Panasonic KX-MB1520FX7 Service Manual page 267

5
A
(1)
+5VD
!
PC104
4 1
(2)
3
2
(3)
B
(4)
C
1:1E
B
BREAK
E
Q203
DG
C
(5)
D
C160
(6)
K0.1u
CNGMUTE
(7)
(8)
(9)
DAOUT
(10)
E
(11)
DG
F
6
J102
( )
NC
D100
1 2
4 3
J109 NC
C102 680p
( )
R116
C101 680p
12(1W)
R122
12(1W)
J105
( )
NC
1:3D
LINERLY
+5VD
R125
NC
( )
1:1E
+3.3V
Q204
CIDRLY
NC
(
Q214
R299
NC
( )
NC
( )
DG
1:1D
4 1
BELL
D105
3 2
PC103
!
D201
DG
C277 R284
K0.1u 1k
Q213
1:3E
R235
180k
DG
C279
2:2A;1:1E
K0.1u R289 C239
180k
+2.5V
6
R248
5
180k
IC201
C253
270p
FAX RX
FAX TX
SP RX
MIC TX
KX-MB1520FX7/KX-MB1520FX8/KX-MB1520FXW/KX-MB1530FX7/KX-MB1530FXW
7
L106
+24V +5VD
2 3
4
Q201 1 5
RLY100
!
NC
DG
1 4
R101
( )
2 3 NC
)
RLY101
R100
( )
0.47u/250V
NC
C120
C109
( )
NC
D106
R109 47k
R198
( )
NC
1 5
4
R108
2 3
47k
T101
!
L206
2
K820p
1
0
3
R221
IC202
180k
C229
K820p
DG
1:1E
R255
SPMUTE
IC204
C214
1
CD
K1u
2
FC2
C238
3
FC1
K1u
4 VIN
DG
R249
R229 C217
C227 K3900p
22k
K0.01u
270p
7
CID
267
8
L100
21A601
L101
POS100
21A601
!
J101
(
NC
J106
( )
NC
L102 21A601
J107
L103 21A601
W5NL5T
R115 NC
( )
+5VA
R233
180k
R206
L207 C247 DG
C248 L202
10k
18RK102 K0.022u
15BD102
L203
C252 R243 L209
15BD102
10k
18RK102 K0.022u
+12V
+5VA
DG
10k
L201
8
VO2
7 L205
GND
6
VCC
5
VO1
12k
DG
DG
DG
MIC TX
SP RX
TONE
KX-MB1520FX MAIN BOARD (No.3) (2/2)
2/2
3
-2
8
1
2
3
CN100
4
5
6
7
)
8
1
2
3
CN101
4
5
6
7
2:2A
MIC+
2:2B
MIC-
CN205
1 SP-
2 SP+