DOWNLOAD Panasonic KX-TCD460RU / KX-A146RU-1 / KX-A146RU Service Manual ↓ Size: 1.95 MB | Pages: 95 in PDF or view online for FREE

Model
KX-TCD460RU KX-A146RU-1 KX-A146RU
Pages
95
Size
1.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Telephone / TELEPHONE EQUIPMENT
File
kx-tcd460ru-kx-a146ru-1-kx-a146ru.pdf
Date
PREV: Panasonic KX-TCD450RUM / KX-A145RUM / KX-TCD450RUT / KX-A145RUT (serv.man3) Service Manual / Supplement

Panasonic KX-TCD460RU / KX-A146RU-1 / KX-A146RU Service Manual ▷ View online

16.2. Adjustment Standard (Handset)
When connecting the Simulator Equipment for checking, please refer to below.
AF
OSC
AF VOLT
METER
LOOP
Simulator
Dummy Base
Unit
600
OSC
CHARGE+
Generator
MIC+
+
MIC-
AF
6.3V 47  F
DC
6V
Current
Probe
Oscilloscope
CHARGE-
DC POWER
2.30 - 2.60V
BATTERY+
BATTERY-
PC
SDA
SCL
GND
150
AF
Volt Meter
Frequency
Counter
REV
GND
MCLK
Oscilloscope
TP17
Power Key
TP16
DECT tester
   CMD60
GND
ANTENNA
(H)
Digital
Volt Meter
GND
TP4V
8
AF
Volt Meter
SP
Oscilloscope
Digital
Volt Meter
GND
VBACK
(F) (G)
(A)
(I) (J) (K) (L) (M)
(N) (O) (P)
(B)
(C) (E) (F) (H)
(I) (O) (P)
(D)
(D)
(D) (E)
PbF
L2
D7
D6
D3
D5
R11
VBA
CK
TP19
TP18
TP3
TP4
R16
R104
Q102
D1
C22
C30
C8
C3
C24
C26
C28
C29
C6
R8
D2
C16
R12
C17
SP/
BU
Z
Q3
Q2
C7
C4
C5
C34
C33
C35
CHG+
CHG-
MIC
R5
R7
R1
R4
R2
R3
C110
C115
C31
R20
R107
R17
L3
L6
C57
MCLK
C21
C25
R19
IC1
IC2
F1
5
8
4
1
C27
Q103
TP1
TP101
TP102
R18
C56
TP2
11
1
18
28
C2
C20
C23
C18
REG
L5
L4
R21
R22
R6
X1
Q1
BA
TT
TP17
TP16
TP4V
R105
R106
C101
D101
D102
Q101
R109
C106
R110
R101
R102
R103
C107
C12
C116
C206
C207
C203
C202
C204
C201
C67
C60
C66
C63
C64
C65
C54
C55
C62
R23
C208
C209
C108
C109
C102
R108
C103
C104
C111
C105
IC101
5
81
PO
WER
GND
SCL
SD
A
TP21
TP20
IC3
C15
C14
ANT
100
1
80
81
50
51
31
30
Note:
(A) - (P) is referred to Adjustment (Handset) (P.50)
KX
-T
CD4
60RU
/
KX
-A1
46RU-
1
/
KX
-A
146R
U
53
17 RF SPECIFICATION
17.1. Base Unit
Item
Value
Refer to -. *
Remarks
TX Power
More than 20 dBm ~ 25 dBm
Adjustment (Base Unit) (H)
Modulation
340 kHz/div ~ 402 kHz/div
Adjustment (Base Unit) (I)
Data type: Fig31
Frequency Offset
-50 kHz ~ +50 kHz
Adjustment (Base Unit) (J)
RX Sensitivity
< 1000 ppm
Adjustment (Base Unit) (K)
Timing Accuracy
< ± 5 ppm
Adjustment (Base Unit) (L)
RSSI Level
0 × 62 ± 0 × 10 (hex)
Adjustment (Base Unit) (M)
*: Refer to Adjustment (Base Unit) (P.43)
17.2. Handset
Item
Value
Refer to -. **
Remarks
TX Power
More than 20 dBm ~ 25 dBm
Adjustment (Handset) (I)
Modulation
340 kHz/div ~ 402 kHz/div
Adjustment (Handset) (J)
Data type: Fig31
Frequency Offset
-50 kHz ~ +50 kHz
Adjustment (Handset) (K)
RX Sensitivity
< 1000 ppm
Adjustment (Handset) (L)
Timing Accuracy
< ± 10 ppm
Adjustment (Handset) (M)
RSSI Level
0 × 62 ± 0 × 10 (hex)
Adjustment (Handset) (N)
**: Refer to Adjustment (Handset) (P.50)
18 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.
54
KX-TCD460RU / KX-A146RU-1 / KX-A146RU
19 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.
55
KX-TCD460RU / KX-A146RU-1 / KX-A146RU
20 BLOCK DIAGRAM (BASE UNIT)
Audio
Hook
Switch
Bridge
Rect
 A/D
 D/A
Analog
Front End
RINGER
CPU
BBIC
HOOK
RXAF
TXAF
DSP
BMC
Speech Encoding
Speech Decoding
RF 
Interface
Burst Building
Burst Decoding
ADPCM
Codec Filter
EEPROM
IC1
SDA
SCL
SYRI
RSSI
SYEN
RXDA
TXDA
J2
J1
IC2
IC3
4.0V
Reg.
2.65V
Reg.
4.0V
2.65V
VUNREG
40
41
28
24
61
9
5
30
11
63
64
6
5
6
4
RF Module
20
30
10
33
Limit
Resistor
CHARGE
CONTACT
18
16
XTAL
10.368
MHz
DTXAF
DTXAF
27
26
BBIC
Interface
ANT1
ANT2
to Tel_Line
                A
                B
to AC Adaptor
KX-TCD460RUF/RUS/RUT BLOCK DIAGRAM (BASE UNIT)
KX
-T
CD4
60RU
/
KX
-A1
46RU-
1
/
KX
-A
146R
U
56
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