Panasonic KX-TCD420GS Service Manual page 55

Items
Adjustment
(F) Battery Monitor
* Confirmation
(G) Battery low
Confirmation
(H) BBIC Clock
* Adjusment
(I)* Transmitted
Power
Confirmation
(J) Modulatoin
Check and
Adjusment
Point
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)
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).
1. Execute the command "conttx".
TP19
2. Adjust the frequency of TP19 executing thecommand "setfreq 00 xx (where xx is the
value)" so that the reading of the frequency counter is 10.368000MHz ± 3Hz.
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
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.)
Procedure*
51
Check
Replac
Parts
IC1,D4,
L5,Q2,Q
R6,D2,R
C26,F1,R
R4,C3
IC1,F1,R
R4,C33,C
C31,R17
C10,C11
D7
IC1,L3,C
IC3,X1,C
C17
IC1,IC3,C
C66,C60
C57,C55
C62,R23
C63,C64
R18
IC1,IC3,C
C66,C60
C57,C55
C62,R23
C63,C64
R18