Panasonic KX-TCD156RUB / KX-TCD156RUW / KX-TCA115RUB / KX-TCA115RUW Service Manual ▷ View online
Items
Adjustment
Point
Procedure
Check or
Replace Parts
(K)
Sensitivity Receiver
Confirmation
-
Follow steps 1 to 3 of (H) above.
4. Set DECT tester power to -88dBm.
5. Confirm that the BER is < 1000ppm.
IC2,IC3,L1,
C43,C78,
C75,C69,C48,
C72,C66,
C67,C76,C57,
C73,L3,
DA1,R66,R67,
C55,C56,
R78,R79,C54,
C58,C86,
R38
(L)
Timing Confirmation
-
Follow steps 1 to 3 of (H) above.
4. Confirm that the Timing accuracy is < ± 2.0ppm.
IC2,IC3,L1,
C43,C78,
C75,C69,C48,
C72,C66,
C67,C76,C57,
C73,L3,
DA1,R66,R67,
C55,C56,
R78,R79,C54,
C58,C86,
R38
(M)*
RSSI Level
Confirmation
-
Follow steps 1 to 3 of (H) above.
4. Set DECT tester power to -88dBm.
5. Execute the command “readrssi”.
6. Confirm: 25 < returned value < 43 (hex) (34 ± F (hex))
IC2,IC3,L1,
C43,C78,
C75,C69,C48,
C72,C66,
C67,C76,C57,
C73,L3,
DA1,R66,R67,
C55,C56,
R78,R79,C54,
C58,C86,
R38
(N)*
Receive Audio Check
and Adjustment
ANT
J1
1.
Configure the DECT tester (CMD60) as follows;
<Setting>
•
Test mode: FP
•
Mode: Normal
•
PMID: 00000
2.
Execute the command “testmode”.
3.
Initiate connection from DECT tester.
4.
Execute the command “hookoff”.
5.
Execute the command “openau”.
6.
Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600
Ω
.
7.
Set line voltage to 48V and line current to 40mA.
8.
Connect DECT tester to Tel-simulator.
9.
Input audio signal (200mVrms/1kHz tone) to Tel-simulator.
<DECT tester setting>
•
Scramble: On
•
AF Gen. to ADPCM: Off
•
AF Meter Input: ADPCM
•
AF Gen. Frequency: 1000Hz
•
AF Gen. Level: 200mVrms
10. Confirm hearing tone: 390mVrms ± 85mVrms
11. Adjust audio level if required. (Make sure current value using “getmicgain”. And
then execute the command “setmicgain xx”, where xx is the value.)
12. Confirm that the B-field audio distortion with DECT tester is < 5%.
IC2,C21,R31,
C20,C11,
R18,R16,D3,
R12,Q2,
R7,R8,Q3,
R9,R10,
D2,C1,C2,
R77,IC3,
L1,C43,C78,
C75,C69,
C48,C72,C66,
C67,C76,
C57,C73,L3,
DA1,R66,
R67,C55,C56,
R78,R79,
C54,C58,C86,
R38
25
KX-TCD156RUB / KX-TCD156R UW / KX-TCA115RUB / KX-TCA115RUW
Items
Adjustment
Point
Procedure
Check or
Replace Parts
(O)*
Transmit Audio Check
and Adjustment
ANT
J1
1.
Configure the DECT tester (CMD60) as follows;
<Setting>
•
Test mode: FP
•
Mode: Normal
•
PMID: 00000
2.
Execute the command “testmode”.
3.
Initiate connection from DECT tester.
4.
Execute the command “hookoff”.
5.
Execute the command “openau”.
6.
Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600
Ω
.
7.
Set line voltage to 48V and line current to 40mA.
8.
Input audio signal (30mVrms/1kHz tone) to DECT tester.
<DECT tester setting>
•
Scramble: On
•
AF Gen. to ADPCM: On
•
AF Meter Input: AF Voltm
•
AF Gen. Frequency: 1000Hz
•
AF Gen. Level: 30mVrms
9.
Confirm hearing tone: 300mVrms ± 50mVrms.
10. Adjust audio level if required. (Make sure current value using “getspkrgain”.
And then execute the command “setspkrgain xx”, where xx is the value.)
11. Confirm that the audio distortion at 600R of Tel-simulator is < 5%.
IC2,R32,C22,
R23,C80,
C14,C13,R22,
R21,Q6,
R18,R19,R20,
C12,D2,
C1,C2,R77,
R16,D3,
R12,Q2,R7,R8
,R9,
R10,Q3,IC3,
L1,C43,
C78,C75,C69,
C48,C72,
C66,C67,C76,
C57,C73,
L3,DA1,R66,
R67,C55,
C56,R78,R79,
C54,C58,
C86,R38
(P)
Charging Check
-
1.
Connect Charge Contact 12
Ω
/2W resistor between charge+ and charge-.
2.
Measure and confirm voltage across the resistor is 2.3V ± 0.2V.
D4,R43,R44
(Q)*
Audio Check
-
1.
Link with Handset.
2.
Set line voltage to 48V and line current to 40mA.
3.
Input -45dBm/1kHz to MIC of Handset.
Measure the Level at Line I/F and distortion level.
4.
Confirm that the level is -9 ± 2dBm and that the distortion level is < 5% at TEL
Line (600
Line (600
Ω
Load).
5.
Input -20dBm/1kHz to Line I/F.
Measure the level at Receiver of Handset and distortion level
(*Receive volume set to second position from minimum).
6.
Confirm that the level is -22 ± 2dBm and that the distortion level is < 5% at
Receiver (Volume Middle, 150
Receiver (Volume Middle, 150
Ω
Load).
26
KX-TCD156RUB / KX-TCD156R UW / KX-TCA115RUB / KX-TCA115RUW
8.2.1. Preparation
8.2. The Setting Method of JIG (Base Unit)
8.2.1.1. Equipment Required
•
DECT tester: Rohde & Schwarz, CMD 60 is recommended.
•
Frequency counter: it must be precise to be able to measure 1Hz (precision; ±4ppm).
Hewlett Packard, 53131A is recommended.
•
DC power: it must be able to output at least 1A current under 9V.
•
Digital multi-meter (DMM): it must be able to measure voltage and current.
•
Oscilloscope
8.2.1.2. JIGs and PC
•
EEPROM serial JIGs
1. I2C PCB: PQZZTCD420BX
2. RS232C cable: PQZZ1CD705BX
3. Clip cable: PQZZ2CD705BX
4. DC cable: PQZZ3CD705BX
•
PC which runs in DOS mode
•
Batch file CD-ROM for setting: PQZZTCD156RU
8.2.2. PC Setting
8.2.2.1. Connections
1. Connect the AC adaptor to J2 (base unit).
2. Connect the RS232C cable to the Serial Port of PC.
3. Connect the DC cable to the DC Power.
4. Connect the Clip cable GND.
5. Connect the Clip cable SCL and SDA.
Note:
*: Com port names may vary depending on what your PC calls it .
27
KX-TCD156RUB / KX-TCD156R UW / KX-TCA115RUB / KX-TCA115RUW
8.2.2.2. PC Setting
1. Open a window of MS-DOS mode from the start-up menu.
2. Change a directory to the one with “RTX_COM” contained.
3. Type “SET RTX_COM=1” from the keyboard (when COM port 1 is used for the connection).
4. Type “doskey”.
Note:
See the table below for frequently used commands.
Command name
Function
Example
rdeeprom
Read the data of EEPROM
Type “rdeeprom 00 00 FF”, and the data from
address “00 00” to “FF” is read out.
address “00 00” to “FF” is read out.
readid
Read ID (RFPI)
Type “readid”, and the registered ID is read out.
writeid
Write ID (RFPI)
Type “writeid 00 18 E0 0E 98”, and the ID “0018 E0 0E
98” is written.
98” is written.
setfreq
adjust Frequency of RFIC
Type “setfreq nn nn”.
hookoff
off-hook mode on Base
Type “hookoff”.
hookon
on-hook mode on Base
Type “hookon”.
Getchk
Read checksum
Type “getchk”.
Wreeprom
write eeprom
Type “wreeprom 01 23 45". “01 23" is address and “45”
is data to be written.
is data to be written.
InitBsPIN.bat
Initial Base PIN to “0000”
Type “initBsPIN”
28
KX-TCD156RUB / KX-TCD156R UW / KX-TCA115RUB / KX-TCA115RUW
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