Panasonic KX-A145 Series, Service Manual

Page: 46 / 97

Items Adjustment
Point
Procedure Check or
Replace Parts
(M)* RSSI Level
Confirmation
- Follow steps 1 to 3 of (H) above.
4..Set DECT tester power to -88dBm.
5.Execute the command "readrssi".
6. Confirm: 23 < returned value < 45 (hex)
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
(N)* Receive Audio Check
and Adjustment
ANT
J1
1. Configure the DECT tester (CMD60) as follows;
<Setting>
· Test mode: FP
· Mode: Normal
·
PMID: 0000
2. Execute the command "testmode".
3. Initiate connection from DECT tester.
4. Execute the command "hookoff".
5. Execute the command "openau".
6. Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600
Ω
.
7. Set line voltage to 48V and line current to 40mA.
8. Connect DECT tester to Tel-simulator.
9. Input audio signal (200mVrms/1kHz tone) to Tel-simulator.
<DECT tester setting>
· Scramble: On
·
AF Gen to ADPCM: Off
· AF Meter Input: ADPCM
·
AF Gen Frequency: 1000Hz
· AF Gen Level: 200mVrms
10. Confirm hearing tone: 390mVrms ± 85mVrms
11. Adjust audio level if required. (Make sure current value using "getmicgain". And
then execute the command "setmicgain xx", where xx is the value.)
12. Confirm that the B-field audio distortion with DECT tester is < 5 %.
IC2,C21,R31,
C20,C11,R18,
R16,D3,R12,
Q2,R7,R8,
Q3,R9,R10,
D2,C1,C2,
R77,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,C52,
C81,C82,C83,
C84,C85,C91,
L8,C47
46
KX-TCD450RUM / KX-A145RUM / KX-TCD450R UT / KX-A145RUT