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2-2-2. EGSM Transmitter
Tx ON
(Level : 5)
battery voltage : 3.8V
CON800 Check
Pin #2 ≥ 30dBm ?
YES
U801 Check
Pin #3 ≥ 30dBm ?
YES
U600 Check
Pin #8 ≥ 30dBm ?
YES
OSC600 Check
Pin #1 ≒ 6dBm ?
YES
U601 Check
Pin#37 ≤ 2.3V ?
YES
THE END
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
SGH-Z130 Flow Chart of Troubleshooting and Circuit Diagrams
NO
Check the CON800
NO
U801
Resolder or Change
NO
U600 Resolder or Change
NO
OSC600 Resolder or
change
NO
Check the U601
2- 19
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