![Samsung GT-B7510 Скачать руководство пользователя страница 27](http://html.mh-extra.com/html/samsung/gt-b7510/gt-b7510_service-manual_356680027.webp)
SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-10
This Document can not be used without Samsung's authorization
Check the connection
GSM900 RX LINE
8-3-4. GSM900 RX
CONTINUOUS RX ON
RF INPUT : 62CH
Amplitude : -50dBm
Put more lead solder
@L105,C114,C189,L111,
L110,C113,C115,L107
PAM100 CHECK
@RFS100
≥
-65dBm ?
Put more lead solder RFS100,
L110,C113,C115,L107
Put more lead solder
each terminal
NO
YES
NO
NO
YES
YES
Check the voltage
PAM100 @ C116
≥
3.0V
YES
NO
Put more lead solder
C119,L113,L114,L115,L116
NORMAL CONDITION
catch the channel?
Phone can't catch GSM900 network
END
Does Phone catch
the GSM900 network?
YES
Back to
previous step
Replace Board(PBA)
NO
Содержание GT-B7510
Страница 64: ...www s manuals com ...