Vcr Part - Daewoo DVQ-13H1FCN Service Manual

TROUBLESHOOTING GUIDE

3. VCR PART

3-1) NO LOADING
Check the loading conditions (VHS TAPE)
f
RESET
Vcc(5V)
g
RESET
Vcc(5V)
#34
ICS01
TIMER/SYSCON
#37
#35 #36 #38 #39
XS01 XS02
32KHz 16MHz
Check
the crystal
#34
ICS01
TIMER/SYSCON
#37
#35 #36 #38 #39
XS01 XS02
32KHz 16MHz
Check
the crystal
UNLOADING : GO to the figure
Check
waveform
#80
#79
#7 #8
RS90 RS91
END START
SENSOR SENSOR
SS02 SS01
Loading ON
#74
Loading F/R
#73
PAS03
CAM DATA
A/B/C/D
18
EJECT : GO to the figure
TAKE UP
SENSOR SS03
SUPPLY
SENSOR SS04
Check
the voltage
Vcc(5V)
DS03
IR LED
Check
voltage
IS02
#6
LOADING
DRIVE
(BA6209)
#5
#2 #10
LM(-)
OUT
Check
voltage
Loading Motor
Check
voltage
See the IC description
ICS01 SYSCON part
Appendix
f
g
LM(+)
OUT