Pantech G200 Service Manual page 34

Gsm cellular phone
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G200 Service Manual
6.2.2 No Receivng tone heard ( Hands-free Earphone )
1.Check to see if U102 Nos. F10.A9 and J8(C118. C119. C120) is 2.55V_A: CP118
2.Check to see if 102 No. A7(C124) is around 1.2V : CP119
3.Check to see if U101 No. B11(V156) is around 0V: CP123
NO
Check to see J106 : CP124
Set to HP8922M to connect a call and then set to 1Khz.
4.Check Hands-free Earphone
CP121
33
PANTECH
CP118
CP120
CP119
R&D CONFIDENTIAL

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