Panasonic KX-TG6541RUB / KX-TGA651RUB / KX-TGA405RUB Service Manual ▷ View online
33
KX-TG6541RUB/KX-TGA651RUB/KX-TGA405RUB
Cross Reference:
Check Point (Handset) (P.44)
9.1.3.3.
Range Extender
Cross Reference:
Power Supply Circuit (P.9)
Check the RF part (P.34)
Check the RF part (P.34)
Note:
*1 How to adjust +3.0V:
Execute the command "VDA"
Refer to Things to Do after Replacing IC or X'tal (P.63) for Range Extender.
*2 How to adjust the frequency of X501:
To see the frequency, execute the command “SFR“, then check the TP_CKM (IC501-57pin).
To adjust frequency, send command “SFR
Execute the command "VDA"
Refer to Things to Do after Replacing IC or X'tal (P.63) for Range Extender.
*2 How to adjust the frequency of X501:
To see the frequency, execute the command “SFR“, then check the TP_CKM (IC501-57pin).
To adjust frequency, send command “SFR
“until the frequency counter becomes13.824 MHZ±55HZ.
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KX-TG6541RUB/KX-TGA651RUB/KX-TGA405RUB
9.1.4.
Check the RF part
9.1.4.1.
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.
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KX-TG6541RUB/KX-TGA651RUB/KX-TGA405RUB
9.1.4.2.
RF Check Flowchart
Each item (1 ~ 3) of RF Check Flowchart corresponds to Check Table for RF part (P.36).
Please refer to the each item.
Please refer to the each item.
Note:
(*1) Base unit - refer to (G) of Check Point (Base Unit) (P.40)
Handset - refer to (H) of Check Point (Handset) (P.44)
Handset - refer to (H) of Check Point (Handset) (P.44)
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KX-TG6541RUB/KX-TGA651RUB/KX-TGA405RUB
9.1.4.3.
Check Table for RF part
Note:
(*1) Refer to Adjustment Standard (Base Unit) (P.56)
(*2) Refer to Adjustment Standard (Handset) (P.61)
(*2) Refer to Adjustment Standard (Handset) (P.61)
9.1.4.4.
Check Table for Range Extender RF part
Note:
(*3) Adjustment Standard (Range Extender) (P.62)
No.
Item
BU (Base Unit) Check
HS (Handset) Check
1
Link Confirmation Normal
HS, BU Mode: [Normal mode]
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
2
X’tal Frequency confirmation
1. Check X’tal Frequency. (*1)
(10.368 MHz ± 100 Hz)
1. Check X’tal Frequency. (*2)
(10.368 MHz ±100Hz)
3
Range Confirmation Normal
HS, BU Mode: [Normal mode]
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
3. Compare the range of the BU (being
checked) with that of the Regular BU.
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
3. Compare the range of the HS (being
3. Compare the range of the HS (being
checked) with that of the Regular HS.
No.
Item
RE(Range Extender) Check
1
Link Confirmation
HS Mode [Test Mode]
1. Register Regular HS and RE (to be checked) to Regular BU.
2. HS is power ON with “1“, “6“and “#“.
3. Press [Talk] key of the Regular HS to establish link through RE.
2. HS is power ON with “1“, “6“and “#“.
3. Press [Talk] key of the Regular HS to establish link through RE.
2
X
'
tal Frequency confirmation
RE Mode: [Adjustment]
Check X
'
tal Frequency.
(13.824000 MHz ±100 Hz)
3
TX confirmation
Regular HS Mode:
[Test RX Mode]
[Test RX Mode]
RE Mode:
[Test TX_Burst Mode]
[Test TX_Burst Mode]
1. Place Regular HS 15 cm away from a checked RE.
2. Confirm "TXDATA" waveform of RE (*3) and “RXDATA“ waveform of Regular HS by Digital
2. Confirm "TXDATA" waveform of RE (*3) and “RXDATA“ waveform of Regular HS by Digital
Oscilloscope.
4
RX confirmation
Regular HS Mode:
[Test TX_Burst Mode]
[Test TX_Burst Mode]
RE Mode:
[Test RX Mode]
[Test RX Mode]
1. Place Regular HS 15 cm away from a checked RE.
2. Confirm "RXDATA" waveform of RE (*3) and “TXDATA“ waveform of Regular HS by Digital
2. Confirm "RXDATA" waveform of RE (*3) and “TXDATA“ waveform of Regular HS by Digital
Oscilloscope.
5
Range Confirmation Normal
BU, RE Mode: [Normal Mode]
HS Mode: Test mode
HS Mode: Test mode
1. Place Regular HS and RE (to be checked) to Regular BU.
2. HS is power ON with “1“, “6“and “#“.
3. Press [Talk] key of the Regular HS to establish link.
4. Compare the range of the RE (being checked) with that of the Regular RE
2. HS is power ON with “1“, “6“and “#“.
3. Press [Talk] key of the Regular HS to establish link.
4. Compare the range of the RE (being checked) with that of the Regular RE
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