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GX30
2 – 51
CONFIDENTIAL
Hands free kit (Headset)
(The following procedure applies to both monaural and stereo headsets.)
Replace the hands free kit.
Is the signal sent?
Hands free kit is defective.
R104A, R112, and V101 are defective.
Is 0.7 - 1.8 V applied to JK101 pin 2?
Is 0.7 - 1.8 V applied to TP120?
Is 2.4 - 2.5 V applied to TP176?
R122 is defective.
Is 2.4 - 2.5 V applied to IC103 pin 76?
R115 and C108 are defec-
tive.
IC103 is defective.
Is approx. 1.7 V applied to IC103 pin 79?
Is approx. 1.7 V applied to IC103 pin 95?
R262 and R129 are defec-
tive.
IC103 is defective.
Is the voltage 0 V on R192 (IC106 pin 89 side)?
Jack JK101 is defective, or the jack plug is in a poor contact
with hands free kit (Handset mode is set.)
Replace C127 or C134. Is the problem solved?
C127 or C134 is defective.
Replace JK101. Is the problem solved?
JK101 is defective, or the jack plug pin 2 is in a poor contact
with hands free kit.
IC103 and IC106 are defective.
YES
NO
NO
YES
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
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YES
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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 ...