SAMSUNG Proprietary-Contents may change without notice
6-6
Troubleshooting
6-2 Transmitter Section
Abormal
transmitter
section
Check Tx PLL
OK?
Check Tx
Power level.
OK?
Check U305
Out level.
OK?
Check U306
Out level
Check U304
Tx IF level
Check U304
Local Input level
Yes
No
No
CDMA: -30dBm
SPAN 5MHz
Tx VCO:270.76MHz
IF:130.38MHz
CDMA: -12dBm
CDMA: -2dBm
CDMA: +23dBm
No
Yes
Yes
No
Yes
969.96MHz
CH:486
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 ...