Block Diagram (Base Unit) - Panasonic KX-TCD410RUM Service Manual

19 BLOCK DIAGRAM (BASE UNIT)

J1
to Tel_Line
A
Bridge Rect
B D2
Bell/Caller ID
Interface
Limit CHARGE
Register CONTACT
VUNREG
J2
4.0V
to AC Adaptor
Reg.
4.0V
2.65V
Reg.
2.65V
TXAF 28
Hook Switch
Audio
24
RXAF
Q2, Q3
Analog
Front End
LED
HOOK 61
DTXAF 26
DTXAF 27
EEPROM SCL 41
6
IC1 SDA 40
5
Burst Building
A/D
Speech Encoding
D/A
Burst Decoding
Speech Decoding
ADPCM
Codec Filter
BMC
DSP
CPU
BBIC
IC2
A0...A18 D0...D7 30
IC4
Flash PROM
KX-TCD410RUM/RUS&412RUM/RUS BLOCK DIAGRAM (BASE UNIT)
ANT1
ANT2
9
TXDA
4
33
6
RXDA
20
30
RSSI
30
11
SYRI
RF
63
Interface
IC3
64
SYEN
6
10
RF Module
XTAL
18
X1
10.368
MHz
16
K
X
- T
C
D
4
1
0
R
U
M
/
K
X
- T
C
D
4
1
0
R
U
S
/
K
X
- T
C
D
4
1
2
R
U
M
/
K
X
- T
C
D
4
1
2
R
U
S
/
K
X
- A
1
4
1
R
U
M
/
K
X
- A
1
4
1
R
U
S
/
K
X
- A
1
4
2
R
U
M
/
K
X
- A
1
4
2
R
U
S