Panasonic DVD-LV75 Service Manual

Also see for DVD-PV55: Operating instructions Operating instructions Operating instructions

Contents

1 SAFETY PRECAUTIONS 51.1. GENERAL GUIDELINES 52 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TOELECTROSTATICALLY SENSITIVE (ES) DEVICES 53 PRECAUTION OF LASER DIODE 64 HANDLING PRECAUTIONS FOR TRAVERSE DECK 64.1. Handling of optical pickup 64.2. Grounding for electrostatic breakdown prevention 65 Handling Precautions 75.1. The input/output selector button (DVD-LV75 only) 75.2. The ON/OFF, HOLD switch 76 Self-diagnosis function and service mode 86.1. Initializing the DVD player 86.2. Lens cleaning 86.3. Mode chart 86.4. UHF displays 86.5. Repairs using the error codes 97 Diagnosing problems with the optical pick-up and repairprocedure 108 General Description 118.1. Operating Instructions 119 Taking apart and putting together the unit 139.1. Servicing flow 139.2. Lubrication Information 149.3. Caulking the navigator buttons 159.4. Disassembling and reassembling exterior parts and theprint board 169.5. Disassembling and reassembling the LCD display (DVD-LV75 only) 179.6. Disassembling and reassembling the traverse 2010 Check hints 2210.1. Board checks 2211 Adjustments 2311.1. Equipment needed for adjustments 2311.2. Items for adjustment 2311.3. Storage and maintenance of the test discs 2311.4. Optical adjustments 2411.5. Electrical adjustment (LCD display) 2511.6. Electrical adjustment (video output adjustment) 2612 Abbreviations 2713 VOLTAGE CHART 2913.1. CHARGE BATTERY C.B.A. 2913.2. MAIN C.B.A. 2913.3. LCD DRIVE C.B.A. 3414 BLOCK DIAGRAM 3514.1. OVERALL BLOCK DIAGRAM 3514.2. POWER SUPPLY BLOCK DIAGRAM 3614.3. SERVO BLOCK DIAGRAM 3714.4. AUDIO/VIDEO INPUT/OUTPUT BLOCK DIAGRAM 3814.5. LCD DRIVE BLOCK DIAGRAM (LV75 only) 3915 SCHEMATIC DIAGRAM 4115.1. INTERCONNECTION SCHEMATIC DIAGRAM 4115.2. BATTERY CHARGE AND DC-IN SCHEMATIC DIAGRAM4215.3. POWER SUPPLY SECTION (MAIN C.B.A. (1/11))SCHEMATIC DIAGRAM 4315.4. ADSC SECTION (MAIN C.B.A. (2/11)) SCHEMATICDIAGRAM 4415.5. SERVO SECTION (MAIN C.B.A. (3/11)) SCHEMATICDIAGRAM 4515.6. AV DECORDER SECTION (MAIN C.B.A. (4/11))SCHEMATIC DIAGRAM 4615.7. FEP SECTION (MAIN C.B.A. (5/11)) SCHEMATICDIAGRAM 4715.8. CPU SECTION (MAIN C.B.A. (6/11)) SCHEMATICDIAGRAM 4815.9. CLOCK SECTION (MAIN C.B.A. (7/11)) SCHEMATICDIAGRAM 4915.10. ODC SECTION (MAIN C.B.A. (8/11)) SCHEMATICDIAGRAM 5015.11. AUDIO INPUT/OUTPUT SECTION (MAIN C.B.A. (9/11))SCHEMATIC DIAGRAM 5115.12. VIDEO INPUT/OUTPUT SECTION (MAIN C.B.A. (10/11))SCHEMATIC DIAGRAM 5215.13. OPERATION SECTION (MAIN C.B.A. (11/11))SCHEMATIC DIAGRAM 5315.14. LCD DRIVE SCHEMATIC DIAGRAM (LV75 only) 5416 CIRCUIT BOARD ASSEMBLY 5516.1. BATTERY CHARGE C.B.A. AND DC-IN C.B.A. 5516.2. MAIN C.B.A. (1/2) (COMPONENT SIDE) 5616.3. MAIN C.B.A. (2/2) (FOIL SIDE) 5716.4. LCD DRIVE C.B.A. (LV75 only) 5817 EXPLODED VIEWS 5917.1. Casing Parts & Mechanism Section Exploded View (DVD-LV75EB-S/LV75EC-S) 5917.2. Casing Parts & Mechanism Section Exploded View (DVD-PV55EB-S/PV55EC-S) 6017.3. Traverse Section Exploded View 6117.4. Packing & Accessories Section Exploded View (DVD-LV75EB-S/LV75EC-S) 6217.5. Packing & Accessories Section Exploded View (DVD-PV55EB-S/PV55EC-S) 63CONTENTS Page Page3DVD-LV75 / DVD-PV55