Daewoo DVQ-13H1FC - Page 29

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