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Panasonic NV-SV120EG Service Manual
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Panasonic NV-SV120EG Service Manual

Panasonic NV-SV120EG Service Manual

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ORDER NO. MABR0303007C2
Video Cassette Recorder
NV-SV120EG
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
This service manual contains technical information which will allow service personnel to
understand and service this model.
1

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Summary of Contents for Panasonic NV-SV120EG

  • Page 1 ORDER NO. MABR0303007C2 Video Cassette Recorder NV-SV120EG 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 This service manual contains technical information which will allow service personnel to...

  • Page 2: General Descriptions

    If the circuit is changed or modified, this information will be followed by supplementary service manual to be filed with original service manual. Note: Adjustment procedures, Disassembly Procedures and Assembly Procedures for Mechanism Chassis are separate volume from this service manual. / Please refer to the service manual for Z- Mechanism Chassis.
  • Page 3 PROCEDURE F.I.P. DISPLAY Turn on the Service Mode 1.Press the FF key and the EJECT key simultaneously for more than 3 seconds. Activate the Service Mode 2 2.While keep placing FF key, press the EJECT key in twice. Activate the Entering Mode. 3.Press the EJECT key for more than 3 seconds.

  • Page 4: Cylinder Unit Replacement

    Model No. NV-SV120EG 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 E. Loose Hex screw (C) (1.5 mm) and remove the CYLINDER RETAINER. F. Remove the Upper Cylinder. Fig. S4 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.
  • Page 6 2. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer. Fig. S5 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.

  • Page 7: Checking Of Main C.b.a

    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 Fig. S11 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] 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. 3. These improve the efficiency of video head cleaning service and shortening cleaning time for end users.

  • Page 10: Self-Diagnosis Result Display

    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. 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 11: 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 12: Detail Of Disassembly Method

    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 13: 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 14: 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 15: Test Equipment

    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 16: Pg Shifter Adjustment / (Automatic)

    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 17 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 18 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 19: Location Of Test Points & Controls

    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 20: Circuit Board Layout

    3.3.8. CIRCUIT BOARD LAYOUT 4. ABBREVIATIONS 5. INPUT/OUTPUT CHART 5.1. INPUT/OUTPUT CHART FOR IC6001 5.2. TRUTH TABLE 6. WAVEFORM TABLE & VOLTAGE CHART 6.1. WAVEFORM TABLE 6.2. VOLTAGE CHART...

  • Page 21: Block Diagrams

    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 22: Exploded Views

    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 23: Casing Parts Section

    10.2. CASING PARTS SECTION...

  • Page 24: Packing Parts Section

    10.3. PACKING PARTS SECTION...

  • Page 25: 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 26 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 27: 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 28: Packing Parts Section Parts List

    Ref. No. Part No. Part Name & Description Remarks VGM1990 TOP PANEL silver NV-SV120EG-S VGM1993 TOP PANEL black NV-SV120EG-K VYP8735 FRONT PANEL U SV120 NV-SV120EG-K VYP8695 FRONT PANEL U SV120 NV-SV120EG-S RKA0072-K FOOT RKA0072-K FOOT VYF2888 DOOR UNIT NV-SV120EG-S VYF2896...

  • Page 29: Electrical Parts List

    RF CABLE EG/EGC RJA0043-1C POWERCORD(MINI/E+EG) VPK2246 ACCESSORIES PACKING VPN5555 CUSHION (L) VPN5554 CUSHION (R) VPG0S72 PACK.CASE SV120 K NV-SV120EG-K VPG0S68 PACK.CASE SV120 S NV-SV120EG-S SERVICE FIXTURES & TOOLS VFJ8125H3F VHS ALIGNMENT TAPE (PAL) [AVC-SPC] VFK0335 RETAINING RING REMOVER (3mm/ [AVC-SPC]...
  • Page 30 Ref. No. Part No. Part Name & Description Remarks VEP06F09A MAIN C.B.A. (RTL) THE FOLLOWING C.B.A. IS INCLUDED IN MAIN C.B.A. VEP07A23S-SK VEP07A23S-SK TV DEMODULATOR PACK C.B.A. (RTL) INCLUDED IN MAIN C.B.A.(VEP06F09A). VEP03G25A S-VHS PACK C.B.A. (RTL) VEP04832A FRONT C.B.A. (RTL) ------------ CYLINDER STATOR C.B.A.
  • Page 31 Ref. No. Part No. Part Name & Description Remarks C1027 F1H1C104A071 CHIP CAPACITOR C1028 EEUEB1E470SB ALU ELEC CAPACITOR C1120 VCF2AAF683M EMI CAPACITOR ECQU2A683MVA C1121 F1BAF1020020 CAPACITOR C1123 F1BAF1020020 CAPACITOR C1141 EEUEB2G330E ALU ELEC CAPACITOR C1151 ECQB1H473JF3 PLAST FILM CAPACITOR C1152 ECQB1H103JF3 PLAST FILM CAPACITOR C1153...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks C3013 F1H1C104A071 CHIP CAPACITOR C3014 F1H1C104A071 CHIP CAPACITOR C3015 F1H0J105A002 CHIP CAPACITOR C3016 F1H1C104A071 CHIP CAPACITOR C3017 F1H1C104A071 CHIP CAPACITOR C3019 F1H1C104A071 CHIP CAPACITOR C3020 ECEA1HKA3R3B ALU ELEC CAPACITOR C3021 ECEA1CKA100B ALU ELEC CAPACITOR C3023 F1H1H103A748...
  • Page 33 Ref. No. Part No. Part Name & Description Remarks C4017 ECEA1CKA100B ALU ELEC CAPACITOR C4018 ECEA1HKA010B ALU ELEC CAPACITOR C4019 ECEA1CKA100B ALU ELEC CAPACITOR C4020 F1H1H221A736 CHIP CAPACITOR C4021 ECQB1H223JF3 PLAST FILM CAPACITOR C4022 F1H1H152A219 CHIP CAPACITOR C4023 ECEA1AKA470B ALU ELEC CAPACITOR C4024 F1H1E223A029 CHIP CAPACITOR...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks C4909 ECJ1VC1H471J CHIP CAPACITOR ECUV1H471JCV C4910 F1H1C104A071 CHIP CAPACITOR C4911 ECJ1VC1H471J CHIP CAPACITOR ECUV1H471JCV C4912 F1H1H470A230 CHIP CAPACITOR C4913 F1H1H470A230 CHIP CAPACITOR C4914 ECJ1VC1H471J CHIP CAPACITOR ECUV1H471JCV C4915 F1H1H101A736 CHIP CAPACITOR C4916 F1H1H101A736 CHIP CAPACITOR...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks C6022 F1H1H221A736 CHIP CAPACITOR C6023 ECJ1VF1A105Z CHIP CAPACITOR ECUV1A105ZFV C6024 ECEA0JKA221B ALU ELEC CAPACITOR C6025 F1H1C104A008 CHIP CAPACITOR C6027 F1H1C333A059 CHIP CAPACITOR C6028 F1H1H222A219 CHIP CAPACITOR C6029 ECJ1VF1C474Z CHIP CAPACITOR ECUV1C474ZFV C6030 ECJ1VC1H151J CHIP CAPACITOR...
  • Page 36 Ref. No. Part No. Part Name & Description Remarks C7643 F1H1H152A219 CHIP CAPACITOR C7644 F1H1H152A219 CHIP CAPACITOR C7645 ECEA1CKA100B ALU ELEC CAPACITOR C7646 ECEA1CKA100B ALU ELEC CAPACITOR C7647 ECEA0JKA101B ALU ELEC CAPACITOR C7651 ECEA1CKA100B ALU ELEC CAPACITOR C7652 F1H1H152A219 CHIP CAPACITOR D0702 ERJ6GEY0R00Z CHIP RESISTOR...

  • Page 37: Line Filter

    Ref. No. Part No. Part Name & Description Remarks IC3001 C1AB00001742 INTEGRATED CIRCUIT IC3002 C1AB00001340 INTEGRATED CIRCUIT IC4501 AN3656NFBPBV INTEGRATED CIRCUIT IC4901 C1AB00000601 INTEGRATED CIRCUIT IC4902 C1AB00001614 INTEGRATED CIRCUIT IC6001 C2CBJG000262 INTEGRATED CIRCUIT IC6002 C3EAGC000015 EEPROM M24C16-WBN6 IC6003 C1AB00001293 INTEGRATED CIRCUIT SDA5650X IC7501 C0HBB0000023...
  • Page 38 Ref. No. Part No. Part Name & Description Remarks L4002 G0C680JA0019 CHOKE COIL AXIAL VLQ0599J680T L4501 G0C1R2J00004 CHOKE COIL AXIAL VLQ0599J1R2T L4502 G0C1R2J00004 CHOKE COIL AXIAL VLQ0599J1R2T L4503 G0C100JA0019 CHOKE COIL AXIAL VLQ0599J100T L4503 G0C100JA0019 CHOKE COIL AXIAL ELEXT100JBV L4901 G0CR22JA0019 CHOKE COIL AXIAL VLQ0599JR22T...
  • Page 40 Ref. No. Part No. Part Name & Description Remarks PK0701 K1MR09A00028 CONNECTOR PP0701 K1KA04B00135 CONNECTOR PP3001 K1KA13A00042 CONNECTOR PP3002 K1KA18A00046 CONNECTOR PP3901 K1KA15A00064 CONNECTOR VJP3042G015W Q0702 2SD0601ASL TRANSISTOR Q1001 2SD0602ARL TRANSISTOR 2SD602A-RTX Q1002 B1AAGD000006 TRANSISTOR Q1003 2SB0710ARL TRANSISTOR 2SB710A-RTX Q1005 B1AAGD000006 TRANSISTOR Q1006...
  • Page 41 QR4005 B1GBCFLL0002 TRANSISTOR DTC124EK-T146...
  • Page 42 Ref. No. Part No. Part Name & Description Remarks QR4501 UNR211300L TRANSISTOR UN2113-TX QR4502 UNR211300L TRANSISTOR UN2113-TX QR4503 XN0121600L MULTI.DIG.TRANSISTOR QR4504 XN0121600L MULTI.DIG.TRANSISTOR QR4507 B1GBCFGA0002 TRANSISTOR DTC143TK-T146 QR4901 B1GBCFJA0002 TRANSISTOR DTC114TK-T146 QR4902 B1GBCFLL0002 TRANSISTOR DTC124EK-T146 QR6001 B1GBCFJA0002 TRANSISTOR DTC114TK-T146 QR6004 UNR221100L TRANSISTOR UN2211-TX...
  • Page 43 Ref. No. Part No. Part Name & Description Remarks R1162 ERDS2FJ102T CARBON RESISTOR R1163 ERDS2FJ101T CARBON RESISTOR R1200 ERJ6GEYG393V CHIP RESISTOR R1202 ERJ6GEYG222V CHIP RESISTOR R1203 ERJ6GEYG333V CHIP RESISTOR R1204 ERJ6GEYJ123V CHIP RESISTOR R1205 ERJ6GEYJ222V CHIP RESISTOR R1206 ERJ6GEYJ271V CHIP RESISTOR R1207 ERJ6GEYG333V CHIP RESISTOR...
  • Page 44 Ref. No. Part No. Part Name & Description Remarks R3040 ERJ6GEYJ472V CHIP RESISTOR R3041 ERJ6GEYJ102V CHIP RESISTOR R3042 ERJ6GEYJ222V CHIP RESISTOR R3043 ERJ6GEYJ182V CHIP RESISTOR R3044 ERJ6GEYJ102V CHIP RESISTOR R3045 ERJ6GEYJ102V CHIP RESISTOR R3046 ERJ6GEYJ471V CHIP RESISTOR R3047 ERJ6RBD183V CHIP RESISTOR R3048 ERJ6RBD273V CHIP RESISTOR...
  • Page 45 Ref. No. Part No. Part Name & Description Remarks R4527 ERJ6GEYJ223V CHIP RESISTOR R4531 ERJ6GEYJ221V CHIP RESISTOR R4533 ERJ6GEYJ221V CHIP RESISTOR R4535 ERJ6GEYJ221V CHIP RESISTOR R4537 ERJ6GEYJ103V CHIP RESISTOR R4538 ERJ6GEYJ221V CHIP RESISTOR R4539 ERJ6GEYJ362V CHIP RESISTOR R4540 ERJ6GEYJ223V CHIP RESISTOR R4543 ERJ6GEYJ221V CHIP RESISTOR...
  • Page 46 Ref. No. Part No. Part Name & Description Remarks R6022 ERJ6GEYJ101Z CHIP RESISTOR ERJ6GEYJ101V R6023 ERJ6GEYJ273V CHIP RESISTOR R6025 ERJ6GEYJ433V CHIP RESISTOR R6026 ERJ6GEYJ393V CHIP RESISTOR R6031 ERJ6GEYJ682V CHIP RESISTOR R6035 ERJ6GEYJ681V CHIP RESISTOR R6036 ERJ6GEYJ681V CHIP RESISTOR R6039 ERJ6GEYJ102V CHIP RESISTOR R6040 ERJ6GEYJ102V...
  • Page 47 Ref. No. Part No. Part Name & Description Remarks R7520 ERJ6GEYJ123V CHIP RESISTOR R7521 ERJ6GEYJ223V CHIP RESISTOR R7522 ERJ6GEYJ822V CHIP RESISTOR R7534 ERJ6GEYJ181V CHIP RESISTOR R7535 ERJ6GEYJ103V CHIP RESISTOR R7536 ERJ6GEYJ562V CHIP RESISTOR R7537 ERJ6GEYJ123V CHIP RESISTOR R7538 ERJ6GEYJ123V CHIP RESISTOR R7603 ERJ6GEY0R00Z CHIP RESISTOR...
  • Page 48 Ref. No. Part No. Part Name & Description Remarks W501 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W502 ERJ8GEY0R00V CHIP RESISTOR W503 ERJ8GEY0R00V CHIP RESISTOR W504 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W506 ERJ8GEY0R00V CHIP RESISTOR W507 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W508 ERJ6GEY0R00Z CHIP RESISTOR ERJ6GEY0R00V W509 ERJ6GEY0R00Z...
  • Page 49 Ref. No. Part No. Part Name & Description Remarks X0704 VLF1493 FILTER X3001 H0D443400039 CRISTAL OSZILLATOR X6001 H0A120500002 CRYSTAL OCSILLATOR X6002 VSX1022 QUARZ X7601 H0H400400006 CRISTAL OSCILLATOR VSX1086-T MISCELLANEOUS EYF52BC FUSE HOLDER EYF52BC FUSE HOLDER VSC5227 SHIELD CASE VSC4998 SHIELD CASE VMP4471 ANGLE VEP03G25A...
  • Page 50 C3338 F1H1H103A220 CHIP CAPACITOR...
  • Page 51 Ref. No. Part No. Part Name & Description Remarks 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 ECJ2YB0J225K CHIP CAPACITOR...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks LB3307 J0JCC0000077 BEAD CORE LB3308 J0JCC0000077 BEAD CORE LB3309 J0JCC0000077 BEAD CORE LB3310 J0JCC0000077 BEAD CORE LB3311 J0JCC0000077 BEAD CORE PS3301 K1KB13B00014 CONNECTOR PS3302 K1KB18B00016 CONNECTOR Q3307 2SD1819ARL TRANSISTOR Q3311 2SD1819ARL TRANSISTOR Q3312 2SB1218A0L...
  • Page 53 Ref. No. Part No. Part Name & Description Remarks R3371 ERJ3GEYJ561V CHIP RESISTOR ERJ3GSJ561V R3372 ERJ3GEYJ105V CHIP RESISTOR ERJ3GSJ105V R3373 ERJ3GEYJ105V CHIP RESISTOR ERJ3GSJ105V R3374 ERJ3GEYG102V CHIP RESISTOR R3375 ERJ3GEYG112V CHIP RESISTOR R3376 ERJ3GEYJ152V CHIP RESISTOR ERJ3GSJ152V VEP04832A FRONT C.B.A. (RTL) C4803 ECKR1H102KB5...

  • Page 54: Schematic Diagram For Printing With A4 Size

    12. SCHEMATIC DIAGRAM FOR PRINTING WITH A4 SIZE...
  • Page 55 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 56 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 57 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 58 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 59 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 60 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 61 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 62 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 63 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 64 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 65: Cylinder Stator Unit

    (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 66 FRONT C.B.A. Integrated Circuit IC4801 Connector PS4801 ADDRESS INFORMATION (VEP04832A) NV-SV120EB/EC/EP FRONT C.B.A.
  • Page 67 (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 QR3007 QR4501 DU7601...
  • Page 68 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 69 S-VHS PACK C.B.A. Transistor Integrated Circuit Q3307 IC3301 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...

  • Page 70: Tv Demodulator Pack C.b.a

    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) R0730 (EP) K0701...
  • Page 71 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 72 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 73 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 74 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 75 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 76 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 77 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 78 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 79 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 80 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 81 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 82 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 83 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 84 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 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 P.ON INSEL OUTSEL AV1IN AV1IN AV1IN AV1IN INSEL EXT1 OUTSEL AV2IN AV2IN AV2IN AV2IN...
  • Page 86 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 87 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 88 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 89 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 90 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 91 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 92 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 93: 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 94 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 95: 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 96: Tuner Unit

    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 97: 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 98 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 99: 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 100 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 101 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 102 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 103 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 104 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 105 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 106 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 107 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 108 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 109: 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 110 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 111 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 112: Audio Signal Path

    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 113: 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 114 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 115 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 116 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 117 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 118 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 119: 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 120 S-VIDEO JK4802 VJJ0574 R4805 R4804 NV-SV120EB/EC/EP FRONT SCHEMATIC DIAGRAM...

  • Page 121: 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 122 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 123 MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE IC4501 JK4801 (AV3) FRONT PS4801 PP3901 AUDIO IN (R) AUDIO PS4801 PP3901 MAIN IIC CLOCK TO/FROM IN (L) IIC BUS SYSTEM INTERFACE CONTROL MAIN IIC DATA JK4902 (AV1) TW4504 QR4504 AUDIO OUT (R)
  • Page 124 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 125 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 126 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 127 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 128 MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE IC4501 JK4801 (AV3) FRONT PS4801 PP3901 AUDIO IN (R) AUDIO PS4801 PP3901 MAIN IIC CLOCK TO/FROM IN (L) IIC BUS SYSTEM INTERFACE CONTROL MAIN IIC DATA JK4902 (AV1) TW4504 QR4504 AUDIO OUT (R)
  • Page 129 IC3305 :VIDEO MAIN SIGNAL PATH IN REC MODE (SUB EMPHASIS,YC SEP/DNR INTERFACE,OSD YC SEP) :VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE SUB EMPHASIS SVHS PP3001 PS3301 EMPHA OUT TO/FROM LUMINANCE & CHROMINANCE PP3001 PS3301 EMPHA IN LAG-LEAD FILTER REC VHS SYNC SYNC for VIDEO PROCESS...
  • Page 130 IC6001 IC7501 IC0201 (CAPSTAN MOTOR DRIVE) (SYSTEM CONTROL/SERVO IC) DP7501 CAPSTAN TL2503 MOTOR TL0201 IC7501 IC4801 P0201 P2501 MOTOR DIFFERENTIAL TORQUE CURRENT DRIVE AMPRIFIER CONTROL LIMIT N.SW N.SW P.FAIL L RESET TIMER DISPLAY RECEIVER HALF WAVE TL AMP PP3901 PS4801 CAPSTAN P0201 P2501...

  • Page 131: Luminance & Chrominance Block Diagram

    VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE (EC/EP) IC4902 (INPUT/OUTPUT SELECT) L3016, L3015, C3063 C3069 JK4903 1.7MHz 4.47MHz TW3024 TW3021 SECAM YC S-VIDEO DATA TRAP IIC BUS IC3002 CLOCK INTERFACE CHROMA SEPARATOR REAR C OUT REAR Y OUT SECAM C Q3006...
  • Page 132 IC3001 (AUDIO/VIDEO SIGNAL PROCESSOR) FIXED TO INT IN THES MODELS BY PP3001 PS3301 C IN PIN53 PP3002 PS3302 2MHz VIDEO OUT PP3002 PS3302 OSD VIDEO SVHS SQUELCH PP3002 PS3302 C OUT -6dB -4dB PP3002 PS3302 Y OUT SVHS CLEAR PP3002 PS3302 SQUELCH V-AMP...
  • Page 133 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 134 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 135 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 136 :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 137 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 138 :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...

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