33
KX-PRW120W/KX-PRWA10W
9.1.4.
Check Link
9.1.4.1.
Base Unit
Note:
(*1) Refer to
Troubleshooting by Symptom (Base Unit and Charger Unit)
(P.41)
Cross Reference:
Check Point (Base Unit)
(P.41)
Power Supply Circuit
(P.13)
Check around
Power Supply Circuit
.
Adjust VDD1
v
oltage to 1.8
V.
Refer to
Check Point...(B)
.
Does Base Unit make link with normal working
Handset?
Chec
k around X1 and adjust clo
ck frequency.
Refer to
Check P
oint...(G)
.
NO
NO
NO (*1)
NO
YES
YES
YES
YES
YES
NO
NO
NO
Replace with a new Circuit Board.
Is the modulation OK?
Refer to
Check P
oint...(K)
.
Is the voltage of
VDD
3
about
3
.
3
V?
Refer to
Chec
k Point...(A)
.
Is there CMD60 (: DECT Tester)?
Does the RF cloc
k (CLK) oscillate at 10.
3
68 MHz in
Base Unit Test Mode?
Refer to
Check P
oint...(G)
.
Is the v
oltage of VDD1 about 1.8 V?
YES
Is the NTP value OK?
Refer to
Check P
oint...(J)
.
Does Base Unit make link with CMD60 in Base Unit
Test Mode?
Refer to
Check P
oint...(J)
.
NO
YES
Base Unit is OK. Check Handset.
YES
YES
Is the Frequency Offset OK?
Refer to
Check P
oint...(L)
.
NO
OK
NO
NO
Is the Sensitivity Receiver OK?
Refer to
Check Point
...
(M)
.
YES
Is the Power RAMP OK?
Refer to
Check Point
...
(N)
.
Replace with a new Circuit Board.
Summary of Contents for KX-PRW120W
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