Panasonic KX-TCD410ALM, Service Manual

Page: 35 / 109

If your unit have below symptoms, adjust or confirm each item using remedy column from the table.
Symptom Remedy*
The base unit does not respond to a call from handset.
Make adjustments in item (A)~(F
(I)~(M)
The base unit does not transmit or the transmit frequency is off.
Make adjustments in item (A)~(E
(H)~(J), (L)
The transmit frequency is off.
Make confirmation in item (A)~(E
(H)~(J), (L)
The transmit power output is low, and the operating distance between
base unit and handset is less than normal.
Make confirmation in item (H), (K
The reception sensitivity of base unit is low with noise.
Make confirmation in item (K)
The transmit level is high or low.
Make adjustments in item (O)
The reception level is high or low.
Make adjustments in item (N)
The unit does not link.
Make confirmation in item (A)~(M
The unit cannot charge.
Make confirmation in item (P)
* : Refer to Adjustment (Base Unit) ()
14.1. Adjustment (Base Unit)
Please follow the items below when BBIC or EEPROM are replaced.
Items Procedure Check o
Replac
Parts
(A) 2.65V Supply
Confirmation
1. Confirm that the voltage between TP187 and GND is 2.65V ± 0.2V.
IC2, Q8, C
C24, C2
C26,
C27, C3
R33,
R36, D5,
R41, R42,
C40, D4,
C32, C3
C36,
C37
35