Panasonic KX-TG3661JXM Service Manual page 25

10.1.1. Check Power
BASE UNIT
Is the AC Adaptor inserted into AC outlet? (*1)
Check Vin (DC+ - DC-) voltage 6.5V more?
Check +5.0V voltage 5.0V more?
Check BB3.0V of BBIC?
Check BB1.8V voltage 1.75V more ?
Check Xtal CLK=10.368MHz?
(IC9: 18pin But output signal is burst output.)
Check key pcb connect & LCD connect.
Check IC9: BBIC.
Cross Reference:
Power Supply Circuit (P.11)
Note:
(*1) Refer to Specifications (P.6) for part number and supply voltage of AC adaptor.
Flash Memory is IC13.
DSP is IC9.
YES
YES
YES
YES
YES
YES
KX-TG3661JXM/KX-TG3662JXM/KX-TG3668JXM/KX-TG3669JXM/KX-TGA365JXM
NO
AC Adaptor.
Check
NO
Check Power Supply Circuit.
NO
Check VBAT2 voltage.
NO
Check IC9: BBIC.
NO
Check X1.
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