Panasonic DVD-LS91PP, Service Manual

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1 SAFETY PRECAUTIONS 5
1.1. GENERAL GUIDELINES 5
2 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES 5
3 PRECAUTION OF LASER DIODE 6
4 HOW TO REPLACE THE LITHIUM BATTERY 7
5 LITHIUM ION BATTERY 7
6 Service caution based on legal restrictions 8
6.1. General description about Lead Free Solder (PbF) 8
7 HANDLING PRECAUTIONS FOR TRAVERSE DECK 9
7.1. Handling of optical pickup 9
7.2. Grounding for electrostatic breakdown prevention 9
8 DISASSEMBLY, REASSEMBLY AND SERVICE POSITION 10
8.1. Disassembly 11
8.2. P.C.B. location 12
8.3. Main cabinet of the unit 12
8.4. Traverse assembly 13
8.5. Optical pick-up unit 14
8.6. Disc motor 14
8.7. Main P.C.B. 15
8.8. Operation P.C.B. 15
8.9. Monitor assembly 15
8.10. Disc cover 16
8.11. Monitor cover 16
8.12. Mono arm 17
8.13. Inverter P.C.B. 18
8.14. LCD panel 18
8.15. Replacing the fuse in the car dc adaptor 18
8.16. Service position 19
9 SELF-DIAGNOSIS FUNCTION AND SERVICE MODE 20
9.1. Optical Pickup Breakdown Diagnosis 20
9.2. UHF displays 21
9.3. Service Mode Table 1 22
9.4. DVD Self Diagnostic Function-Error Code 22
9.5. Last Error Code saved during NO PLAY 26
9.6. Service mode table 26
9.7. Lens cleaning 29
10 SERVICE PRECAUTIONS 30
10.1. Recovery after the dvd player is repaired 30
10.2. Firmware version-up of the DVD player 30
11 ADJUSTMENT PROCEDURES 31
11.1. Service Tools and Equipment 31
11.2. Important points in adjustment 31
11.3. Storing and Handling Test Discs 31
11.4. Optical adjustment 32
11.5. Electrical adjustment (LCD) 34
11.6. Electrical check (Video output check) 35
12 Abbreviations 36
13 VOLTAGE CHART 38
13.1. MAIN P.C.B. 38
13.2. INVERTER P.C.B. 41
14 BLOCK DIAGRAM 43
14.1. OVERALL BLOCK DIAGRAM 43
14.2. POWER SUPPLY BLOCK DIAGRAM 44
14.3. SERVO BLOCK DIAGRAM 45
14.4. AUDIO BLOCK DIAGRAM 46
14.5. VIDEO BLOCK DIAGRAM 47
15 INTERCONNECTION SCHEMATIC DIAGRAM & SCHEMATIC
DIAGRAM NOTES 49
15.1. INTERCONNECTION SCHEMATIC DIAGRAM 49
15.2. SCHEMATIC DIAGRAM NOTES 50
16 SCHEMATIC DIAGRAM 51
16.1. CHARGE BATTERY SECTION (MAIN P.C.B. (1/10))
SCHEMATIC DIAGRAM 51
16.2. POWER SUPPLY SECTION (MAIN P.C.B. (2/10))
SCHEMATIC DIAGRAM 52
16.3. SERVO SECTION (MAIN P.C.B. (3/10)) SCHEMATIC
DIAGRAM 53
16.4. OPTICAL PICK UP SECTION (MAIN P.C.B. (4/10))
SCHEMATIC DIAGRAM 54
16.5. DV3 SECTION (MAIN P.C.B. (5/10)) SCHEMATIC
DIAGRAM 55
16.6. VIDEO OUT SECTION (MAIN P.C.B. (6/10)) SCHEMATIC
DIAGRAM 56
16.7. AUDIO OUT SECTION (MAIN P.C.B. (7/10)) SCHEMATIC
DIAGRAM 57
16.8. OPERATION SECTION (MAIN P.C.B. (8/10))
SCHEMATIC DIAGRAM 58
16.9. LCD IF SECTION (MAIN P.C.B. (9/10)) SCHEMATIC
DIAGRAM 59
16.10. XBS SECTION (MAIN P.C.B. (10/10)) SCHEMATIC
DIAGRAM 60
16.11. OPERATION SECTION (OPERATION P.C.B.)
SCHEMATIC DIAGRAM 61
16.12. INVERTER SECTION SCHEMATIC DIAGARAM 62
17 CIRCUIT BOARD ASSEMBLY 63
17.1. MAIN P.C.B. (1/2) (COMPONENT SIDE) 63
17.2. MAIN P.C.B. (2/2) (FOIL SIDE) 64
17.3. OPERATION & INVERTER P.C.B. 65
18 EXPLODED VIEWS 67
18.1. Casing Parts & Mechanism Section Exploded View 67
18.2. Mechanism Section Exploded View 68
CONTENTS
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DVD-LS91PP