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3-14

ONE POINT REPAIR GUIDE

NO SOUND

There is no sound output in the AUX function.

4-2. AUX FUNCTION

4-2-1. Solution

Check IC201 (ADC IC) on MAIN board.

4-2-2. How to troubleshoot (Countermeasure)

1) Check AUX L/R signal of IC201. (pin23, 24)

If there is no signal, check JK201 or AUX source set.

2) Check clock signal (BCK/ LRCK/ MCLK) of IC201. (pin42, 43, 44)

If there is no signal, check IC501. (MCS IC)

3) Check VCC_5V, VCC_3V3 of IC201.

If VCC_5V is abnormal, check IC305.

If VCC_3V3 is abnormal, check IC304.

4) Check output data of IC201. (pin41)

If there is no signal, replace IC201.

5) If all signal is OK, check AMP block. (go to 3-1)

4-2-3. Service hint (Any picture/ Remark)

< MAIN board top view >

IC201

(CS5346)

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