (EP) 220P:EC/EP C0707 50V2.2 R0709 100K...
  • Page 70 R :TO POWER SUPPLY/RF SECTION VIDEO MAIN SIGNAL PATH IN REC MODE :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO Hi-Fi AUDIO SECTION AUDIO MAIN SIGNAL PATH IN REC MODE :TO INPUT/OUTPUT SECTION D :TO DECODER SECTION AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE C3042 Q3001...
  • Page 71 A11 A10 R3013 C3029 C3034 R3014 50V0.47 50V2.2 QR3007 C3030 C3035 R3028 UN2213 V.EE 0.022 0.022 (V.EE :OFF) KILLER X3001 L3006 H0D443400039 R3012 C3031 C3032 C3033 C3039 C3040 R3027 C3041 HEAD SW 0.033 50V3.3 50V1 0.01 3300 0.01 SYS IIC CLOCK C3038 SYS IIC DATA R3048...
  • Page 72 (VEM0715) CYLINDER STATOR UNIT Integrated Circuit HALL IC Connector M1 VM P2901 ADDRESS INFORMATION HALL IC VM M2 P2901 NV-SV120EB/EC/EP CYLINDER STATOR UNIT...
  • Page 73 FRONT C.B.A. Integrated Circuit IC4801 Connector PS4801 ADDRESS INFORMATION (VEP04832A) NV-SV120EB/EC/EP FRONT C.B.A.
  • Page 74 (VEP06F09C: NV-SV120EB) (VEP06F09B: NV-SV120EC) (VEP06F09E: NV-SV120EP) JK4904 TU7601 TW4506 P2502 JK4903 P1101 IC2501 TW4503 TW4504 QR4001 Q4003 P4002 Q4902 QR4901 Q4004 Q4901 QR4902 IC4902 QR3003 QR4002 P5001 P1501 (EP) QR4507 IC3001 IC4501 (EP) Q4905 QR4502 Q4903 QR3006 (EC/EP) Q4904 TW4502...
  • Page 75 IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS, USE ONLY THE SAME TYPE. 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 76 Q3311 IC3302 Q3312 IC3303 Q3315 IC3304 Q3316 IC3305 Q3317 Connector Q3318 PS3301 Q3319 PS3302 Q3320 Q3321 Q3322 ADDRESS INFORMATION (VEP03G25B: NV-SV120EB) (VEP03G25A: NV-SV120EC/EP) IC3302 IC3301 IC3305 (EB) (EC/EP) IC3303 (EB) PS3302 PS3301 (COMPONENT SIDE) (FOIL SIDE) NV-SV120EB/EC/EP S-VHS PACK C.B.A.
  • Page 77 TV DEMODULATOR PACK C.B.A. Transistor Q0702 Integrated Circuit IC0701 Adjustment T0701 VR0701 Connector PK0701 PP0701 ADDRESS INFORMATION (VEP07A23T:NV-SV120EB) (VEP07A23S:NV-SV120EC) (VEP07A23U:NV-SV120EP) IC0701 D0702 L0703 C0702 R0705 R0713 C0710 C0701 W508 C0719 W509 C0707 W510 (EC) X0704 T0701 K0703 W517 (EC) (EB)
  • Page 78 Pin No. Signal Name P-OFF P-SAVE P-FAIL Reset Describe A.DEF(H) O Output signal for audio defea and decoder IC reset. Detection of COLOR KILLER active. CKILLER DET(L) AFC S S curve input from tuner. Output signal depens on tape speed. SLP(H) (During N10H or P9H: High) (Except N10H and P9H: Low)
  • Page 79 Pin No. Signal Name P-OFF P-SAVE P-FAIL Reset Describe Input terminal for mechanism position. POS.SW3 D.A.REC(H) POS.SW2 BIAS(L) 140mS 140mS POS.SW1 RESET(L) MICOM reset input terminal. 32KHz IN Sub oscillator input. 32KHz OUT O Sub oscillator output. +5V(D) Power. 12MHz.IN Main oscillator input.
  • Page 80 Pin No. Signal Name P-OFF P-SAVE P-FAIL Reset Describe HALF_WAVE(H) O Control signal for switching capstan motor mode FAST and SLOW. CAP.ET O Torque control signal for capstan motor. CYL.ET O Torque control signal for cylinder motor. 4.213V 4.213V 4.213V P FAIL Interrupt input signal for power fail detection.
  • Page 81 INPUT CONDITION OUTPUT RESULT POWER INPUT SELECT VV ON(H) PB(H) S(H) PB(H) PB(H) AV2 IN(0) AV1 IN(00) L(0) OFF(1) TUN(000) AV2 IN(0) AV1 IN(00) M/H(1) TUN(000) NO.TU L/M/H MUTE MUTE *1[L(0)] OFF(1) TUN(000) LINK C+.TU L/M/H MUTE MUTE *1[L(0)] OFF(1) TUN(000) L/M/H MUTE...
  • Page 82 INPUT CONDITION OUTPUT RESULT POWER INPUT SELECT VV ON(H) PB(H) S(H) PB(H) PB(H) P.ON NO.TU VIDEO VCR OUT(1) VCR OUT(11) L(0) OFF(1) TUN(000) S-VIDEO Y OUT(11) C+.TU VIDEO VCR OUT(1) VCR OUT(11) L(0) OFF(1) TUN(000) S-VIDEO Y OUT(11) VIDEO VCR OUT(1) VCR OUT(11) L(0) OFF(1)
  • Page 83 INPUT CONDITION OUTPUT RESULT POWER INPUT SELECT VV ON(H) PB(H) S(H) PB(H) PB(H) P.ON DECODER NO.TU VIDEO VCR OUT(1) AV1 IN(00) L(0) OFF(1) TUN(000) S-VIDEO Y OUT(11) VIDEO AV2 IN(0) AV1 IN(00) M/H(1) TUN(000) S-VIDEO AV2 IN(0) C+.TU VIDEO VCR OUT(1) TUN IN(10) L(0) OFF(1)
  • Page 84 INPUT CONDITION OUTPUT RESULT POWER INPUT SELECT VV ON(H) PB(H) S(H) PB(H) PB(H) P.ON DECODER NO.TU VIDEO VCR OUT(1) AV1 IN(00) H(1) OFF(1) TUN(000) S-VIDEO Y OUT(11) VIDEO VCR OUT(1) AV1 IN(00) H(1) OFF(1) TUN(000) S-VIDEO Y OUT(11) C+.TU VIDEO VCR OUT(1) TUN IN(10) H(1)
  • Page 85 Mute signals INPUT CONDITION Audio Output Results IC4501 settings POWER INPUT RF (C) AV1 Out AV2 Out REC/ Input Mute A-Mute SELECT VV ON(H) PB(H) Selector Selector Select Select AV2IN AV1IN Mute AV2IN AV1IN EXT2 EXT1 AV2IN AV1IN Mute AV2IN AV1IN EXT2 EXT1...
  • Page 86 Mute signals INPUT CONDITION Audio Output Results IC4501 settings POWER INPUT RF (C) AV1 Out AV2 Out REC/ Input Mute A-Mute SELECT VV ON(H) PB(H) Selector Selector Select Select P.ON NO.TU VIDEO INSEL OUTSEL S-VIDEO C+.TU VIDEO INSEL OUTSEL S-VIDEO VIDEO AV1IN AV1IN...
  • Page 87 Mute signals INPUT CONDITION Audio Output Results IC4501 settings POWER INPUT RF (C) AV1 Out AV2 Out REC/ Input Mute A-Mute SELECT VV ON(H) PB(H) Selector Selector Select Select P.ON DECODER NO.TU VIDEO AV1IN AV1IN EXT1 S-VIDEO VIDEO AV2IN AV1IN AV2IN AV1IN EXT2...
  • Page 88 Mute signals INPUT CONDITION Audio Output Results IC4501 settings POWER INPUT RF (C) AV1 Out AV2 Out REC/ Input Mute A-Mute SELECT VV ON(H) PB(H) Selector Selector Select Select P.ON DECODER NO.TU VIDEO AV1IN AV1IN EXT1 S-VIDEO VIDEO AV1IN AV1IN EXT1 S-VIDEO C+.TU...
  • Page 89 INPUT CONDITION OUTPUT RESULT POWER INPUT SELECT VV ON(H) PB(H) PB(H) PB(H) AV2 IN(0) AV1 IN(00) L(0) OFF(1) TUN(000) AV2 IN(0) AV1 IN(00) M/H(1) TUN(000) L/M/H MUTE MUTE *1[L(0)] OFF(1) TUN(000) LINK L/M/H MUTE MUTE *1[L(0)] OFF(1) AV1(100) L/M/H MUTE MUTE *1[L(0)] OFF(1) AV2(010)
  • Page 90 INPUT CONDITION OUTPUT RESULT POWER INPUT SELECT VV ON(H) PB(H) PB(H) PB(H) P.ON VCR OUT(1) VCR OUT(11) L(0) OFF(1) TUN(000) VCR OUT(1) VCR OUT(11) L(0) OFF(1) AV1(100) VCR OUT(1) VCR OUT(11) L(0) OFF(1) AV2(010) VCR OUT(1) VCR OUT(11) L(0) OFF(1) AV3(110) "DECODER VCR OUT(1) VCR OUT(11)
  • Page 91 Mute signals INPUT CONDITION Audio Output Results IC4501 settings POWER INPUT RF (C) AV1 Out AV2 Out REC/ Input Mute A-Mute SELECT VV ON(H) PB(H) Selector Selector Select Select AV2IN AV1IN Mute AV2IN AV1IN EXT2 EXT1 AV2IN AV1IN Mute AV2IN AV1IN EXT2 EXT1...
  • Page 92 Mute signals INPUT CONDITION Audio Output Results IC4501 settings POWER INPUT RF (C) AV1 Out AV2 Out REC/ Input Mute A-Mute SELECT VV ON(H) PB(H) Selector Selector Select Select P.ON INSEL OUTSEL AV1IN AV1IN AV1IN AV1IN INSEL EXT1 OUTSEL AV2IN AV2IN AV2IN AV2IN...
  • Page 93 SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) Ref. No. IC1501 IC1502 MODE STOP PLAY IC2501 Ref. No. MODE STOP 15.4 15.4 15.6 -0.1 15.4 PLAY 15.0 15.0 15.2 15.0 15.1 15.0 15.3 -0.1 15.0 14.7 14.6 14.9 15.0 14.6 14.6...
  • Page 94 SYSTEM CONTROL & SERVO TRs DC VOLTAGE CHART (SP MODE) Q1501 Q1502 Q6004 Q6008 Q6009 Ref. No. (−) (−) MODE STOP -0.1 -0.1 12.4 PLAY -0.1 11.8 12.4 12.3 -0.1 -0.1 12.4 -0.1 -0.1 12.4 -0.1 -0.1 12.4 Q6010 QR6001 QR6004 Ref.
  • Page 95 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 96 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 97 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 98 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 99 If you lose the fuse cover the plug must not be used until a replacement cover is obtained. A replacement fuse cover can be purchased from your local Panasonic Dealer. IF THE FITTED MOULDED PLUG IS UNSUITABLE TYPE B FOR THE SOCKET OUTLET IN YOUR HOME THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND DISPOSED OF SAFELY.
  • Page 100 T1150-3 STOP T1150-6 STOP T1150-7 STOP Q1150-G STOP T1150-5 STOP 1.6Vp-p (5msec.div.) 340Vp-p (5usec.div.) 18Vp-p (10usec.div.) 15Vp-p (5usec.div.) 330Vp-p (5usec.div.) Q1200-1,2 STOP IC6001-13 PAUSE IC6001-18 REC IC6001-19 REC IC6001-48 REC 0.5Vp-p (5usec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) IC6001-52 REC IC6001-72 REC IC6001-68,69 REC...
  • Page 101 PP3002-14 REC PP3002-6 REC/PLAY PP3002-8 REC/PLAY PP3002-10 REC/PLAY PP3002-12 REC 0.5Vp-p (20µsec.div.) 2.0Vp-p (20 µsec.div.) 1.6Vp-p (20µsec.div.) 2.0Vp-p (20µsec.div.) 0.8Vp-p (20µsec.div.) PP3002-16 REC IC3301-81 REC IC3301-83 PLAY IC3301-88 PLAY PP3002-18 PLAY 0.5Vp-p (20µsec.div.) 2.2Vp-p (20µsec.div.) 0.8Vp-p (20µsec.div.) 0.7Vp-p (20µsec.div.) 0.4Vp-p (20µsec.div.) IC3301-93 REC/PLAY IC3301-95 REC/PLAY IC4501-9,14 REC...
  • Page 102 IC3001 AUDIO HEAD P5001 MUTE FROM TUNER AUDIO (N) DECODER FM MODULATOR/ DEMODULATOR NORMAL P4002 A.HEAD (W) MUTE SELECT SWITCH TO/FROM FROM MUTE AC HEAD & MUTE H SYSTEM SWITCH CONTROL P4002 MUTE A.HEAD (R) TRAP NV-SV120EC/EB/EP AUDIO BLOCK DIAGRAM...

  • Page 103: 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 104 CE OF R :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION T :TO TIMER SECTION T1150 ETS29AZ286AC HEATER DC(-) C1280 10V100 D1280 11EQS04 HEATER DC(+) D1270 MA185 UNREG -29V C1270 50V22 D1250 L1250 ERA85-009V5 UNREG 14V C1250 C1251 R1200 R1207...

  • Page 105: 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 AUDIO MAIN SIGNAL PATH IN P :TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN V :TO LUMINANCE &...
  • Page 106 IN SIGNAL PATH IN REC MODE IN SIGNAL PATH IN PLAYBACK MODE TUNER UNIT Q1003 TU7601 2SB710A ENG47328G1:EB OWER SAVE CONTROL) ENG47327G1:EC 37.1 37.1 ENG47329G1:EP L7601 36.4 N.SW 5V R7603 R1016 C7603 C7605 6V100 0.01 AUDIO OUT R7606 DATA L7602 PS 5V R7605 C7604...

  • Page 107: Timer Section In Main Schematic Diagram

    8.3. TIMER SECTION IN MAIN SCHEMATIC DIAGRAM P :TO POWER TRANSFORMER SECTION DP7501 A2BA00000212 R :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION :TO INPUT/OUTPUT SECTION S-VHS P10 P11 P12 P13 P14 P15 P16 R7507 HEATER (+) C7501 0.01 HEATER DC (-)
  • Page 108 12 P13 P14 P15 P16 P17 P18 CH UP PLAY S7504 S7511 S7512 EVQ11L07B EVQ11L07B EVQ11404M R7506 R7505 R7504 R7537 4300 5600 8200 TIMER CH DOWN STOP S7502 S7501 S7515 S7513 S7514 EVQ11L07B EVQ11L07B EVQ11L07B EVQ11L07B EVQ11404M R7503 R7502 R7501 R7538 4300 5600...

  • Page 109: System Control & Servo Section In Main Schematic Diagram

    8.4. SYSTEM CONTROL & SERVO SECTION IN MAIN SCHEMATIC DIAGRAM CAPSTAN SERVO SPEED LOOP CAPSTAN SERVO PHASE LOOP :TO POWER TRANSFORMER SECTION :TO POWER SUPPLY/RF SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION A27 A28 A34 A3 :TO Hi-Fi AUDIO SECTION I :TO INPUT/OUTPUT SECTION :TO TIMER SECTION R1017 R2501...
  • Page 110 CYLINDER SERVO SPEED LOOP CYLINDER SERVO PHASE LOOP A34 A35 A10 A11 A36 A37 A25 A12 A16 A17 A18 A19 L6005 C6042 C6038 R6047 0.01 4700 R6040 C6024 C6040 C6039 R6048 6V220 4700 R6079 LB6001 R6041 J0JBC0000041 Q6010 2SB709A R6007 (AMP) R6078 C6035...
  • Page 111 R6046 C6025 4700 R6036 R6035 R6049 IC6002 M24C16-WBN6 IC2501 AN3811NK (CYLINDER DRIVE) R6052 B-EMF DET MODE SELECT IC6003 SDA5660X EXTERNAL SYNC 1/16 PG/FG WAVE DISP SHAPER R6057 L6006 100K C6027 C6028 R6059 C6031 C6032 C6029 C6030 0.033 2200P 2200 6V47 0.47 150P R6054...
  • Page 112 IO IIC CLOCK IO IIC DATA SYS IIC DATA SYS IIC CLOCK TL2503 P2501 CAP TL CAP EC CAP R/F CAP FG1 GND (FG) REG 5V GND (MOTOR) LOAD MOTOR (-) LOAD MOTOR (+) UNREG 14V UNLOADING H LOADING H TL2502 POWER(NPN Tr.X3) CHARGE...
  • Page 113 8.5. LUMINANCE & CHROMINANCE/ AUDIO SECTION IN MAIN SCHEMATIC DIAGRA R :TO POWER SUPPLY/RF SECTION VIDEO MAIN SIGNAL PATH IN REC MODE :TO SYSTEM CONTROL & SERVO SECTION VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO Hi-Fi AUDIO SECTION AUDIO MAIN SIGNAL PATH IN REC MODE :TO INPUT/OUTPUT SECTION D :TO DECODER SECTION AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE...
  • Page 114 C DIAGRAM C3042 Q3001 R3009 R3010 C3028 R3011 2SD601A TW3001 50V4.7 (AMP) R3015 3300 R3017 INVERT C3027 50V1 CR DET TANK COME MESECAM C5007 COLOR LEVEL (3.3) DETECTOR Q7QF024P L5001 ENVDET C5005 C5006 6V47 C5004 LB5004 0.01 (4.6) R4017 3300 Q4005 (-0.8) 2SD602A...
  • Page 115 C3029 R3013 C3034 R3014 50V0.47 50V2.2 R3028 C3035 C3030 0.022 0.022 X3001 H0D443400039 R3027 R3012 C3031 C3032 C3033 C3039 C3040 C3041 3300 0.033 50V3.3 50V1 0.01 0.01 (2.7) X-TAL CLOCK DOWN VCO/OSC DRIVER LCVCO CONV 2FSC Y-CCD CHROMA KILLER DISCRI CONT ACC DET MODE...
  • Page 116 A11 A10 QR3007 R3028 UN2213 V.EE (V.EE :OFF) KILLER L3006 C3041 HEAD SW 0.01 SYS IIC CLOCK C3038 SYS IIC DATA R3048 L3005 Q3007 XN0650100L (EE:ON) C3037 C3036 0.01 6V47 R3030 Y-CCD C3023 R3047 0.01 L3004 C3025 C3026 0.01 6V47 C-CCD L3003 C3024...
  • Page 117 8.6. Hi-Fi AUDIO SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER SUPPLY/RF SECTION AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBAC :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO INPUT/OUTPUT SECTION L4502 :TO DECODER SECTION 1.2u C4525...
  • Page 118 AL PATH IN PLAYBACK MODE R4521 4700 R4522 C4524 C4523 0.047 10V33 4529 R4526 R4525 R4524 R4523 C4522 C4521 16V10 6V22 R4520 120K C4520 0.015 IIC BUS PNR RCH INTERFACE C4519 0.22 (1.0) AGC & REC AGC SWITCH R4519 R4527 (4.1) TW4502 D4502...

  • Page 119: Input/ Output Section In Main Schematic Diagram

    8.7. INPUT/ OUTPUT SECTION IN MAIN SCHEMATIC DIAGRAM :TO POWER SUPPLY/RF SECTION VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION :TO Hi-Fi AUDIO SECTION R4901 C4903 T :TO TIMER SECTION...
  • Page 120 MODE AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE JK4903 TW3021 TW3024 K2HZ105B0007 R4936 R4932 C4956 0.01 R4901 C4903 S-VIDEO R4937 R4933 IC4901 C1AB00000601 JK4904 K2HA304B0005 LB4909 VLP0147 R4902 AUDIO OUT (R) C4952 C4953 470P LB4910 C4902...
  • Page 121 8.8. DECODER SECTION IN MAIN SCHEMATIC DIAGRAM R :TO POWER SUPPLY/RF SECTION S :TO SYSTEM CONTROL & SERVO SECTION V :TO LUMINANCE & CHROMINANCE/AUDIO SECTION A :TO Hi-Fi AUDIO SECTION C7628 IC7601 C0EAH0000051 (RESET) SIF2 R7623 C7624 INPUT SWITCH VREF1 AGC, L7607 R7615...
  • Page 122 AUDIO SIGNAL PATH X7601 H0D245500011 C7630 C7631 R7626 C7628 8200 NICAM INPUT DEMODULATION NICAM SWITCH AGC, FM/AM DEMODULATION LB7601 J0JCC0000080 NICAM DEMATRIX VDEC2 DECODER IDENTIFI- VSSD2 CATION 2 CHANNEL LB7604 ANALOG/ DIGITAL LEVEL J0JCC0000124 SATELLITE SELECTOR ADJUST VDDD1 DECODER C7641 C BUS VSSD1 NTERFACE...

  • Page 123: Tv Demodulator Pack Schematic Diagram

    8.9. TV DEMODULATOR PACK SCHEMATIC DIAGRAM VIDEO SIGNAL PATH AUDIO SIGNAL PATH (EP) R0714 R0732 R0731 5600 4700 R0713 LB0701 VLP0147 C0724 330P:EB 220P:EC/EP R0742 Q0702 2SD601A PK0701 (AMP) DU7601-19 DU7601-20 C0721 R0741 DU7601-21 82P:EB DU7601-22 SIF OUT 120P:EC DU7601-23 AFC S-CURVE 56P:EP DU7601-24...
  • Page 124 R0729 R0730 R0701 100K (EB/EC) (EC) (EB) (EB) R0740 470:EB/EC T0701 270:EP R0728 EQV5EC083P:EB EQV5EC082P:EC EQV5EC081P:EP R0717 R0711 R0745 3.3M (EP) C0707 50V2.2 R0709 100K C0717 C0708 R0727 C0719 0.47 TRAP VIDEO S PLL CONT EEMPHP C0713 6V330 D0702 C0701 C0704 0.033 R0705...
  • Page 125 8.10. S-VHS PACK SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE PS3301 V MASK SYS IIC DATA SYS IIC CLOCK (EB) PS 3.3V L3301 C IN DNR 5V PB C C3383 C3355 R3313 R3314 0.01:EB...
  • Page 126 K MODE R3315 C3383 C3344 R3316 C3341 C3339 C3340 0.01:EB 6V0.47 0.01 6V47 6V0.47:EC/EP (EC/EP) IC3305 C1AB00001760 Q3322 2SB1218A R3376 1500 (BUFFER) COMP R3375 R3374 1100 POSLPF1 POSLPF2 C3338 0.01 (EB) IC3304 C1AB00001486 (0.4) LPF2 C3336 0.01 +1dB CH2-C R3372 R3373 C3388 C3389...
  • Page 127 LB3305 J0JCC0000077 C3310 IC3303 6V47 PQ1K253M2ZP LB3309 LB3310 J0JCC0000077 J0JCC0000077 (2.5V REG) LB3304 J0JCC0000077 VOUT C3323 6V47 LB3306 J0JCC0000077 LB3303 J0JCC0000077 C3332 LB3308 6V47 J0JCC0000077 C3321 6V47 C3327 0.01 C3326 0.01 R3330 R3306 C3331 C3328 1200 R3332 Q3312 R3305 2SB1218A (AMP) R3331 C3325...
  • Page 128 LB3307 J0JCC0000077 IC3303 IC3302 PQ1K253M2ZP R3112N251A (2.5V REG) (RESET) VOUT 1 OUT R3307 C3350 C3330 R3301 16V10 8200P C3351 C3353 0.01 6V47 R3302 C3331 C3328 C3329 C3303 VDD RAM2 TBC WE DELAY LB3311 ADJ. J0JCC0000077 HSW IN SYNC TIMING PV IN CONTROL LB3301 J0JCC0000077...

  • Page 129: Front Schematic Diagram

    8.11. FRONT SCHEMATIC DIAGRAM VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE IC4801 PNA4618M10V JK4801 (IR RECEIVER) K2HA307A0003 S-VIDEO AUDIO AUDIO VIDEO IN (R/N) IN (L) JK4802 VJJ0574 C4805 C4806 L4802 L4801 R4801 BOTTOM PLATE R4803 R4802...
  • Page 130 S-VIDEO JK4802 VJJ0574 R4805 R4804 NV-SV120EB/EC/EP FRONT SCHEMATIC DIAGRAM...

  • Page 131: Cylinder Stator Unit Schematic Diagram

    8.12. CYLINDER STATOR UNIT SCHEMATIC DIAGRAM CYLINDER SERVO SPEED LOOP P2901 MAIN COIL 2 P2502-9 MAIN COIL 3 P2502-8 P2502-7 P2502-6 HALL IC GND (CYL) P2502-5 P2502-4 P2502-3 MAIN COIL 1 P2502-2 P2502-1 NV-SV120EB/EC/EP CYLINDER STATOR 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 132 C/EP AGRAM R0212 R0213 Q0203 Q0202 IC0201 (CAPSTAN MOTOR DRIVE) RCC SET Q0201 R0210 D0203 TL0204 TL0202 TL0203 TL0201 L0201 C0208 R0204 C0210 C0209 ED/S TORQUE DIRECTION OUT2 CAPSTAN MOTOR DRIVER MAIN COIL HALL POWER OUT1 EC AMP TL0205 DRIVER CONTROL LOGIC C0207...
  • Page 133 T1150-3 STOP T1150-6 STOP T1150-7 STOP Q1150-G STOP T1150-5 STOP 1.6Vp-p (5msec.div.) 340Vp-p (5usec.div.) 18Vp-p (10usec.div.) 15Vp-p (5usec.div.) 330Vp-p (5usec.div.) Q1200-1,2 STOP IC6001-13 PAUSE IC6001-18 REC IC6001-19 REC IC6001-48 REC 0.5Vp-p (5usec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) 5.0Vp-p (10msec.div.) IC6001-52 REC IC6001-72 REC IC6001-68,69 REC...
  • Page 134 PP3002-14 REC PP3002-6 REC/PLAY PP3002-8 REC/PLAY PP3002-10 REC/PLAY PP3002-12 REC 0.5Vp-p (20µsec.div.) 2.0Vp-p (20 µsec.div.) 1.6Vp-p (20µsec.div.) 2.0Vp-p (20µsec.div.) 0.8Vp-p (20µsec.div.) PP3002-16 REC IC3301-81 REC IC3301-83 PLAY IC3301-88 PLAY PP3002-18 PLAY 0.5Vp-p (20µsec.div.) 2.2Vp-p (20µsec.div.) 0.8Vp-p (20µsec.div.) 0.7Vp-p (20µsec.div.) 0.4Vp-p (20µsec.div.) IC3301-93 REC/PLAY IC3301-95 REC/PLAY IC4501-9,14 REC...
  • Page 135 IC3001 AUDIO HEAD P5001 MUTE FROM TUNER AUDIO (N) DECODER FM MODULATOR/ DEMODULATOR NORMAL P4002 A.HEAD (W) MUTE SELECT SWITCH TO/FROM FROM MUTE AC HEAD & MUTE H SYSTEM SWITCH CONTROL P4002 MUTE A.HEAD (R) TRAP NV-SV120EC/EB/EP AUDIO BLOCK DIAGRAM...
  • Page 136 (3D YC SEP & 3D NR TBC) DECODER 4FSC Q3312 BUFFER BIAS BLACK DELAY EXPANSION & ADJ. SAMPLING FEED-BACK SYNC CHANGE CLAMP 8FSC 4FSC PEDESTAL CLAMP DELAY 3D NR ADJ. ENCODER BURST SAMPLING 8FSC CHANGE SYNCHRONIZATION PROCESSING TIMING CONTROL NV-SV120EC/EB/EP S-VHS BLOCK DIAGRAM...
  • Page 137 S7512 S7511 S7504 Q1501 D1501 Q1502 S7507 TAKE UP SENSOR SUPPLY SAFETY 79 S-REEL PULSE PHOTO PHOTO TAB SW SENSOR SENSOR 7 AN0 P4002 94 CTL HEAD (-) HEAD P4002 CTL HEAD (+) NV-SV120EC/EB/EP SYSTEM CONTROL & SERVO BLOCK DIAGRAM...
  • Page 138 RFC VIDEO OUT V IN1 TUNER VIDEO CLAMP C OUT REC C C IN1 JK4801 VIDEO IN PS4801 PP3901 FRONT VIDEO IN JK4802 S-VIDEO PS4801 PP3901 FRONT C IN PS4801 PP3901 FRONT Y IN NV-SV120EC/EB/EP LUMINANCE & CHROMINANCE BLOCK DIAGRAM...
  • Page 139 VIDEO HEAD P5001 LP/EP R C CLOCK EXTERNAL PB LUMINANCE TO C CCD DRIVER SIGNAL INPUT LINE (NOT USED IN THESE MODELS) TO SYSTEM CONTROL S-VHS S-VHS DET NV-SV120EC/EB/EP NV-SV120EC/EB/EP LUMINANCE & CHROMINANCE BLOCK DIAGRAM LUMINANCE & CHROMINANCE BLOCK DIAGRAM...

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