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Model
KX-TG2511RUM KX-TG2511RUN KX-TG2511RUS KX-TG2511RUT KX-TG2512RUN KX-TG2512RUS KX-TG2521RUT KX-TGA250RUM KX-TGA250RUN KX-TGA250RUS KX-TGA250RUT
Pages
83
Size
3.56 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
Provideo / DIGITAL CORDLESS ANSWERING SYSTEM
File
kx-tg2511rum-kx-tg2511run-kx-tg2511rus-kx-tg2511ru.pdf
Date
PREV: Panasonic KX-TG2511RUM / KX-TG2511RUN / KX-TG2511RUS / KX-TG2511RUT / KX-TG2511RUW / KX-TG2511CAM / KX-TG2511CAS / KX-TG2511CAT / KX-TG2512RU1 / KX-TG2512RU2 / KX-TG2512RUN / KX-TG2512RUS / KX-TG2512CAM / KX-TG2512CAT / KX-TG2521RUT / KX-TG2521CAT / KX-TG8041RUM / Service Manual / Supplement

Panasonic KX-TG2511RUM / KX-TG2511RUN / KX-TG2511RUS / KX-TG2511RUT / KX-TG2512RUN / KX-TG2512RUS / KX-TG2521RUT / KX-TGA250RUM / KX-TGA250RUN / KX-TGA250RUS / KX-TGA250RUT Service Manual / Supplement ▷ View online

31
KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
10.1.3.
Check Link
10.1.3.1. Base Unit
Note:
(*1) Refer to Troubleshooting by Symptom (Base Unit and Charger Unit) (P.39)
Cross Reference:
Check Point (Base Unit) (P.39)
Power Supply Circuit (P.12)
Check around Power Supply Circuit.
Adjust +3.0V voltage to 3.0 V. 
Refer to Check Point...(B).
Does Base Unit make link with normal working
Handset? 
Check around X501 and adjust clock frequency.
Refer to Check Point...(E) .
NO
NO
NO (*1)
NO
YES
YES
YES
YES
YES
NO
NO
NO
Replace with a new Circuit Board.
Is the modulation OK? 
Refer to Check Point...(I) .
Is the voltage of VBAT about 3.0 V?
Refer to Check Point...(A).
Is there CMD60 (: DECT Tester)?
Does the RF clock (CLK) oscillate at 13.824 MHz in
Base Unit Test Mode?
Refer to Check Point...(E) .
Is the voltage of +3.0V about 3.0 V?
YES
Is the NTP value OK? 
Refer to Check Point...(H).
Does Base Unit make link with CMD60 in Base Unit 
Test Mode?
Refer to Check Point...(H).
NO
YES
Base Unit is OK. Check Handset.
YES
YES
Is the Frequency Offset OK? 
Refer to Check Point...(J) .
NO
OK
NO
NO
Is the Sensitivity Receiver OK?
Refer to Check Point...(K).
YES
Is the Power RAMP OK?
Refer to Check Point...(L) .
Replace with a new Circuit Board.
32
KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
10.1.3.2. Handset
Note:
(*1) Refer to Troubleshooting by Symptom (Handset) (P.41)
Cross Reference:
Check Point (Handset) (P.41)
Power Supply Circuit/Reset Circuit (P.15)
Check around Power Supply Circuit/Reset Circuit .
Check BBIC (IC5)
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).
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 1.8V voltage to 1.8 V.
Refer to 
Check Point...(A).
... Continued to the next page.
Is the voltage of CP_LED about 3.0 V? 
(When LED is ON)
Refer to Check Point...(Q).
33
KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
Cross Reference:
Check Point (Handset) (P.41)
NO
NO
Is the Sensitivity Receiver OK?
Refer to Check Point...(L).
YES
YES
Is the Power RAMP OK?
Refer to Check Point...(M).
Replace with a new Circuit Board.
...
34
KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
10.1.4.
Check the RF part
10.1.4.1. Finding out the Defective part
After All the Checkings or Repairing
1. Re-register the checked Handset to the checked Base Unit, and Regular HS to Regular BU.
Note:
If you need to register a handset, refer to Registering a Handset to a Base Unit in the Operating Instructions.
1. Prepare Regular HS (Handset) and Regular BU (Base unit).
2. a. Re-register regular HS (Normal mode) to Base Unit (to be checked).
        If this operation fails in some ways, the Base Unit is defective.
    b. Re-register Handset (to be checked) to regular BU (Normal mode). 
        If this operation fails in some ways, the Handset is defective.
Base Unit is defective
Handset is defective
START
Registration of 
Regular HS to
Base Unit
Registration of 
Handset to
Regular BU
(other checkings)
Registration of Handset to Base Unit 
(checked ones)
Registration of Regular HS to Regular BU
Yes
No
No
Yes
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