Base Unit - Panasonic KX-TG1711MEB Service Manual

9.1.1. Check Power
9.1.1.1.

Base Unit

Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor's specification.)
Is input of IC2 (pin3) about 5.5V?
Is the output voltage of IC2 (pin2) about 2.65V?
Is C48(RESETQ) High?
Check X1, C23.
Check Career PCB
Cross Reference
Power Supply Circuit (P.8)
9.1.1.2. Handset
Is the battery inserted to Battery Holder?
YES
Is the voltage of battery between battery
and battery 2.3V more?
YES
Is the voltage of VDDDCDC2 about 3.3 V?
YES
Is C109 (VDDBAT) voltage about 2.3V more?
Cross Reference
Power Supply Circuit/Reset Circuit (P.11)
YES
YES
YES
YES YES
NO
+
NO
NO
NO
Check F1 is not opened, C34, C35, C58, C60 is
not shorted.
YES
Check AC Adaptor.
NO
Check Power Supply Circuit.
NO
Check Career PCB.
Check the battery and around Battery Holder are
not shorted.
Check Power Supply Circuit/Reset Circuit.
19
KX-TG1711MEB/KX-TG1712MEB/KX-TGA171MEB