18
TROUBLESHOOTING GUIDE
3. VCR PART
3-1) NO LOADING
Check the loading conditions (VHS TAPE)
EJECT : GO to the figure
f
UNLOADING : GO to the figure
g
XS01
#7
32KHz
Check
the crystal
Check
the voltage
ICS01
TIMER/SYSCON
#8
XS02
RS91
SS01
16MHz
#35
#36 #38
#39
#37
#34
RESET
Vcc(5V)
#80
DS03
SS04
SS03
IR LED
END
SENSOR
f
START
SENSOR
RS90
SS02
Vcc(5V)
TAKE UP
SENSOR
SUPPLY
SENSOR
#79
Check
waveform
g
XS01
32KHz
Check
the crystal
ICS01
TIMER/SYSCON
XS02
16MHz
#35
#36 #38
#39
#37
#34
RESET
Vcc(5V)
#74
PAS03
CAM DATA
A/B/C/D
See the IC description
ICS01 SYSCON part
#73
#8
1
#8
2
#8
3
#8
4
Check
voltage
IS02
LOADING
DRIVE
(BA6209)
Loading F/R
Loading ON
#6
#5
Check
voltage
Loading Motor
LM(+)
OUT
LM(-)
OUT
#2
#10
Check
voltage
Appendix
Содержание DVQ-13H1FCN
Страница 7: ...6 CIRCUIT BLOCK DIAGRAM...
Страница 8: ...7 CIRCUIT BLOCK DIAGRAM...
Страница 14: ...13 SCHEMATIC DIAGRAM AUDIO VIDEO VERTICAL HORIZONTAL...
Страница 15: ...14 EXPLODED VIEW 1 DVQ 19H2FCN 4857246201 4851941600 4859813091 48A96220C1 SPTH C T0 5 DRN 9200 A48AGY13X...
Страница 16: ...15 EXPLODED VIEW 2 DVQ 19H1FC 48572462011 4851941600 4859813091 48A96220C1 SPTH C T0 5 DRN 9200 A48AGY13X...
Страница 18: ...17 EXPLODED VIEW 4 DVQ 13H1FC T025 ET T0 4 330 246 T1 6 A34KQV42X...
Страница 19: ...18 PRINTED CIRCUIT BOARD...
Страница 35: ...7 IC DESCRIPTION IC501 DCT814B LA76814B IC VIDEO PROCESSOR Appendix...
Страница 36: ...8 IC DESCRIPTION ICY01 LA71076M IC VCR Y C AUDIO PROCESSOR Appendix...