Panasonic KX-TCD586UAS / KX-TCA158UAS Service Manual ▷ View online
Cross Reference:
Telephone Line Interface (P.68)
Check Link (P.45)
Cross Reference:
Power Supply Circuit (P.67)
HOW TO CHECK THE HANDSET SPEAKER (P.62)
Note:
BBIC is IC2.
11.7. Bell Reception
11.7.1. Base Unit
Note:
BBIC is IC2.
11.7.2. Handset
11.8. Check TAM Operation
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KX-TCD586UAS / KX-TCA158UAS
12 CHECK PROCEDURE (BASE UNIT)
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 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
12.1.2. JIG and PC
·
EEPROM serial JIG
JIG Cable: PSZZ2CA155EU
·
PC which runs in DOS mode
·
Batch file for setting: PQZZTCD586UA
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 port 1.
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-TCD586UAS / KX-TCA158UAS
13 CHECK PROCEDURE (HANDSET)
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 2.4 V for Handset, 9 V for JIG.
·
Digital multi-meter (DMM): it must be able to measure voltage and current.
·
Oscilloscope
13.1.2. JIG and PC
·
EEPROM serial JIG
JIG Cable: PSZZ2CA155EU
·
PC which runs in DOS mode.
·
Batch file for PC setting: PQZZTCD586UA
13.2. PC Setting
13.2.1. Connections
13.2.2. 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 port 1.
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-TCD586UAS / KX-TCA158UAS
14 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).
TAM does not work.
Make confirmation in item (S).
*: Refer to Adjustment (Base Unit) (P.52)
14.1. 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)
4.0 V Supply
Confirmation
TP14
1.
Confirm that the voltage between TP14 and GND is 4.0 V ± 0.2 V.
CN4, D5, C60,
C113, R65,
IC1, D1, CN2,
C1, C119, C2,
R8, R9, C114,
R8, R9, C114,
C3, D6, C107
(B)
3.0 V Supply
Confirmation
TP22
1.
Confirm that the voltage between TP22 and GND is 3.0 V ± 0.2 V.
Q2, R12, C6,
C7, C8,
R13, R14
(C)*
1.85 V Supply
Confirmation
TP15
1.
Confirm that the voltage between TP15 and GND is 1.85 V ± 0.02 V.
2.
Adjust the 1.85 V 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_586UAv01.bat”).
2.
Confirm the returned checksum value (Checksum is 1A6DF).
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.
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 10.368000
MHz ± 10Hz.
is the value)” so that the reading of the frequency counter is 10.368000
MHz ± 10Hz.
IC2, IC4, L1,
C63, X1, C42,
C43
(G)* Hookswitch Check
with DC
Characteristics
-
1.
Connect CN1 (Telephone Socket) to Tel-simulator which is connected with
600
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.
off-hook condition 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 + 0.2 mA.
CN1, L6, L7,
R82,
Q4, R23, R25,
R114, Q5, R26,
R28, IC2, D3
(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 (1477.06 Hz) group is -1.5 dBm ~ -4.5 dBm.
4.
Execute the command “dtmf_lo”.
5.
Confirm that the low frequency (852.05 Hz) group is -4.5 dBm ~ -7.5 dBm.
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
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KX-TCD586UAS / KX-TCA158UAS
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