Table of Contents
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................6
1.1 NOTES ON SOLDERING ...............................................................................................................................................6
A
1.2 NOTES ON REPLACING PARTS ...................................................................................................................................6
1.3 CAUTION ........................................................................................................................................................................6
1.4 NOTES ON ASSEMBLING .............................................................................................................................................7
1.5 NOTES ON BENDING SHIELD FFC ..............................................................................................................................8
2. SPECIFICATIONS .................................................................................................................................................................9
2.1 SPECIFICATIONS...........................................................................................................................................................9
2.2 PANEL FACILITIES .......................................................................................................................................................10
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................20
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................20
3.2 PCB LOCATIONS .........................................................................................................................................................21
3.3 JIGS LIST......................................................................................................................................................................23
B
4. BLOCK DIAGRAM...............................................................................................................................................................24
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................24
4.2 BLOCK DIAGRAM for AUDIO BLOCK..........................................................................................................................26
4.3 BLOCK DIAGRAM for DIGITAL VIDEO and NW (NetWork) AUDIO .............................................................................28
4.4 BLOCK DIAGRAM for ANALOG VIDEO BLOCK (1/4) .................................................................................................29
4.5 BLOCK DIAGRAM for ANALOG VIDEO BLOCK (2/4) .................................................................................................30
4.6 BLOCK DIAGRAM for ANALOG VIDEO BLOCK (3/4) .................................................................................................31
4.7 BLOCK DIAGRAM for ANALOG VIDEO BLOCK (4/4) .................................................................................................32
4.8 BLOCK DIAGRAM for U-COM BLOCK.........................................................................................................................33
4.9 BLOCK DIAGRAM for POWER BLOCK........................................................................................................................34
5. DIAGNOSIS.........................................................................................................................................................................36
5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................36
C
5.2 CIRCUIT DESCRIPTION ..............................................................................................................................................52
6. SERVICE MODE .................................................................................................................................................................60
6.1 TEST MODE .................................................................................................................................................................60
7. DISASSEMBLY....................................................................................................................................................................62
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................68
8.1 HOW TO UPDATE FIRMWARE ....................................................................................................................................68
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................78
9.1 PACKING SECTION......................................................................................................................................................78
9.2 EXTERIOR SECTION...................................................................................................................................................80
9.3 REAR SECTION ...........................................................................................................................................................82
9.4 CHASSIS SECTION .....................................................................................................................................................84
9.5 FRONT SECTION .........................................................................................................................................................86
D
10. SCHEMATIC DIAGRAM ....................................................................................................................................................88
10.1 AUDIO ASSY ..............................................................................................................................................................88
10.2 DSP ASSY (1/4)..........................................................................................................................................................90
10.3 DSP ASSY (2/4)..........................................................................................................................................................92
10.4 DSP ASSY (3/4)..........................................................................................................................................................94
10.5 DSP ASSY (4/4)..........................................................................................................................................................96
10.6 FRONT-HDMI ASSY ...................................................................................................................................................98
10.7 232C_CONTROL ASSY ...........................................................................................................................................100
10.8 DIGITAL MAIN ASSY (1/7)........................................................................................................................................102
10.9 DIGITAL MAIN ASSY (2/7)........................................................................................................................................108
10.10 DIGITAL MAIN ASSY (3/7)......................................................................................................................................110
10.11 DIGITAL MAIN ASSY (4/7)......................................................................................................................................112
E
10.12 DIGITAL MAIN ASSY (5/7)......................................................................................................................................114
10.13 DIGITAL MAIN ASSY (6/7)......................................................................................................................................116
10.14 DIGITAL MAIN ASSY (7/7)......................................................................................................................................118
10.15 INTERFACE ASSY..................................................................................................................................................120
10.16 COMPONENT ASSY ..............................................................................................................................................122
10.17 COMPOSITE_S ASSY (1/2) ...................................................................................................................................124
10.18 COMPOSITE_S ASSY (2/2) ...................................................................................................................................126
10.19 FRONT BRIDGE ASSY ..........................................................................................................................................128
10.20 MIC HP ASSY .........................................................................................................................................................130
F
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SC-LX82
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