Gsm900 Transmitter - Samsung SGH-ZV50 Service Manual

9-13. GSM900 Transmitter

TX ON (5 Level)
Yes
PAM100 pin#4
>= 1V
Yes
OSC100 pin1
>= 2dBm
Yes
U702(ASM) pin13
>= 20dBm
Yes
C100 >=25dBm
U702(ASM) pin 22
Yes
Check UCP300(MSM)
END
No
No
No
No
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Cheak PMIC
Resolder OSC100
Resolder PAM100
Replace U702(ASM)
9-21
Flow Chart of Troubleshooting