Panasonic DVD-KA84GA, Service Manual

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1 Important Service Information 5
1.1. Notes 5
1.2. About DivX 5
1.3. Manual for Customer 6
2 SAFETY PRECAUTIONS 7
2.1. GENERAL GUIDELINES 7
3 PREVENTION OF ELECTRO STATIC DISCHARGE (ESD) TO
ELECTROSTATICALLY SENSITIVE (ES) DEVICES 7
4 PRECAUTION OF LASER DIODE 8
5 HOW TO REPLACE THE LITHIUM BATTERY 9
6 Service caution based on legal restrictions 10
6.1. General description about Lead Free Solder (PbF) 10
7 HANDLING PRECAUTIONS FOR TRAVERSE DECK 11
7.1. Handling of optical pickup 11
7.2. Grounding for electrostatic breakdown prevention 11
8 DISASSEMBLY, REASSEMBLY AND SERVICE POSITION 12
8.1. Disassembly 13
8.2. P.C.B. location 14
8.3. Main cabinet of the unit 14
8.4. Traverse assembly 15
8.5. Optical pick-up unit 16
8.6. Disc motor 16
8.7. Main P.C.B. 17
8.8. Operation P.C.B. and Karaoke P.C.B 17
8.9. Monitor assembly 17
8.10. Disc cover 18
8.11. Monitor cover 18
8.12. Mono arm 19
8.13. Inverter P.C.B. 20
8.14. LCD panel 20
8.15. Replacing the fuse in the car dc adaptor 20
8.16. Service position 21
9 SELF-DIAGNOSIS FUNCTION AND SERVICE MODE 22
9.1. Optical Pickup Breakdown Diagnosis 22
9.2. UHF displays 23
9.3. Service Mode Table 1 24
9.4. DVD Self Diagnostic Function-Error Code 24
9.5. Last Error Code saved during NO PLAY 25
9.6. Service mode table 26
9.7. Lens cleaning 26
10 SERVICE PRECAUTIONS 27
10.1. Recovery after the dvd player is repaired 27
10.2. Firmware version-up of the DVD player 27
11 ADJUSTMENT PROCEDURES 28
11.1. Service Tools and Equipment 28
11.2. Important points in adjustment 28
11.3. Storing and Handling Test Discs 28
11.4. Optical adjustment 28
11.5. Electrical adjustment (LCD) 31
11.6. Electrical check (Video output check) 31
12 Abbreviations 32
13 VOLTAGE CHART 34
13.1. MAIN P.C.B. 34
14 BLOCK DIAGRAM 37
14.1. OVERALL BLOCK DIAGRAM 37
14.2. POWER SUPPLY BLOCK DIAGRAM 38
14.3. SERVO BLOCK DIAGRAM 39
14.4. AUDIO BLOCK DIAGRAM 40
14.5. VIDEO BLOCK DIAGRAM 42
15 INTERCONNECTION SCHEMATIC DIAGRAM & SCHEMATIC
DIAGRAM NOTES 43
15.1. INTERCONNECTION SCHEMATIC DIAGRAM 43
15.2. SCHEMATIC DIAGRAM NOTES 44
16 SCHEMATIC DIAGRAM 45
16.1. CHARGE BATTERY SECTION (MAIN P.C.B. (1/12))
SCHEMATIC DIAGRAM 45
16.2. POWER SUPPLY SECTION (MAIN P.C.B. (2/12))
SCHEMATIC DIAGRAM 46
16.3. OPTICAL PICK UP/SERVO SECTION (MAIN P.C.B.
(3/12)) SCHEMATIC DIAGRAM 47
16.4. DV5 SECTION (MAIN P.C.B. (4/12)) SCHEMATIC
DIAGRAM 48
16.5. DV5 SECTION (MAIN P.C.B. (5/12)) SCHEMATIC
DIAGRAM 49
16.6. VIDEO OUT SECTION (MAIN P.C.B. (6/12)) SCHEMATIC
DIAGRAM 50
16.7. AUDIO OUT SECTION (MAIN P.C.B. (7/12)) SCHEMATIC
DIAGRAM 51
16.8. OPERATION SECTION (MAIN P.C.B. (8/12))
SCHEMATIC DIAGRAM 52
16.9. LCD IF SECTION (MAIN P.C.B. (9/12)) SCHEMATIC
DIAGRAM 53
16.10. CN SECTION (MAIN P.C.B. (10/12)) SCHEMATIC
DIAGRAM 54
16.11. FMT SECTION (MAIN P.C.B. (11/12)) SCHEMATIC
DIAGRAM 55
16.12. KARAOKE SECTION (MAIN P.C.B. (12/12)) SCHEMATIC
DIAGRAM 56
16.13. OPERATION SECTION (OPERATION P.C.B.)
SCHEMATIC DIAGRAM 57
17 CIRCUIT BOARD ASSEMBLY 59
17.1. MAIN P.C.B. (1/2) (COMPONENT SIDE) 59
CONTENTS
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DVD-KA84GA / DVD-KA84PU