Panasonic KX-TCD816UAS / KX-TCD816UAT / KX-TCA181UAS / KX-TCA181UAT Service Manual ▷ View online
9.3.
Adjustment Standard (Handset)
When connecting the Simulator Equipments for checking, please refer to below.
AF
Generator
AF Volt
Meter
OSC
AF
OSC
(S) (T)
(J)
(A) (B) (C)
(A) (D) (E) (H)
(I) (J) (K) (Q)
(F) (G) (H) (I)
600
Ω
8
Ω
150
Ω
Loop
Simulator
Dummy Base
Unit
Battery+
Battery-
DC POWER
2.25V
PC
URX
UTX
Digital
Volt Meter
DC POWER
2.30~2.60V
GND
GND
TP12
TP10
ANT
DECT Tester
CMD60
AF VOLT
METER
OSC
GND
BATT
BATT
GND
TP16
SP-
SP+
REV-
REV+
POWER KEY
TP17
TP18
CHG (+)
CHG (-)
TP20
2.7V/2W
TP19
6.3V 47uF
TP11
GND
Frequency
Counter
CLK
at BATT LOW
CURRENT
PROBE
OSCILLOSCOPE
DC
6V
(S)
(S) (T)
(K) (L) (M) (N)
(O) (P) (Q) (R)
C19
C86
1
4
8
5
C15
C16
C78
R74
C92
TP16
TP10
TP11
TP12
C84
R80
D1
C13
R36
C38
C31
C32
C57
C1
L1
C67
Q18
R15
R17
R75
1
5
2
4
3
R71
C85
C151
C41
R50
C124
C123
JTAG
C33
C42
C34
R60
R61
R30
C94
C93
Q19
R153
R152
D15
BAT
GND
R3
R2
C40
C9
C18
R73
R5
BATTERY+
BATTERY-
CHARGE-
CHARGE+
R7
R6
R54
TP19
R59
MIC
TP18
TP17
TP20
D6
R72
C152
C89
C91
C37
C90
C35
C36
C12
C8
Q6
Q9
Q5
Q4
Q8
R33
C17
C81
C82
R34
R28
C14
C11
R29
R38
R45
C6
C7
R19
C56
C20
C58
R179
IC1
IC2
IC8
1
103
128
102
64
65
39
38
R37
R46
C128
C127
C72
C23
R79
R11
R10
C4
C5
Q3
Q2
C44
R121
R122
C45
C117
C121
C119
C120
C116
32
1
10
11
27
26
A201
IC20
C114
C115
R66
R128
R127
C27
C28
REV_TEST1
SP_TEST1
SP_TEST2
REV_TEST2
D4
D5
CLK
C55
C54
C46
C47
R124
R123
R129
R130
R125
R126
Q1
C80
R56
R55
C79
R39
R40
C77
C76
C75
R35
D8
C43
R1
C130
R201
CN4
R13
R44
C22
C24
X1
C3
R9
R57
R4
R24
C21
C109
C39
F1
L6
A
L4
L5
C129
R58
R8
C61
C150
C136
C68
C60
R25
R26
C10
C87
R95
R47
R43
R65
R63
R14
R27
R21
UTX
URX
R20 R64
Q20
Q11
L7
C135
D7
R62
IC19
Q10
1
1
IC18
C95
C122
L2
C125
1
4
8
5
C118
C50
C51
C126
R78
C83
C53
C49
C48
KX-TCD820/810/TCA181
PQUP11342Z
PbF
Note:
(
A) - (T) is referred to Check Point (Handset) (P.35)
KX
-T
-T
CD8
16UAS
/
K
X
-T
C
D816U
AT
/
K
X
-T
C
A181U
AS
/
K
X
-T
CA1
81UAT
41
10 THINGS TO DO AFTER REPLACING IC
Cautions:
Since this page is common to each country, it may not apply to some models in your country. The contents below are the
minimum adjustments required for operation.
minimum adjustments required for operation.
10.1. Base Unit
IC
Necessary Adjustment
BBIC
Programs for Voice processing, interface for RF and
EEPROM
EEPROM
1. Default batch file: Execute the command “default.bat”.
2. Country version batch file: Execute the command
“TCD800XXrevYY.bat”. (*1)
3. Clock adjustment: Refer to Check Point (F). (*2)
EEPROM
Adjustment parameter data
(country version batch file, default batch file, etc.)
(country version batch file, default batch file, etc.)
1. Change the address “0000” ofEEPROM to “00”.
2. Default batch file: Execute the command “default.bat”.
3. Country version batch file: Execute the command
“TCD800XXrevYY.bat”. (*1)
4. Clock adjustment: Refer to Check Point (F). (*2)
Note:
(*1) XX: country code, YY: revision number
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in
JIG and PC
(P.30).
(*2) Refer to
Check Point (Base Unit) (P.26)
10.2. Handset
IC
Necessary Adjustment
BBIC
Programs for Voice processing, interface for RF and
FLASH
FLASH
1. Default batch file: Execute the command “default.bat”.
2. Country version batch file: Execute the command
“TCA181XXrevYY.bat”. (*3)
3. Clock adjustment: Refer to Check Point (I). (*4)
4. 1.8 V setting and battery low detection: Refer to
Check Point (A), (G) and (H). (*4)
FLASH
Program and Adjustment parameter data
(country version batch file, default batch file, etc.)
(country version batch file, default batch file, etc.)
1. Default batch file: Execute the command “default.bat”.
2. Country version batch file: Execute the command
“TCA181XXrevYY.bat”. (*3)
3. Clock adjustment: Refer to Check Point (I). (*4)
4. 1.8 V setting and battery low detection: Refer to
Check Point (A), (G) and (H). (*4)
Note:
(*3) XX: country code, YY: revision number
“XX” and “YY” vary depending on the country version. You can find them in the batch file, PQZZ- mentioned in
JIG and PC
(P.39).
(*4) Refer to
Check Point (Handset) (P.35)
42
KX-TCD816UAS / KX-TCD816U AT / KX-TCA181UAS / KX-TCA181UAT
11 RF SPECIFICATION
11.1. Base Unit
Item
Value
Refer to -. *
TX Power
20 dBm ~ 25 dBm
Check Point (Base Unit) (I)
Modulation
-350 ~ -400/+320 ~ +370 kHz/div
Check Point (Base Unit) (J)
Frequency Offset
-45 kHz ~ +45 kHz
Check Point (Base Unit) (K)
Frequency Drift
< ± 30 kHz / ms
Check Point (Base Unit) (L)
RX Sensitivity
< 1000 ppm
Check Point (Base Unit) (M)
Timing Accuracy
< ± 2.0 ppm
Check Point (Base Unit) (N)
RSSI Level
22 hex ± A hex
Check Point (Base Unit) (O)
Power RAMP
Power RAMP is matching
Check Point (Base Unit) (P)
*: Refer to
Check Point (Base Unit) (P.26)
11.2. Handset
Item
Value
Refer to -. **
TX Power
20 dBm ~ 25 dBm
Check Point (Handset) (K)
Modulation
-350 ~ -400/+320 ~ +370 kHz/div
Check Point (Handset) (L)
Frequency Offset
-45 kHz ~ +45 kHz
Check Point (Handset) (M)
Frequency Drift
< ± 30 kHz / ms
Check Point (Handset) (N)
RX Sensitivity
< 1000 ppm
Check Point (Handset) (O)
Timing Accuracy
< ± 2.0 ppm
Check Point (Handset) (P)
RSSI Level
1B hex ± 8 hex (at -81dBm)
23 hex ± 8 hex (at -63dBm)
23 hex ± 8 hex (at -63dBm)
Check Point (Handset) (Q)
Power RAMP
Power RAMP is matching
Check Point (Handset) (R)
**: Refer to
Check Point (Handset) (P.35)
43
KX-TCD816UAS / KX-TCD816U AT / KX-TCA181UAS / KX-TCA181UAT
12 HOW TO CHECK THE HANDSET SPEAKER OR
RECEIVER
1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
2. Put the probes at the speaker terminals as shown below.
13 FREQUENCY TABLE (MHz)
BASE UNIT
HANDSET
Channel No
Transmit Frequency
Receive Frequency
Transmit Frequency
Receive Frequency
1
1897.344
1897.344
1897.344
1897.344
2
1895.616
1895.616
1895.616
1895.616
3
1893.888
1893.888
1893.888
1893.888
4
1892.160
1892.160
1892.160
1892.160
5
1890.432
1890.432
1890.432
1890.432
6
1888.704
1888.704
1888.704
1888.704
7
1886.976
1886.976
1886.976
1886.976
8
1885.248
1885.248
1885.248
1885.248
9
1883.520
1883.520
1883.520
1883.520
10
1881.792
1881.792
1881.792
1881.792
Note:
Channel No. 10: In the Test Mode on Base Unit and Handset.
44
KX-TCD816UAS / KX-TCD816U AT / KX-TCA181UAS / KX-TCA181UAT
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