24
KX-PRX120W/KX-PRXA10W
9.1.1.
Check Power
9.1.1.1.
Check Power (Base Unit)
Is the AC Adaptor inserted into AC outlet? (*1)
Cross Reference:
Note:
(*1) Refer to
(P.6) for part number and
supply voltage of AC Adaptor.
Is input of IC1 about 5.5 V - 8 V?
Check C32, C36 are not shorted.
Check AC Adaptor.
Check Power Supply Circuit.
Is the output voltage of IC2 about 2.85 V?
Does BBIC (IC7: 10) oscillate at 10.368 MHz?
Check X1.
Check BBIC (IC7).
Is the Collector of Q8 about 1.8 V?
Is BBIC (IC7: 62) High?
Check BBIC (IC7).
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is the Collector of Q9 about 2.5 V?
YES
Is the output voltage of BBIC (IC7:44) about 3.0V?
Is the output voltage of BBIC (IC7:43) about 3.0V?
YES
YES
YES
NO
NO
NO