Melody Not Ringing - Pantech G510 Service Manual

G510 Service Manual

6.2.6 Melody not ringing

1.Check to see if U105.7 , 32 is 2.8V_EXT : CP134
2.Check to see if U105.15 is Vbat : CP135
3.Check U105.Nos 12, 13 and 14 pin for wave form : CP136
NO Check that R175, R177, R31, C196, C197 cold solder,broken,short to the other
PCB pattern or not
If you find out any defect, you replace it
4.Check SPK No. SPOUT1 and SPOUT2 for wave form : CP137
NO Replacd SPK
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CP131
34
PANTECH
CP130
CP131
CP132
CP133
R&D CONFIDENTIAL
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CP132
`
CP130
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CP133