Panasonic KX-TCD410AXM - Page 45

Symptom Remedy*
The movement of Battery Low indicator is wrong.
Make confirmation in item (A)~(
C
(F)~(G)
The handset does not respond to a call from base unit.
Make adjustments in item (A)~(
C
(H), (J)~(N)
The handset does not transmit or the transmit frequency is off.
Make adjustments in item (A)~(
C
(H)~(K), (M)
The transmit frequency is off.
Make confirmation in item (A)~(
C
(H)~(K), (M)
The transmit power output is low, and the operating distance between
base unit and handset is less than normal.
Make confirmation in item (I), (L
)
The reception sensitivity of base unit is low with noise.
Make confirmation in item (L)
Does not link between base unit and handset.
Make confirmation in item (A)~(
C
(H)~(N)
The reception level is high or low.
Make adjustments in item (O)
The transmit level is high or low.
Make adjustments in item (P)
* : Refer to
Adjustment ()
15.1. Adjustment
Please follow the items below when BBIC or EEPROM are replaced.
Items
Adjustment
Point
Procedure Check
Repla
c
Part
s
(A
)
4.0V Supply
Confirmation
-
1. Confirm that the consumption current is < 200mA , that is, there is no short circuit.
2. Confirm that the voltage between TP14 and GND is 4.1V ± 0.2V.
IC1,
F
R21
,
R4, C
3
L2,
D1, C
1
C2,
C14,
Q
R3,
R2, D
R22
,
C26,
X
C16
,
C1
7
45
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11/8/2014
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