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SAMSUNG Proprietary-Contents may change without notice
SGH-Z510 Flow Chart of Troubleshooting and Circuit Diagrams
2-
29
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2-2-4. GSM Transmitter
Tx On
Tx Level: 5
RFS800( RF Connector)
Pin #3
≥
30dBm ?
U800
(Antena Switch Module input)
Pin#13
≥
30dBm ?
YES
PAM600 (GSM PAM)
Pin #11
≥
30dBm ?
VCO600(Dual Tx VCO)
Pin #1
≒
6dBm ?
Check C616 & C619
(TX IQ signal)
≥
1V
YES
YES
YES
YES
NO
Check UCP100(MSM6250A)
END
Check Loop Filter circuit
(R612,R613,C626,C627,C629)
NO
Resolder or Change
RFS800
Resolder or Change
U601
Check C609
Resolder or Change PAM600
Resolder or Change
U800
U801
Pin#26=H Pin27=
H Pin4=L?
Check Antenna Switch Module
Control Path
NO
YES
NO
NO
NO
YES
Summary of Contents for SGH-Z510
Page 63: ...6 1 6 SGH Z510 Block Diagrams ...
Page 64: ...SGH Z510 Block Diagrams 6 2 ...