Daewoo DVN-14F6N - Page 101

98
No sound in the playback mode
Is the output at pin 22
of IU01 ?
Is 11V applied to pin
7 of IU01 ?
Check power
circuit
Check QN07
Check QN06
Check IU01
Is 5V applied to pin
11 of IU01 ?
Is pin 24 of of
IU01 0V ?
Is pin 3 of IU01
Ground ?
Check pin 3,4
of PAN05
Is the signal applied to pin
1 of I501
Is Q101
base 'H'?
Check
I501
Check I701
pin42
Check
I601
Is the output at pin 4 of I501
Check I501
B.
No
No
No
Yes
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes