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GX30
2 – 59
CONFIDENTIAL
11. Out of range and incoming/outgoing calls are impossible.
[Checkpoints in RF Test Tool]
Is transmission possible using RF Test Tool?
Is voltage (applox. 2.9 V) supplied to pin 6 of IC804?
IC804 is defective.
Is IQ signal supplied to pins 23, 24, 25, and 26 of IC801?
IC103, IC106, or PWB is defective.
Is frequency signal sent?
GSM850/GSM900 bands ......... IC801 pin 17
DCS1800/PCS1900 bands ...... IC801 pin 19
IC801 is defective.
Is frequency signal supplied?
GSM850/GSM900 bands ........ FL803 pin 15
DCS1800/PCS1900 bands ..... FL803 pin 13
IC802 is defective.
Is frequency signal supplied to pin 1 of FL905?
FL803 is defective.
Is frequency signal supplied to pin 1 of J801?
FL905 is defective.
J801 is defective.
[Receiver]
–70 dBm input.
Is frequency signal supplied?
GSM850/GSM900 bands ............. IC801 pins 9, 10
DCS1800 band ............................ IC801 pins 6, 7
PCS1900 band ............................ IC801 pins 3, 4
IC801 is defective.
Is frequency signal supplied?
GSM850 band ..............................FL904 pins 9, 10
GSM900 band...............................FL904 pins 6, 7
DCS1800/PCS1900 bands ......... Go to the next step.
FL904 is defective.
Is frequency signal supplied?
GSM850 band ................................ FL901 pin 1
GSM900 band ................................ FL902 pin 9
DCS1800 band ............................... FL902 pin 6
PCS1900 band ............................... FL903 pin 1
FL901, FL902, or FL903 is defective.
Is frequency signal supplied to pin 9 of FL803?
FL803 is defective.
FL905 or J801 is defective.
YES
NO
[Sender]
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
NO
Содержание GX30
Страница 6: ...GX30 1 4 CONFIDENTIAL 12 New Messages Download Games News Sport ...
Страница 7: ...GX30 1 5 CONFIDENTIAL 1 3 6 3 3 7 5 ...
Страница 8: ...GX30 1 6 CONFIDENTIAL MEMO ...
Страница 91: ...GX30 5 4 CONFIDENTIAL VSYNC Stand by C760 SUBFLM Stand by L711 1Pin 16 17 TCXOEN Stand by IC804 1Pin 18 ...
Страница 120: ...GX30 5 33 CONFIDENTIAL MEMO ...
Страница 150: ...GX30 6 30 CONFIDENTIAL MEMO ...
Страница 165: ...GX30 15 INDEX MEMO ...