Troubleshooting Guide; No Power - Daewoo DTH-29M2FS Service Manual

TROUBLESHOOTING GUIDE

1. NO POWER(CAUTION: DISCONNECT THE POWER PLUG WHEN REPLACE THE FUSE)
Check
F801(250V 4A)
PWC1
Check
Voltage DC200~380V
Check R823
2W 10K
waveform
STR-F6656
4
VIN
5
GND
I801
3
Drain
R803
2
Source
1W
1K
R825
OCP/
1
2W
FB
0.1
C830
FROM
FBT +12.5V
F801
SW707
FUSE
R831
L801
2W 15K
R802(10W 2.2ohms)
T802
TSM-5345B1
#2
C804
#5
C824
#9
#7
D804
C808
R805
C834
I803
D805
C807
ST-BY PWR ON
<DRAN OF I801>
Q703
Y801
R802
Check
D810
#17
#15
D814
#13
D815
#11
R809
R833
R808
Q802
9
MIC0M#41
Degaussing SW
D/Coil
D801
TO I101#34
X-RAY
Q801
C833
Check
Voltage
R810
132V
I802
45.7V
R104
TUNER B+ 33V
ST-BY 11V
SOUND B+ 13.5V
Check
PWR ON:L
PWR OFF: H
R819
R806
Q803
Q806
R830
R827
Appendix
Check
Voltage
Check
Voltage
FROM MICOM #42
PWR ON : H
PWR OFF : L