Check Link - Panasonic KX-TG8421FXB Service Manual

9.1.3.

Check Link

9.1.3.1. Base Unit
Note:
(*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.48)
Cross Reference:
Check Point (Base Unit) (P.48)
Power Supply Circuit (P.9)
KX-TG8421FXB/KX-TG8421FXN/KX-TGA840FXB/KX-TGA840FXN
39