Daewoo EKE Service Manual page 16

1
Trouble Shooting Guide
Front Section
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3
MIC function
4
Yes
5
Tuner/CD/AUX /GAME
phones sound
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7
8
9
1. Check J352.
2. Check VR352 Mic Volume Location.
no 3. Check IC352 (NJM4558) Power -9V(4pin) ,
+9V (8 Pin)
4. Check IC352 (NJM4558) output (1, 7 Pin)signal.
1.Check CW702: 1pin,3pin input signal.
no
2.Check IC705: 3pin,5pin input signal.
3.Check IC705: 4pin VEE(-9V),8pin VCC(9V)
4.Check IC705: 1pin,7pin output signal.
5.Check J701.
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