Panasonic KX-TCD430GC Service Manual page 46

Items
(B) VBACK Status
Confirmation
(C) BBIC
Confirmation
(D) Charge Control
Check & Charge
Current Monitor
Confirmation
(E) Charge Detection
* (OFF)
Confirmation
(F) Battery Monitor
* Confirmation &
Adjustment
(Important)
Adjustment
Point
1. Confirm that the voltage between TP18 and GND is 0V ± 0.4V.
-
1. BBIC Confirmation (Execute the command "getchk").
-
2. Confirm the returned checksum value.
Connection of checksum value and program number is shown
below.
1. Apply 6V between TP20(+) and TP21(-) with current limit of PSU to 250mA.
-
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.
1. Stop supplying 6V to TP20(+) and TP21(-).
-
2. Execute the command "charge".
3. Confirm that the returned value is 0x00 (hex).
1. Apply 2.3V ± 0.005V between TP3(+) and TP4(-).
-
2. Execute the command "readbatt".
3. Confirm:
98 < returned value < A8 (Hex)
4. Execute the command "WRTBAT2 XX".
XX: (returned value) - 06 (Hex)
Procedure*
46
Check
IC1,F1,R21
R4,C33,L2
D1,C15,C2
C14,Q1,R3
R2,D2,R22
C26,R16,X1
IC1,X1,C16
IC1,D4,L4,
L5,Q2,Q3,
R6,D2,R22
C26,F1,R21
IC1,D4,L4,
L5,Q2,Q3,
R6,D2,R22
C26,F1,R21
IC1,D4,L4,
L5,Q2,Q3,
R6,D2,R22
C26,F1,R21