Troubleshooting Guide; No Power - Daewoo DTQ-20D5FSN Service Manual

TROUBLESHOOTING GUIDE

1. NO POWER

1
Check
F801(125V 4A)
PCW1
4
Check
waveform
C804
R802
L811
R813
I801
#2
#1
#6 #3
D805
R811
C807
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F801
L801
133V
B+
#4
#2
45V
C802
#5
12V
#6
#4 #1
12V
133V
#3 #2
C850
D881~D884
R801
Q804
C819
D807
R814
L807
133V
C814
C820
TUNER
33V
D808
L806
C815
DR.TRNS B+
45V
D813
SOUND B+
C812
R817
12V
Q805
R819
D812 C706
5.6Vz
2
1
I803 133V
3
MICOM #37
R851
10
APPENDIX
3
Check
2A05G
2
Check
R801(7W 2.2)
TO I101 #34
5
OCP
Check
Voltage
6
Check
Voltage
7
Check
Voltage
ST-BY
5V