/ Please refer to the service manual for Z- Mechanism Chassis. (Order No. VRD9802005C2) 2. The Model No. is indicated on the Schematic Diagram and Circuit Board Diagrams as follows. Model No. Indication Mark NV-HS860EE-S (HS860) NV-HS960EE-S (HS960) 2. GENERAL DESCRIPTIONS 2.1. SERVICE CAUTION-1...
Page 3
*AC Connected: AC Power souse *AC Disconnected: Back-up Battery (B7701). (NOTE: Even if the OSD PACK C.B.A.(VEP07A30A/B) is disconnected from the VCR, the power is still supplied from Back- up battery.) 2.1.1. REPLACING PROCEDURE 2.1.1.1. PREPARATION NOTE: It is necessary that the Tape Library System has to operate properly. STEP1.BACK UP THE TAPE LIBRARY DATA 1.
Page 4
1. Disconnect the AC plug and replace the IC6701. STEP2.INPUT THE MODEL& OPTION CODE 1. Set up the model code and option code by ordering the following table. PROCEDURE F.I.P. DISPLAY Turn on the Service Mode "Turn the Shuttle Ring to FF"*1 and press the EJECT key simultaneously for more than 3 seconds.
Page 5
Option Option Code Code 1 Code 2 Code 3 NV-HS860EE-S NV-HS960EE-S Fig.S2 Model Code& Option Code NOTE: Since all electrical adjustments data is still not available, perform the Electrical Adjustment continuously. - Turn on the Service Mode by: / (NV-HS960) / Rotating the Shuttle Ring to FF side and press the EJECT key simultaneously for 3 seconds.
Page 7
2. UPPER CYLINDER DISASSEMBLY A. Remove the Top Panel. B. Remove the screw (A) and Earth Plate. C. Move the lock pinch to the left side in order to release the cylinder lock. D. Keep turning the Upper cylinder clockwise and / counterclockwise alternately and remove the Upper cylinder.
Page 8
2.2.5. 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. Fig. S8 2.3. REMOVAL OF CASSETTE TAPE There are 2 ways to remove a cassette tape. 1.
Page 9
2.4. INTRODUCTION OF VIDEO HEAD CLEANING CASSETTE / (POLISHING TYPE) 1. We are pleased to introduce Panasonic Video Head Cleaning Cassette,VFK0923FT [for service purposes] andVFK0923FSE [for end users] for all VHS/SVHS VCP and VCR. 2. These cleaning cassettes are exclusive removing the hard and sticky clogging on video heads.
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 VFK0923FSE (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
VFK0923FSE (For end users) Note: The tape material itself is the same in both types. 2.5. HOW TO REPLACE THE LITHIUM BATTERY 2.5.1. Backup Battery B7701 This VTR equipped with the Backup Battery (B7701) to backup the following memorized data in the S-RAM IC7703.
Page 12
CAUTION: The lithium battery is a critical component (Type No.: CR2354-1GUF Manufactured by Panasonic.) / It must never be subjected to excessive heat or discharge. / It must therefore only be fitted in equipment designed specifically for its use. / Replacementbatteries must be of the same type and manufacture.
3. ADJUSTMENT PROCEDURES 3.1. DISASSEMBLY METHOD 3.1.1. DISASSEMBLY FLOW CHART This flow chart indicates disassembly steps of the cabinet parts and the circuit boards in order to find the necessary items for servicing. When reassembling, perform the steps in the reverse order. Fig.
Page 14
2. REMOVAL OF THE FRONT PANEL UNIT Pull out JOG& SHUTTLE UNIT& JOG DIAL (HS960 only) Unlock 7 Tabs (B) Fig. D3 3. REMOVAL OF THE POWER C.B.A. Disconnect Bridge Connector (C) Unlock 6 Tabs (D) Fig. D4...
Page 15
COUTIONS: Please pay an attention to disconnect the connector (P1001- P1102) which connected between Main C.B.A. and Power supply unit as shown below. Fig. D5 As above drawing, disconnect the connector by SCREW DRIVER from the direction (A). / Do not disconnect from direction (B) because it is possibility to damage the parts located by the connector.
Page 16
5. REMOVAL OF THE MECHANISM UNIT Remove 3 Screws (G) Remove 2 Screws (H) Note: Keep pressing 2 stoppers on Cassette Holder Plate and Press Cassette Holder Plate to the rear. Fig. D7 6. REMOVAL OF THE MAIN C.B.A. Disconnect Bridge Connector (C) Remove Screw (I)
Page 17
7. SERVICING POSITION Fig. D9 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 equipment is 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 18
- Probes:1:1 3. Universal Counter 4. Digital Volt Meter (D.V.M.) 5. Video Sweep Generator 6. Sine-wave Generator 7. Video Pattern Generator 8. Monitor TV 9. DC Power Supply 10. VHS/S-VHS Blank Tape 11. VHS Alignment Tape - Parts No.:VFJ8125H3F(PAL) 3.3.2. VCR SETTING When no indication in the procedure, set each selector as follows.
Page 19
ITEM ADJ. MODE INPUT TAPE M. EQ. SPEC. REMARKS Refer to procedure PLAYBACK --- ALIGN shown in Fig.E5. SHIFTER MENT ADJUSTMENT TAPE (PAL) 1. VIDEO OUT must VIDEO EE TP3002 VR3004 STOP 1.0±0.05 (Vp- OSCILLO terminated. LEVEL COLOUR (See Fig. E1) SCOPE ADJUSTMENT 1.
Page 20
Fig. E1 Fig. E2 Fig. E3 CONDITION:BURST SIGNAL (0.3Vp-p) 75ohm TERMINATED Fig. E4 3.3.4. PG SHIFTER ADJUSTMENT / (AUTOMATIC) PROCEDURES FIP Display "Turn the Shuttle Ring to FF"*1 and Press EJECT key simultaneously for 3 seconds. "Turn the Shuttle Ring to FF"*1 and Press EJECT key simultaneously more twice.
Page 21
PROCEDURES FIP Display When this Adjustment is terminated, the following operation will be activated. Adjustment completed: The tape will be ejected. Adjustment incompleted: "F2*" is indicated on the FIP.Check the Servo/ System Control circuit and Cylinder Unit. To release Service Mode, "turn the Shuttle Ring to FF"*1 and Press EJECT key simultaneously 6 times until the normal indication on the FIP.
Page 22
PROCEDURES FIP Display Adjust the Frequency response by pressing the "2" (increase) and/or "8" (decrease) key on the Remote Controller. (Refer to Fig.E4) Spec. must be refered to Adjustment spec. To release Service Mode, "Turn the Shuttle Ring to FF"*1 and press the EJECT key simultaneously 6 times until it would be a normal indication.
9.9. AV FRONT SCHEMATIC DIAGRAM 9.10. TBC/ FSC PACK SCHEMATIC DIAGRAM 9.11. HEAD AMP SCHEMATIC DIAGRAM 9.12. TV DEMODULATOR PACK SCHEMATIC DIAGRAM 9.13. NICAM DECODER PACK SCHEMATIC DIAGRAM 10. CIRCUIT BOARD ASSEMBLIES 10.1. POWER C.B.A. 10.2. MAIN C.B.A. 10.3. INPUT/OUTPUT PACK C.B.A. 10.4.
Page 33
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 34
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 35
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 36
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 37
VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE <A-LINE> <A-LINE> <A-LINE> (A34) (A32) (A33) (A35) (A36) (A37) (A30) (A31) (A29) R4520 R4507 (HS960)
Page 38
<A-LINE> <A-LINE> (A55) N SW 5V (1) (A52) (A53) (A54) (A55) (A5) (A60) (A6) N SW 5V (2) BW (H) (A29) (A20) CAL (H) L7601 (RF) (A12) YC VIN/YIN C7601 K7609 (A23) 6V100 K7610 K7603 K7607 TU7601 YC C OUT D6702 C7621 C7618...
Page 39
VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE K6502 (SAT IR LED DRIVE) S6502 R6513 EVQ11L07B (HS960) Q6502 4300 D TV REC 2SD973 13.0 R6508 R6510 R6511 R6512 8200 5600 (SAT IR DRIVE) R6522 Q6501 D6503 2SB709A...
Page 40
AUDIO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE IC4501 JK6501 (AV FRONT) P6501 P7502 AUDIO IN (R) SYS IIC DATA TO/FROM SELECT SW CONTROL IIC BUS SYSTEM MUTE CONTROL INTERFACE VOLUME CONTROL CONTROL SYS IIC CLOCK &...
Page 41
IC6001 CAPSTAN CAP TL IC0201 (CAPSTAN MOTOR DRIVE) (SYSTEM CONTROL/SERVO IC) IC7501 MOTOR DP7501 TL2503 L0201 TL0201 MOTOR DIFFERENTIAL TORQUE P0201 P2501 CURRENT 16MHz IN DRIVE AMPRIFIER CONTROL LIMIT TIMER DISPLAY X6001 CAPSTAN P0201 P2501 16MHz OUT ERROR TORQUE 32KHz IN POSITION CAPSTAN X6002...
Page 42
VIDEO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE IC3001 R (26um) JK6502 CPN L P6501 P7502 L'(49um) IC3201 C IN P6501 P7502 P502 P3002 S-VIDEO S-ET P501 Y IN P6501 P7502 REC EO P502 P3002 P501 JK6501...
Page 43
S-VHS DET H REC C VR3002 FILTER QR3303 IC3301 FROM SYSTEM CONTROL & Q3301 SERVO SECTION 76 REC Y ROTARY SW Q3302 FILTER 78 REC C H A SW HASW1 Q3303 HASW26U REC H 83 Y OUT Q3304 85 C OUT ART V/H/N C IN RSDA...
Page 44
(VEP04762A : NV-HS960EE-S / VEP04762B : NV-HS860EE-S) AV FRONT C.B.A. Transistor Q6501 Q6502 Transistor & Resistor QR6501 EJECT POWER Connector P6501 ADDRESS INFORMATION S-VIDEO IN S-VHS/ET A.DUB D TV REC AUDIO AUDIO IN (R) IN (L) (HS960) INSERT (HS960) VIDEO...
Page 49
IMPORTANT SAFETY NOTICE: COMPONENTS IDENTIFIED WITH THE MARK HAVE REF. NO. 4000 THE SPECIAL CHARACTERISTICS FOR SAFETY. SERIES REF. NO. 4500 SERIES WHEN REPLACING ANY OF THESE COMPONENTS. (HS960) REF. NO. 3000 SERIES USE ONLY THE SAME TYPE. (VEP06D77D : NV-HS960EE) (VEP06D77J : NV-HS860EE) MAIN C.B.A.
Page 52
POWER C.B.A. Transistor Q1200 Integrated Circuit IC1150 IC1200 Connector CAUTION THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO IMPORTANT SAFETY NOTICE: P1101 DISTINGUISH THE PRIMARY FROM THE SECONDARY CIRCUIT. COMPONENTS IDENTIFIED WITH THE MARK HAVE THE SPECIAL CHARACTERISTICS P1103 PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK FOR SAFETY.
Page 57
VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE (HS960) IC501 AN3370K OUTPUT DRIVE 0(6.3) 0(3.4) 0(6.3) 0(1.3) 0 0(6.3) 0(12.4) 0(6.3) IC551 AN3328S C503...
Page 63
TO SERIAL INF CLAMP Ext. Control SERIAL CONTROL 75DR Ext. Control MENT CLAMP CLAMP V REF 75DR CLAMP Ext. Control Ext. Control BUFF CLAMP CLAMP...
Page 64
V REF. I REF. A GND LPF-PNR(R CH) LPF-PNR(L CH) TU(L) MODEM TU(R) NORMAL SELECT SWITCH E2(L) E2(R) MODEM TU(L),(R) DECODER E1(L),(R) SELECT SWITCH V5 OUT MUTE OUTPUT SELECT ENVELOPE SWITCH Hi-Fi DET. D.O.C LINE SELECT SWITCH MUTE CTL E2(L),(R) IIC BUS SELECT SW CTL INTERFACE...
Page 66
1Vp-p 0.5Vp-p CLAMP R CLAMP G CLAMP B VREG CONT SYNC CONT CONT C.SYNC MATRIX SW V NTSC APC SW BURST CLAMP ADD R (Y : 6dB) NTSC : OFF AMP 2 HPF 2 CLAMP BURST ADDd BPFd ADD B MIXd AMP 1 HPF 1...
Page 67
VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE <A-LINE> <A-LINE> C4904 (DECODER) (A11) (A27) (A12) (A28) (A1) (A3) (A2) 470P JK3905 VJS1470 JK3907...
Page 71
C1232 IP1230 THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY 100P CAUTION L1230 FROM THE SECONDARY CIRCUIT. D1230 100u ERA22-04 PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF T1150 THE PRODUCTS. ETE28K121AZ C1230 C1231 P1102...
Page 73
SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) Ref.No. IC1001 IC2501 SHUTTLE 1 MODE S-VHS ET CH SAT CVC VCR XP EP LP SP ON OFF SHUTTLE 2 STOP 15.9 14.1 SHUTTLE 3 REMAIN PLAY 15.4 14.1 R7504 SHUTTLE 4 JOG 1 15.4...
Page 74
VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE R3711 PS3751 SW 5V R3755 C3717 FSC OUT R3751 IC3712 TO TBC PACK (OSC) TC7SET04F D GND D GND IC3711 PP3751 (D-1) Q3751 R3710 D GND TC7SU04FT85L 2SC2295-TX X3751 H0D443400025 C3752 270P R3753 4700 (BUFFER) Q3752...
Page 75
VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE CYLINDER SERVO PHASE LOOP VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE <A-LINE> <A-LINE> (A7) (A8) (A9) (A10) (A11) (A12) (A4) (A5) (A13)
Page 76
<A-LINE> YC Y OUT (A7) (A11) (A22) (A1) (A15) (A9) (A23) (A26) (A12) (A24) (A27) (A13) (A26) TBC PACK PP3751 SW 5V K3012 TW3001 FSC OUT K3015 K3007 TO FSC PACK FL3301 PB/REC Y+C PS3751 (E-1) ELKTT221AA QR3002 R3330 PP3503 UN221L Y OUT 4.7(0)
Page 88
Ref. No. Part No. Part Name& Description Remarks VEP06D77J MAIN C.B.A. (RTL) NV-HS860EE-S INCLUDING THE NICAM DECODER PACK C.B.A.(VEP07A18L), TV DEMODULATOR PACK C.B.A.(VEP07A23C). VEP06D77D MAIN C.B.A. (RTL) NV-HS960EE-S INCLUDING THE NICAM DECODER PACK C.B.A.(VEP07A18L), TV DEMODULATOR PACK C.B.A.(VEP07A23C). VEP07A18L NICAM DECODER PACK C.B.A.