Panasonic KX-TG5631S Service Manual page 59

KX-TG5631S / KX-TG5632M / KX-TG5633B / KX-TGA560S / KX-TGA560M / KX-TGA560B
12.3.1. Charge Circuit
The voltage from the AC adaptor is supplied to the charge circuits. Main charge (130 ~ 220mA at the Battery) of maximum 7-
hours is started soon after the Handset is placed on the Base Unit. Then it changes to Trickle charge to prevent from
overcharging.
Q361 and Q362 detect the ON-HOOK state (Handset is placed on Base Unit).
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