38
KX-TGH260/KX-TGH262/KX-TGH263/KX-TGH264/KX-TGHA20/KX-TGA20
10.1.5.2. Handset
Cross Reference:
Power Supply Circuit/Reset Circuit
(P.22)
Check the RF part
(P.39)
Note:
Refer to
Things to Do after Replacing IC or X'tal
(P.53)(P.59) for Handset.
(*1) How to adjust the frequency of X1.
Check around
Power Supply Circuit/Reset Circuit
.
Does Handset link with Base Unit?
(Properly working unit)
Check around X1 and RF module and adjust
clock frequency.(*1)
NO
NO
NO
NO
Is the voltage of TP VBAT a
b
out 2.2~2.
8
V?
Is the voltage of +1.
8
V a
b
out 1.
8
V?
YES
YES
YES
Does the RF clock (CLK) oscillate: 10.
3
6
8
MHz
in Handset Test Mode?
Handset is OK. Check Base Unit.
YES
Check the RF part
Check the
b
atteries.
