Panasonic KX-TCD460RU / KX-A146RU-1 / KX-A146RU Service Manual ▷ View online
13 CHECK PROCEDURE (BASE UNIT)
13.1. Preparation
13.1.1. Equipment Required
·
DECT tester: Rohde & Schwarz, CMD 60 is recommended.
·
Frequency counter: it must be precise to be able to measure 1 Hz (precision; ±4 ppm).
Hewlett Packard, 53131 A is recommended.
·
DC power: it must be able to output at least 1 A current under 9 V.
·
Digital multi-meter (DMM): it must be able to measure voltage and current.
·
Oscilloscope
13.1.2. JIGs and PC
·
EEPROM serial JIGs
1. I2C PCB: PQZZ1CD420BX
2. RS232C cable: PQZZ1CD705BX
3. Clip cable: PQZZ2CD705BX
4. DC cable: PQZZ3CD705BX
·
PC which runs in DOS mode
·
Batch file for setting: PQZZTCD460RU
13.2. PC Setting
13.2.1. Connections
13.2.2. 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”
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KX-TCD460RU / KX-A146RU-1 / KX-A146RU
14 CHECK PROCEDURE (HANDSET)
14.1. Preparation
14.1.1. Equipment Required
·
DECT tester: Rohde & Schwarz, CMD 60 is recommended.
·
Frequency counter: it must be precise to be able to measure 1 Hz (precision; ± 4 ppm).
Hewlett Packard, 53131 A is recommended.
·
DC power: it must be able to output at least 1 A current under 2.4 V for Handset, 9 V for JIG.
·
Digital multi-meter (DMM): it must be able to measure voltage and current.
·
Oscilloscope
14.1.2. JIGs and PC
·
EEPROM serial JIGs
1. I2C PCB: PQZZ1CD420BX
2. RS232C cable: PQZZ1CD705BX
3. Clip cable: PQZZ2CD705BX
4. DC cable: PQZZ3CD705BX
·
PC which runs in DOS mode.
·
Batch file for PC setting: PQZZTCD460RU
14.2. PC Setting
14.2.1. Connections
14.2.2. 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”.
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.
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KX-TCD460RU / KX-A146RU-1 / KX-A146RU
15 ADJUSTMENTS (BASE UNIT AND CHARGER UNIT)
If your unit have below symptoms, adjust or confirm each item using remedy column from the table.
Symptom
Remedy*
The base unit does not respond to a call from handset.
Make adjustments in item (A)~(F), (I)~(M)
The base unit does not transmit or the transmit frequency is off.
Make adjustments in item (A)~(E), (H)~(J), (L)
The transmit frequency is off.
Make confirmation in item (A)~(E), (H)~(J), (L)
The transmit power output is low, and the operating distance between base unit and handset is
less than normal.
less than normal.
Make confirmation in item (H), (K)
The reception sensitivity of base unit is low with noise.
Make confirmation in item (K)
The transmit level is high or low.
Make adjustments in item (O)
The reception level is high or low.
Make adjustments in item (N)
The unit does not link.
Make confirmation in item (A)~(M)
The unit cannot charge.
Make confirmation in item (P)
*: Refer to Adjustment (Base Unit) (P.43)
15.1. Adjustment (Base Unit)
Please follow the items below when BBIC or EEPROM is replaced.
Items
Procedure
Check or
Replace Parts
(A)
2.65 V Supply
Confirmation
1.
Confirm that the voltage between TP187 and GND is 2.65 V ± 0.2 V.
IC2,Q8,C23,
C24,C25,
C26,C27,C38,
R33,R36,
D5,C41,R41,
R42,Q9,
C40,D4,X1,
C32,C33,
C36,C37
(B)
4.0 V Supply
Confirmation
1.
Confirm that the voltage between TP91 and GND is 4.0 V ± 0.2 V.
D4,C40,Q9,
R41,R42,
C41,D5,C75,
C78,C69,
C66,C67,C76,
IC3
(C)
VBACK Status
Confirmation
1.
Confirm that the voltage between J102 and GND is 0V ± 0.4V.
IC2,Q8,C23,
C24,C25,
C26,C27,C38,
R33,R36,
D5,C41,R41,
R42,Q9,
C40,D4,R33,
X1,C32,
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,X1,C32,
C33
(E)* BBIC Clock Adjustment
(Important)
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 10.368000 MHz ± 10 Hz.
so that the reading of the frequency counter is 10.368000 MHz ± 10 Hz.
IC2,IC3,L1,
C48,X1,C32,
C33
(F)* Hookswitch Check with
DC Characteristics
1.
Connect J1 (Telephone Socket) to Tel-simulator which is connected with 600
Ω
.
2.
Set line voltage to 48 V at on-hook condition and line current to 40 mA at off-hook condition
of normal telephone.
of normal telephone.
3.
Execute the command “hookoff”
4.
Confirm that the line current is 40 mA ± 5 mA.
5.
Execute the command “hookon”.
6.
Confirm that the line current is 0 mA ~ + 2 mA.
IC2,R7,R8,
R9,R10,R77,
Q2,Q3,D2,
C1,C2
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KX-TCD460RU / KX-A146RU-1 / KX-A146RU
Items
Procedure
Check or
Replace Parts
(G)*
DTMF Generator
Confirmation
1.
Connect J1 (Telephone Socket) to DTMF tester.
2.
Execute the command “hookoff” and “dtmf_up”.
3.
Confirm that the high frequency (1477.06 Hz) group is -3 ± 2 dBm.
4.
Execute the command “dtmf_lo”.
5.
Confirm that the low frequency (852.05 Hz) group is -6 ± 2 dBm.
IC2,R32,C22,
R23,C80,
C14,C13,Q6,
R22,R21,
R19,R20,C12,
D2,C1,
C2,R77,D3,
R12,Q2,
R7,R8,R9,
R10,Q3
(H)*
Transmitted Power
Confirmation
Remove the Antenna before starting steps from 1 to 4.
1.
1.
Configure the DECT tester (CMD60) as follows;
<Setting>
·
Test mode: FP
·
Traffic Channel: 5
·
Traffic Slot: 4
·
Mode: Loopback
·
PMID: 00000
2.
Execute the command “testmode”.
3.
Initiate connection from DECT tester. (“set up connect”)
4.
Confirm that the NTP value at ANT is 20 dBm ~ 25 dBm.
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
(I)
Modulation Check and
Adjustment
Follow steps 1 to 3 of (H) above.
4. Confirm that the B-Field Modulation is 340 kHz/div ~ 402 kHz/div using data type Fig31.
5. Adjust the B-Field Modulation if required. (Execute the command “readmod” and “wrtmod
xx”, where xx is the value.)
xx”, where xx is the value.)
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
(J)
Frequency Offset
Confirmation
Follow steps 1 to 3 of (H) above.
4. Confirm that the frequency offset is -50 kHz ~ +50 kHz.
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
(K)
Sensitivity Receiver
Confirmation
Follow steps 1 to 3 of (H) above.
4. Set DECT tester power to -88 dBm.
5. Confirm that the BER is < 1000 ppm.
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 < ± 5.0 ppm.
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
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KX-TCD460RU / KX-A146RU-1 / KX-A146RU
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