Panasonic Omnivision PV-M1349 Service Manual
Panasonic Omnivision PV-M1349 Service Manual

Panasonic Omnivision PV-M1349 Service Manual

Combination vcr
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Table Of Contents
COVER
1 SAFETY PRECAUTIONS
2 X-RADIATION
3 PREVENTION OF
ELECTROSTATIC DISCHARGE
(ESD) TO ELECTROSTATICALLY
SENSITIVE (ES) DEVICES
4 OPERATION GUIDE
4.1 BASIC OPERATION
5 SERVICE NOTES (PLEASE READ)
5.1 SERVICE NOTES
5.1.1 SIMPLIFIED FAULT FINDING
DATA
5.1.2 SERVICE POSITION
5.1.2.1 Basic Service Position
5.1.2.1.1 Service Position (1)
5.1.2.1.2 Service Position (2)
5.1.2.2 Service Position with Extension
Cable Kit
5.1.2.2.1 Extension Cable Kit
(VUZS0002)
5.1.2.2.2 How to place the unit into
Service Position with Extension Cables
5.1.3 HOT CIRCUIT
5.1.4 SERVICE MODE
5.1.5 CAUTION FOR INSTALLATION
OF VCR UNIT
5.1.5.1 Install the VCR Unit as follows:
5.1.6 HOW TO INITIALIZE MEMORY
IC
5.1.7 METHOD FOR
LOADING/UNLOADING OF
MECHANISM
5.1.7.1 (Manual Method)
5.1.7.2 (Electrical Method)
5.1.8 HOW TO REMOVE A JAMMED
TAPE
5.1.8.1 Manual Method
5.1.8.1.1 Method -1:
5.1.8.1.2 Method -2:
5.1.8.1.3 Method -3:
5.1.8.2 Electrical Method
(1 of 12) [28. 3. 2004 4:22:53]
Table Of Contents
COVER
1 SAFETY PRECAUTIONS
2 X-RADIATION
3 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES
4 OPERATION GUIDE
4.1 BASIC OPERATION
5 SERVICE NOTES (PLEASE READ)
5.1 SERVICE NOTES
5.1.1 SIMPLIFIED FAULT FINDING DATA
5.1.2 SERVICE POSITION
5.1.2.1 Basic Service Position
5.1.2.1.1 Service Position (1)
5.1.2.1.2 Service Position (2)
5.1.2.2 Service Position with Extension Cable Kit
5.1.2.2.1 Extension Cable Kit (VUZS0002)
5.1.2.2.2 How to place the unit into Service Position with Extension
Cables
5.1.3 HOT CIRCUIT
5.1.4 SERVICE MODE

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Summary of Contents for Panasonic Omnivision PV-M1349

  • Page 1 Table Of Contents Table Of Contents COVER COVER 1 SAFETY PRECAUTIONS 2 X-RADIATION 3 PREVENTION OF 1 SAFETY PRECAUTIONS ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY 2 X-RADIATION SENSITIVE (ES) DEVICES 4 OPERATION GUIDE 3 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO 4.1 BASIC OPERATION ELECTROSTATICALLY SENSITIVE (ES) DEVICES 5 SERVICE NOTES (PLEASE READ) 5.1 SERVICE NOTES...
  • Page 2 PVM1349.html 5.1.5 CAUTION FOR INSTALLATION OF VCR UNIT 5.1.8.3 VCR Test Mode 5.1.9 WIRE AND LEAD POSITION DIAGRAM 5.1.5.1 Install the VCR Unit as follows: 5.1.10 DEFEATING THE AUTO TRACKING 5.1.6 HOW TO INITIALIZE MEMORY IC 5.1.11 HOW TO SET TRACKING TO THE NEUTRAL POSITION 5.1.7 METHOD FOR LOADING/UNLOADING OF MECHANISM 5.1.12 CYLINDER ROTATION IN...
  • Page 3 PVM1349.html 5.1.16 VARIABLE VOLTAGE ISOLATION TRANSFORMER 6.1.4.2 Reassembly Notes 6.1.5 Top Shield Plate Ass'y 6.1.5.1 Disassembly Procedure 5.1.17 SPECIAL NOTE 6.1.6 VCR Chassis Unit 6.1.6.1 Disassembly Procedure 5.1.18 REPLACEMENT PROCEDURE FOR LEADLESS (CHIP) 6.1.6.2 Reassembly Notes COMPONENTS 6.1.7 Main C.B.A. 6.1.7.1 Disassembly Procedure 5.1.19 MODEL NO.
  • Page 4 PVM1349.html 6.1.5 Top Shield Plate Ass'y 6.2.10.2 Reassembly Notes 6.2.11 S Brake Arm Unit, Main Lever Guide, Loading Post Base -S, and 6.1.5.1 Disassembly Procedure Loading Post Base -T Unit 6.2.11.1 Disassembly Procedure 6.1.6 VCR Chassis Unit 6.2.11.2 Reassembly Notes 6.2.12 Capstan Rotor Unit, Capstan 6.1.6.1 Disassembly Procedure Holder Unit, and SS Brake Arm Unit...
  • Page 5 PVM1349.html Control Head Unit CONFIRMATION 7.2.2.3 FG HEAD GAP ADJUSTMENT 7.2.2.4 P2 AND P3 POST HEIGHT 6.2.5.1 Disassembly Procedure ADJUSTMENT (PRELIMINARY ADJUSTMENT) 6.2.5.2 Reassembly Notes 7.2.2.5 TAPE INTERCHANGEABILITY 6.2.6 Main Cam Gear and Drive Rack Arm ADJUSTMENT (FINAL ADJUSTMENT) 6.2.6.1 Disassembly Procedure 7.2.2.5.1 ENVELOPE OUTPUT ADJUSTMENT 7.2.2.5.2 AUDIO CONTROL HEAD...
  • Page 6 PVM1349.html 7.3.12 PG SHIFTER ADJUSTMENT 6.2.11.2 Reassembly Notes 7.3.13 SUB CONTRAST ADJUSTMENT 6.2.12 Capstan Rotor Unit, Capstan Holder Unit, and SS Brake Arm 7.3.14 FOCUS, SCREEN, CUT OFF, Unit DRIVE ADJUSTMENT 7.3.15 SUB COLOR/SUB TINT ADJUSTMENT 6.2.12.1 Disassembly Procedure 7.3.16 PURITY ADJUSTMENT 7.3.17 STATIC CENTRAL 6.2.12.2 Reassembly Notes CONVERGENCE ADJUSTMENT...
  • Page 7 PVM1349.html DIAGRAM (E, F, I) 6.3.1.2 Reassembly Notes 8.12 CRT SCHEMATIC DIAGRAM (A, B, C, D, E, F) 6.3.2 Sensor Cover, Opener Lever, and Drive Rack Unit 8.13 CRT SCHEMATIC DIAGRAM (G, H, I) 6.3.2.1 Disassembly Procedure 8.14 CAPSTAN STATOR / JUNCTION / LOADING MOTOR / AUDIO 7 ADJUSTMENT PROCEDURES CONTROL HEAD SCHEMATIC...
  • Page 8 PVM1349.html 10.7 SERVO BLOCK DIAGRAM 7.3.1 TEST EQUIPMENT 10.8 TV Y/C PROCESS/OSD/CCV/CRT BLOCK DIAGRAM 7.3.2 HOW TO READ THE ADJUSTMENT PROCEDURES 11 EXPLODED VIEWS 11.1 MECHANISM (TOP) SECTION 7.3.3 115V ADJUSTMENT 11.2 MECHANISM (BOTTOM) SECTION 7.3.4 STEREO/SAP FILTER, TV VCO, SEPARATION 11.3 CASSETTE UP COMPARTMENT ADJUSTMENT (Model: I) SECTION...
  • Page 9 PVM1349.html 7.3.17 STATIC CENTRAL CONVERGENCE ADJUSTMENT 7.3.18 DYNAMIC CONVERGENCE ADJUSTMENT 7.3.19 V. HEIGHT/H. POSITION ADJUSTMENT 7.3.20 WHITE BALANCE ADJUSTMENT 7.3.21 SUB BRIGHTNESS ADJUSTMENT 7.4 TEST POINTS AND CONTROL LOCATION 8 SCHEMATIC DIAGRAMS 8.1 SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES 8.2 TV/VCR MAIN I (SYSTEM CONTROL/SERVO/OPERATION) SCHEMATIC DIAGRAM 8.3 TV/VCR MAIN II (SIGNAL PROCESS/OSD/AUDIO)
  • Page 10 PVM1349.html 8.12 CRT SCHEMATIC DIAGRAM (A, B, C, D, E, F) 8.13 CRT SCHEMATIC DIAGRAM (G, H, I) 8.14 CAPSTAN STATOR / JUNCTION / LOADING MOTOR / AUDIO CONTROL HEAD SCHEMATIC DIAGRAM 8.15 INTERCONNECTION SCHEMATIC DIAGRAM 8.16 SIGNAL WAVEFORM 8.17 VOLTAGE CHART 9 CIRCUIT BOARD LAYOUT 9.1 TV/VCR MAIN C.B.A.
  • Page 11 PVM1349.html 10.3 VIDEO SIGNAL PATH BLOCK DIAGRAM 10.4 AUDIO SIGNAL PATH BLOCK DIAGRAM 10.5 MTS/SAP AUDIO / STEREO AMP BLOCK DIAGRAM 10.6 SYSTEM CONTROL BLOCK DIAGRAM 10.7 SERVO BLOCK DIAGRAM 10.8 TV Y/C PROCESS/OSD/CCV/CRT BLOCK DIAGRAM 11 EXPLODED VIEWS 11.1 MECHANISM (TOP) SECTION 11.2 MECHANISM (BOTTOM) SECTION 11.3 CASSETTE UP COMPARTMENT SECTION 11.4 CHASSIS FRAME SECTION (1)
  • Page 12 PVM1349.html 12.3.4 HEAD AMP C.B.A. ( A,B,C,D,G,H )█ 12.3.5 HEAD AMP C.B.A. ( E,F,I )█ 12.3.6 JUNCTION C.B.A.█ 12.3.7 CRT C.B.A. ( A,B,C,D,E,F )█ 12.3.8 CRT C.B.A. ( G,H,I )█ 12.3.9 ELECTRICAL PARTS LOCATED ON CHASSIS 12.3.10 SUMMARY OF "E" ITEM NUMBERS (12 of 12) [28.
  • Page 13 Service Manual TOP NEXT ORDER NO. MKE9901100C1 Combination VCR PV-M1349 PV-M1359W VV-1309 VV-1319W PV-M1369 PV-M1379W PV-M2059 PV-M2069W PV-M2079 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0000000000.html (1 of 2)29-03-2004 10:27:46...
  • Page 14 © 1999 Matsushita-Kotobuki Electronics Industries LTD. All rights reserved. Unauthorized copying and distribution is a violation of law. TOP NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0000000000.html (2 of 2)29-03-2004 10:27:46...
  • Page 15: Safety Precautions

    Connect (-) side of an ohmmeter to the B+ lines, and (+) side to chassis ground. Each line should have more resistance than specified, as follows : (Model: A, B, C, D, E, F) 6. B+ Line Minimum Resistance 7. 115V http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0100000000.html (1 of 4)29-03-2004 10:28:05...
  • Page 16 Always discharge the anode of the picture tube to the CRT ground of receiver before handling the tube. 16. After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards. LEAKAGE CURRENT COLD CHECK http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0100000000.html (2 of 4)29-03-2004 10:28:05...
  • Page 17 Leakage current must not exceed 1/2 milliampere. In case a measurement is outside of the limits specified, there is a possibility of shock hazard, and the receiver should be repaired and rechecked before it is returned to the customer. Figure 1 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0100000000.html (3 of 4)29-03-2004 10:28:05...
  • Page 18 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0100000000.html (4 of 4)29-03-2004 10:28:05...
  • Page 19 SERVICE WARNING : The test must be made as a final check before set is returned to the customer. CONFIRMATION OF X-RAY MOVEMENT 1. Turn off TV set. 2. Connect the circuit below between TP1209 and TP1208. http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0200000000.html (1 of 3)29-03-2004 10:28:15...
  • Page 20 IC5301 Pin11 through R503 and R5504. Due to the increased voltage at IC5301 Pin11, the horizontal oscillator frequency increases, the picture goes out of horizontal sync, the beam current decreases and the picture becomes dark in order to keep X-radiation under specification. Figure 3 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0200000000.html (2 of 3)29-03-2004 10:28:15...
  • Page 21 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0200000000.html (3 of 3)29-03-2004 10:28:15...
  • Page 22: Prevention Of Electrostatic Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0300000000.html (1 of 2)29-03-2004 10:28:23...
  • Page 23 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0300000000.html (2 of 2)29-03-2004 10:28:23...
  • Page 24 4 OPERATION GUIDE TOP PREVIOUS NEXT 4.1 BASIC OPERATION TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0400000000.html29-03-2004 10:28:37...
  • Page 25: Basic Operation

    4.1 BASIC OPERATION TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0401000000.html29-03-2004 10:28:49...
  • Page 26: Service Notes (Please Read)

    5.1.4 SERVICE MODE 5.1.5 CAUTION FOR INSTALLATION OF VCR UNIT 5.1.5.1 Install the VCR Unit as follows: 5.1.6 HOW TO INITIALIZE MEMORY IC 5.1.7 METHOD FOR LOADING/UNLOADING OF MECHANISM 5.1.7.1 (Manual Method) 5.1.7.2 (Electrical Method) http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0500000000.html (1 of 3)29-03-2004 10:29:25...
  • Page 27 5.1.15 HOW TO CONFIRM AUTO CLOCK SET FEATURE 5.1.16 VARIABLE VOLTAGE ISOLATION TRANSFORMER 5.1.17 SPECIAL NOTE 5.1.18 REPLACEMENT PROCEDURE FOR LEADLESS (CHIP) COMPONENTS 5.1.19 MODEL NO. IDENTIFICATION MARK 5.2 IC, TRANSISTOR AND CHIP PART INFORMATION http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0500000000.html (2 of 3)29-03-2004 10:29:25...
  • Page 28 5.2.1 HOW TO READ THE IDENTIFICATION MARK OF CHIP COMPONENTS. 5.2.2 HOW TO READ THE VALUES OF THE CYLINDRICAL TYPE CHIP COMPONENTS. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0500000000.html (3 of 3)29-03-2004 10:29:25...
  • Page 29: Service Notes

    5.1.5 CAUTION FOR INSTALLATION OF VCR UNIT 5.1.5.1 Install the VCR Unit as follows: 5.1.6 HOW TO INITIALIZE MEMORY IC 5.1.7 METHOD FOR LOADING/UNLOADING OF MECHANISM 5.1.7.1 (Manual Method) 5.1.7.2 (Electrical Method) 5.1.8 HOW TO REMOVE A JAMMED TAPE http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501000000.html (1 of 2)29-03-2004 10:29:40...
  • Page 30 5.1.14 HOW TO RESET ALL COMBINATION VCR MEMORY FUNCTIONS 5.1.15 HOW TO CONFIRM AUTO CLOCK SET FEATURE 5.1.16 VARIABLE VOLTAGE ISOLATION TRANSFORMER 5.1.17 SPECIAL NOTE 5.1.18 REPLACEMENT PROCEDURE FOR LEADLESS (CHIP) COMPONENTS 5.1.19 MODEL NO. IDENTIFICATION MARK TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501000000.html (2 of 2)29-03-2004 10:29:40...
  • Page 31 1. With power turned off, press FF and REW buttons on unit together for over 3 seconds. Fig. 1-1 2. TV power goes on and the unit goes into service mode. 4 digit for fault code and communication for IIC bus code will be displayed. Fig. 1-2 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501010000.html (1 of 3)29-03-2004 10:29:59...
  • Page 32 Fig. 1-3 Fig. 1-4 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501010000.html (2 of 3)29-03-2004 10:29:59...
  • Page 33 3. Press any operation button except for POWER on either the unit, or the remote to detect that a key has been pressed. The 1st digit changes to "0" only when key is detected. Fig. 1-6 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501010000.html (3 of 3)29-03-2004 10:29:59...
  • Page 34: Service Position

    5.1.2.1 Basic Service Position 5.1.2.1.1 Service Position (1) 5.1.2.1.2 Service Position (2) 5.1.2.2 Service Position with Extension Cable Kit 5.1.2.2.1 Extension Cable Kit (VUZS0002) 5.1.2.2.2 How to place the unit into Service Position with Extension Cables TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020000.html29-03-2004 10:30:09...
  • Page 35 5.1.2.1 Basic Service Position TOP PREVIOUS NEXT 5.1.2.1.1 Service Position (1) 5.1.2.1.2 Service Position (2) TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020100.html29-03-2004 10:30:32...
  • Page 36 1. Remove Rear Cover, VCR Unit, and Top Shield Plate Ass'y. Then, place VCR Unit as shown. Fig. 2-1 CAUTION: HOT CIRCUIT (Primary circuit) exists on the Main C.B.A. Use extreme care to prevent accidental shock when servicing. Note: When disassembling/assembling, refer to " CABINET SECTION " in Disassembly/Assembly Procedures. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020101.html29-03-2004 10:31:06...
  • Page 37 5.1.2.1.2 Service Position (2) TOP PREVIOUS NEXT 1. Remove Rear Cover, VCR Unit, and Top Shield Plate Ass'y. 2. Remove VCR Chassis Unit from the frame. 3. Place VCR Chassis Unit as shown. Fig. 2-2 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020102.html29-03-2004 10:31:27...
  • Page 38 5.1.2.2 Service Position with Extension Cable Kit TOP PREVIOUS NEXT Fig. 2-3 CAUTION: http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020200.html (1 of 2)29-03-2004 10:31:43...
  • Page 39 Use extreme care to prevent accidental shock when servicing. Note: When disassembling/assembling, refer to " CABINET SECTION " in Disassembly/Assembly Procedures. 5.1.2.2.1 Extension Cable Kit (VUZS0002) 5.1.2.2.2 How to place the unit into Service Position with Extension Cables TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020200.html (2 of 2)29-03-2004 10:31:43...
  • Page 40 3 types of Extension Cable -2 are included in this kit. Since there is a difference in the number of P3501 Head Amp C.B.A. pins between 2 Head, 4 Head, and Hi-Fi models, be sure to use the proper cable. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020201.html29-03-2004 10:32:36...
  • Page 41 5.1.2.2.2 How to place the unit into Service Position with Extension Cables TOP PREVIOUS NEXT 1. Remove Rear Cover, VCR Unit, Top Shield Plate Ass'y, Mechanism Chassis, and Cassette Up Ass'y. 2. Connect the Extension Cables as follows: Fig. 2-5 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020202.html (1 of 4)29-03-2004 10:33:12...
  • Page 42 To avoid damaging the connectors on Main C.B.A., it is necessary to secure connectors with tape as shown. 5. Set Mode Select SW. on the Main C.B.A. to Service Position. 6. Plug the AC plug into an AC outlet. 7. Insert a cassette. http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020202.html (2 of 4)29-03-2004 10:33:12...
  • Page 43 11. After servicing, remove the jumper between TP6001 and GND to release the unit from Service Mode. CAUTION: HOT CIRCUIT(Primary circuit) exists on the Main C.B.A. Use extreme care to prevent accidental shock when servicing. Note: When disassembling/assembling, refer to " CABINET SECTION " in Disassembly/Assembly Procedures. Fig. 2-6 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020202.html (3 of 4)29-03-2004 10:33:12...
  • Page 44 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501020202.html (4 of 4)29-03-2004 10:33:12...
  • Page 45 5.1.3 HOT CIRCUIT TOP PREVIOUS NEXT Primary circuit exists on the Main C.B.A. This circuit is identified as "HOT" on the C.B.A. and in the Service Manual. Use extreme care to prevent accidental shock when servicing. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501030000.html29-03-2004 10:33:24...
  • Page 46: Service Mode

    TP6001 and GND. In this mode, Mechanism movement can be confirmed. When removing Cassette Up Ass'y, it can be confirmed without a cassette. To release from this mode, remove the jumper between TP6001 and GND. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501040000.html29-03-2004 10:33:41...
  • Page 47 5.1.5 CAUTION FOR INSTALLATION OF VCR UNIT TOP PREVIOUS NEXT CAUTION: Opener Lever may be damaged when VCR Unit is installed, with Cassette Door-Lid and Opener Lever of Cassette Up Ass'y set incorrectly. 5.1.5.1 Install the VCR Unit as follows: TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501050000.html29-03-2004 10:34:12...
  • Page 48 1. Swing the Cassette Door -Lid all the way open until the Cassette Door tab clears the Opener Lever. 2. Make sure that all guide tabs are aligned properly. Then, press the VCR Unit straight in. Fig. 3 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501050100.html29-03-2004 10:34:32...
  • Page 49 4. Press and hold STOP, PLAY, and VOL DOWN buttons on the unit together over 5 seconds again or press the POWER button OFF to release EVR Adjustment Mode. The Default value will be written to Memory IC (IC6004). http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501060000.html (1 of 2)29-03-2004 10:34:56...
  • Page 50 5. Perform all EVR Adjustments. (Refer to " EVR (Electronic Variable Register) ADJUSTMENT WITH THE REMOTE CONTROL " in Electrical Adjustment procedures.) TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501060000.html (2 of 2)29-03-2004 10:34:56...
  • Page 51 5.1.7 METHOD FOR LOADING/UNLOADING OF MECHANISM TOP PREVIOUS NEXT 5.1.7.1 (Manual Method) 5.1.7.2 (Electrical Method) TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501070000.html29-03-2004 10:35:36...
  • Page 52: Manual Method

    5.1.7.1 (Manual Method) TOP PREVIOUS NEXT Turn the Main Cam Gear counterclockwise (for loading) or clockwise (for unloading) using needlenose pliers etc. Note: Do not use this method if Mechanism is jammed or locked. Fig. 5-1 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501070100.html29-03-2004 10:35:54...
  • Page 53 Do not forget to solder Portions "a" and "b" after loading/unloading operation is completed. When loading without a cassette , press Portion "a" on both sides of the Holder Unit of Cassette Up Ass'y so that the Levers clear the Tabs and Holes. Fig. 5-3 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501070200.html (1 of 2)29-03-2004 10:36:24...
  • Page 54 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501070200.html (2 of 2)29-03-2004 10:36:24...
  • Page 55 Wiper Arm Unit may be damaged or its spring may be out of place when the jammed tape is removed by force. Remove a jammed tape as follows: 5.1.8.1 Manual Method 5.1.8.1.1 Method -1: 5.1.8.1.2 Method -2: 5.1.8.1.3 Method -3: 5.1.8.2 Electrical Method 5.1.8.3 VCR Test Mode TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080000.html29-03-2004 10:38:02...
  • Page 56 TOP PREVIOUS NEXT When a tape jam is encountered, check the tape loading condition and use the following procedure to remove a tape jam. Fig. 6-1 5.1.8.1.1 Method -1: 5.1.8.1.2 Method -2: 5.1.8.1.3 Method -3: TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080100.html29-03-2004 10:38:23...
  • Page 57 Capstan Rotor Unit. Fig. 6-2 3. Remove the tape from the tape path. 4. Rewind the tape into the cassette by rotating the Center Clutch Unit counterclockwise. 5. Unhook Spring (A) of the Drive Rack Unit. http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080101.html (1 of 2)29-03-2004 10:38:46...
  • Page 58 Unit out far enough so that it clears the Drive Rack Arm, slide the Drive Rack Unit as indicated by the arrow to remove the cassette tape from the Cassette Up Ass'y. 8. Check the cause of mechanical trouble and repair. Fig. 6-3 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080101.html (2 of 2)29-03-2004 10:38:46...
  • Page 59 1. Rotate Main Cam Gear clockwise with needlenose pliers, etc. so that the Pinch Roller is separated from the shaft of the Capstan Rotor Unit. 2. Perform Step 3 through Step 8 of Method -1. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080102.html29-03-2004 10:39:04...
  • Page 60 After repairing mechanical trouble, make sure that all gear alignments are correct, especially the Wiper Arm Unit and Drive Rack Unit of Cassette Up Ass'y. (Refer to " EJECT Position Confirmation " of Mechanism Section in Disassembly/Assembly.) TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080103.html29-03-2004 10:43:41...
  • Page 61 Loading Motor Drive IC (IC 2501). Be sure to apply DC + to Portion "a" of Motor P.C.B. If DC + is applied to Portion "b", the Loading Motor Drive IC (IC2501) may be damaged. http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080200.html (1 of 2)29-03-2004 10:44:03...
  • Page 62 3. Rewind the tape into the cassette by turning the Center Clutch Unit counterclockwise. 4. Eject the cassette by applying +10.0VDC Power Supply again. 5. After completing the removal procedure, solder Portion "a" and Portion "b." TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080200.html (2 of 2)29-03-2004 10:44:03...
  • Page 63 5.1.8.3 VCR Test Mode TOP PREVIOUS NEXT High Voltage is inhibited by connecting Jumper J801 on the Main C.B.A., however, it is possible to check the VCR even when CRT C.B.A. and Anode Cap are removed. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501080300.html29-03-2004 10:45:04...
  • Page 64 5.1.9 WIRE AND LEAD POSITION DIAGRAM TOP PREVIOUS NEXT Fig. 8 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501090000.html (1 of 2)29-03-2004 10:45:31...
  • Page 65 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501090000.html (2 of 2)29-03-2004 10:45:31...
  • Page 66 TOP PREVIOUS NEXT To defeat the Auto Tracking Function, place the instrument in the STOP mode and place a jumper between TP6003 and TP6009 on the Main C.B.A. The tracking will be placed in the neutral position. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501100000.html29-03-2004 10:46:01...
  • Page 67 5.1.11 HOW TO SET TRACKING TO THE NEUTRAL POSITION TOP PREVIOUS NEXT Ejecting the cassette tape and then reinserting it will reset the tracking to the Neutral position. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501110000.html29-03-2004 10:46:25...
  • Page 68 5.1.12 CYLINDER ROTATION IN STOP MODE TOP PREVIOUS NEXT The cylinder will continue to rotate for approximately 5 minutes after the STOP button is pressed in Play mode etc. Eject the tape in order to stop the cylinder. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501120000.html29-03-2004 10:47:15...
  • Page 69 5.1.13 BLACK SCREWS ON THE CHASSIS TOP PREVIOUS NEXT Black Screws are used on the Mechanism Chassis to identify screws that require adjustment. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501130000.html29-03-2004 10:47:41...
  • Page 70 To reset (clear) the select language, channel auto set and set clock functions to their initial power on condition (power on, no cassette inserted), hold down the PLAY and FF buttons on the unit together for more than 5 seconds. Power will shut off. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501140000.html29-03-2004 10:49:05...
  • Page 71 1. Connect an RF cable from the output of one unit to the input of the test unit. 2. Select corresponding RF channels. 3. Playback a recording of P.B.S. channel including clock set data and confirm this feature. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501150000.html29-03-2004 10:49:19...
  • Page 72 Combination VCR from being damaged by accidental shorting that may occur during servicing. Also, when troubleshooting the above type of Power Supply Circuit, a variable isolation transformer is required in order to increase the input voltage slowly. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501160000.html29-03-2004 10:49:28...
  • Page 73: Special Note

    5.1.17 SPECIAL NOTE TOP PREVIOUS NEXT All integrated circuits and many other semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the "ELECTROSTATICALLY SENSITIVE (ES) DEVICES" section of this service manual. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501170000.html29-03-2004 10:49:35...
  • Page 74 Excessive mechanical stress and rubbing of the component electrode must be avoided. Removing the leadless component Grasp the leadless component body with tweezers and alternately apply heat to both electrodes. When the solder on both electrodes is melted, remove the leadless component with a twisting http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501180000.html (1 of 3)29-03-2004 10:50:00...
  • Page 75 1. Presolder the contact points on the circuit board. Fig. 9-2 2. Press the part downward with tweezers and solder both electrodes as shown below. Fig. 9-3 Note: Do not glue the replacement leadless component to the circuit board. http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501180000.html (2 of 3)29-03-2004 10:50:00...
  • Page 76 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501180000.html (3 of 3)29-03-2004 10:50:00...
  • Page 77 5.1.19 MODEL NO. IDENTIFICATION MARK TOP PREVIOUS NEXT Use Marks shown in the chart below to distinguish the different models included in this Service Manual. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0501190000.html29-03-2004 10:50:12...
  • Page 78: Ic, Transistor And Chip Part Information

    5.2 IC, TRANSISTOR AND CHIP PART INFORMATION TOP PREVIOUS NEXT 5.2.1 HOW TO READ THE IDENTIFICATION MARK OF CHIP COMPONENTS. 5.2.2 HOW TO READ THE VALUES OF THE CYLINDRICAL TYPE CHIP COMPONENTS. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0502000000.html29-03-2004 10:50:45...
  • Page 79 5.2.1 HOW TO READ THE IDENTIFICATION MARK OF CHIP COMPONENTS. TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0502010000.html29-03-2004 10:51:07...
  • Page 80 Be sure to confirm the value using the schematic diagram. CAUTION : Once chip parts are removed, they must not be reused. Always use a new part when installing a chip part. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0502020000.html29-03-2004 10:51:36...
  • Page 81: Disassembly/Assembly Procedures

    6.1.3.2.1 Install the VCR Unit as follows: 6.1.4 CRT Unit 6.1.4.1 Disassembly Procedure 6.1.4.2 Reassembly Notes 6.1.5 Top Shield Plate Ass'y 6.1.5.1 Disassembly Procedure 6.1.6 VCR Chassis Unit 6.1.6.1 Disassembly Procedure 6.1.6.2 Reassembly Notes 6.1.7 Main C.B.A. http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0600000000.html (1 of 4)29-03-2004 10:51:50...
  • Page 82 6.2.4.1 Disassembly Procedure 6.2.4.2 Reassembly Notes 6.2.5 Opener Piece, Pinch Arm Unit, Motor Block Ass'y, and Audio Control Head Unit 6.2.5.1 Disassembly Procedure 6.2.5.2 Reassembly Notes 6.2.6 Main Cam Gear and Drive Rack Arm 6.2.6.1 Disassembly Procedure http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0600000000.html (2 of 4)29-03-2004 10:51:50...
  • Page 83 6.2.11 S Brake Arm Unit, Main Lever Guide, Loading Post Base -S, and Loading Post Base -T Unit 6.2.11.1 Disassembly Procedure 6.2.11.2 Reassembly Notes 6.2.12 Capstan Rotor Unit, Capstan Holder Unit, and SS Brake Arm Unit 6.2.12.1 Disassembly Procedure 6.2.12.2 Reassembly Notes http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0600000000.html (3 of 4)29-03-2004 10:51:50...
  • Page 84 6.3 CASSETTE UP COMPARTMENT SECTION 6.3.1 Top Plate, Wiper Arm Unit, and Holder Unit 6.3.1.1 Disassembly Procedure 6.3.1.2 Reassembly Notes 6.3.2 Sensor Cover, Opener Lever, and Drive Rack Unit 6.3.2.1 Disassembly Procedure TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0600000000.html (4 of 4)29-03-2004 10:51:50...
  • Page 85 6.1.3.2.1 Install the VCR Unit as follows: 6.1.4 CRT Unit 6.1.4.1 Disassembly Procedure 6.1.4.2 Reassembly Notes 6.1.5 Top Shield Plate Ass'y 6.1.5.1 Disassembly Procedure 6.1.6 VCR Chassis Unit 6.1.6.1 Disassembly Procedure 6.1.6.2 Reassembly Notes 6.1.7 Main C.B.A. 6.1.7.1 Disassembly Procedure http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601000000.html (1 of 2)29-03-2004 10:52:02...
  • Page 86 6.1.7.2 Reassembly Notes 6.1.8 Cassette Up Ass'y 6.1.8.1 Disassembly Procedure 6.1.8.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601000000.html (2 of 2)29-03-2004 10:52:02...
  • Page 87: Disassembly Flowchart

    6.1.1 Disassembly Flowchart TOP PREVIOUS NEXT Perform all disassembly procedures in the order described in the "Disassembly Flowchart" shown below. When reassembling, use the reverse procedure. CAUTION: Disconnect AC plug before disassembly. Fig. D1 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601010000.html29-03-2004 10:52:15...
  • Page 88: Rear Cover

    6.1.2 Rear Cover TOP PREVIOUS NEXT 6.1.2.1 Disassembly Procedure TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601020000.html29-03-2004 10:52:28...
  • Page 89: Disassembly Procedure

    (Model: A, B, C, D, E, F) 1. Remove 6 Screws (A). Then, pull the Rear Cover away. Fig. D2-1 (Model: G, H, I) 1. Remove 6 Screws (A). Then, pull the Rear Cover away Fig. D2-2 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601020100.html (1 of 2)29-03-2004 10:52:46...
  • Page 90 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601020100.html (2 of 2)29-03-2004 10:52:46...
  • Page 91 6.1.3 VCR Unit TOP PREVIOUS NEXT 6.1.3.1 Disassembly Procedure 6.1.3.2 Reassembly Notes 6.1.3.2.1 Install the VCR Unit as follows: TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601030000.html29-03-2004 10:53:24...
  • Page 92 (Model: A, B, C, D, E, F, G, H) Disconnect the Connector P4591 on the Main C.B.A. (Model: I) Disconnect the Connector P4591 on the Main C.B.A. and remove the leads from the clamper. Fig. D3-1 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601030100.html (1 of 3)29-03-2004 10:54:07...
  • Page 93 7. Slide the VCR Unit out as far as it will go. Then, lift up the VCR Unit to release 2 Guide Tabs (A) and remove the VCR Unit all the way out from the TV cavity. Fig. D3-2 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601030100.html (2 of 3)29-03-2004 10:54:07...
  • Page 94 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601030100.html (3 of 3)29-03-2004 10:54:07...
  • Page 95: Reassembly Notes

    6.1.3.2 Reassembly Notes TOP PREVIOUS NEXT CAUTION: Opener Lever may be damaged when VCR Unit is installed, with Cassette Door-Lid and Opener Lever of Cassette Up Ass'y set incorrectly. 6.1.3.2.1 Install the VCR Unit as follows: TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601030200.html29-03-2004 10:54:44...
  • Page 96 6.2.4 Upper Cylinder Unit TOP PREVIOUS NEXT 6.2.4.1 Disassembly Procedure 6.2.4.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602040000.html29-03-2004 10:55:01...
  • Page 97 1. Remove 4 Screws with Washers (A). Then, pull out the CRT Unit. Note: Place the Unit face down on a soft cloth before removing the CRT Unit. Fig. D4-1 (Model: A, B, C, D, E, F) 2. Remove the Degaussing Coil. Fig. D4-2 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601040100.html (1 of 2)29-03-2004 10:58:01...
  • Page 98 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601040100.html (2 of 2)29-03-2004 10:58:01...
  • Page 99 6.1.4.2 Reassembly Notes TOP PREVIOUS NEXT 1. When installing Degaussing Coil, place it in the correct position. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601040200.html29-03-2004 10:58:22...
  • Page 100 6.1.5 Top Shield Plate Ass'y TOP PREVIOUS NEXT 6.1.5.1 Disassembly Procedure TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601050000.html29-03-2004 10:58:39...
  • Page 101 1. Remove 2 Screws (B), Screw (C), and Screw with Washer (B). 2. Release the 2 Clampers (B) on the Top Shield Plate Ass'y and remove the leads from the clamper. Then, Remove the Top Shield Plate Ass'y. Fig. D5 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601050100.html29-03-2004 11:00:58...
  • Page 102 6.1.6 VCR Chassis Unit TOP PREVIOUS NEXT 6.1.6.1 Disassembly Procedure 6.1.6.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601060000.html29-03-2004 11:01:17...
  • Page 103 3. Remove the AC Cord from the frame. 4. While releasing 6 Locking Tabs (A) and lift the VCR Chassis Unit out of the Frame. Note: Work carefully so as not to break tab. Fig. D6 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601060100.html (1 of 2)29-03-2004 11:01:42...
  • Page 104 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601060100.html (2 of 2)29-03-2004 11:01:42...
  • Page 105 Service Notes) to tighten screws. Then, slide it back to the EJECT Position. Make sure that Mechanism and Cassette Up Ass'y are in the EJECT Position. (Refer to " EJECT Position Confirmation " of Mechanism Section in Disassembly/Assembly Procedures.) TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601060200.html29-03-2004 11:02:09...
  • Page 106 6.1.7 Main C.B.A. TOP PREVIOUS NEXT 6.1.7.1 Disassembly Procedure 6.1.7.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601070000.html29-03-2004 11:02:29...
  • Page 107 2. Carefully lift the Mechanism Chassis and Cassette Up Ass'y straight out from the Main C.B.A. Note: Work carefully so as not to break Sensor LED when lifting the Mechanism Chassis and Cassette Up Ass'y. Fig. D7-1 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601070100.html29-03-2004 11:04:26...
  • Page 108 6.1.7.2 Reassembly Notes TOP PREVIOUS NEXT TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601070200.html29-03-2004 11:04:51...
  • Page 109 6.1.8 Cassette Up Ass'y TOP PREVIOUS NEXT 6.1.8.1 Disassembly Procedure 6.1.8.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601080000.html29-03-2004 11:06:34...
  • Page 110 Service Notes) to gain access to 2 Screws (G) for removal. 2. Remove Screw (H). 3. Unhook Spring (A). 4. Slide the Cassette Up Ass'y towards the front to release Locking Tab (B). Then, lift it up and remove. Fig. D8 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601080100.html29-03-2004 11:06:57...
  • Page 111 Be careful not to tighten screws too much, or the Cassette Up Ass'y may be bent outward. Then, slide it back to the EJECT Position. 2. Hook Spring (A) to the Drive Rack Arm on the Mechanism Chassis. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0601080200.html29-03-2004 11:07:19...
  • Page 112: Mechanism Section

    6.2.5 Opener Piece, Pinch Arm Unit, Motor Block Ass'y, and Audio Control Head Unit 6.2.5.1 Disassembly Procedure 6.2.5.2 Reassembly Notes 6.2.6 Main Cam Gear and Drive Rack Arm 6.2.6.1 Disassembly Procedure 6.2.6.2 Reassembly Notes 6.2.7 Main Lever 6.2.7.1 Disassembly Procedure 6.2.7.2 Reassembly Notes http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602000000.html (1 of 3)29-03-2004 11:07:46...
  • Page 113 6.2.12 Capstan Rotor Unit, Capstan Holder Unit, and SS Brake Arm Unit 6.2.12.1 Disassembly Procedure 6.2.12.2 Reassembly Notes 6.2.13 Junction C.B.A., Capstan Stator Unit, Sub Rotor, and PCB Holder 6.2.13.1 Disassembly Procedure 6.2.13.2 Reassembly Notes 6.2.14 T Loading Arm Unit and S Loading Arm Unit http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602000000.html (2 of 3)29-03-2004 11:07:46...
  • Page 114 6.2.14.2 Reassembly Notes 6.2.15 Center Clutch Unit, Changing Gear Spring, Changing Gear, Changing Lever-B, and Idler Arm Unit 6.2.15.1 Disassembly Procedure 6.2.15.2 Reassembly Notes 6.2.16 Loading Rack Unit 6.2.16.1 Disassembly Procedure 6.2.16.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602000000.html (3 of 3)29-03-2004 11:07:46...
  • Page 115: Disassembly Method

    6.2.1 Disassembly Method TOP PREVIOUS NEXT Fig. J1-1 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602010000.html (1 of 2)29-03-2004 11:08:12...
  • Page 116 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602010000.html (2 of 2)29-03-2004 11:08:12...
  • Page 117 6.2.2 EJECT Position Confirmation TOP PREVIOUS NEXT Fig. J1-2 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602020000.html (1 of 2)29-03-2004 11:09:48...
  • Page 118 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602020000.html (2 of 2)29-03-2004 11:09:48...
  • Page 119: Cylinder Unit

    6.2.3 Cylinder Unit TOP PREVIOUS NEXT 6.2.3.1 Disassembly Procedure 6.2.3.2 Reassembly Notes TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602030000.html29-03-2004 11:10:56...
  • Page 120 Use extreme care when removing or replacing the Cylinder Unit. Do not touch the Video Heads during servicing. CAUTION: When removing the Cylinder Unit, avoid touching IC2601 on the Head Amp C.B.A. because it is during operation. Fig. J2-1 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602030100.html (1 of 2)29-03-2004 11:11:14...
  • Page 121 TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602030100.html (2 of 2)29-03-2004 11:11:14...
  • Page 122 1.0 mm measured from the center of the Cylinder shaft. If required, adjust the plate position by loosening Black Screw (A). Never install the Grounding Plate Unit on the left side of the Cylinder shaft. Incorrect positioning will cause cylinder buzz. Fig. J2-2 http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602030200.html (1 of 2)29-03-2004 11:11:54...
  • Page 123 3. After installing, perform the " TAPE INTERCHANGEABILITY ADJUSTMENT (FINAL ADJUSTMENT) " procedures. TOP PREVIOUS NEXT http://www.csweb.panasonic-la.com:81/viewing/NA/PV-M1349/SVC/s0602030200.html (2 of 2)29-03-2004 11:11:54...

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