LG MCV903 Service Manual page 29

9. TAPE FUNCTION PART CHECK
TAPE PCB ASS`Y
Check the input waveform of
IC200(BU4052) 2, 15PIN
Check the output waveform of IC200 (BU4052)3, 13PIN
Check the input waveform of IC601 (BU4052)2, 15PIN
Check the input
waveform of IC801(MIC4580)2 ,6PIN
Check the output waveform of the PN709
6 PIN L_ CH
8 PIN R_ CH
OK
LGE Internal Use Only
YES
YES
YES
YES
YES
NO
Check the IC200 (BU4052)
16PINVDD, 8PIN VSS power
Replace the related part
NO
Check the IC200 (BU4052)
16PINVDD, 8PIN VSS power
Replace the related part
3-8 Copyright © 2008 LG Electronics. Inc. All right reserved.
YES
YES
Only for training and service purposes