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ELECTRICAL TROUBLESHOOTING GUIDE
6. TUNER / AUX FUNCTION CHECK
FUNCTION CHECK
Check CN202 pin1, 2: 12 V.
Check IC201
pin41: SDOUT, pin42: SLCK,
pin43: LRCK, pin44: MCLK.
Replace IC201.
Check IC201
Pin5: DVCC_3.3V,
Pin6: High, Pin14: DVCC_5V.
IC501(MLC3730)
output data.
Check JK200, TU500.
Check
IC201 (CS5346)
pin23, 24, 26, 27
input.
Check IC201
(CS5346) pin41 output
data.
Check
IC501(MLC3730)
input data.
Check IC201
Pin5: DVCC_3.3V
Pin14: DVCC_5V.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
OK