Daewoo DVQ-13H1FC Service Manual page 29

TROUBLESHOOTING GUIDE
k
Check
the voltage
Check
SCL/SDA signal
#16 #17
C Vcc #58
CCD Vcc #56
SW Vcc #39
Y Vcc #11
Check
the voltage
(5V)
RESET #34
Vcc(5V) #37
Vcc(5V) #98
Vcc(5V) #99
#65 #67
SDATA
SCLK
Check
the waveform
ICY01
VCR Y/C
LA71550M
#27
If CVS no signal,
then change the IY01.
ICS01
TIMER/
SYSCON
#56 #71 #72
Caption
CVS
#40
CVS
#42
Check
the waveform
28
Check
the crystal
#39
XS02
16MHz
#38
Check
the crystal
#35
XCS01
32KHz
#36
Check
MCL/MDA signal
MDATA
MCLK
#12 #11
R OUT
I501
#19
CHROMA
DCT814B
G OUT
#20
B OUT
#21
See the 2-1) TV NO
PICTURE