PDP-5050SX
7
5
6
7
8
5
6
7
8
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION......................................................................................................................................2
1. SPECIFICATIONS .............................................................................................................................................8
2. EXPLODED VIEWS AND PARTS LIST...........................................................................................................10
2.1 PDP-5050SX ............................................................................................................................................10
2.1.1 PACKING SECTION...........................................................................................................................10
2.1.2 EXTERIOR SECTION ........................................................................................................................12
2.1.3 FRONT SECTION ..............................................................................................................................14
2.1.4 CHASSIS SECTION (1/3) ..................................................................................................................16
2.1.5 CHASSIS SECTION (2/3) ..................................................................................................................18
2.1.6 CHASSIS SECTION (3/3) ..................................................................................................................20
2.1.7 MULTI BASE ASSY (PDP-5050SX and PDP-4350SX)......................................................................22
2.2 PDP-4350SX ............................................................................................................................................26
2.2.1 PACKING SECTION...........................................................................................................................26
2.2.2 EXTERIOR SECTION ........................................................................................................................28
2.2.3 FRONT SECTION ..............................................................................................................................30
2.2.4 CHASSIS SECTION (1/3) ..................................................................................................................32
2.2.5 CHASSIS SECTION (2/3) ..................................................................................................................34
2.2.6 CHASSIS SECTION (3/3) ..................................................................................................................36
2.2.7 PDP SERVICE ASSY (4350) : (AWU1126) ........................................................................................38
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM (Refer to “Service Manual: ARP3262) ..............................40
3.1 BLOCK DIAGRAM ....................................................................................................................................40
3.1.1 OVERALL BLOCK DIAGRAM (1/2) FOR PDP-4350SX.....................................................................40
3.1.2 OVERALL BLOCK DIAGRAM (1/2) FOR PDP-5050SX.....................................................................42
3.1.3 OVERALL BLOCK DIAGRAM (2/2)....................................................................................................44
3.1.4 43 Y DRIVE ASSY..............................................................................................................................46
3.1.5 43 X DRIVE ASSY .............................................................................................................................47
3.1.6 50 Y DRIVE ASSY..............................................................................................................................48
3.1.7 50 X DRIVE ASSY .............................................................................................................................49
3.1.8 DIGITAL VIDEO ASSY .......................................................................................................................50
3.1.9 AV BOARD ASSY ..............................................................................................................................52
3.1.10 MAIN BOARD ASSY ........................................................................................................................54
3.1.11 AUDIO AMP ASSY...........................................................................................................................56
3.1.12 MR POWER SUPPLY UNIT .............................................................................................................57
3.1.13 TUNER BOARD ASSY.....................................................................................................................58
3.2 WAVEFORMS...........................................................................................................................................59
3.3 VOLTAGES................................................................................................................................................65
4. PCB CONNECTION DIAGRAM (Refer to “Service Manual: ARP3262)
5. PCB PARTS LIST ............................................................................................................................................71
6. ADJUSTMENT ................................................................................................................................................92
6.1 POSSIBLE CASES WHERE READJUSTMENT IS REQUIRED ..............................................................92
6.2 DRIVE ASSY ADJUSTMENT ...................................................................................................................94
6.3 ADJUSTMENT ITEMS..............................................................................................................................95
6.4 TRAP SWITCH .........................................................................................................................................99
6.5 SERVICE FACTORY MODE ...................................................................................................................100
6.6 USING RS-232C COMMANDS ..............................................................................................................114
6.7 LIST OF RS-232C COMMANDS ............................................................................................................115
6.8 OUTLINE OF COMMANDS....................................................................................................................120
6.9 METHOD FOR REPLACING THE SERVICE PANEL ASSY ..................................................................126
7. GENERAL INFORMATION ...........................................................................................................................127
7.1 DIAGNOSIS ............................................................................................................................................127
7.1.1 PCB LOCATION ...............................................................................................................................127
7.1.2 DIAGNOSIS OF SHUTDOWN/POWER-DOWN INDICATED BY LEDS ..........................................129
7.1.3 TEMPERATURE-COMPENSATION FUNCTION OF THE DRIVE-SYSTEM VOLTAGE ..................135
7.1.4 PROCESSING IN ABNORMALITY ..................................................................................................136
7.1.5 POWER ON/OFF FUNCTION FOR THE LARGE-SIGNAL SYSTEM..............................................138
7.1.6 BACKUP WHEN THE MAIN UNIT IS ADJUSTED ...........................................................................139
7.1.7 TROUBLESHOOTING......................................................................................................................142
7.1.8 DISASSEMBLY ................................................................................................................................153
7.2 IC INFORMATION ..................................................................................................................................162
8. PANEL FACILITIES AND SPECIFICATIONS ................................................................................................215
