30
KX-PRW120W/KX-PRWA10W
9.1.1.
Check Power
9.1.1.1.
Base Unit
Is the AC Adaptor inserted into AC outlet? (*1)
Cross Reference:
Power Supply Circuit
(P.13)
Note:
(*1) Refer to
Specifications
(P.7) for part number and supply voltage of AC Adaptor.
Is input of IC
3
02 about 5.5 V?
Check C
3
21, C
3
41 are not shorted.
Check AC Adaptor.
Check
Power Supply Circuit
.
Is the output voltage of IC
3
02 about
3
.
3
V?
Does BBIC (IC501: XTAL1) oscillate at 20.7
3
6 MHz?
Check X1.
Check BBIC (IC501).
Is the Collector of Q
3
01 about 1.8 V?
Is BBIC (IC501: RSTn) High?
Check BBIC (IC501).
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
Is the Collector of Q
3
02 about 2.5 V?
YES
NO
NO
NO
Содержание KX-PRW120W
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