SAMSUNG Proprietary-Contents may change without notice
6-5
Troubleshooting
6-1-5 Abnormal Key tone
Abnormal Keytone
CLK Waveform output
from U204 pin 17?
‘Low’ level on U101 pin 6L?
CLK waveform applied
to CON102-24 pin 24?
Is the buzzer
connection correct?
Connect the buzzer correcty
Check Q201,Q202,R227,R220,D206,
and D207.Replace if required.
Check U101, pin 6.
Replace if required.
Check U204 pin 17.
Replace if required.
Check the buzzer and
replace if required
Yes
Yes
Yes
Yes
No
No
No
No
Содержание SCH-611
Страница 2: ... Samsung Electronics Co Ltd Oct 99 Printed in Korea Code No GH68 00668A BASIC ELECTRONICS ...
Страница 63: ...9 Block Diagrams SAMSUNG Proprietary Contents may change without notice 9 1 9 1 Main Block Diagram ...
Страница 64: ...SAMSUNG Proprietary Contents may change without notice 9 2 Block Dirgrams 9 2 Desk top charger Block Diagram ...
Страница 65: ...SAMSUNG Proprietary Contents may change without notice 9 3 Block Dirgrams 9 3 Hands Free Kit 1 Block Diagram ...
Страница 66: ...SAMSUNG Proprietary Contents may change without notice 9 4 Block Dirgrams 9 4 Travel charger Block Diagram ...
Страница 68: ...SAMSUNG Proprietary Contents may change without notice 9 6 MEMO ...
Страница 69: ...SAMSUNG Proprietary Contents may change without notice 10 1 10 1 Main PCB Top View 10 PCB Diagrams ...
Страница 70: ...PCB diagrams SAMSUNG Proprietary Contents may change without notice 10 2 10 2 Main PCB Bottom View ...
Страница 73: ...PCB diagrams SAMSUNG Proprietary Contents may change without notice 10 5 10 7 Cradle 1 PCB Top View ...
Страница 84: ...SAMSUNG Proprietary Contents may change without notice 11 9 Circuit diagrams 11 9 Cradle 1 Circuit Diagram ...