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