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LG DR1F9H User Manual

LG DR1F9H
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3-8
No SW_5.3VA
Is VCC (5.3V) supplied to Q158
Emitor?
YES
Check 5.3VA on SMPS Board
NO
Is there 0V
at R179 and R156 ?
YES
Check the STANDBY H signal from µ-COM
NO
Check Q158 and Replace
YES
No 1.8V(SAA7137)
Is VCC (3.3V) supplied to Q159
Emitor And IC154 pin 1, 2, 8 ?
YES
Check 3.3V power supply
NO
Is about
3V ~ 3.3V at Q159 Base
and IC154 pin 3 ?
YES
Check Q159 and Replace
NO
Check IC154 and Replace
YES

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LG DR1F9H Specifications

General IconGeneral
BrandLG
ModelDR1F9H
CategoryDVD Recorder
LanguageEnglish

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