5
PDP-5020FD
5
6
7
8
5
6
7
8
A
B
C
D
E
F
CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 6
1.1 NOTES ON SOLDERING ............................................................................................................................................... 6
1.2 CHARGED SECTION AND HIGH VOLTAGE GENERATING POINT ............................................................................. 7
2. SPECIFICATIONS................................................................................................................................................................. 8
2.1 ACCESSORIES .............................................................................................................................................................. 8
2.2 SPECIFICATIONS ........................................................................................................................................................ 10
2.3 PANEL FACILITIES....................................................................................................................................................... 12
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................ 16
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 16
3.2 QUICK REFERENCE ................................................................................................................................................... 17
3.3 PCB LOCATIONS ......................................................................................................................................................... 19
3.4 JIGS LIST ..................................................................................................................................................................... 20
4. BLOCK DIAGRAM .............................................................................................................................................................. 22
4.1 OVERALL WIRING DIAGRAM (1/2) ............................................................................................................................. 22
4.2 OVERALL WIRING DIAGRAM (2/2) ............................................................................................................................. 24
4.3 OVERALL BLOCK DIAGRAM (1/2) .............................................................................................................................. 26
4.4 OVERALL BLOCK DIAGRAM (2/2) .............................................................................................................................. 28
4.5 POWER SUPPLY UNIT ................................................................................................................................................ 30
4.6 50F X DRIVE ASSY...................................................................................................................................................... 32
4.7 50F Y DRIVE, 50F SCAN A and B ASSYS .................................................................................................................. 33
4.8 POWER SUPPLY BLOCK of 50F X, Y DRIVE and 50F SCAN A and B ASSYS ......................................................... 34
4.9 50F ADDRESS L and S ASSYS................................................................................................................................... 35
4.10 50F DIGITAL ASSY .................................................................................................................................................... 36
4.11 MAIN ASSY (DTV BLOCK DIAGRAM)....................................................................................................................... 37
4.12 POWER SUPPLY BLOCK of MAIN ASSY .................................................................................................................. 38
4.13 IO_AUDIO ASSY ........................................................................................................................................................ 40
4.14 LED and IR ASSYS .................................................................................................................................................... 42
5. DIAGNOSIS ........................................................................................................................................................................ 43
5.1 POWER SUPPLY OPERATION.................................................................................................................................... 43
5.2 DIAGNOSIS FLOWCHART OF FAILURE ANALYSIS .................................................................................................. 49
5.3 DIAGNOSIS OF PD (POWER-DOWN)......................................................................................................................... 72
5.4 DIAGNOSIS OF SD (SHUTDOWN) ............................................................................................................................. 76
5.5 NON-FAILURE INFORMATION .................................................................................................................................... 80
5.6 OUTLINE OF THE OPERATION .................................................................................................................................. 82
5.7 OUTLINE OF RS-232C COMMAND ............................................................................................................................ 87
5.8 LIST OF RS-232C COMMANDS .................................................................................................................................. 88
5.9 DETAILS OF EACH COMMANDS ................................................................................................................................ 97
6. SERVICE FACTORY MODE ............................................................................................................................................. 111
6.1 OUTLINE OF THE SERVICE FACTORY MODE ........................................................................................................ 111
6.2 DETAILS OF FACTORY MENU .................................................................................................................................. 119
6.3 DIGITAL TUNER SERVICE MENU............................................................................................................................. 144
7. DISASSEMBLY ................................................................................................................................................................. 146
7.1 FLOWCHART OF REMOVAL ORDER ....................................................................................................................... 146
7.2 DISASSEMBLY ........................................................................................................................................................... 147
7.3 PRECAUTIONS FOR SPEAKER SYSTEM................................................................................................................ 157
8. EACH SETTING AND ADJUSTMENT .............................................................................................................................. 158
8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED ........................................................ 158
8.2 BACKUP OF THE EEPROM (DIGITAL ASSY) ........................................................................................................... 161
8.3 HOW TO CLEAR HISTORY DATA .............................................................................................................................. 164
8.4 ADJUSTMENT WHEN THE SERVICE PANEL ASSY IS REPLACED ....................................................................... 165
8.5 ADJUSTMENT WHEN THE DRIVE ASSYS ARE REPLACED.................................................................................. 176
8.6 HOW TO UPDATE USB.............................................................................................................................................. 179
8.7 ADJUSTMENT WHEN THE MAIN OR IO_AUDIO ASSY IS REPLACED.................................................................. 181
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................. 182
9.1 PACKING SECTION ................................................................................................................................................... 182
9.2 REAR SECTION......................................................................................................................................................... 184
9.3 FRONT SECTION ...................................................................................................................................................... 186
9.4 CHASSIS SECTION (1/2)........................................................................................................................................... 188
9.5 CHASSIS SECTION (2/2)........................................................................................................................................... 190
9.6 PANEL CHASSIS SECTION....................................................................................................................................... 192
9.7 MULTIBASE SECTION............................................................................................................................................... 194
9.8 PDP SERVICE ASSY ................................................................................................................................................. 196
9.9 TABLE TOP STAND.................................................................................................................................................... 198
9.10 SPEAKER SYSTEM (PACKING) .............................................................................................................................. 199
9.11 SPEAKER SYSTEM ................................................................................................................................................. 200