Troubleshooting Guide - Sharp LC-32SH20U Service Manual
Lcd color television
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Also See for LC-32SH20U:
- Brochure (2 pages) ,
- Operation manual (46 pages) ,
- Service manual (83 pages)
Table of Contents
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POWER DOES NOT TURN ON
IS F501 BROKEN ?
NO
IS THERE VOLTAGE
AT PIN 4 OF IC503
20.5V ?
YES
IS THERE VOLTAGE
AT PIN 4 OF IC506
AT5V ?
YES
IS THERE VOLTAGE
AT PIN 2 OF IC3804
AT3.3V ?
YES
CHANGE SCALER PCB.
TROUBLESHOOTING GUIDE
YES
NO
NO
NO
E-1
CHANGE F501.
CHECK IC503 AND
PERIPHERAL CIRCUIT.
CHECK IC506 AND
PERIPHERAL CIRCUIT.
OR CHANGE POWER PCB.
CHECK IC3804 AND
PERIPHERAL CIRCUIT.
OR CHANGE AV PCB.
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