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GX30
2 – 64
CONFIDENTIAL
16. SIM card is not recognized.
Replace the SIM card. Is it recognized?
SIM card is defective or not the one specified.
Hereafter, check the signal waveform of each SIM when the power is turned on
without a SIM card inserted.
(SIM signal waveform appears for approx. 70 ms after the power is turned on.)
Is 2.85 V supplied from pins 1, 2, and 6 of the SIM card?
And is periodic pulse wave (3.25 MHz) sent from pin 3 of the
SIM card?
The contact point of the SIM card connector is deformed or
dirty.
Replace C210 or C159.
Is 2.85 V supplied from CN104 pin 28?
Are C210 and C159 good in appearance and mounted prop-
erly?
IC103 is defective.
Replace R195 or C216.
Is 2.85 V supplied from CN104 pin 30?
Are R195 and C216 good in appearance and mounted prop-
erly?
IC106 is defective.
Replace R164 or C217.
Is periodic pulse wave sent from CN104 pin 31?
Are R164 and C217 good in appearance and mounted prop-
erly?
IC106 is defective.
Replace R163, R249, or C218.
Is 2.85 V supplied from CN104 pin 27?
Are R163, R249, and C218 good in appearance and mounted
properly?
CN104 or SD/SIM FPC is defective.
IC106 is defective.
YES
NO
YES
NO
NO
NO
YES
YES
NO
NO
YES
YES
NO
NO
YES
YES
NO
NO
YES
YES
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 ...