33
KX-TG6561BXT/KX-TGA651BXT
9.1.5.2.
Handset
Note:
(*1) Refer to
Troubleshooting by Symptom (Handset)
Cross Reference:
Power Supply Circuit/Reset Circuit
Check around
Power Supply Circuit/Reset Circuit
.
Check BBIC (IC1)
Does Handset make link with Base Unit?
(Correct working unit)
Check around X1 and IC801 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
NO
NO
NO
Replace with a new Circuit Board.
Is the voltage of CP3.0V about 3.0 V?
Refer to
Check Point...(Q)
.
Does the RF clock (CLK) oscillate: 10.368 MHz
in Handset Test Mode?
Refer to
Check Point...(H)
.
YES
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
YES
Is the modulation OK?
Refer to
Check Point...(J)
.
YES
Is the Frequency Offset OK?
Refer to
Check Point...(K)
.
Adjust C10 voltage to 1.8 V.
Refer to
Check Point...(A)
.
...
Continued to the next page.
Is the voltage of CP4.0V about 4.0 V?
Refer to
Check Point...(R)
.
Содержание KX-TG6561BXT
Страница 73: ...73 KX TG6561BXT KX TGA651BXT Memo ...
Страница 76: ...76 KX TG6561BXT KX TGA651BXT Memo ...
Страница 85: ...85 KX TG6561BXT KX TGA651BXT 15 3 Accessories A1 A2 ...
Страница 90: ...90 KX TG6561BXT KX TGA651BXT RAD KXTG6561BXT KXTGA651BXT ...