Panasonic KX-TCD410AXM, Service Manual

Page: 47 / 115

Items
Adjustment
Point
Procedure Check
Replac
Parts
(F)
*
Battery Monitor
Confirmation
-
1. Apply 2.3V ± 0.005V between TP3(+) and TP4(-).
2. Execute the command "readbatt".
3. Confirm:
98 < returned value < A8 (Hex)
4. Execute the command "WRTBAT2 XX".
XX: (returned value) - 06 (Hex)
IC1, D
L4,
L5, Q2,
R6, D
R22,
C26, F
R21,
R4, C
(G
)
Battery low
Confirmation
-
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, F
R21,
R4, C3
C12,
C31, R
R20,
C10, C
D6,
D7
(H
)*
BBIC Clock
Adjusment
TP19
1. Execute the command "conttx".
2. 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 ± 3Hz.
IC1, L
C57,
IC3, X
C16,
C17
(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, IC
C54,
C66, C
L3,
C57, C
C56,
C62, R
R24,
C63, C
C65,
R18
(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 "Wrtmod xx", where xx is the
value.)
IC1, IC
C54,
C66, C
L3,
C57, C
C56,
C62, R
R24,
C63, C
C65,
R18
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