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KX-TG6841BXB/KX-TGA680BXB
10.1.1. Check Power
10.1.1.1. Base Unit
Cross Reference:
Power Supply Circuit/Reset Circuit
Note:
BBIC is IC501.
(*1) Refer to
(P.7) for part number and
supply voltage of AC adaptor.
(*2) Refer to
Circuit Board (Base Unit_Main)
10.1.1.2. Handset
Cross Reference:
Power Supply Circuit/Reset Circuit
Is the AC Adaptor inserted into AC outlet? (*1)
Is output voltage of AC adaptor 5.5 V?
YES
Check
AC Adaptor.
Check VDDC (1.2 V): Test Point [VDDC]
OK
Check
Power Supply Circuit
.
NO
NO
NO
NO
RSTN: Reset = "High"?
YES
Check
Reset Circuit
.
Check Xtal CLK = 13.824 MHz?
YES
Check X501.
Check BBIC.
Check
Power Supply Circuit/Reset Circuit
.
Check X1, C52, C53.
Is the voltage of TP 3.0 V about 3.0 V?
Is the voltage of TP-VBAT 2.3 V more?
Check the battery and around BATT+ and
BATT- are not shorted.
Is the battery inserted to BATT+ and BATT-?
Does BBIC (IC1: 36) oscillate at 13.824 MHz?
YES
YES
YES
NO
NO
NO
Is the voltage of TP VDDC about 1.2 V?
NO
YES
Check BBIC (IC1).
YES
Содержание KX-TG6841BXB
Страница 50: ...50 KX TG6841BXB KX TGA680BXB Ԛ ԛ Attach the LCD and fix by hook A two points Solder the wires A A ...
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Страница 85: ...85 KX TG6841BXB KX TGA680BXB 16 3 Accessories A1 A2 A3 ...