Panasonic KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT Service Manual ▷ View online
Items
Adjustment
Point
Procedure
Check or
Replace Parts
(N)*
Receive Audio Check
and Confirmation
TP15
1.
Configure the DECT tester (CMD60) as follows;
<Setting>
·
Test mode: PP
·
Mode: Nomal
·
RFPI: 0102030405
2.
Execute the command "testmode".
3.
Execute the command "regcmd60"
4.
Initiate connection from DECT tester.
5.
Execute the command "openaudio".
6.
Confirm that the value of EEPROM address "34A" is "02". (If the value is not
"02" (by User), set "02" and power off and power on, and return to clause 2.)
"02" (by User), set "02" and power off and power on, and return to clause 2.)
7.
Input audio signal (50mVrms/1kHz tone) from DECT tester.
<DECT tester setting>
·
Scramble: On
·
AF Gen to ADPCM: On
·
AF Meter Input: AF Voltm
·
AF Gen Frequency: 1000Hz
·
AF Gen Level: 50mVrms
8.
Confirm hearing tone: 300mV ± 250mV (Just check Audio path)
9.
Confirm that the audio distortion with DECT tester is < 5 %.
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403,
C423,C405,
R411,C408,
C409,C401,
C402,C403,
D7,D9,C26,
C25,C60,C34,
R27,C29,C19,
R27,C29,C19,
L4,C35,C38,
R28,C20
(O)
Transmit Audio Check
and Confirmation
TP15
1.
Configure the DECT tester (CMD60) as follows;
<Setting>
·
Test mode: FP
·
Mode: Normal
·
RFPI: 0102030405
2.
Execute the command "testmode".
3.
Execute the command "regcmd60".
4.
Initiate connection from DECT tester.
5.
Execute the command "openaudio".
6.
Confirm that the value of EEPROM address "34A" is "02". (If the value is not
"02" (by User), set "02" and power off and power on, and return to clause 2.)
"02" (by User), set "02" and power off and power on, and return to clause 2.)
7.
Input audio signal (30mVrms/1kHz tone) to DECT tester.
<DECT tester setting>
·
Scramble: On
·
AF Gen to ADPCM: Off
·
AF Meter Input: ADPCM
·
AF Gen Frequency: 1000Hz
·
AF Gen Level: 30mVrms
8.
Confirm hearing tone: 300mV ± 250mV (Just check Audio path)
9.
Confirm that the audio distortion with DECT tester is < 5 %.
IC1,IC10,
R410,L5,
C111,C422,
C423,C405,
R411,C408,
C409,C401,
C402,C403,
C423,C405,
R411,C408,
C409,C401,
C402,C403,
C62,R4,C27,
C61,R5,C41,
R1,C15,R21,
C61,R5,C41,
R1,C15,R21,
C17,C18,C22,
C14,R8,C21,
R24,JACK
Note:
After the measuring, sock up the solder of TP.
* : PC Setting (P.43) is required beforehand.
The connection of adjustment equipment are as shown in Adjustment Standard (Handset) (P.54).
53
KX-TCD450RUM / KX-A145RUM / KX-TCD450R UT / KX-A145RUT
15.2. Adjustment Standard (Handset)
When connecting the Simulator Equipments for checking, please refer to below.
C4
C71
C27
C19
L4
R20
R28
R9
R3
R10
C37
R13
R59
C20
C32
C3
C2
C49
C58
C6
R30
D21
C11
C22
C62
R4
C1
Q8
C69
D20
+4V
C55
R19
C17
R8
C15
C14
R21
C21
R24
R68
R67
R34
C52
R12
F1
C18
SCL
TP3
TP4
TP5
TP6
TP11
4
5
8
1
SD
A
A
R1
R38
R14
R15
C47
C51
C16
DL2
PO
WER_PM
WER_PM
PO
WER_ON
WER_ON
DL1
C35
R60
C59
C56
R51
C70
C7
C57
C38
C61
R5
C41
C30
C31
C33
C9
16
17
32
1
PbF
L1
Q7
MIC
C420
C421
C401
C402
A1
C403
C26
C423
C424
C405
C54
C45
C44
R43
R16
R11
R18
R2
R6
R17
R31
Q5
Q3
5
81
4
Q11
Q1
C50
C48
C25
D9
C13
C34
C60
C65
C29
C12
C53
C28
C24
C67
C68
C23
C8
C10
C66
IC4
IC2
C407
REV_TEST2
REV_TEST1
SP_TEST1
SP_TEST2
C409
C404
SP
C408
IC3
IC1
100
GND
BA
TT
TT
75
76
25
51
1
C111
C422
C36
R27
D16
C5
D19
C46
R36
R410
R411
R35
L5
MCLK
X1
18
11
1
28
IC10
JACK
D7
DC
2.20V ~ 2.90V
(E) (F)
Digital
Volt Meter
(A)
(B) (D) (E) (G) (H) (N) (O)
To PC (JIG)
DC 6V
Oscilloscope
Current Probe
(C) (D)
(C)
(C)
Frequency
Counter
(G)
DECT tester
CMD60
CMD60
(H) (I) (J) (K)
(L) (M) (N) (O)
(L) (M) (N) (O)
Note:
(A) - (P) is refered to ADJUSTMENTS (HANDSET) (P.51)
KX
-T
CD4
50RUM
/
K
X
-A1
45RUM
45RUM
/
K
X
-T
C
D450R
UT
/
K
X
-A145R
UT
54
16 RF SPECIFICATION
16.1. Base Unit
Item
Value
Refer to -. *
Remarks
TX Power
20 dBm ~ 25 dBm
Adjustment (Base Unit) (H)
Modulation
340 kHz/div ~ 402 kHz/div
Adjustment (Base Unit) (I)
Data type: Fig31
Frequency Offset
-40 kHz ~ +40 kHz
Adjustment (Base Unit) (J)
RX Sensitivity
< 1000 ppm
Adjustment (Base Unit) (K)
Timing Accuracy
< ± 5.0 ppm
Adjustment (Base Unit) (L)
RSSI Level
0x34 hex ± 10 hex
Adjustment (Base Unit) (M)
* : Refer to Adjustment (Base Unit) (P.44)
16.2. Handset
Item
Value
Refer to -. **
Remarks
TX Power
20 dBm ~ 25 dBm
Adjustment (Base Unit) (H)
Modulation
340 kHz/div ~ 402 kHz/div
Adjustment (Base Unit) (I)
Data type: Fig31
Frequency Offset
-40 kHz ~ +40 kHz
Adjustment (Base Unit) (J)
RX Sensitivity
< 1000 ppm
Adjustment (Base Unit) (K)
Timing Accuracy
< ± 10 ppm
Adjustment (Base Unit) (L)
RSSI Level
0x34 hex ± 10 hex
Adjustment (Base Unit) (M)
** : Refer to Adjustment (P.51)
17 HOW TO CHECK THE HANDSET 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.
55
KX-TCD450RUM / KX-A145RUM / KX-TCD450R UT / KX-A145RUT
18 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.
56
KX-TCD450RUM / KX-A145RUM / KX-TCD450R UT / KX-A145RUT
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