Panasonic KX-A143EXB, Service Manual, Page: 45 / 113

Items
Adjustment
Point
Procedure* Check
(G) Battery low
Confirmation
(Important)
-
1. Apply 2.40V between TP3(+) and TP4(-).
2. Confirm that there is no Speaker sound (Battery low alarm).
3. Apply 2.20V between TP3(+) and TP4(-).
4. Confirm that there is Speaker sound (Battery low alarm).
IC1,F1,R21,
C12,C31,R17,
C11,D6,D7
(H)
*
BBIC Clock
Adjusment
(Important)
TP19
1. Execute the command "deactmac".
2. Execute the command "conttx".
3. Input Command “rdeeprom 00 00 02”, then you can confirm the current value.
4. Adjust the frequency of TP19 executing the command "setfreq 00 xx (where xx is the
value)" so that the reading of the frequency counter is 10.368000MHz ± 10Hz.
IC1,L3,C57,
IC3,X1,C16,
(I)* Transmitted
Power
Confirmation
TP15 Remove the Antenna before starting step from 1 to 5.
1. Configure the DECT tester(CMD60) as follows;
<Setting>
-Test mode: PP
-RFPI: 0102030405
-Traffic Channel: 5
-Traffic Slot: 4
-Mode: Loopback
2. Execute the command "testmode".
3. Execute the command "regcmd60"
4. Initiate connection from DECT tester.
5. Confirm that the NTP value at A201 (TP15) is 20dBm ~ 25dBm
IC1,IC3,C54,
L3,C57,C55,
R23,R24,C63,
(J) Modulatoin
Check and
Adjusment
TP15 Follow steps 1 to 4 of (I) above.
5. Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/
div using data type Fig31.
6. Adjust the B-Field Modulation if required. (Execute the
command "Readmod" and "Writemod xx", where xx is the
value.)
IC1,IC3,C54,
L3,C57,C55,
R23,R24,C63,
(K) Frequency Offset
Confirmation
- Follow steps 1 to 4 of (I) above.
5. Confirm that the frequency offset is -50kHz ~ +50kHz.
IC1,IC3,C54,
L3,C57,C55,
R23,R24,C63,
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