Read Panasonic KX-TG1711RUB / KX-TG1711RUJ / KX-TG1711RUW / KX-TGA171RUB / KX-TGA171RUJ / KX-TGA171RUW (serv.man3) Service Manual Supplement online
8
3.2.
Troubleshooting Guide
3.2.1.
Check Power
[Changed from original section "9.1.1. Check Power"]
3.2.1.1.
Base Unit
Is the AC Adaptor inserted into AC outlet? (Check AC Adaptor’s specification.)
Cross Reference
Power Supply Circuit (P.5)
Is input of IC2 (pin3) about 5.5V?
Check F1 is not opened, C34, C58, C40 is
not shorted.
not shorted.
Check AC Adaptor.
Check Power Supply Circuit.
Is the output voltage of IC2 (pin2) about 2.65V?
Check X1, C23.
Check IC3.
Is C48(RESETQ) High?
Check IC3.
YES
YES
YES
YES
YES
YES
NO
NO
NO
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