Rautz HC-7852UX, Руководство по обслуживанию

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Trouble Shooting Guide
Yes
Yes
3
Yes
Yes
Audio Abnormal of
AUX Input Function
3. AUDIO Abnormal
Check if the
Analog output
of IC404 is ok?
Check if the
Analog Output
of IC401 is
ok?
Check if the
I2S Output of
IC803 is ok?
Check if the
I2S Input of
IC801 is ok?
Check the Signal Input of OPAMP.
Replace IC404 (OPAMP).
Check Input Port of MUX
(CE405, CE406).
Replace IC803(ADC).
Check Resister.
HR805~807, HR878
No
No
No
No