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3.20 AV BOARD (6/8) and SW ASSYS.......................................................................................................... 58
3.21 AV BOARD ASSY (7/8).......................................................................................................................... 60
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3.22 AV BOARD (8/8) and SR ASSYS .......................................................................................................... 62
3.23 MDR ASSY ............................................................................................................................................ 64
3.24 FRONT ASSY ........................................................................................................................................ 66
A
3.25 LED ASSY ............................................................................................................................................. 68
3.26 TUNER BOARD ASSY (1/14) ................................................................................................................ 70
3.27 TUNER BOARD ASSY (2/14) ................................................................................................................ 74
3.28 TUNER BOARD ASSY (3/14) ................................................................................................................ 76
3.29 TUNER BOARD ASSY (4/14) ................................................................................................................ 78
3.30 TUNER BOARD ASSY (5/14) ................................................................................................................ 82
3.31 TUNER BOARD ASSY (6/14) ................................................................................................................ 86
3.32 TUNER BOARD ASSY (7/14) ................................................................................................................ 90
3.33 TUNER BOARD ASSY (8/14) ................................................................................................................ 92
3.34 TUNER BOARD ASSY (9/14) ................................................................................................................ 94
3.35 TUNER BOARD ASSY (10/14) .............................................................................................................. 98
B
3.36 TUNER BOARD ASSY (11/14) ............................................................................................................ 102
3.37 TUNER BOARD ASSY (12/14) ............................................................................................................ 104
3.38 TUNER BOARD ASSY (13/14) ............................................................................................................ 108
3.39 TUNER BOARD ASSY (14/14) ............................................................................................................ 110
3.40 POWER SUPPLY UNIT........................................................................................................................ 112
3.41 WAVEFORMS ...................................................................................................................................... 114
3.42 VOLTAGES ........................................................................................................................................... 115
4. PCB CONNECTION DIAGRAM ................................................................................................................... 119
4.1 SW and MDR ASSYS ............................................................................................................................ 119
4.2 MR MAIN BOARD ASSY ....................................................................................................................... 120
4.3 AV BOARD and SR ASSY ..................................................................................................................... 124
4.4 FRONT and LED ASSY ......................................................................................................................... 128
C
4.5 TUNER BOARD ASSY........................................................................................................................... 130
4.6 POWER SUPPLY UNIT.......................................................................................................................... 134
5. PCB PARTS LIST ......................................................................................................................................... 136
6. ADJUSTMENT ............................................................................................................................................. 148
6.1 HOW TO ENTER SERVICE FACTORY MODE...................................................................................... 148
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6.2 POSSIBLE CASES WHERE READJUSTMENT IS REQUIRED ........................................................... 148
6.3 USING RS-232C COMMANDS.............................................................................................................. 149
6.4 ADJUSTMENT ITEMS ........................................................................................................................... 150
6.5 TRAP SWITCH ...................................................................................................................................... 154
6.6 SERVICING USING ONLY THE MEDIA RECEIVER ............................................................................. 155
6.7 SERVICE FACTORY MODE .................................................................................................................. 156
6.8 LIST OF RS-232C COMMANDS ........................................................................................................... 170
D
6.9 OUTLINE OF COMMANDS ................................................................................................................... 173
7. GENERAL INFORMATION ........................................................................................................................... 178
7.1 DIAGNOSIS ........................................................................................................................................... 178
7.1.1 TROUBLESHOOTING ..................................................................................................................... 178
7.1.2 DISASSEMBLY................................................................................................................................ 188
7.2 EXPLANATION ...................................................................................................................................... 191
7.2.1 PROCESSING IN ABNORMALITY ................................................................................................. 191
7.2.2 SEQUENCE..................................................................................................................................... 195
7.3 PARTS.................................................................................................................................................... 196
7.3.1 IC ..................................................................................................................................................... 196
7.4 CLEANING............................................................................................................................................. 218
8. PANEL FACILITIES ...................................................................................................................................... 219
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