Dcs Receiver - Samsung SGH-E360 Service Manual

7-16. DCS Receiver

RX ON
RF input : 698CH
Amp : -50dBm
Yes
LMSP54HA-350 Pin8
>= -65dBm
Yes
LMSP54HA-350
pin1, pin2 >= -65dBm
Yes
U102
pin34 >= -70dBm
pin35 >= -70dBm
Yes
U102 pin7,8,9,10
>= 1V
Yes
C140, C141
>= 1V
Yes
Check UCP200
END
No
Resolder RFS101, C106
No
No
Resolder C112, C115, L110
No
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Check Module1
pin9,pin10,pin12 = L
Yes
Check U102
pin28,pin31 >=2.7V
Yes
7-33
Flow Chart of Troubleshooting
No
Check ANT Switch
control circuit
Resolder LMSP54HA-350
No
Check & Resolder
U102, R108 R107
RF26MHz, RF PSU Part
Resolder U102