Rautz HC-7852UX Service Manual - page 21
Manual is about: Digital Home Cinema System
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Trouble Shooting Guide
NO
NO
4
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Audio Abnormal of
Tuner Function
3. AUDIO Abnormal
Check if the
Data Interface
is ok?
Check if the
Tuner data is
ok?
Check IC501 Data Interface Stereo,
PLL_CE.
Check IC501 Data Interface
RDS_CLK, RDS_DATA
Replace IC201
Replace IC401.
Check TU001 Signal output.
Replace Tuner Module.
Check if the
RDS data is
ok?
Check if Port
of IC201 is ok?
Check if signal
output IC401
is ok?
Check if the
Function operation
of IC401 is
ok?
Check if signal
Input IC401 is
ok?
No
No
No
No
No