Items
Adjustment
Point
Procedure
Check
Replac
Parts
(B
)
4.0V Supply
Confirmation
-
1. Confirm that the voltage between TP91 and GND is 4.0V ± 0.2V.
D4, C4
Q9,
R41, R4
C41,
D5, C7
C78,
C69, C6
C67,
C76, IC
(C
)
VBACK Status
Confirmation
-
1. Confirm that the voltage between J102 and GND is 0V ± 0.4V.
IC2, Q
C23,
C24, C2
C26,
C27, C3
R33,
R36, D
C41,
R41, R4
Q9,
C40, D
R33,
X1, C3
C33
(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, X
C32,
C33
(E
)*
BBIC Clock
Adjustment
TP1
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, IC
L1,
C48, X
C32,
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, R
R8,
R9, R1
R77,
Q2, Q3,
C1, C
38
www.freeservicemanuals.info
11/8/2014
Digitized in Heiloo, Holland
Содержание KX-A141AXM
Страница 23: ... To exit the operation press any time 23 www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...
Страница 51: ...18 FREQUENCY TABLE MHz 51 www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...
Страница 58: ...25 CPU DATA BASE UNIT 25 1 IC2 BBIC 58 www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...
Страница 74: ...74 www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...
Страница 76: ...76 www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...
Страница 82: ...82 www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...
Страница 104: ...PbF R1 R2 TP4 TP1 TP2 TP3 Digital Volt Meter 12Ω 2W A www freeservicemanuals info 11 8 2014 Digitized in Heiloo Holland ...