Panasonic KX-TCD205RU / KX-TCD207RU / KX-TCA120RU Service Manual ▷ View online
•
EEPROM serial JIG
JIG Cable: PQZZ1CD300E*
•
PC which runs in DOS mode
•
Batch file CD-ROM for setting: PQZZTCD205RU
Note:
*: If
you
have
the
JIG
Cable
for
TCD500
series
(PQZZ1CD505E),
change
the
following
values
of
resistance. Then you can use it as a JIG Cable for both
TCD300 and TCD500 series. (It is an upper compatible JIG
Cable.)
TCD300 and TCD500 series. (It is an upper compatible JIG
Cable.)
Resistor
Old value (k
Ω
)
New value (k
Ω
)
R2
22
3.3
R3
22
3.3
R4
22
4.7
R7
4.7
10
13.2. The Setting Method of JIG (Base Unit)
13.2.1. Preparation
13.2.1.1. 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.
•
Digital multi-meter (DMM): it must be able to measure voltage and current.
•
Oscilloscope
13.2.1.2. JIG and PC
13.2.2. PC Setting
13.2.2.1. Connections
13.2.2.2. PC Setting
1. Open a window of MS-DOS mode from the start-up menu.
2. Change a directory.
3. Type “SET_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”.
hookoff
Off-hook mode on Base
Type “hookoff”.
hookon
On-hook mode on Base
Type “hookon”.
getchk
Read checksum
Type “getchk”.
wreeprom
Write the data of EEPROM
Type “wreeprom 01 23 45”. “01 23” is address and “45”
is data to be written.
is data to be written.
45
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
13.3. Adjustment Standard (Base Unit)
When connecting the Simulator Equipment for checking, please refer to below.
PbF
BUZ
CLK
VDD2
TP16
TP15
A_1
VDD3
A_2
ANT
VDD1
J101
TP19
TP20
RED
BLACK
J102
J103
J104
LINE_DC
L2T
L1T
CN1
L2R
L1R
DCP
DCM
Short A_1 and GND.
BELL
Simulator
Loop
Simulator
AF Volt
Meter
AF
OSC
DCP
GND
DC POWER
6V
PC
Digital
Volt Meter
(A) (B) (C)
(D) (E)
ANT
GND
GND
CLK
DECT Tester
CMD60
Frequency
Counter
CHARGE-
CHARGE+
TP16
TP15
Call-ID
Simulator
DTMF
Tester
Tester
L1T
TX
J102
RX
J103
GND
J104
J104
GND
VDD1
VDD3
VDD2
GND
GND
BUZ
LINE_DC
L1R
Digital
Volt Meter
Digital
Volt Meter
AF
OSC
AF Volt
Meter
Dummy Handset
SP
MIC
OSC
OSC
AF
Volt Meter
600
Ω
12
Ω
2W
150
Ω
6.3V 47uF
+
-
(R)
(F)
(I) (J) (K) (L)
(M) (N) (O) (P)
(H)
(G) (Q)
Note:
(A) - (R) is referred to Check Point (Base Unit) (P.41)
KX
-T
CD2
05RU
/
KX
-T
C
C
D
207R
U
/
/
KX
-T
CA1
20RU
46
13.4. Check Point (Charger Unit)
Items
Check
Point
Procedure
Check or
Replace Parts
(A)
Charging Check
-
1.
Connect Charge Contact 12
Ω
/2W resistor between charge+ and charge-.
2.
Measure and confirm voltage across the resistor is 2.85V ± 0.2V.
D11, R11, R12
Note:
After the measuring, sock up the solder of TP.
The connection of adjustment equipment is as shown in Adjustment Standard (Charger Unit) (P.47).
13.5. Adjustment Standard (Charger Unit)
When connecting the Simulator Equipment for checking, please refer to below.
TP3
TP2
TP1
A
D11
WHITE
BLUE
PbF
TP4
PQUP11305Z
DC POWER
6V
GND (TP2)
TP3
GND (TP2)
TP1
(A)
Digital
Volt Meter
12
Ω
/2W
R12
R11
R1
R2
Note:
(A) is referred to Check Point (Charger Unit) (P.47)
47
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
14 TROUBLESHOOTING BY SYMPTOM (HANDSET)
If your unit has below symptoms, follow the instructions in remedy column. Remedies depend on whether you have DECT tester
(*1) or not.
(*1) or not.
Note:
(*1): A general repair is possible even if you don’t have the DECT tester because it is for confirming the levels, such as Acoustic
level in detail.
level in detail.
(*2): Refer to Check Point (Handset) (P.48)
14.1. Check Point (Handset)
Please follow the items below when BBIC or EEPROM is replaced.
Note:
After the measuring, sock up the solder of TP.
*: PC Setting (P.51) is required beforehand.
The connections of adjustment equipment are as shown in Adjustment Standard (Handset) (P.52).
Items
Check
Point
Procedure
Check or
Replace Parts
(A)* 1.8V Supply Adjustment
VDD1
1.
Confirm that the voltage between test point VDD1 and GND is 1.8V ± 0.02V.
2.
Execute the command “bandgap”, then check the current value.
3.
Adjust the 1.8V voltage of VDD1 executing command “bandgap XX”(XX is the
value).
value).
IC1, Q2, C40
(B)
DC/DC Supply
Confirmation
VDD3
1.
Confirm that the voltage between test point VDD3 and GND is 3.46V ± 0.3V.
IC1, F1, C1,
C3, C57, R1,
Q1, D1, L1,57
(C)
2.5V Supply
Confirmation
VDD2
1.
Confirm that the voltage between test point VDD2 and GND is 2.5V ± 0.1V.
IC1, Q3, C4,
C5
(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.
IC1, X1,C7,
R19
(E)* EEP-ROM Confirmation
-
1.
EEP-ROM Confirmation (Execute the command “ChkTCA120XXrevYY”).
XX: country code
YY: revision number
2.
Confirm the returned checksum value.
Note:
“XX”, “YY”, and “checksum” vary depending on the country version. You can
find them in the batch file, PQZZ- mentioned in JIG and PC (P.45).
find them in the batch file, PQZZ- mentioned in JIG and PC (P.45).
IC3, IC1, R39,
R40, R91,
R90, R96,
R90, R96,
Q10, Q11,
C113
(F) Charge Control Check &
Charge Current Monitor
Check
-
1.
Apply 6V between J3(+) and J4(-) with DC power supply and set current limit to
250mA.
250mA.
2.
Confirm that the current limit LED of DC power supply is ON/OFF.
3.
Decrease current limit of DC power supply to 100mA.
4.
Confirm that the current limit LED of DC power supply is stable. (Current limiter
is ON.)
is ON.)
(If charge control cannot be confirmed by this procedure, please use battery to
handset power supply and try again.)
handset power supply and try again.)
IC1, Q4, Q5,
Q9, D6, L4,
L5, C119,
C120, R5, R6,
R7, R72, F1
48
KX-TCD205RU / KX-TCD207R U / KX-TCA120RU
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