Troubleshooting Guide - Daewoo DVQ-13H1FCN Service Manual

TROUBLESHOOTING GUIDE

1. NO POWER
Check
F801(125V 4A)
F801
PWC01
Check
Waveform
Q801
R805
R807
Q801 DRAIN
ST- BY
Check
R802(7W 2.2)
R802
L801
T801
133V
B+
45V
10V
12V
I801
10V
#10
#1
#14 133V
#3
#5
#11 VCR ON H
FROM U-COM
#31 ON/OFF
VCR ON
Check
D801~D804(LT2A05G)
D801
C804
Q821
D820
R820
C821
D821
R110
C822
D822
L823
C823 C829
KIA78R05P1
D823
KIA78R12P1
C824
Check
Voltage
Check
Voltage
10
TO I501 #34
OCP
C826
L824
Check
Voltage
133V
TUNER 33V
Check
Voltage
H/D TRANS
45V
BACKUP 5V
DS02
K1A7805
DS01
EVER 5V
VCR 5V
MOTOR 12V
SOUND 12V
ICS01 #31
STATUS
VCR ON POWER ON
STAND BY L
VCR ON H
CRT ON H
Appendix
Check
Voltage
Check
Voltage
ICS01 #30
L
L
H