1. INTRODUCTION This service manual contains technical information which will allow service personnel to understand and service this model. 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.
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8. Press FF and EJECT keys (Normal Indication) simultaneously in 6 times. Fig.S1 Service Secreen (sample) Model No. Model Option Option Option Code Code 1 Code 2 Code 3 NV-SJ422EE 38 / (26h) 8 / (08h) 244 / 6 / (06h) (F4h) http://cxema.ru...
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. Disassembly Procedure”. B.
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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 P3502 Connection. 2. Tighten the Hex screw (C) (1.5 mm) while pressing down on top of the Cylinder Retainer. Fig.
Fig. S6 5. install the Cylinder Stator Unit. 6. Tighten 2 screws (A). Fig. S7 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.
facing the connector contacts. Fig. S9 2.2. REMOVAL OF CASSETTE TAPE There are 2 ways to remove a cassette tape. 1. Service Information Display Operation A. Press the FF and EJECT keys simultaneosly for 3 seconds and set the Service Mode 7. B.
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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.
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 left)”...
INDICATION CAUSE REMEDY/CHECK After cylinder lock is detected, the cylinder does Check the cylinder motor drive circuit. 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.
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 http://cxema.ru...
3. REMOVAL OF THE MECHANISM UNIT Remove Screw (C) Remove CYLINDER SHIELD PLATE Remove Screw (D) Remove 3 Screws (E) Remove 2 Screw (F) Note: 1. Keep pressing 2 stoppers on Cassette Holder Plate and Press Cassette Holder Plate to the rear. 2.
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4. REMOVAL OF THE MAIN C.B.A. Remove 4 screws (G) Unlock 4 Tabs (H) Fig. D5 NOTE: Before mounting the MAIN C.B.A. onto the frame, be sure to confirm that the insulation sheet is mounted on http://cxema.ru...
the frame as shown in Fig. Fig. D6 5. SERVICING POSITION Fig. D7 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.
5. Video Sweep Generator 6. Sinewave Generator 7. Video Pattern Generator 8. Monitor TV 9. DC Power Supply 10. 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. 1.
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.
PROCEDURES FIP DISPLAY Release the Service mode by pressing the EJECT and FF keys simultaneously in 6 times until the FIP becomes normal indication. Fig. E4 3.3.6. VIDEO FREQUENCY RESPONSE ADJUSTMENT PROCEDURES FIP DISPLAY Input the Video sweep signal. (See Fig.E1) Press the FF and EJECT Keys simultaneously for 3 seconds.
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4.43 NTSC L 443NT [L] BILINGUAL 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.
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CYL GND CYLINDER GND FULL. E. 12V FULL ERASE 12V DELAIED FM RECORDING H D.F.M. REC [H] GND [A] GND (ANALOG) DELAIED FM RECORDING L D. FM REC [L] GND [TU] GND (TUNER) D. GND DIGITAL GND GND/N. SW. 12V GND/NON SW 12V DELAYED RECORDING H D.
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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.
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RF OUT RF OUTPUT SYSCON 5V SYSTEM CONTROL 5V RF Y RF LUMINANCE SIGNAL SYSTEM SYSTEM SW RF. Y. IN RF LUMINANCE SIGNAL INPUT T-PHOTO TAKE-UP PHOTO TRANSISTOR RF. Y. OUT RF LUMINANCE SIGNAL OUTPUT T-RL. PLS TAKE-UP REEL PULSE ROTAR.
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No. Port Name Description P-OFF P-FAIL Reset P-Save CURRENT_LIMIT O Capstan motor current limit terminal. F ADJUST O Analogue voltage output for HEAD frequency response adjustment N.C. -- Low fix (No Connection.) Terminal of the Current emphasis video/FM audio recording current. [HIFI/2HEAD ]:Fix to Low (Normal mode) C EMPHA(H) [4HEAD]...
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No. Port Name Description P-OFF P-FAIL Reset P-Save ROTARY.SW O Output terminal for rotary switch. H.A.SW O Output terminal for HEAD AMP switch. ENVE.SELECT I Input terminal for enverope selection. VIDEO.H.SW O Output terminal for video HEAD switch. A.H.SW O Output terminal for FM audio HEAD switch. Audio Mute output terminal for tuner and decoder.
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No. Port Name Description P-OFF P-FAIL Reset P-Save LC.OSC OUT O The oscillation output terminal for OSD dot clock. RESET(L) I Input terminal for microprocessor reset. 4FC.LPF I 4fc clock input terminal OSD.FSC IN I OSD clock input terminal 5V(OSD) I 5V input terminal CVIN I Input terminal for Composite video signal.
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No. Port Name Description P-OFF P-FAIL Reset P-Save FLD/T2 DATA OUT O Serial data output terminal for FIP driver and TEST_2(Factory use). Not fix Low FLD_CS O Chip select terminal for FIP driver. Not fix Low T.REEL.PULSE I Input terminal for Take-up Reel sensor pulse. S.REEL.PULSE I Input terminal for Supply Reel sensor pulse.
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INPUT CONDITION VIDEO OUTPUT RESULT AUDIO OUTPUT RESULT POWER INPUT RF (C) AV1 Out AV2 Out SELECT ON(H) PB(H) PB(H) PB(H) Selector Selector AV2 In AV1 In AV2 In AV1 In Mute AV2 In AV1 In AV2 In AV1 In AV2 In AV1 In Mute...
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INPUT CONDITION VIDEO OUTPUT RESULT AUDIO OUTPUT RESULT POWER INPUT RF (C) AV1 Out AV2 Out SELECT ON(H) PB(H) PB(H) PB(H) Selector Selector P.ON NO.TU VCR out VCR out INSEL C+.TU VCR out VCR out INSEL VCR out VCR out AV1 In AV1 In AV1 In...
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INPUT CONDITION VIDEO OUTPUT RESULT AUDIO OUTPUT RESULT POWER INPUT RF (C) AV1 Out AV2 Out SELECT ON(H) PB(H) PB(H) PB(H) Selector Selector P.ON DECODER VTR NO.TU VCR out AV1 In AV1 In AV1 In VCR out AV1 In AV1 In AV1 In C+.TU VCR out TUN IN...
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SYSTEM CONTROL & SERVO ICs DC VOLTAGE CHART (SP MODE) IC1501 IC1502 Ref. No. MODE STOP PLAY IC2501 Ref. No. MODE STOP 16.8 16.8 16.8 16.8 PLAY 14.9 14.9 15.2 14.9 15.1 15.1 15.4 15.1 14.4 14.4 14.6 14.7 14.3 14.3 14.6 14.9...
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IC6001 CAPSTAN IC7501 IC0201 (CAPSTAN MOTOR DRIVE) (SYSTEM CONTROL/SERVO IC) DP7501 MOTOR TL2503 L0201 TL0201 MOTOR DIFFERENTIAL TORQUE P0201 P2501 CURRENT DRIVE AMPRIFIER CONTROL LIMIT TIMER DISPLAY 20MHz IN 31 CAPSTAN P0201 P2501 ERROR TORQUE X6002 20MHz OUT 32 POSITION CAPSTAN TORQUE P0201...
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MAIN SIGNAL PATH IN REC MODE MAIN SIGNAL PATH IN PLAYBACK MODE Y/C VIDEO OUT TO/FROM SYSTEM CONTROL VIDEO OUT IC4901 Q4904 SYSTEM C SYNC CONTROL TO TUNER RFC VIDEO OUT CLAMP FROM TV TUNER VIDEO CLAMP DEMODULATOR JK4903 (AV1) PB +12V BLUE GREEN...
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IC3001 PEAKING H-TRAP NLDE DOUB IC3501 PICT TW3030 DELAY AMP & H.AMP FAMI CLP1 P3502 LP L REC-Y FAMI TO/FROM P3502 CYLINDER LP COM VIDEO HEAD P3502 MAIN PREAMP LP R FAMI & H.SW TW3001 H.AMP CLIP L-TRAP &HPF MAIN SYNC CLAMP EMPH...
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R0206 (FG HEAD) R0212 R0213 Q0203 P0201 Q0202 IC0201 R0207 CURR LIMIT (CAPSTAN MOTOR DRIVE) HOLE HOLE CAP ET SENSOR SENSOR CAP ED/S RCC SET CAP FG1 Q0201 GND (FG) R0210 C0201 REG 5V GND (MOTOR) D0203 TL0204 TL0202 TL0203 LOAD MOTOR (-) LOAD MOTOR (+) TL0201...
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CYLINDER SERVO SPEED LOOP P2901 MAIN COIL 2 MAIN COIL 3 HALL IC GND (CYL) MAIN COIL 1 NOTE:DO NOT USE ANY PART NUMBER SHOWN ON THIS SCHEMATIC DIAGRAM FOR ORDERING.WHEN YOU ORDER A PART,PLEASE REFER TO PARTS LIST.
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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 POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO LUMINANCE & CHROMINANCE/AUDIO SECTION L4903 R4945 C4925...
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:TO POWER SUPPLY/RF SECTION THE STRIPED FRAME INDICATES THE PRIMARY CIRCUIT TO DISTINGUISH THE PRIMARY CAUTION :TO TIMER SECTION FROM THE SECONDARY CIRCUIT. PAY ATTENTION NOT TO RECEIVE AN ELECTRIC SHOCK DURING REPAIR AND SERVICE OF THE PRODUCTS. T1101 ETE28K131AZ LB1102 C1101 D1125...
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VIDEO MAIN SIGNAL PATH IN REC MODE AUDIO MAIN SIGNAL PATH IN REC MODE VIDEO MAIN SIGNAL PATH IN PLAYBACK MODE AUDIO MAIN SIGNAL PATH IN PLAYBACK MODE :TO POWER TRANSFORMER SECTION :TO SYSTEM CONTROL & SERVO SECTION TU7601 :TO LUMINANCE & CHROMINANCE/AUDIO SECTION Q1002 Q1006 2SD602A...
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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 R :TO POWER SUPPLY/RF SECTION :TO SYSTEM CONTROL & SERVO SECTION :TO INPUT/OUTPUT SECTION IC3501 AN3368SB T :TO TIMER SECTION...
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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.
11. REPLACEMENT PARTS LIST 11.1. CHASSIS PARTS SECTION PARTS LIST Ref. No. Part No. Part Name & Description Remarks VEG1523 CYLINDER UNIT [SUPPLIED FROM MBV] VXP2002 UPPER CYLINDER UNIT VDB1256 CYLINDER RETAINER VEM0715 CYLINDER MOTOR UNIT VXS0135 EARTH BRUSH VMD3795 FLAT CABLE HOLDER VEK9069 CAPSTAN UNIT...
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Ref. No. Part No. Part Name & Description Remarks Ы VEP06E00K MAIN C.B.A. (RTL)[SUPPLIED FROM MBV] THE FOLLOWING C.B.A. IS INCLUDED IN MAIN C.B.A. VEP07A23R Ы VEP07A23R TV DEMODULATOR PACK C.B.A (RTL)[SUPPLIED FROM MBV] INCLUDED IN MAIN C.B.A.(VEP06E00K). Ы ------------ CYLINDER STATOR C.B.A.
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Ref. No. Part No. Part Name & Description Remarks C1112 ECQB1H822JF P.CAPACITOR 50V 8200P C1114 ECA1HHJ470 E.CAPACITOR 50V 47U [SUPPLIED FROM MBV] C1118 ECQU2A683MVA P.CAPACITOR 100V 0.068U C1120 ECEC2GG820GP E.CAPACITOR 400V 82U C1122 ECKF1H121KB C.CAPACITOR 50V 120P C1131 EEUFG1E821 E.CAPACITOR 25V 820P [SUPPLIED FROM MBV] C1132 ECA1EHJ331...