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LG DR1F9H User Manual

LG DR1F9H
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3-15
8. NO EXTERNAL AUDIO INPUT
Replace IC803
C979, C980
Is there a signal?
CHECK Cable connec-
tions & Input signal.
IC803 pin 20, 24, 23,
27 :Is there a signal?
CHECK IC 803 pin 2,4 (VCC) : 12V
Pin 32, 33 (SCL/SDA) :
NO
NO
NONO< AV3 > < AV1/AV2 > < AV4 >
NO
NO
YES
IC803 pin 10, 16 :
Is there a signal?
YES
YES
YES
YES
YES
YES YES
C976,C977 :
Is there a signal?
YES
NO
IC901 pin 34
Or R999 (resetH) :
X901 (24.576MHz)
clock oscillated ?
C901 pin 173 or
R903 :
CHECK IC901 power
3.3V & 1.8V
When playing DISC,
no Audio output
IC901 DEFECT
CHECK
IC1302 Reset Circuit
R902,R913,R997 :
R962,R978 (I2C) :
IC1101 DEFECT
CHECK Cable connec-
tions & Input signal.

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LG DR1F9H Specifications

General IconGeneral
BrandLG
ModelDR1F9H
CategoryDVD Recorder
LanguageEnglish

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