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Flow Chart of Troubleshooting
9-34
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9-20. DCS Transmitter
TX ON
(PCL 5 level)
Cell Power : -40dBm
MOD101 Pin 9
>= 5dBm
U101 Pin 56
>= 5dBm
END
Resolder RFS101,C1024,L101
Resolder or change MOD101
MOD101 Pin 2
>= 5dBm
Check MOD101
Truth Table
Pin 3 : HIGH
Pin 4 : HIGH
Pin 5 : LOW
Pin 6: LOW
No
No
No
Yes
Yes
Yes
YES
Resolder or change C118
Check U101 & UCP301
Normal Condition Catch the
channel
Содержание GT-B7620
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