Daewoo DVQ-13H1FC Service Manual page 32

3-6) NO RECORD PICTURE
Check the waveform of ICY01 #40
CTL
m
HEAD
Check
the voltage
Check
SCL/SDA signal
C Vcc #58
CCD Vcc #56
SW Vcc #39
Y Vcc #11
Check
the voltage
(5V)
Check
waveform
CTL(+)
CTL(-)
#94
RESET #34
Vcc(5V) #37
Vcc(5V) #98
Vcc(5V) #99
#65 #67 #15
SDATA
SCLK
C-rotary pulse
VH SW Pulse
#16 #17 #97 #99
#19
ICY01
VCR Y/C
LA71550M
#5
#2
#31 #32 #9 #10
If REC Y/C no signal,
then change the ICY01.
NG : GO to the figure
Check
the waveform
(30Hz)
#95
ICS01
TIMER/
SYSCON
#18 #20
REC H
VH SW Pulse
Check
waveform(30Hz)
C-SYNC
#5
Check
the waveform
REC Y
#9
REC C
#10
Check
the waveform
Check
the waveform
31
TROUBLESHOOTING GUIDE
2-1 (TV PART)
OK : GO to the figure m
Check
the crystal
#39
XS02
16MHz
#38
#35
XCS01
32KHz
#36
Check
the crystal
Check
voltage
#4 #11
IZ01
#13 Vcc
PREAMP
LA70001
#19 #17 #16
Check
the voltage
(5V)
2HEAD DRUM
If REC no signal,
then change the IZ01.