Troubleshooting
6-6
SF150T
6-3. System Not Initialized
N
NG
N
N
NG
OK
N
N
N
Step motor driving
Start
Y
Y
Y
Y
OK
NG
Y
Y
See Section 6-2-2
Replace P5 Harness
or OPE PBA
Replace U3
Replace U7
Fax Engine IC
Replace U7
Fax Engine IC
Replace Main PBA
Replace U14
Motor Driver
Replace
X2 XTAL
Check
U3 Pin 5
= "High"
Check U3 Pin 6
(above +2.25 V)
Check
P5 Harness or OPE
PBA
Check 12 MHz
Clock U7-37
Check 24 MHz
Clock U7-129
O.K ?
O.K ?
Check
Vcc ³ 4.75 V
P1-4 (+5V)
P1-3 (GND5)
End
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 ...