Troubleshooting
6-4
SF150T
6-2-1 No + 5 V
Y
N
N
output shorted ?
Start
N
Y
Y
N
Remove short
Y
Replace D4
Check PCB Pattern
Replace U2
Check CON 1
Check
U2 Input voltage
D4 Open or
Shorted ?
DC 6 V
Check U2 ?
End
6-2-2 No -12 V
Y
Y
N
N
output shorted ?
Start
N
Y
Y
N
Remove short
Replace D5
Check PCB Pattern
Replace U1
Check CON1
Check
U1 Input voltage
D5 Open or
Shorted ?
-15 VDC
U1 Output ?
End
Содержание SF-150T
Страница 8: ...Exploded Views and Parts Lists SF150T 8 5 8 3 Ass y COVER TOP 1 2 3 4 6 7 8 S1 9 10 S2 S3 S3 11 12 5 ...
Страница 10: ...Exploded Views and Parts Lists SF150T 8 7 8 4 Ass y Handset 3 2 S1 1 4 5 6 7 8 9 ...
Страница 12: ...Exploded Views and Parts Lists SF150T 8 9 8 5 Ass y Base 5 6 7 8 S1 2 1 3 4 10 9 ...
Страница 67: ...Samsung Electronics Co Ltd Mar 1998 Printed in Korea JF68 60936A ...