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33
KX-TG8162ALB/KX-TG8163ALB/KX-TGA815AZB
9.1.3.2.
Handset
Note:
(*1) Refer to
Troubleshooting by Symptom (Handset)
Cross Reference:
Power Supply Circuit/Reset Circuit
Check around
Power
S
upply Circuit/Re
s
et Circuit
.
Check BBIC (IC1)
Does Handset make link with Base Unit?
(Correct working unit)
Check around X1 and adjust clock frequency.
Refer to
Check Point...(H)
.
NO
NO
NO
NO (*1)
NO
Is the voltage of "1.8V" about 1.8 V?
Refer to
Check Point...(A)
.
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
Replace with a new Circuit Board.
Is the voltage of CP3V about 3.0 V?
Refer to
Check Point...(P)
.
Does the RF clock (CLK) oscillate: 10.368 MHz
in Handset Test Mode?
Refer to
Check Point...(H)
.
YES
Is the voltage of CP2.8V about 2.8 V?
Refer to
Check Point...(R)
.
Is the NTP value OK?
Refer to
Check Point...(I)
.
Does Handset make link with CMD60 in
Handset Test Mode?
Refer to
Check Point...(I)
.
NO
Handset is OK. Check Base Unit.
YES
OK
Is there CMD60 (: DECT Tester)?
NO
NO
NO
YES
Is the modulation OK?
Refer to
Check Point...(J)
.
YES
Is the Frequency Offset OK?
Refer to
Check Point...(K)
.
Adjust 1.8V voltage to 1.8 V.
Refer to
Check Point...(A)
.
...
Continued to the next page.
Is the voltage of CP_LED about 4.0 V?
(When LED is ON)
Refer to
Check Point...(Q)
.