Panasonic KX-TCD556UAT / KX-TCD556UAV / KX-TCA151UAT / KX-TCA151UAV Service Manual ▷ View online
11 CHECK PROCEDURE (BASE UNIT)
11.1. Preparation
11.1.1.
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
11.1.2.
JIG and PC
•
•
•
• EEPROM serial JIG
JIG Cable: PSZZ2CA155EU
•
•
•
• PC which runs in DOS mode
•
•
•
• Batch file for setting: PQZZTCD556UA
11.2. PC Setting
11.2.1.
Connections
11.2.2.
PC Setting
1. Open an MS-DOS window from the Windows start-up menu.
2. Change to the DOS directory containing the SENDCHAR.EXE and.BAT files for EEPROM communication.
3. Type “SENDCHAR /1” to select serial port1.
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”.
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.
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KX-TCD556UAT / KX-TCD556U AV / KX-TCA151UAT / KX-TCA151UAV
12 CHECK PROCEDURE (HANDSET)
12.1. Preparation
12.1.1.
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 2.4V for Handset, 9V for JIG.
•
•
•
• Digital multi-meter (DMM): it must be able to measure voltage and current.
•
•
•
• Oscilloscope
12.1.2.
JIG and PC
•
•
•
• EEPROM serial JIG
JIG Cable: PSZZ2CA155EU
•
•
•
• PC which runs in DOS mode.
•
•
•
• Batch file for PC setting: PQZZTCD556UA
12.2. PC Setting
12.2.1.
Connections
12.2.2.
PC Setting
1. Open an MS-DOS window from the Windows start-up menu.
2. Change to the DOS directory containing the SENDCHAR.EXE and.BAT files for EEPROM communication.
3. Type “SENDCHAR /1” to select serial port1.
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”.
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-TCD556UAT / KX-TCD556U AV / KX-TCA151UAT / KX-TCA151UAV
13 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)~(G), (I)~(O)
The base unit does not transmit or the transmit frequency is off.
Make adjustments in item (A)~(F), (I)~(L), (N)
The transmit frequency is off.
Make adjustments in item (A)~(F), (I)~(L), (N)
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 (I), (M)
The reception sensitivity of base unit is low with noise.
Make confirmation in item (M)
The transmit level is high or low.
Make confirmation in item (Q)
The reception level is high or low.
Make confirmation in item (Q)
The unit does not link.
Make adjustments in item (A)~(P)
The unit cannot charge.
Make confirmation in item (R)
The unit cannot pulse dial.
Make confirmation in item (G)
*: Refer to Adjustment (Base Unit) (P.47)
13.1. Adjustment (Base Unit)
Please follow the items below when BBIC or EEPROM or FLASH ROM is replaced.
Items
Adjustment Point
Procedure
Check or
Replace Parts
(A)
4.0V Supply
Confirmation
-
1. Confirm that the voltage between TP14 and GND is 4.0V ± 0.2V.
CN4, D5, C60,
C113, R65,
IC1, D1, CN2,
C1, C119, C2,
R8, R9, C114,
R8, R9, C114,
C3, D6, C107
(B)
3.0V Supply
Confirmation
-
1. Confirm that the voltage between TP22 and GND is 3.0V ± 0.2V.
Q2, R12, C6,
C7, C8,
R13, R14
(C)*
1.85V Supply
Confirmation
TP15
1. Confirm that the voltage between TP15 and GND is 1.85V ± 0.02V.
2. Adjust the 1.85V voltage of TP15 executing the command
“bandgap XX“(XX is the value).
Q3, R15, C11
(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, C42,
C43, IC4, L1,
C63, C34, C37,
C39, C44,
C128, C48,
C120, C45,
C30, C129,
C33, R101,
C120, C45,
C30, C129,
C33, R101,
R100,
R111, C28
(E)*
EEP-ROM
Confirmation
-
1. EEP-ROM Confirmation (Execute the command “Chk_556UAv01.bat”).
2. Confirm the returned checksum value (Checksum is 1A6FC).
IC3, C53, R56,
R57, IC2
(F)*
BBIC Clock
Adjustment
(Important)
TP17
1. Execute the command”Conttx”.
2. Input Command “rdeeprom 02 86 01”, then you can confirm the current
value.
3. Adjust the frequency of TP17 executing the command “setfreq xx (where xx
is the value)” so that the reading of the frequency counter is 10.368000MHz
± 10Hz.
± 10Hz.
IC2, IC4, L1,
C63, X1, C42,
C43
(G)
*
Hookswitch Check
with DC
Characteristics &
Pulse Dialing check
-
1. Connect CN1 (Telephone Socket) to Tel-simulator which is connected with
600
Ω.
2. Set line voltage to 48V at on-hook condition and line current to 40mA at off-
hook condition of normal telephone.
3. Execute the command “hookoff”
4. Confirm that the line current is 40mA ± 5mA.
5. Execute the command “hookon”.
6. Confirm that the line current is 0mA + 0.2mA.
7. Execute the command “hookoff“
8. Execute the command “Line imp_0“
9. Confirm that the voltage between TP24 and GND is 8.8V ± 2V.
10. Execute the command “Line imp_1“
11. Confirm that the voltage between TP24 and GND is < 1V.
CN1, L6, L7,
R82,
Q4, R23, R25,
R114, Q5, R26,
R28,IC2,D3,Q9
C18, R53, R51,
R50
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KX-TCD556UAT / KX-TCD556U AV / KX-TCA151UAT / KX-TCA151UAV
Items
Adjustment Point
Procedure
Check or
Replace Parts
(H)*
DTMF Generator
Confirmation
-
1. Connect CN1 (Telephone Socket) to DTMF tester.
2. Execute the command “hookoff” and “dtmf_Hi”.
3. Confirm that the high frequency (1477.06Hz) group is -1.5dBm ~ -4.5dBm.
4. Execute the command “dtmf_lo”.
5. Confirm that the low frequency (852.05Hz) group is -4.5dBm ~ -7.5dBm.
IC2, R39, C41,
R49, C46, C47,
R43, R44, R45,
R46, R47, R48,
R43, R44, R45,
R46, R47, R48,
C40, C108,
C109,C36, R42,
Q8, D4, R34
(I)*
Transmitted Power
Confirmation
-
Remove the Antenna before starting step from 1 to 7.
1. Configure the DECT tester (CMD60) as follows;
<Setting>
•
•
•
• Test mode: FP
•
•
•
• Traffic Carrier: 5
•
•
•
• Traffic Slot: 4
•
•
•
• Mode: Loopback
•
•
•
• PMID: 00000
•
•
•
• RF LEVEL = -70dBm.
2. Execute the command “testmode”.
3. Execute the command “sendchar dmv 2 2“.
4. Check that “Signalling Status” has been set to “Locked“, then press
“ACCEPT RFPI“.
5. Initiate connection from Dect tester (“set up connect“)
6. Execute the command “ant0“.
7. Confirm that the NTP value at ANT is 20dBm ~ 25dBm.
IC2, IC4, L1,
C63,
C84, C71, C73,
C104, C62,
C59,
C64, C100,
C58,
C57, C105,
C54,
C55, C82, C72,
R59, R60, R61,
R59, R60, R61,
R112, R113,
R91, R92,
L3, DA1
(J)
Modulation Check
and Adjustment
ANT
Follow steps 1 to 6 of (I) above.
7.Confirm that the B-Field Modulation is 340kHz/div ~ 402kHz/div using data
type Fig31.
type Fig31.
8.Adjust the B-Field Modulation if required to 360kHz/div ~ 380kHz/div.
(Execute the command “Readmod” and “wrtmod xx”, where xx is the value.)
(Execute the command “Readmod” and “wrtmod xx”, where xx is the value.)
IC2, IC4, L1,
C63,
C84, C71, C73,
C104, C62,
C59,
C64, C100,
C58,
C57, C105,
C54,
C55, C82, C72,
R59, R60, R61,
R59, R60, R61,
R112, R113,
R91, R92,
L3, DA1
(K)
Frequency Offset
Confirmation
-
Follow steps 1 to 6 of (I) above.
7.Confirm that the frequency offset is - 50kHz ~ +50kHz using data type
01010101.
01010101.
IC2, IC4, L1,
C63,
C84, C71, C73,
C104, C62,
C59,
C64, C100,
C58,
C57, C105,
C54,
C55, C82, C72,
R59, R60, R61,
R59, R60, R61,
R112, R113,
R91, R92,
L3, DA1
(L)
Frequency Drift
Confirmation
-
Follow steps 1 to 6 of (I) above.
7.Confirm that the frequency drift is < ± 30kHz/ms using data type
01010101.
01010101.
IC2, IC4, L1,
C63,
C84, C71, C73,
C104, C62,
C59,
C64, C100,
C58,
C57, C105,
C54,
C55, C82, C72,
R59, R60, R61,
R59, R60, R61,
R112, R113,
R91, R92,
L3, DA1
48
KX-TCD556UAT / KX-TCD556U AV / KX-TCA151UAT / KX-TCA151UAV
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