PG-1210 Service Manual
6.2.6 Melody not ringing
1. Check to see if C301, C303 is Vbat : CP121
2. Check to see if C302, C300 is 2.8 V : CP122
3. Check U301.12, 13, 14 pin for waveform: CP123
NO Check that C306, R301,R302, C307and R303 cold solder, broken, short to the other
PCB pattern or not
Check U301 17, 18 pin SPOUT1,SPOUT2 for waveform : NO replace SPK.
32
PANTECH
CP122
CP121
CP123
CP123
CP121
CP122
