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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

29
KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
10.1.1.
Check Power
10.1.1.1. Base Unit
[Changed from original section “9.1.1.1. Base Unit”]
Is the AC Adaptor inserted into AC outlet? (*1)
Cross Reference:
Power Supply Circuit
Note:
(*1) Refer to Specifications (P.7) for part number and supply voltage of AC Adaptor.
10.1.1.2. Handset
Cross Reference:
Power Supply Circuit/Reset Circuit (P.15)
Che ck BBIC (IC501).
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
Is input of Q301 about 6.5V?
Is the output voltage of VBAT about 3.0 V?
Check C307 are not shorted.
Does BBIC (IC501: 36) oscillate at 13.824 MHz?
Is BBIC (IC501: 54) High?
Is the output voltage of BBIC (IC501:15) about 3.0 V?
Check AC Adaptor.
Check Power Supply Circuit.
Check BBIC (IC501).
c
Check X501.
Check F301 are not open.
NO
Check Power Supply Circuit/Reset Circuit .
Check BBIC (IC5).
Check F1 is not open.
Check X1.
Is the voltage of  BATT+ 2.3 V more?
Check the battery and around BATT+ and
BATT- are not shorted.
Is the battery inserted BATT+ and BATT-?
Does BBIC (IC5 : 10) oscillate at 10.368 MHz?
YES
YES
YES
YES
NO
NO
YES
YES
Is the voltage of +1.8V about 1.8 V?
Is the voltage of CP3V about 3.0 V?
Check BBIC (IC5).
YES
 
Is the voltage of CP_LED about 3.0 V?
(When LED is On)
NO
NO
30
KX-TG2511RUM/KX-TG2511RUN//KX-TG2511RUS/KX-TG2511RUT/KX-TG2512RUN/KX-TG2512RUS/KX-TG2521RUT/KX-TGA250RUM/KX-TGA250RUN/KX-TGA250RUS/KX-TGA250RUT
10.1.2.
Check Battery Charge
10.1.2.1. Base Unit
Cross Reference:
Charge Circuit (P.15)
10.1.2.2. Handset
Cross Reference:
Check Power (P.29)
Charge Circuit (P.15)
10.1.2.3. Charger Unit
Cross Reference:
Power Supply Circuit (P.16)
Check Charge Circuit of Base Unit.
Check Handset.
Plug in the AC Power source.
Charge Handset on Base Unit.
Is the voltage of two charge contacts about
3 V or more?
OK
NO
Check Charge Contacts at 
Base Unit from mechanical point of view.
YES
Is BBIC (IC5: 34) high at charge state?
Check Charge Circuit.
Check Power of Handset.
Is Check Power OK?
NO
NO
YES
Check Power Supply Circuit of Charger Unit.
Check Handset.
Plug in the AC Power source.
Charge Handset on Charger Unit.
Is the voltage of two charge contacts about
3 V or more?
OK
NO
Check Charge Contacts at Charger Unit
from mechanical point of view.
YES
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).
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