Items
Adjustment
Point
Procedure*
Check or
Replace Parts
(
G
)*
DTMF Generator
Confirmation
-
1. Connect J1 (Telephone Socket) to DTMF tester.
2. Execute the command "hookoff" and "dtmf_up".
3. Confirm that the high frequency (1477.06Hz) group is -3dBm ± 2dBm.
4. Execute the command "dtmf_lo".
5. Confirm that the lowfrequency (852.05Hz) group is -6dBm ± 2dBm.
IC2,R32,C22,
R23,C90,C52,
C14,C13,Q6,
R22,R21,R19,
R20,C12,D2,
C1,C2,R77,
D3,R12,Q2,
R7,R8,R9,
R10,Q3
(
H
)*
Transmitted Power
Confirmation
-
Remove the Antenna before starting step from 1 to 4.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
·
Test mode: FP
·
Traffic Channel: 5
·
Traffic Slot: 4
·
Mode: Loopback
·
PMID: 0000
·
Set the Cable Loss as 5dB.
2. Execute the command "testmode".
3. Initiate connection from DECT tester. (set up connect)
4. Confirm that the NTP value at ANT is 20dBm ~ 25dBm.
IC2,IC3,L1,
C43,C61,C68,
C69,C48,C72,
C66,C67,C65,
C57,C73,L3,
DA1,R66,R67,
C55,C56,R78,
R79,C54,C58,
C80,R38,C81,
C82,C83,C84,
C85,L8,C91,
C47
(
I
)
Modulatoin Check and
Adjustment
ANT
Followsteps 1 to 3 of
(H)
above.
4.Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/div using data
type Fig31.
5.Adjust the B-Field Modulation if required. (Execute the command "readmod"
and "wrtmod xx", where xx is the value.)
IC2,IC3,L1,
C43,C61,C68,
C69,C48,C72,
C66,C67,C65,
C57,C73,L3,
DA1,R66,R67,
C55,C56,R78,
R79,C54,C58,
C80,R38,C81,
C82,C83,C84,
C85,L8,C91
C47
(
J
)
Frequency Offset
Confirmation
-
Followsteps 1 to 3 of
(H)
above.
4.Confirm that the frequency offset is < ± 40kHz.
IC2,IC3,L1,
C43,C61,C68,
C69,C48,C72,
C66,C67,C65,
C57,C73,L3,
DA1,R66,R67,
C55,C56,R78,
R79,C54,C58,
C80,R38,C81,
C82,C83,C84,
C85,L8,C91,
C47
(
K
)
Sensitivity Receiver
Confirmation
-
Followsteps 1 to 3 of
(H)
above.
4.Set DECT tester power to -88dBm.
5.Confirm that the BER is < 1000ppm.
IC2,IC3,L1,
C43,C61,C68,
C69,C48,C72,
C66,C67,C65,
C57,C73,L3,
DA1,R66,R67,
C55,C56,R78,
R79,C54,C58,
C80,R38,C81,
C82,C83,C84,
C85,L8,C91,
C47
(
L
)
Timing Confirmation
-
Followsteps 1 to 3 of
(H)
above.
4.Confirm that the Timing accuracy is < ± 5.0ppm.
IC2,IC3,L1,
C43,C61,C68,
C69,C48,C72,
C66,C67,C65,
C57,C73,L3,
DA1,R66,R67,
C55,C56,R78,
R79,C54,C58,
C80,R38,C81,
C82,C83,C84,
C85,L8,C91,
C47
40
KX-TCD410RUM / KX-TCD410RUS / KX-TCD412RUM / KX-TCD412RUS / KX-A141RUM / KX-A141RUS / KX-A142RUM / KX-A142RUS
