2
PDP-LX609A
1
2
3
4
A
B
C
D
E
F
1
2
3
4
CONTENTS
1. BASIC ITEMS FOR SERVICE...............................................................................................................................................4
1.1 PCB LOCATIONS ...........................................................................................................................................................4
2. BLOCK DIAGRAM.................................................................................................................................................................6
2.1 OVERALL WIRING DIAGRAM (1/2) ...............................................................................................................................6
2.2 OVERALL WIRING DIAGRAM (2/2) ...............................................................................................................................8
2.3 OVERALL BLOCK DIAGRAM (MULTI BASE SECTION) .............................................................................................10
2.4 POWER SUPPLY BLOCK of MAIN ASSY ....................................................................................................................12
2.5 IO_AUDIO ASSY ..........................................................................................................................................................14
3. DIAGNOSIS.........................................................................................................................................................................16
3.1 POWER SUPPLY OPERATION ....................................................................................................................................16
3.2 DIAGNOSIS FLOWCHART OF FAILURE ANALYSIS...................................................................................................17
3.3 DIAGNOSIS OF PD (POWER-DOWN) .........................................................................................................................35
3.4 DIAGNOSIS OF SD (SHUTDOWN)..............................................................................................................................36
3.5 NON-FAILURE INFORMATION ....................................................................................................................................40
3.6 OUTLINE OF THE OPERATION...................................................................................................................................41
3.7 OUTLINE OF RS-232C COMMAND.............................................................................................................................42
3.8 LIST OF RS-232C COMMANDS ..................................................................................................................................42
3.9 DETAILS OF EACH COMMANDS ................................................................................................................................51
4. SERVICE FACTORY MODE................................................................................................................................................52
4.1 OUTLINE OF THE SERVICE FACTORY MODE ..........................................................................................................52
4.2 DETAILS OF FACTORY MENU ....................................................................................................................................58
4.3 DIGITAL TUNER SERVICE MENU ...............................................................................................................................71
5. EACH SETTING AND ADJUSTMENT ................................................................................................................................74
5.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPAIRED OR REPLACED ..........................................................74
5.2 HOW TO UPDATE USB ................................................................................................................................................77
6. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................80
6.1 PACKING SECTION .....................................................................................................................................................80
6.2 REAR SECTION ...........................................................................................................................................................82
6.3 FRONT SECTION.........................................................................................................................................................84
6.4 CHASSIS SECTION (1/2) .............................................................................................................................................86
6.5 CHASSIS SECTION (2/2) .............................................................................................................................................88
6.6 PANEL CHASSIS SECTION .........................................................................................................................................90
6.7 MULTIBASE SECTION .................................................................................................................................................92
6.8 PDP SERVICE ASSY ...................................................................................................................................................94
7. SCHEMATIC DIAGRAM ......................................................................................................................................................96
7.1 MAIN ASSY (1/24) [BOARD_IF_0 BLOCK] ..................................................................................................................96
7.2 MAIN ASSY (2/24) [BOARD_IF_1 BLOCK] ..................................................................................................................98
7.3 MAIN ASSY (3/24) [BOARD_IF_2 BLOCK] ................................................................................................................100
7.4 MAIN ASSY (4/24) [POWER_0 BLOCK] ....................................................................................................................102
7.5 MAIN ASSY (5/24) [POWER_1 BLOCK] ....................................................................................................................104
7.6 MAIN ASSY (6/24) [POWER_2 BLOCK] ....................................................................................................................106
7.7 MAIN ASSY (7/24) [VDEC BLOCK] ............................................................................................................................108
7.8 MAIN ASSY (8/24) [ADC BLOCK] ..............................................................................................................................110
7.9 MAIN ASSY (9/24) [HDMI BLOCK].............................................................................................................................112
7.10 MAIN ASSY (10/24) [HDMI_SW BLOCK] .................................................................................................................114
7.11 MAIN ASSY (11/24) [DVB_T_TUNER BLOCK] ........................................................................................................116
7.12 MAIN ASSY (12/24) [COFDM BLOCK].....................................................................................................................118
7.13 MAIN ASSY (13/24) [COMMON_IF BLOCK] ............................................................................................................120
7.14 MAIN ASSY (14/24) [VBI_SLICER BLOCK] .............................................................................................................122
7.15 MAIN ASSY (15/24) [7404_0 BLOCK] ......................................................................................................................124
7.16 MAIN ASSY (16/24) [7404_1 BLOCK] ......................................................................................................................126
7.17 MAIN ASSY (17/24) [7404_DDR BLOCK] ................................................................................................................128
7.18 MAIN ASSY (18/24) [7404_FLASH BLOCK] ............................................................................................................130
7.19 MAIN ASSY (19/24) [ARIA_0 BLOCK]......................................................................................................................132
7.20 MAIN ASSY (20/24) [ARIA_1 BLOCK]......................................................................................................................134
