Audio Part ( Earpiece, Hands-Free Earphone, Microphone, Hands-Free Mic ); N Oreceiving Tone Heard (Earpiece ) - Pantech GB310 Service Manual

GB310 Service Manual

6.2 Audio Part ( Earpiece, Hands-free Earphone, Microphone, Hands-free Mic )

6.2.1 No receiving tone heard ( Ear-piece )
1.DTMF,BEEP TONE: Check U102.J15 and K15(C130,C132,C169,C170) pins (Ear Signal) for
waveform : CP113 NO Replace U102.
2.VOICE,BELL TONE : Check U104.17,18 and C211,C212 pins for waveform. : CP114
NO Replace U104.
CP113
CP114
CP113
CP114
1
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