Sharp LC-20AD5E-BK - Page 36

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TROUBLESHOOTING GUIDE

Change MAIN PCB.

Change DIGITAL TUNER

MODULE.

THE PICTURE DOES NOT

APPEAR. (DIGITAL)

YES

Does an error

message display it?

E-4

Main Page

Table of Contents1
Service Manual1
Lcd Color Television1
Sharp Corporation1
Servicing Notices on Checking2
How to Order Parts2
Important2
- To Release the Hotel Mode3
- To Set the Hotel Mode3
Hotel Mode Function3
- Distinction of Pbf PCB4
- Recommendations4
- Parental Control - Rating Level4
ABOUT LEAD FREE SOLDER (Pbf)4
General Specifications5
- Removal of Mechanical Parts and P.C. Boards11
- Cover Back/Stand Ass'y11
- Back Cabinet11
Disassembly Instructions11
- Main Pcb12
- Cover Lcd/Lcd Panel12
- Removal and Installation of Flat Package IC13
Service Mode List15
Confirmation of Initial Data16
When Replacing Eeprom (Memory) IC16
Servicing Fixtures and Tools17
Install for Writing Tools17
Re-Write for Digital Soft Firmware18
Update for Vctp Software22
Update for Eeprom Data26
- Adjustment Procedure28
- Basic Adjustments28
- White Balance28
Electrical Adjustments28
- Contrast29
- Electrical Adjustment Parts Location Guide (Wiring Connection)32
- Power Does Not Tuner on33
Troubleshooting Guide33
- The Picture Does Not Apeear34
- The Color Does Not Appear37
- On Screen Display Does Not Appear38
- The Screen Has a Vertical Line or a Horizontal Line39
- Tuner/Scart1/Scart2/Rca Audio out Block Diagram40
- Power/Regulator Block Diagram41
- Scaler/Sub Micon Block Diagram42
- Hdmi/D-Sub Block Diagram43
- Sound Amp/Headphone Jack/Component Jack Block Diagram44
- Digital Block Diagram45
- Power Block Diagram46
- Main (Top Side)47
Printed Circuit Boards47
- Printed Circuit Boards Main (Bottom Side)48
- Power/Remocon/Operation (Inserted Parts)49
- Solder Side49
- Power/Remocon/Operation (Chip Mounted Parts)50
- 21Pin Schematic Diagram51
- Power Schematic Diagram52
- Regulator Schematic Diagram53
- Av Jack / Switch Schematic Diagram54
- Sound Amp Schematic Diagram55
- Tuner Schematic Diagram56
- Scaler Schematic Diagram57
- Sub Micon/Rs-232C Schematic Diagram58
- Jack Schematic Diagram59
- Panel Interface Diagram60
- Interface_Hdmi IC Schematic Diagram61
- DVD Interface Diagram62
- Asic Schematic Diagram63
- Flash / Sdram Schematic Diagram64
- Common Interface Schematic Diagram65
- Power I/O Schematic Diagram66
- Ofdm/ Tuner Schematic Diagram67
- Power2 Schematic Diagram68
- Operation/Remocon Schematic Diagram69
- Interconnection Diagram70
Waveforms71
Mechanical Exploded View73
- Mecha Replacement Parts List75
- Electric Replacement Parts List77

Sharp LC-20AD5E-BK - Page 36

Table of Contents

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