Table Of Contents - Sharp LC-60LE452U Service Manual

IMPORTANT SERVICE SAFETY PRECAUTION..............................................................3
1. Function Diagram.....................................................................................................4
2. System block...........................................................................................................5
3. Disassembly method
3.1 Disassembly stand unit and Rear cabinet Ass'y.........................................................6
3.2 Disassembly the metal parts and attached Ass'y.......................................................7
3.3 Disassembly the board Ass'y.................................................................................8
3.4 Harness picture..................................................................................................8
3.5 Tearing off the LVDS cable with silicon...................................................................9
4. Basic schematic of port
4.1 Power circuit....................................................................................................10
4.2 Reset circuit.....................................................................................................12
4.3 IR&KEY circuit..................................................................................................13
4.4 VGA INPUT......................................................................................................14
4.5 SPDIF OUTPUT................................................................................................14
4.6 AV& YPBPR....................................................................................................15
4.7 HDMI Circuit....................................................................................................16
4.8 USB Circuit......................................................................................................17
4.9 AMP Circuit......................................................................................................17
4.10 Main controller MSD3393LU..............................................................................18
5. Trouble shooting table
5.1 Power Troubleshooting.......................................................................................19
5.2 Display Troubleshooting.....................................................................................20
5.3 Audio Troubleshooting........................................................................................22
5.4 Function Troubleshooting....................................................................................23
6. Software update procedure
6.1 Enter factory menu mode method.........................................................................29
6.2 Software update procedure.................................................................................29
7. Connector define.....................................................................................................31
8. Critical components list
8.1 Critical components list for Main Board..................................................................34
8.2 Critical components list for Power Board................................................................35
9. Mechanical Explosion Diagram
9.1 TV Set Explosion Diagram...................................................................................42
9.2 Packing Explosion Diagram.................................................................................44
10. SUPPLIED ACCESSORIES.....................................................................................45
Sharp LC-60LE450U/LC-60LE452U Service manual
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