Panasonic KX-MB2230JT

368
KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT
16.4.6. Main Board(6)
CID:
DTMF for TEL Line:
FAX-TX:
FAX-RX:
MONITOR RX:
Ringing:
Alarm:
Beep:
Key tones:
1
A
B
C
D
E
F
2
3
4
2/41/2
6 -1
KX-MB2515JT MAIN BOARD (No.6) (1/2)
+3.3V
BTXD
1:2A
DG
AFECLK
1:2B;1B
+3.3VA2
R208
NC
( )
R206
NC
DG
DG
BSPCLK
1:2A
+3.3VA1
DAOUT
1:2C;4:3B +3.3VA2
BBITCLK
1:2A
+3.3V
DG
BRXD
1:2B
AFERST
1:2B;1C
+3.3VA2
DG
R207
NC
IC201
1
SPKRR
2
MBIAS
3
HDST
4
SDI
5
SDO
6
*FSYNC
7
MCLK
8
SCLK
9
10
11
12
13
14
15
16
R205
NC
DG
R215
NC
CNGMUTE
1:2D
R204
NC
DG
R209
NC
( )
C204
NC
C205
NC
( )
C211 NC
C207 NC
C209 NC
C203
NC
C206 NC
C212
NC
R201
NC
( )
DG
DG
C201
NC
( )
+5VA
R203
NC
( )
+2.5V
IC200
NC
4
V-
8
V+
C202
NC
( )
DG
R202
NC
( )
R111
NC
DG
IC100
1
MCLK
2
*FSYNC
3
SCLK
4
VD
5
SDO
6
SDI
7
FC/*RGDT
8
*RESET
9
10
11
12
13
14
15
16
C108 NC
DP
1:2B
+3.3VA1
R105
NC
C106
NC
C107
NC
R108
NC
+3.3VA1
C100
NC
C103
NC
R102
NC
R107
NC
R109
NC
R101
NC
( )
R100
NC
DG
ARXD
1:2A
ASPCLK
1:2A
AFERST
1:2B;3E
L100
NC
AINT
1:2E
RING
1:2B;1:2D
ABITCLK
1:2A
R121 NC
C101 NC
R104
NC
C109 NC
DG
+3.3VA1
IC101
1
QE
2
DCT
3
RX
4
IB
5
C1B
6
C2B
7
VREG
8
RNG1
9
10
11
12
13
14
15
16
R110
NC
L101
NC
R103
NC
C110
NC
C102
NC
C104
NC
+3.3VA1
ATXD
1:2A
R106
NC
AFECLK
1:2B;3E
L202
NC
( )
Q200
S5V
DG
C119
NC
C200
NC
( )
C105
NC
R214 NC
( )
R213 NC
R212 NC
R216
NC
C208 NC
( )
DG
R200
NC
C237
( )
NC
*RESET
MIC
LINEI
VD
VA
GND
LINEO
SPKRL
C2A
C1A
AOUT/*INT
GND
VA
M0
*RGDT/FSD/M1
*OFHK
RNG2
VREG2
SC
QE2
QB
DCT3
IGND
DCT2
NC
NC
NC
NC
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)