Panasonic KX-TCA154AZM, Service Manual

Page: 101 / 198

Items Adjustment
Point
Procedure Check or
Replace
Parts
(F)
*
Charge
Detection
(OFF)
Confirmation
-
1. Stop supplying 6V to J3(+) and J4(-).
2. Execute the command "charge".
3. Confirm that the returned value is 0x01 (hex).
IC1, Q4,
Q5, Q9,
D6, D7, L4,
L5,
C73, C74,
R5,
R6, R7,
R72, F1
G)
*
Battery
Monitor
Confirmation &
Adjustment
-
1. Apply 2.3V ± 0.005V between BATT(+) and BATT(-).
2. Execute the command "Backloff", then “readbatt“.
3. Confirm: 29 returned value 36 (Hex)
(If the returned value is within the range, no need to do step 4 and 5.)
4. If the reading is out of range in step 3 above, adjust the battery monitor excuting
command “wreeprom 00 01 01 XX”. (XX is the reading at step 3.)
Then excute command “wreeprom 00 36 01 YY”. (YY can be confirmed by the following
calculation; YY= XX - 0E)
IC1,F1,
C74,C2,
C3,R81,R24,
R73,C9
H) Battery low
Confirmation
-
1. Apply 2.40V between BATT(+) and BATT(-).
2. Confirm that there is no flashing of Battery Icon.
3. Apply 2.20V between BATT(+) and BATT(-).
4. Confirm that there is flashing of Battery Icon.
IC1, F1,
C74, C2,
C3, R81,
R24,
R73, C9
(I)* BBIC Clock
Adjusment
CLK
1. Execute the command "conttx".
2. Input Command “rdeeprom 00 57 01”, then you can confirm the current value.
3. Adjust the frequency of CLK executing the command "setfreq xx (where xx is the
value)" so that the reading of the frequency counter is 10.368000MHz ± 10Hz.
Note:
CLK is displayed only for a few seconds when executing
command “conttx“ after the battery is inserted.
IC1, X1,
IC3,
C7, L2, C54
(J)
*
Transmitted
Power
Confirmation
- Remove the Antenna before starting step from 1 to 4.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
-Test mode: PP
-RFPI: 0102030408
-Traffic Carrier: 5
-Traffic Slot: 4
-Mode: Loopback
-RF LEVEL = -70dBm
2. Execute the command "regcmd60 01 02 03 04 08".
3. Initiate connection from DECT tester.
4. Confirm that the NTP value at A201 (TP15) is 20dBm ~ 25dBm.
IC1, IC3,
L2,
C54, C60,
C61,
C62, C63,
C64,
C65, C66,
C67,
C69, C81,
C82,
C56, R58,
R55, R76
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