LG MCV903 Series Service Manual

3-7
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
8. TUNER FUNCTION PART CHECK
YES
YES
NO
Check the TUNER MODULE power
(check the 2PIN 9V)
Check the TUNER module
(TU601) operation
YES
NO
Check the IC200 (BU4052)
16PINVDD, 8PIN VSS power
TUNER FUNCTION PART CHECK
Check the input
waveform of IC200( BU4052) 1,12PIN
Check the input waveform of IC801.
YES
Replace the related part
NO
Check the IC801( MC4580)
4PIN VSS, 8PIN VDD power
YESYES
Replace the related part
Check the output
waveform of IC200 (BU4052)3, 13PIN
Check the input waveform of IC601
(BU4052)2, 15PIN
OK
YES

LG MCV903 Series Specifications

General

Brand	LG
Model	MCV903 Series
Category	Stereo System
Language	English