Table Of Contents - Panasonic DVD-LV75 Service Manual

CONTENTS
1 SAFETY PRECAUTIONS
1.1. GENERAL GUIDELINES
2 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES
3 PRECAUTION OF LASER DIODE
4 HANDLING PRECAUTIONS FOR TRAVERSE DECK
4.1. Handling of optical pickup
4.2. Grounding for electrostatic breakdown prevention
5 Handling Precautions
5.1. The input/output selector button (DVD-LV75 only)
5.2. The ON/OFF, HOLD switch
6 Self-diagnosis function and service mode
6.1. Initializing the DVD player
6.2. Lens cleaning
6.3. Mode chart
6.4. UHF displays
6.5. Repairs using the error codes
7 Diagnosing problems with the optical pick-up and repair
procedure
8 General Description
8.1. Operating Instructions
9 Taking apart and putting together the unit
9.1. Servicing flow
9.2. Lubrication Information
9.3. Caulking the navigator buttons
9.4. Disassembling and reassembling exterior parts and the
print board
9.5. Disassembling and reassembling the LCD display (DVD-
LV75 only)
9.6. Disassembling and reassembling the traverse
10 Check hints
10.1. Board checks
11 Adjustments
11.1. Equipment needed for adjustments
11.2. Items for adjustment
11.3. Storage and maintenance of the test discs
11.4. Optical adjustments
11.5. Electrical adjustment (LCD display)
11.6. Electrical adjustment (video output adjustment)
12 Abbreviations
13 VOLTAGE CHART
13.1. CHARGE BATTERY C.B.A.
13.2. MAIN C.B.A.
13.3. LCD DRIVE C.B.A.
14 BLOCK DIAGRAM
14.1. OVERALL BLOCK DIAGRAM
Page
5 14.2. POWER SUPPLY BLOCK DIAGRAM
5 14.3. SERVO BLOCK DIAGRAM
14.4. AUDIO/VIDEO INPUT/OUTPUT BLOCK DIAGRAM
5 14.5. LCD DRIVE BLOCK DIAGRAM (LV75 only)
6 15 SCHEMATIC DIAGRAM
6 15.1. INTERCONNECTION SCHEMATIC DIAGRAM
6 15.2. BATTERY CHARGE AND DC-IN SCHEMATIC DIAGRAM
6
7 15.3. POWER SUPPLY SECTION (MAIN C.B.A. (1/11))
7 SCHEMATIC DIAGRAM
7 15.4. ADSC SECTION (MAIN C.B.A. (2/11)) SCHEMATIC
8 DIAGRAM
8 15.5. SERVO SECTION (MAIN C.B.A. (3/11)) SCHEMATIC
8 DIAGRAM
8 15.6. AV DECORDER SECTION (MAIN C.B.A. (4/11))
8 SCHEMATIC DIAGRAM
9 15.7. FEP SECTION (MAIN C.B.A. (5/11)) SCHEMATIC
DIAGRAM
10 15.8. CPU SECTION (MAIN C.B.A. (6/11)) SCHEMATIC
11 DIAGRAM
11 15.9. CLOCK SECTION (MAIN C.B.A. (7/11)) SCHEMATIC
13 DIAGRAM
13 15.10. ODC SECTION (MAIN C.B.A. (8/11)) SCHEMATIC
14 DIAGRAM
15 15.11. AUDIO INPUT/OUTPUT SECTION (MAIN C.B.A. (9/11))
SCHEMATIC DIAGRAM
16 15.12. VIDEO INPUT/OUTPUT SECTION (MAIN C.B.A. (10/11))
SCHEMATIC DIAGRAM
17 15.13. OPERATION SECTION (MAIN C.B.A. (11/11))
20 SCHEMATIC DIAGRAM
22 15.14. LCD DRIVE SCHEMATIC DIAGRAM (LV75 only)
22 16 CIRCUIT BOARD ASSEMBLY
23
16.1. BATTERY CHARGE C.B.A. AND DC-IN C.B.A.
23 16.2. MAIN C.B.A. (1/2) (COMPONENT SIDE)
23 16.3. MAIN C.B.A. (2/2) (FOIL SIDE)
23 16.4. LCD DRIVE C.B.A. (LV75 only)
24 17 EXPLODED VIEWS
25 17.1. Casing Parts & Mechanism Section Exploded View (DVD-
26 LV75EB-S/LV75EC-S)
27 17.2. Casing Parts & Mechanism Section Exploded View (DVD-
29 PV55EB-S/PV55EC-S)
29 17.3. Traverse Section Exploded View
29 17.4. Packing & Accessories Section Exploded View (DVD-
34 LV75EB-S/LV75EC-S)
35 17.5. Packing & Accessories Section Exploded View (DVD-
35 PV55EB-S/PV55EC-S)
3
DVD-LV75 / DVD-PV55
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