Table of Contents
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CONTENTS
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SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 6
1.1 NOTES ON SOLDERING ............................................................................................................................................... 6
1.2 CAUTION........................................................................................................................................................................ 6
1.3 WHEN REPLACING DVD MECHA ASSY ...................................................................................................................... 7
1.4 DISC REMOVAL METHOD AT NO POWER SUPPLY.................................................................................................... 7
2. SPECIFICATIONS................................................................................................................................................................. 8
2.1 SPECIFICATIONS, DISC/CONTENT FORMAT and ACCESORRIES............................................................................ 8
2.2 PANEL FACILITIES....................................................................................................................................................... 10
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................ 15
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 15
3.2 PCB LOCATIONS ......................................................................................................................................................... 16
3.3 JIGS LIST ..................................................................................................................................................................... 17
4. BLOCK DIAGRAM .............................................................................................................................................................. 18
4.1 OVERALL CONNECTION DIAGRAM........................................................................................................................... 18
4.2 OVERALL BLOCK DIAGRAM....................................................................................................................................... 20
4.3 DVD LOADER/DECODER BLOCK DIAGRAM ............................................................................................................. 22
5. DIAGNOSIS ........................................................................................................................................................................ 23
5.1 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP........................................................ 23
5.2 DVD TROUBLE SHOOTING ........................................................................................................................................ 24
5.3 CIRCUIT DESCRIPTION OF DIGITAL AMP SECTION ............................................................................................... 26
5.4 SPECIFICATIONS OF PROTECTION CIRCUITS FOR DIGITAL AMP SECTION ....................................................... 27
5.5 USB/iPod TROUBLESHOOTING ................................................................................................................................. 28
5.6 ERROR AND WARNING MESSAGE ........................................................................................................................... 32
6. SERVICE MODE ................................................................................................................................................................. 35
6.1 TEST MODE................................................................................................................................................................. 35
6.2 DISPLAY SPECIFICATION OF THE TEST MODE....................................................................................................... 36
6.3 FUNCTIONAL SPECIFICATION OF THE SHORTCUT KEY ....................................................................................... 37
6.4 SPECIFICATION OF MODEL INFORMATION DISPLAY ............................................................................................. 38
6.5 FUNCTIONAL SPECIFICATION OF THE SERVICE MODE ........................................................................................ 39
6.6 SERVICE TEST MODE ................................................................................................................................................ 40
6.7 DISPLAY SPECIFICATIONS OF DSP ERROR ............................................................................................................ 43
7. DISASSEMBLY ................................................................................................................................................................... 44
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 55
8.1 ID NUMBER AND ID DATA SETTING .......................................................................................................................... 55
8.2 HOW TO CONFIRM THE VERSION OF THE FIRMWARE ......................................................................................... 58
8.3 HOW TO UPDATE THE FIRMWARE............................................................................................................................ 59
8.4 HOW TO UPDATE THE DSP FLASH ROM BY PLAYING BACK A CD ....................................................................... 61
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 64
9.1 PACKING SECTION ..................................................................................................................................................... 64
9.2 EXTERIOR SECTION .................................................................................................................................................. 66
9.3 CHASSIS SECTION ..................................................................................................................................................... 68
9.4 DVD MECHA ASSY...................................................................................................................................................... 70
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 72
10.1 4IN1 MOD ASSY (1/6)................................................................................................................................................ 72
10.2 4IN1 MOD ASSY (2/6)................................................................................................................................................ 74
10.3 4IN1 MOD ASSY (3/6)................................................................................................................................................ 76
10.4 4IN1 MOD ASSY (4/6)................................................................................................................................................ 78
10.5 4IN1 MOD ASSY (5/6)................................................................................................................................................ 80
10.6 4IN1 MOD ASSY (6/6)................................................................................................................................................ 82
10.7 AHTS KU SYSMAIN ASSY (1/5) ................................................................................................................................ 84
10.8 AHTS KU SYSMAIN ASSY (2/5) ................................................................................................................................ 86
10.9 AHTS KU SYSMAIN ASSY (3/5) ................................................................................................................................ 88
10.10 AHTS KU SYSMAIN ASSY (4/5) .............................................................................................................................. 90
10.11 AHTS KU SYSMAIN (5/5) and AHTS OPT IN ASSYS ............................................................................................. 92
10.12 AHTS-HTP AMP ASSY (1/2) .................................................................................................................................... 94
10.13 AHTS-HTP AMP ASSY (2/2) .................................................................................................................................... 96
10.14 AHTS DISPLAY, AHTS MOTION SENSOR and AHTS LED ASSYS ....................................................................... 98
10.15 AHTS TOUCH SENSOR ASSY.............................................................................................................................. 100
10.16 AHTS COMPONENT ASSY ................................................................................................................................... 102
10.17 POWER SUPPLY UNIT .......................................................................................................................................... 103
10.18 WAVEFORMS......................................................................................................................................................... 104
11. PCB CONNECTION DIAGRAM ...................................................................................................................................... 106
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11.1 4IN1 MOD ASSY ...................................................................................................................................................... 106
11.2 SYSMAIN and AHTS OPT IN ASSYS ...................................................................................................................... 110
11.3 AHTS-HTP AMP ASSY ............................................................................................................................................ 114
11.4 AHTS DISPLAY, MOTION SENSOR, LED and COMPONENT ASSYS ................................................................... 116
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11.5 POWER SUPPLY UNIT ............................................................................................................................................ 120
11.6 AHTS TOUCH SENSOR ASSY................................................................................................................................ 122
12. PCB PARTS LIST............................................................................................................................................................ 123
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Table of Contents
Troubleshooting
