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115
DP-1520P/1820P/1820E
SEP 2004
Ver. 1.0
4.9.
MJR PC Board
A
B
C
D
1
2
3
4
2
1
3
4
Drawing Name
Model
MJR PC Board (1/1)
DP-1820P/1820E
CML Relay
Drive
+5V: OFF Hook
Less than +0.5V:
ON Hook
Drive
+5V: OFF Hook
Less than +0.5V:
ON Hook
OFF Hook Detection
of Handset or
EXT.TEL
of Handset or
EXT.TEL
Ring Detection
(Energy Saver)
(Energy Saver)
FL05RD200A
L3
ARG1
FL05RD200A
L4
FL05RD200A
L1
FL05RD200A
L2
FG
FL05RD200A
L11
FL05RD200A
L12
LHL08NB272J
L8
LHL08NB332J
L7
GND
UF1717V282Y0R5
NF3
2
4
1
3
VR61SS
3.83V
VA10
1
2
PC814A
PC1
3
2
4
1
GND
PC817B
PC2
3
2
1
4
250V
1uF
C103
TL1
+5VP
10V
220uF
C100
+24V
THS-56F
IC20
1
IN1
3
GND
7
VCC
4
AOUT
5
OUT2
6
OUT1
2
IN2
+5VP
+24V
GND
250.0V
0.033uF
C107
250.0V
0.033uF
C108
250.0V
0.033uF
C106
ATXD20428
RL1
1
+V
12
-V
3
4
4
5
10
8
9
NV390D05
VA13
+5VP
+5VP
+5VP
GND
GND
R41-4910C
CNJ20
1
CNJ20
2
CNJ20
3
CNJ20
4
CNJ20
5
CNJ20
6
UF1717V282Y0R5
NF4
2
4
1
3
JP5
JP6
+5VP
TC74HC00AP
IC22
2
3
1
TC74HC00AP
IC22
5
6
4
TC74HC00AP
IC22
10
8
9
TC74HC00AP
IC22
13
11
12
TC74HC00AP
IC22
GND
7
VCC
14
50.0V
0.1uF
C183
DTC143ZSA
Q10
2
1
3
4.7K
0.25W
R131
10K
0.25W
R116
10K
0.25W
R117
RD3.6ES-AB
D5
K
A
RD3.6ES-AB
D6
K
A
1N4531
D3
K
A
1N4531
D9
K
A
R41-4910A
CNJ23
3
CNJ23
4
R41-4910A
CNJ21
3
CNJ21
4
10K
0.25W
R128
10K
0.25W
R129
18
0.25W
R127
270
0.25W
R125
AGND
GND
JP7
FL05RD200A
L5
FL05RD200A
L6
DSS-401M-S00B
VA
1
1
2
DSS-401M-S00B
VA
2
1
2
RA-391M-C6-Y
VA
4
12
RA-391M-C6-Y
VA
9
12
ULR-11915NVK
RL2
P2
P1
1
2
GND
RA-391M-C6-Y
VA
6
1
2
35.0V
47.0uF
C101
21
16.0V
10.0uF
C102
21
CNP25
1
CNP25
2
CNP25
3
CNP25
4
CNP25
5
CNP25
6
CNP25
7
CNP22
1
CNP22
3
JW1
JW2
JW3
JW4
JW5
JW6
JW7
JW8
1
RA-391M-C6-Y
-2
RA12
1
2
Handset
T2
T1
T1
L2(T)
ARG
T2
L1(R)
LINE
T2
EXT.TEL
T1
GND
L1(R)
L2(T)
S2(3)B-PH-K-S
+24V
to SC PCB
(CNP114)
*4
*3
+5VP
pCMLD
nCTON
nHKOF
N.C. (no pins)
*5
L2
L12
L11
L1
Mounted
Mounted
Mounted
Mounted
Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
DZEP000698X / DX
Other
*1 Table
to SC PCB
(CNP111)
S7B-PH-K-M
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
*1
*1
*1
*1
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
Not Mounted
AGND
0 ohm JP
C100
For AC Insertion Loss
*6
For Insulation
Voltage Test
Voltage Test
PC2
Used for Wake Up Triger Only
Primary Circuit
Secondary Circuit
Secondary Circuit
Other
DZEP000698X /DX
*7
*7
VA4
RA-501M-C6-Y
RA-501M-C6-Y
RA-501M-C6-Y
VA9
*7
*7 Table
CX,GX
*3
*4
*5
*6
*5
*6
CNJ20
X
AX,BX,CX
R41-4910A
R41-4910C
RA-391M-C6-Y
RA-391M-C6-Y
RA-391M-C6-Y
VA12
RA-391M-C6-Y
Not Mounted
Not Mounted
Not Mounted
DX
R41-4910A
EX,FX,GX
R41-4910C
CNJ23
R41-4910A
R41-4910A
Not Mounted
Not Mounted
L5
FLR05RD200A FLR05RD200A
Not Mounted
Not Mounted
FLR05RD200A
L6
Not Mounted
FLR05RD200A
Not Mounted
*8 Table
*8
*8
*8
*8
*9
RD3.6ES-AB
Other
RD3.6ES-AB
RD8.2ES
AX,EX
*9
*9
ON Line
Hook OFF
RING
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