Panasonic KX-A143EXB, Service Manual

Page: 40 / 113

Items
Adjustment
Point
Procedure* Check
(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: 25 < returned value < 43 (hex) (0x34 ± F (hex))
IC2,IC3,L1,
C75,C69,C48,
C67,C76,C57,
DA1,R66,R67,
R78,R79,C54,
(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 .
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: 300mVrms ± 100mVrms
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,
R18,R16,D3,
R7,R8,Q3,
D2,C1,C2,
L1,C43,C78,
C48,C72,C66,
C57,C73,L3,
DA1,R66,
R67,C55,C56,
C54,C58,C86,
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