LG LCS500UN Service Manual

2-10
4. TUNER ERROR CORRECTION FLOW CHART
Not available to Tuner?
Something wrong with the Tuner system?
OK
YES
IC101(6, 22)
NO
Checked the
Tuner Vdd?
YES
IC301(10, 11), IC402(40), D417
NO
Checked the Tuner
Vdd control?
YES
IC101(5, 10, 17, 23)
NO
Checked the
Tuner Ground?
YES
IC802(15), IC402(15)
NO
Checked the E-VR
Mute Control?
YES
IC101(18, 19), IC402(3, 4)
NO
Checked the
I2C data?
YES
IC101(8, 9)
NO
Checked the
Audio Signal?
YES

LG LCS500UN Specifications

General

Brand	LG
Model	LCS500UN
Category	Car Receiver
Language	English