Panasonic KX-TG7120FXT Service Manual page 39

9.2.2. Check Point (Charger Unit)
Items
(A) Charging Check
Note:
After the measuring, suck up the solder of TP.
The connection of adjustment equipment is as shown in Adjustment Standard (Charger Unit) (P.54).
Check
Point
1. Connect Charge Contact 12 Ω/2 W resistor between charge+ and charge-.
-
2. Measure and confirm voltage across the resistor is 3.3 V ± 0.2 V.
KX-TG7120BXS/KX-TG7120BXT/KX-TGA711CXS/KX-TGA711CXT
Procedure
39
Check or
Replace Parts
R2, R1
R3, R4