TROUBLE SHOOTING
40
4. AUDIO OUTPUT CIRCUIT
YES
YES
YES
NO
NO
NO
NO
YES
NO sound
Audio Signal from
pin#187,189 of U2
Replace the U2
Check audio signal from
pin#1,7 of U17
Check inserted part:
R58,C160,R223,R225,R226,
R57,C167,R224 R227 R228,
U17 and Replace bad parts
Check parts:
C233,R201,Q36,L49,
C161,R123,Q18,L38,
C235,R203,L50,Q37,
C168,R132,L39,Q19
Replace bad parts
Check audio signal from
pin#1,7 of U11
Check inserted part:
C237,R67,R122,
C238,R68,R131,U11 and
Replace bad parts
Sm(DAEWOO_DG-K51X)051229.indd 40
2005-12-30 11:47:49
Summary of Contents for DG-K512
Page 24: ...PCB CIRCUIT BOARD 23 2 DECODE BOARD Sm DAEWOO_DG K51X 051229 indd 23 2005 12 30 11 47 36 ...
Page 25: ...PCB CIRCUIT BOARD 24 Sm DAEWOO_DG K51X 051229 indd 24 2005 12 30 11 47 40 ...
Page 32: ...PCB CIRCUIT BOARD 31 5 YUV OUTPUT BOARD Sm DAEWOO_DG K51X 051229 indd 31 2005 12 30 11 47 44 ...
