Circuit Operation (Charger Unit) - Panasonic KX-TG5771BXS Service Manual

KX-TG5771BXS/KX-TGA570BXS

4.10. Circuit Operation (Charger Unit)

The voltage from the AC adaptor is supplied to the charge circuits. Main charge (130 ~ 220 mA at the Battery) of maximum 7-
hours is started soon after the Handset is placed on the Charger Unit. Then it changes to Trickle charge to prevent from
overcharging.
The route for this is as follows: DC+pin of CN1→R1 ~ R3→CHARGE+pad→Handset→CHARGE-pad→DC-pin of CN1.
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