Panasonic KX-TG6561BXT Service Manual page 28

KX-TG6561BXT/KX-TGA651BXT
9.1.1. Check Power
9.1.1.1. Base Unit
Is the AC Adaptor inserted into AC outlet? (*1)
Is the AC Adaptor inserted into AC outlet? (*1)
Is output voltage of AC adaptor 6.5 V?
Check VDDC (1.2 V): Test Point [VDDC]
RSTN: Reset = "High"?
Check Xtal CLK = 13.824 MHz?
Check BBIC.
Cross Reference:
Power Supply Circuit/Reset Circuit (P.10)
9.1.1.2. Handset
Is the battery inserted BATT+ and BATT-?
Is the voltage of BATT+ 2.3 V more?
Is the voltage of " 1.8V" about 1.8 V?
Is the voltage of CP3.0V about 3.0V?
Is the voltage of CP4.0V about 4.0V?
Does BBIC (IC1: 10) oscillate at 10.368 MHz?
Check BBIC (IC1).
Cross Reference:
Power Supply Circuit/Reset Circuit (P.16)
YES
OK
YES
YES
YES
YES
YES
YES
YES
YES
NO
AC Adaptor.
Check
NO
Check Power Supply Circuit.
NO
Check Reset Circuit.
NO
Check X501.
Note:
BBIC is IC501.
(*1) Refer to Specifications (P.6) for part number and
supply voltage of AC adaptor.
NO
Check the battery and around BATT+ and
BATT- are not shorted.
NO
Check Power Supply Circuit/Reset Circuit.
NO
Check BBIC (IC1).
NO
Check X1.
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