Read Panasonic KX-PRW110UAW / KX-PRWA10RUW Service Manual online
27
KX-PRW110UAW/KX-PRWA10RUW
9.1.1.2.
Handset
Cross Reference:
Power Supply Circuit/Reset Circuit (P.14)
9.1.2.
Check Wi-Fi
Is the AC Adaptor inserted into AC outlet?(*1)
Note:
(*1) Refer to Specifications (P.7) for part number and supply voltage of AC Adaptor.
Check Power Supply Circuit/Reset Circuit .
Check BBIC (IC1).
Check P1 is not open.
Check X1.
Is the voltage of BATT+ 2.3 V more?
Check the battery and around BATT+ and
BATT- are not shorted.
BATT- are not shorted.
Is the battery inserted BATT+ and BATT-?
Does BBIC (IC1: G1) oscillate at 20.736 MHz?
YES
YES
YES
YES
NO
NO
YES
YES
Is the voltage of +1.8V about 1.8 V?
Is the voltage of +3.0 V about 3.0 V?
Check BBIC (IC1).
YES
Is the voltage of LED+ about 9.0 V?
(When LED is On)
(When LED is On)
NO
NO
NO
Check around L3, Q8, BBIC (IC1) .
YES
NO
Is the voltage of +3.4V about 3.4 V?
Check Power Supply Circuit.
Is the voltage testpoint 1.5V about 1.5V?
Below 1.5V
Replace IC800
Over 1.5V
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