LG CJS45F Service Manual

TUNER FUNCTION CHECK
Check tuner module(TU200)
operation.
Check tuner module voltage
(Pin4: +3.3 V).
YES
YES
NO
Check IC500 Pin P7, P8, P10, P11.
Check tuner module data.
YES
NO
Refer to function check.
8. TUNER FUNCTION CHECK
3-24
ELECTRICAL TROUBLESHOOTING GUIDE
7. TUNER / AUX FUNCTION CHECK
FUNCTION CHECK
Replace IC201.IC500(MLC3730) output data.
Check IC202
Pin18,19:ADC, MIC_DATA SDOUT,
Pin17: BCK, Pin16: LRCK,
Pin15: MCLK.
Check IC202
Pin8: ADC +3.3 V,
Pin13, 14, 25: DVCC +3.3 V.
Check CN102 Pin13,14: 12 VA.
Check JK200,TU200.
Check
IC500(MLC3730)
input data.
Check IC202
(PCM1865) Pin18, 19
output data.
Check
IC202 Pin8: ADC +3.3 V
Pin13,14,25: DVCC
+3.3 V.
Check IC202
(PCM1865) Pin27, 28,
29, 30 input.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES YES
YES
OK
jomi

LG CJS45F Specifications

General

Brand	LG
Model	CJS45F
Category	Stereo System
Language	English