LG MBD-K203Q - Page 25

3-8
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 TUNER MODUEL
power(Check 4PIN 9V).
Check TUNER
module(TU100)is working.
YES
YES
NO
Check IC201(CS5345)
5,14,30:5V 36,46,:3.3V
Replace the related parts
Check IC201(CS5345)
14PIN output waveform.
TUNER FUNCTION PART CHECK
OK
Check IC201(CS5345)
26,27PIN input waveform.
YES