37
TROUBLE SHOOTING
1. POWER CIRCUIT
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO POWER
POWER cord is ok
Exchange POWER card
(+) Voltage of CA3
Check
F1 ,LA1 ,DA1~DA4
Switching
Waveform of U1
Cheack
U1,LA2 ,ZDA2 ,DA6,U2
Output voltage of
DB1~DB5
Replace bad parts
Check other parts
Check LB1,LB2
Sm(DAEWOO_DG-K51X)051229.indd 37
2005-12-30 11:47:48
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 ...