28
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
#34
RESET
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
#11
Y 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
Summary of Contents for CN-071
Page 7: ...6 BLOCK DIAGRAM...
Page 8: ...7 BLOCK DIAGRAM PH01...
Page 15: ...14 IC DESCRIPTION IC501 DCT814B LA76814B IC VIDEO PROCESSOR...
Page 16: ...15 IC DESCRIPTION ICY01 LA71550M IC VCR Y C AUDIO PROCESSOR...
Page 45: ...44 EXPLODED VIEW 1 DVQ 19H2FC...
Page 46: ...45 EXPLODED VIEW 2 DVQ 19H1FC...
Page 47: ...46 EXPLODED VIEW 3 DVQ 13H2FC...
Page 48: ...47 EXPLODED VIEW 4 DVQ 13H1FC...
