Panasonic KX-TCD420BXM

Items
Adjustment
Point
Procedure
Check
Replace
Parts
(B) VBACK Status
Confirmation
-
1. Confirm that the voltage between TP18 and GND is 0V ± 0.4V.
IC1,F1,R21,
R4,C33,L2,
D1,C15,C2,
C14,Q1,R3,
R2,D2,R22,
C26,R16,X1,
C16,C17
(C) BBIC
Confirmation
-
1. BBIC Confirmation (Execute the command "getchk").
2. Confirm the returned checksum value.
Connection of checksum value and program number is shown
below.
IC1,X1,C16,
C17
(D) Charge Control
Check & Charge
Current Monitor
Confirmation
-
1. Apply 6V between TP5(+) and TP6(-) with current limit of PSU to 200mA.
2. Confirm that the charge current is ON/OFF.
3. SW to decrease current limit of PSU to 100mA.
4. Confirm that the charge current is stable.
IC1,D4,L4,
L5,Q2,Q3,
R6,D2,R22,
C26,F1,R21,
R4,C33
(E)
*
Charge Detection
(OFF)
Confirmation
-
1. Stop supplying 6V to TP5(+) and TP6(-).
2. Execute the command "charge".
3. Confirm that the returned value is 0x00 (hex).
IC1,D4,L4,
L5,Q2,Q3,
R6,D2,R22,
C26,F1,R21,
R4,C33
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1/2/2015
Digitized in Heiloo, Holland