Panasonic KX-MB2230JT

382
KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT
16.5.6. 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-MB2545JT MAIN BOARD (No.6) (1/2)
+3.3V
1:2A
DG
1:2B;1B
+3.3VA2
R208
NC
( )
R206
47k
DG
DG
1:2A
+3.3VA1
DAOUT
1:2C;4:3B
+3.3VA2
1:2A
+3.3V
DG
1:2B
AFERST
1:2B;1C
+3.3VA2
DG
R207
3.3k
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
0(1608)
DG
R215
1M
CNGMUTE
1:2D
R204
0(1608)
DG
R209
NC
( )
C204
K0.1u
C205
NC
( )
C211 K0.1u
C207 K0.1u
C209
K0.1u
C203 K0.01u
C206 K0.022u
C212
K0.022u
R201
NC
( )
DG
DG
C201
NC
( )
+5VA
R203
NC
( )
+2.5V
IC200
NC
4
V-
8
V+
C202
NC
( )
DG
R202
NC
( )
R111
150
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 120p
1:2B
+3.3VA1
R105
1.07k(1/2W)
C106
K0.1u
C107
K0.1u
R108
3.65k(1/2W)
+3.3VA1
C100
K0.01u
C103
33p/250V
R102
56(1608)
R107
5.1M(2125)
R109
15M(3216)
R101
NC
( )
R100
47k
DG
1:2A
1:2A
1:2B;3E
L100
18BB750
AINT
1:2E
1:2B;1:2D
1:2A
R121 10k
C101 K0.1u
R104
F1M
C109 120p
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
15M(3216)
L101
18BB750
R103
56(1608)
C110
K2700p
C102
K0.1u
C104
33p/250V
+3.3VA1
1:2A
R106
5.1M(2125)
1:2B;3E
L202
NC
( )
Q200
S5V
DG
C119
33p/250V
C200
NC
( )
C105
50V/1u
R214 NC
( )
R213 10k
R212 4.7k
R216
4.7k
C208 NC
( )
DG
R200
0(1608)
C237
( )
NC
DP
ARXD
ASPCLK
AFERST
RING
ABITCLK
ATXD
AFECLK
C2A
C1A
AOUT/*INT
GND
VA
M0
*RGDT/FSD/M1
*OFHK
RNG2
VREG2
SC
QE2
QB
DCT3
IGND
DCT2
BTXD
AFECLK
BSPCLK
BBITCLK
BRXD
*RESET
MIC
LINEI
VD
VA
GND
LINEO
SPKRL
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)