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SAMSUNG Proprietary-Contents may change without notice
Level 3 Repair
8-14
This Document can not be used without Samsung's authorization
Check the connection
WCDMA2100 RX LINE
8-3-8. WCDMA Band 1 RX
Put more lead solder
L132,C147,L124,L133,L126
C148,C149, C179, L130,
C180,L128,L129
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
Phone can't catch WCDMA2100 network
NORMAL CONDITION
catch the channel?
END
Does Phone catch
WCDMA2100 network?
YES
Back to
previous step
Replace Board(PBA)
NO
Put more lead solder
@L105,C114,C189,L111,
L110,C113,C115,L107
CONTINUOUS RX ON
RF INPUT : 10700CH
Amplitude : -50dBm
Содержание GT-B7510
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