5
PDP-LX509A
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 NOTES SPECIFIC TO THIS PRODUCT ........................................................................................................................ 6
1.3 CHARGED SECTION AND HIGH VOLTAGE GENERATING POINT ............................................................................. 7
2. SPECIFICATIONS................................................................................................................................................................. 8
2.1 ACCESSORIES .............................................................................................................................................................. 8
2.2 SPECIFICATIONS .......................................................................................................................................................... 9
2.3 PANEL FACILITIES....................................................................................................................................................... 10
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................ 13
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 13
3.2 QUICK REFERENCE ................................................................................................................................................... 14
3.3 PCB LOCATIONS ......................................................................................................................................................... 16
4. BLOCK DIAGRAM .............................................................................................................................................................. 18
4.1 OVERALL WIRING DIAGRAM (1/2) ............................................................................................................................. 18
4.2 OVERALL WIRING DIAGRAM (2/2) ............................................................................................................................. 20
4.3 OVERALL BLOCK DIAGRAM (1/2) .............................................................................................................................. 22
4.4 OVERALL BLOCK DIAGRAM (2/2) .............................................................................................................................. 24
4.5 POWER SUPPLY UNIT ................................................................................................................................................ 26
4.6 50F X DRIVE ASSY...................................................................................................................................................... 27
4.7 50F Y DRIVE, 50F SCAN A and B ASSYS .................................................................................................................. 28
4.8 POWER SUPPLY BLOCK of 50F X, Y DRIVE and 50F SCAN A and B ASSYS ......................................................... 29
4.9 50F ADDRESS L and S ASSYS................................................................................................................................... 30
4.10 50F DIGITAL ASSY .................................................................................................................................................... 31
4.11 POWER SUPPLY BLOCK of MAIN ASSY .................................................................................................................. 32
4.12 IO_AUDIO ASSY ........................................................................................................................................................ 34
4.13 LED and IR ASSYS .................................................................................................................................................... 36
5. DIAGNOSIS ........................................................................................................................................................................ 37
5.1 POWER SUPPLY OPERATION .................................................................................................................................... 37
5.2 DIAGNOSIS FLOWCHART OF FAILURE ANALYSIS .................................................................................................. 43
5.3 DIAGNOSIS OF PD (POWER-DOWN)......................................................................................................................... 68
5.4 DIAGNOSIS OF SD (SHUTDOWN) ............................................................................................................................. 72
5.5 NON-FAILURE INFORMATION .................................................................................................................................... 76
5.6 OUTLINE OF THE OPERATION .................................................................................................................................. 78
5.7 OUTLINE OF RS-232C COMMAND ............................................................................................................................ 83
5.8 LIST OF RS-232C COMMANDS .................................................................................................................................. 84
5.9 DETAILS OF EACH COMMANDS ................................................................................................................................ 93
6. SERVICE FACTORY MODE ............................................................................................................................................. 107
6.1 OUTLINE OF THE SERVICE FACTORY MODE ........................................................................................................ 107
6.2 DETAILS OF FACTORY MENU .................................................................................................................................. 115
6.3 DIGITAL TUNER SERVICE MENU............................................................................................................................. 139
7. DISASSEMBLY ................................................................................................................................................................. 142
7.1 FLOWCHART OF REMOVAL ORDER ....................................................................................................................... 142
7.2 DISASSEMBLY ........................................................................................................................................................... 143
8. EACH SETTING AND ADJUSTMENT .............................................................................................................................. 152
8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED ........................................................ 152
8.2 BACKUP OF THE EEPROM (DIGITAL ASSY) ........................................................................................................... 155
8.3 HOW TO CLEAR HISTORY DATA .............................................................................................................................. 158
8.4 ADJUSTMENT WHEN THE SERVICE PANEL ASSY IS REPLACED ....................................................................... 159
8.5 ADJUSTMENT WHEN THE DRIVE ASSYS ARE REPLACED.................................................................................. 170
8.6 ADJUSTMENT WHEN THE MAIN OR IO_AUDIO ASSY IS REPLACED.................................................................. 173
8.7 HOW TO UPDATE USB .............................................................................................................................................. 174
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................. 176
9.1 PACKING SECTION ................................................................................................................................................... 176
9.2 REAR SECTION......................................................................................................................................................... 178
9.3 FRONT SECTION ...................................................................................................................................................... 180
9.4 CHASSIS SECTION (1/2)........................................................................................................................................... 182
9.5 CHASSIS SECTION (2/2)........................................................................................................................................... 184
9.6 PANEL CHASSIS SECTION....................................................................................................................................... 186
9.7 MULTIBASE SECTION............................................................................................................................................... 188
9.8 PDP SERVICE ASSY ................................................................................................................................................. 190