Table of Contents
Advertisement
SGH-Z510 Flow Chart of Troubleshooting and Circuit Diagrams
2-2-7. WCDMA Transmitter
Tx On
RF Input: 9750 CH
Out Power:24dBm
(Tx AGC 400)
YES
RFS800( RF Connector)
Pin #2 ≥20dBm ?
YES
U800(Antenna Switch Module)
Pin#20 ≥20dBm ?
YES
DUF700(Duplexer)
Pin #8 ≥20dBm ?
YES
PAM700(UMTS PAM)
Pin #8 ≥ 20dBm ?
YES
F700(UMTS Tx Saw)
Pin #3 ≥ -2dBm ?
YES
U600(RTR6250)
Pin #51 ≥ -2dBm ?
YES
Check C616 & C619
(TX IQ signal)≥1V ?
YES
END
This Document can not be used without Samsung's authorization
Resolder or Change
NO
NO
Check C703
NO
Resolder or Change
NO
Check PAM700 Pin#4 = High ?
Resolder or Change PAM700
Check C705,
NO
Resolder or Change
NO
Check the path of U600
Check & Resolder
NO
UCP100(MSM6250A)
SAMSUNG Proprietary-Contents may change without notice
RFS800
YES
Resolder or Change
Check U800
Pin#26,28=HIGH,
#27= LOW ?
Check Antenna Switch Module
NO
DUF700
F700
2-35
U800
Control Path
Advertisement
Table of Contents
