Panasonic KX-A141EXS, Service Manual, Page: 38 / 106

Items
Adjustment
Point
Procedure* Check
(F)
*
Hookswitch
Check with DC
Characteristics
-
1. Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600 .
2. Set line voltage to 48V at on-hook condition and line current to 40mA at off-hook
condition of nomal telephone.
3. Execute the command "hookoff"
4. Confirm that the line current is 40mA ± 5mA.
5. Execute the command "hookon".
6. Confirm that the line current is 0mA + 2mA.
IC2,R7,R8,
R9,R10,R77,
Q2,Q3,D2,
(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 -6.5dBm ~ -9.5dBm.
4. Execute the command "dtmf_lo".
5. Confirm that the low frequency (852.05HZ) group is -9.0dBm ~ -12dBm.
IC2,R32,C22,
R23,C80,C14,
C13,Q6,R22,
R21,R19,R20,
C12,D2,C1,
C2,R77,D3,
R12,Q2,R7,
R8,R9,R10,
(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
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,C78,C75,
C69,C48,C72,
C66,C67,C76,
C57,C73,L3,
DA1,R66,R67,
C55,C56,R78,
R79,C54,C58,
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