Panasonic KX-TG6440PK Service Manual page 60

KX-TG6440PK/KX-TGA641S/KX-TGA641T/KX-TGA740B
10.1.6.3. Check Table for RF part
No. Item
1 Link Confirmation Normal
HS, BU Mode [Normal Mode]
2 Control signal confirmation
HS, BU Mode: [Normal Mode] (*1)
3 '
X tal Frequency confirmation (*7)
HS, BU Mode: [Adjustment] (*4)
4 TX confirmation
Regular HS (BU) Mode:
[Test RX Mode]
BU (HS) Mode:
[Test TX_Burst Mode]
5 RX confirmation
Regular HS (BU) Mode:
[Test TX_Burst Mode]
BU (HS) Mode:
[Test RX Mode]
6 Range Confirmation Normal
HS, BU Mode: [Normal Mode]
Note:
(*1)(*4) Adjustment and Test Mode Flow Chart (P.43)
(*2)(*3) RF-DSP Interface Signal Wave Form (P.62)
(*5) Handset Reference Drawing (P.72)
(*6) Base Unit Reference Drawing (P.71)
(*7) Things to Do after Replacing IC or X'tal (P.70)
BU (Base Unit) Check
1. Register Regular HS to BU (to be
checked).
2. Press [Talk] key of the Regular HS to
establish link.
Check DSP interface. (*2)
'
Check X tal Frequency.
(13.824000 MHz ±100 Hz)
1. Place Regular HS 15 cm away from a
checked BU.
2. Confirm "TXDATA" waveform of BU (*6)
and "RXDATA" waveform of Regular HS by
Digital Oscilloscope.
1. Place Regular HS 15 cm away from a
checked BU.
2. Confirm "RXDATA" waveform of BU (*6)
and "TXDATA" waveform of Regular HS by
Digital Oscilloscope.
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.
60
HS (Handset) Check
1. Register HS (to be checked) to Regular
BU.
2. Press [Talk] key of the HS to establish link.
Check DSP interface. (*3)
Check signal at power-on.
'
Check X tal Frequency.
(13.824000 MHz ±100 Hz)
1. Place Regular BU 15 cm away from a
checked HS.
2. Confirm "TXDATA" waveform of HS (*5)
and "RXDATA" waveform of Regular BU by
Digital Oscilloscope.
1. Place Regular BU 15 cm away from a
checked HS.
2. Confirm "RXDATA" waveform of HS (*5)
and "TXDATA" waveform of Regular BU by
Digital Oscilloscope.
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
checked) with that of the Regular HS.