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Trouble shooting guide, Audio part – Daewoo RD-400 User Manual

Page 15

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3. AUDIO Abnormal

Check if the I2S

Output of IC501

is ok?

Replace IC501.

No

Check if theI2S

Input of IC861

is ok?

Yes

Check Chip Resistor

HA861

Check if the

Output of IC861

is ok?

Yes

No

Yes

Yes

Yes

OK

Audio Abnormal of

DVD Function

Check if

suppled power

is ok?

Check Regulator Circuit.

IC904.

Yes

No

No

No

Check Regulator Circuit

IC902

No

Check Power Circuit

CE903, CE904

Check if

the Output of

IC871 is ok?

Check if

the Output of

IC841 is ok?

1

3

Video Output

Funtion

Digital Audio

Input Funtion

13

6. Trouble Shooting Guide

Audio Part