Items
Procedure
Check o
Replac
Parts
(B)
4.0V Supply
Confirmation
1. Confirm that the voltage between TP91 and GND is 4.0V ± 0.2V.
D4, C40,
R41, R4
C41,
D5, C75,
C69, C6
C67,
C76, IC
(C) VBACK Status
Confirmation
1. Confirm that the voltage between J102 and GND is 0V ± 0.4V.
IC2, R5
(D)
*
BBIC
Confirmation
1. BBIC Confirmation (Execute the command "getchk").
2. Confirm the returned checksum value.
Connection of checksum value and program number is shown below.
IC2, X1, C
C33
(E)
*
BBIC Clock
Adjustment
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 TP1 executing the command "setfreq 00 xx (where xx is the value)" so that
the reading of the frequency counter is 10.368000MHz ± 3Hz.
IC2, IC3,
C48, X1, C
C33
(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,
R9, R10 ,
Q2, Q3, D
C1, C2
(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 -8dBm ± 2dBm.
4. Execute the command "dtmf_lo".
5. Confirm that the low frequency (852.05Hz) group is -10dBm ± 2dBm.
IC2, R3
C22,
R23, C8
C14,
C13, Q6,
R21, R1
R20,
C12, D2,
C2, R77,
R12, Q2,
R8, R9, R
Q3
36
Содержание KX-A141ALM
Страница 21: ... To exit the operation press any time 21 ...
Страница 24: ...Shown in Fig To Remove Remove 1 Lower Cabinet Screws 2 6 12 A 2 2 Main P C Board Main P C Board 9 2 Handset 24 ...
Страница 48: ...18 FREQUENCY TABLE MHz 48 ...
Страница 55: ...25 CPU DATA BASE UNIT 25 1 IC2 BBIC 55 ...
Страница 71: ...71 ...
Страница 72: ...31 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 32 CABINET AND ELECTRICAL PARTS LOCATION CHARGER UNIT 72 ...
Страница 73: ...73 ...
Страница 74: ...33 ACCESSORIES AND PACKING MATERIALS 33 1 KX TCD410ALM ALS 33 2 KX TCD412ALM ALS 74 ...
Страница 75: ...33 3 KX A142ALM ALS 75 ...
Страница 76: ...34 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 34 1 Base Unit 76 ...
Страница 104: ...Clip Base PCB G N D S D A S C L 2 7V MODE SDA SCLK GND J104 J103 J102 J101 J100 ...
Страница 105: ...1 PROG PBF BOOK UP POWER CAN DOWN RIGHT REDIAL LEFT 1 2 3 6 5 7 0 R 4 9 8 INT MIC TALK 36 CN2 Marked ...
Страница 106: ...PbF IC1 IC2 80 30 50 5 8 4 1 1 11 18 1 IC3 Marked ...
Страница 108: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...