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Model
KX-TCD540RUM KX-TCA154RUM KX-TCD540RUT KX-TCA154RUT
Pages
127
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3.15 MB
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PDF
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Service Manual
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Device
Telephone / TELEPHONE EQUIPMENT
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kx-tcd540rum-kx-tca154rum-kx-tcd540rut-kx-tca154ru.pdf
Date
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Panasonic KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT Service Manual ▷ View online

15.2. Adjustment Standard (Cordless Handset)
When connecting the Simulator Equipments for checking, please refer to below.
CN4
C1
C57
IC3
IC2
TP15
C81
C67
C66
C64
C65
A201
C63
R55
C69
C62
Q7
C60
C56
C14
C48
C77
C76
D8
D4
D5
C38
C92
C95
C78
C80
C84
C22
C6
C19
C23
C71
C39
C18
C4
C5
BATT
GND
C40
D6
Q3
Q4
Q5
C73
R6
D7
C17
C74
C7
R19
R24
R5
R72
R73
C68
C41
C42
C85
C43
C79
C86
C15
C16
C75
R76
TP1
TP10
TP16
TP11
JTAG
TP3
TP4
TP5
TP8
TP13
TP12
L1
TP6
L2
C101
R90
C13
Q1
D1
R80
SP_TEST2
SP_TEST1
REV_TEST2
REV_TEST1
R82
R1
R74
C2
C3
C94
C93
C20
C21
C8
C9
C89
C96
F1
R4
R3
R2
R11
R10
R8
R9
R7
R81
Q2
Q9
R25
R26
R29
C90
C12
C87
C10
C91
C37
C58
C24
C72
L5
L4
R61
R60
R21
R38
R37
R20
R75
C54
TP2
CLK
TP9
C61
R58
R35
R34
R13
R71
R50
R40
R39
R57
R64
R47
J2
J1
J3
J4
R43
R46
UTX
URX
R63
R12
R52
R36
IC1
IC10
PbF
X1
(R)
(C)
(B)
(S)
(R)
(S)
(A)
(T)
(T)
(I) 
DIGITAL
VOLT METER
FREQUENCY
COUNTER
AF VOLT
METER
OSCILLO
SCOPE
TP10
CLK
8
Ω
SP2
SP1
GND
(Black)
TP15
GND
DIGITAL
VOLT METER
DC POWER
SUPPLY
AF
OSC
AF
OSC
J2 [BATTERY-]
MIC+
+    -
+    -
J1 [BATTERY+]
MIC-
PC
TP11
URX
(Red)
UTX
(Yellow)
DIGITAL
VOLT METER
TP12
AF VOLT
METER
OSCILLO
SCOPE
150
Ω
150
Ω
REV2
REV1
AF VOLT
METER
OSCILLO
SCOPE
(A) (D) (F) (G) (I) (J) (K) (P) (U)
(J) (K) (L) (M) (N) (O) (P) (Q)
(G) (H)
DC POWER
SUPPLY
J4 CHARGE-
J3 CHARGE+
(E) (F)
(R)
(S)
-    +
AF
OSC
AF VOLT
METER
LOOP
SIMULATOR
DUMMY
BASE
DECT TESTER
CMD60
OSCILLO
SCOPE
Note:
(A) - (U) is refered to ADJUSTMENTS (CORDLESS HANDSET) (P.73)
K
X
-T
C
D
5
40R
U
M
/
K
X-
T
C
A
154R
U
M
/
K
X-
T
C
D
540
R
U
T
/
K
X-
T
C
A
154R
U
T
77
16 RF SPECIFICATION
16.1. Base Unit
Item
Value
Refer to -. *
Remarks
TX Power
20 dBm ~ 25 dBm
Adjustment (Base Unit) (I)
Modulation
360 kHz/div ~ 380 kHz/div
Adjustment (Base Unit) (J)
Data type: Fig31
Frequency Offset
-50 kHz ~ +50 kHz
Adjustment (Base Unit) (K)
RX Sensitivity
< 1000 ppm
Adjustment (Base Unit) (M)
Timing Accuracy
-2.0 ppm ~ +2.0 ppm
Adjustment (Base Unit) (N)
RSSI Level
0x11 (hex) ~ 0x25 (hex)
Adjustment (Base Unit) (O)
* : Refer to Adjustment (Base Unit) (P.66)
16.2. Cordless Handset
Item
Value
Refer to -. **
Remarks
TX Power
20 dBm ~ 25 dBm
Adjustment (Cordless Handset) (J)
Modulation
360 kHz/div ~ 380 kHz/div
Adjustment (Cordless Handset) (K)
Data type: Fig31
Frequency Offset
-50 kHz ~ +50 kHz
Adjustment (Cordless Handset) (L)
Frequency Drift
< ± 30 kHz / ms
Adjustment (Cordless Handset) (M)
RX Sensitivity
< 1000 ppm
Adjustment (Cordless Handset) (N)
Timing Accuracy
< ± 0.5 ppm
Adjustment (Cordless Handset) (O)
RSSI Level
0x09 (hex) ~ 0x19 (hex)
(at -81dBm)
0x16 (hex) ~ 0x26 (hex)
(at -63dBm)
Adjustment (Cordless Handset) (P)
Power RAMP
Power RAMP is matching
Adjustment (Cordless Handset) (Q)
** : Refer to Adjustment (Cordless Handset) (P.73)
17 HOW TO CHECK THE CORDLESS HANDSET AND BASE
UNIT SPEAKER
 1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
 2. Put the probes at the speaker terminals as shown below.
Note:
* : Refer to Cabinet and Electrical Parts (P.111) of Cordless Handset replacement part lists.
** : Refer to Cabinet and Electrical Parts (P.108) of Base Unit replacement part lists.
78
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
18 HOW TO CHECK THE CORDLESS HANDSET RECEIVER
 1. Prepare the digital voltmeter, and set the selector knob to ohm meter.
 2. Put the probes at the receiver terminals as shown below.
Note:
* : Refer to Cabinet and Electrical Parts (P.111) of cordless Handset replacement part lists.
79
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
19 FREQUENCY TABLE (MHz)
BASE UNIT
CORDLESS 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 Cordless Handset.
80
KX-TCD540RUM / KX-TCA154RUM / KX-TCD540RUT / KX-TCA154RUT
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