Oscillation Check - Pantech GB310 Service Manual

GB310 Service Manual

6.1.2 Oscillation CHECK

1. Check to see if U101 No. A3 and B3 pin is oscillated(32.768KHz) : CP107
NO Check R141 and then replace X101
CP107
CP107
2. Check to see if U101.L12 pin Master Clock(13MHz). : CP108
NO Check TP116, C137 pin and then check the PCB pattern, soldering
CP108
CP108
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