PDP-R04U
4
1234
123
4
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT SECTION.................................................................................................................................... 12
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................14
3.1 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ................................................................................... 14
3.1.1 MR MAIN BOARD ............................................................................................................................. 14
3.1.2 AV BOARD ASSY.............................................................................................................................. 16
3.1.3 POWER SUPPLY UNIT ..................................................................................................................... 18
3.1.4 DTV TUNER BOARD......................................................................................................................... 19
3.2 OVERALL WIRING DIAGRAM................................................................................................................. 22
3.3 MR MAIN BOARD ASSY (1/13)............................................................................................................... 24
3.4 MR MAIN BOARD ASSY (2/13)............................................................................................................... 26
3.5 MR MAIN BOARD ASSY (3/13)............................................................................................................... 28
3.6 MR MAIN BOARD ASSY (4/13)............................................................................................................... 30
3.7 MR MAIN BOARD ASSY (5/13)............................................................................................................... 32
3.8 MR MAIN BOARD ASSY (6/13)............................................................................................................... 34
3.9 MR MAIN BOARD ASSY (7/13)............................................................................................................... 36
3.10 MR MAIN BOARD ASSY (8/13)............................................................................................................. 38
3.11 MR MAIN BOARD ASSY (9/13)............................................................................................................. 40
3.12 MR MAIN BOARD ASSY (10/13)........................................................................................................... 42
3.13 MR MAIN BOARD ASSY (11/13)........................................................................................................... 44
3.14 MR MAIN BOARD ASSY (12/13)........................................................................................................... 46
3.15 MR MAIN BOARD ASSY (13/13)........................................................................................................... 48
3.16 AV BOARD ASSY (1/7).......................................................................................................................... 50
3.17 AV BOARD ASSY (2/7).......................................................................................................................... 52
3.18 AV BOARD ASSY (3/7).......................................................................................................................... 54
3.19 AV BOARD ASSY (4/7).......................................................................................................................... 56
3.20 AV BOARD ASSY (5/7).......................................................................................................................... 58
3.21 AV BOARD ASSY (6/7).......................................................................................................................... 60
3.22 AV BOARD ASSY (7/7).......................................................................................................................... 62
3.23 BRIDGE ASSY....................................................................................................................................... 64
3.24 MDR ASSY ............................................................................................................................................ 66
3.25 SR ASSY ............................................................................................................................................... 68
3.26 FRONT ASSY (1/2)................................................................................................................................ 70
3.27 FRONT ASSY (2/2)................................................................................................................................ 72
3.28 LED ASSY ............................................................................................................................................. 73
3.29 AC SW ASSY and POWER SUPPLY UNIT ...........................................................................................74
3.30 WAVEFORMS ........................................................................................................................................ 76
3.31 VOLTAGES ............................................................................................................................................. 77
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 81
4.1 AC SW and MDR ASSYS ........................................................................................................................ 81
4.2 MR MAIN BOARD ASSY ......................................................................................................................... 82
4.3 AV BOARD and SR ASSYS..................................................................................................................... 86
4.4 BRIDGE and MDR ASSYS ...................................................................................................................... 90
4.5 FRONT and LED ASSY ........................................................................................................................... 92
5. PCB PARTS LIST ........................................................................................................................................... 94
6. ADJUSTMENT ............................................................................................................................................. 102
6.1 HOW TO ENTER SERVICE FACTORY MODE...................................................................................... 102
6.2 POSSIBLE CASES WHERE READJUSTMENT IS REQUIRED ........................................................... 102
6.3 USING RS-232C COMMANDS.............................................................................................................. 103
6.4 ADJUSTMENT ITEMS ........................................................................................................................... 104
6.5 TRAP SWITCH ...................................................................................................................................... 108
6.6 SERVICING USING ONLY THE MEDIA RECEIVER ............................................................................. 109
6.7 SERVICE FACTORY MODE .................................................................................................................. 110
6.8 LIST OF RS-232C COMMANDS ........................................................................................................... 124
6.9 OUTLINE OF COMMANDS ................................................................................................................... 127
7. GENERAL INFORMATION ........................................................................................................................... 132
7.1 DIAGNOSIS ........................................................................................................................................... 132
7.1.1 TROUBLE SHOOTING .................................................................................................................... 132
7.1.2 DISASSEMBLY................................................................................................................................ 142
7.2 EXPLANATION ...................................................................................................................................... 145
7.2.1 PROCESSING IN ABNORMALITY ................................................................................................. 145
7.3 PARTS.................................................................................................................................................... 149
7.3.1 IC ..................................................................................................................................................... 149
7.4 CLEANING............................................................................................................................................. 171
8. PANEL FACILITIES ...................................................................................................................................... 172