Dcs Transmitter - Samsung GT-B7610 Service Manual

Flow Chart of Troubleshooting

9-13. DCS Transmitter

TX ON
(PCL 5 level)
Cell Power : -40dBm
Normal Condition Catch the
channel
MOD100 Pin 2
Yes
Resolder RFS100.C1014,L103,L132,C109
>= 5dBm
No
Check MOD100
Truth Table
Yes
MOD100 Pin 9 Pin 3 : HIGH
>= 5dBm
Pin 4 : HIGH
Pin 5 : LOW
Pin 6: LOW
YES
No
Resolder or change MOD100
Yes
U100 Pin 56
Resolder or change C116
>= 5dBm
No
Check U100 & UCP300
END
9-23
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