Daewoo RD-400 - Manual (Page 17)

5. AUDIO CONTROL Abnormal
Yes
No
OK Check Remote Receiver RM701
Yes
No
Replace IC501
Check if the
data of IC501
is ok?
Check Input
data of RMC
is ok?
Audio Abnormal of
Remote Control
6. Trouble Shooting Guide
5. AUDIO CONTROL Abnormal
No
Yes
Check if the
data of IC501 is
ok?
No
Yes
OK
Audio Abnormal of
Volume Control
Check Encoder SW. VR701
Yes
No
Replace IC501
Check if the
I2C Waveform of
IC841 is ok?
Check between IC501 to IC841
Check Input
Data of Volume
is ok?
15
Audio Part