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Sam4s ER-250RF - Page 55

Sam4s ER-250RF
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SAM4S ER-350 SERIES 10-11
4
Date
of
4
3
2
1
AB
Size
3
2
1
B
Drawn by
Sheet
C
TITLE :
D
C D
File Name
A3
Rev
Shin Heung Precision Co., Ltd.
e
P6
f
c
P5
g
P4
P2
P1
P8
dp
P9
G9
G6
G7
G3
G4
G1
G1
G2
P1_A
P2_B
VF
P6_E
BLK
G3
G6
G4
G5
G9
G7
G8
P3_F
G10
1
a
com
VF
P1_A
P3_F
P4_G
P6_E
P7_D
P10_H
G10
6
CN1:F
3
CN1:C
2
CN3:B
SEN_DISPDISCON
VFD_SCLK
VFD_LATCH
VFD_STORBE
VFD_SDIN
VF
h
P10
b
P3
P10_H
P1_A
P2_B
P5_C
P7_D
G2
G1
G3
G5
G4
G6
G8
G7
G9
P8_DP
P6_E
P4_G
P3_F
G8
G5
G2
G10
P8_DP
P7_D
SEN_DISPDISCON
P5_C
21 22
15 16
9 10
BLUE
3 4
DISPLAY(10G).SCH
1
8
CN1:H
5
CN1:E
2
CN1:B
7
CN1:G
4
CN1:D
[CN3]
ER-380 : NO POP
ER-350,RUSB : YES
[J21]
ER-380 : YES
ER-350,RUSB : NO POP
ER-350/350F
Vf= 3.43V
If= 290mA
D1
1N4003
d
P7
VDISPVCC
13
19
11
17
14
20
12
18
7
5
8
6
2
2003/04/01
V1.0
VDISP
C1
3300uF
10V
ER-380
Vf= 3.79V
If= mA
P2_B
P8_DP
P5_C
VDIS
Vbc=28.4V
Ibc= 24mA
OLD PCB INFOR.
JK41-10005A
V2.2
2001-03-21
ARRAY = 4
VFD_STORBE
VFD_LATCH
VFD_SCLK
VFD_SDIN
ER-350 DISPLAY(10G)
Note] The connection of Rear Display PCB is same as Old Version(ER-350/5100/5200/6600)
P4_G
1
CN1:A
CON-BOX;8P,2.5MM,ST
1
CN3:A
CON-BOX;2P,2.5MM,ST
EK-04
D2
[J19] Digit 10
ER-350/380 : YES
RUSB(9 Digit) : NO POP
VFD FRONT PART
1
CON-BOX;22P,2MM,2R,ST
CN2:A
Sungho,Kim
VCC
J21
[C1]
RUSB: YES
(MAIN B'D CE7 470uF16V)
ER-350/380: NO POP
2
F1
5
P3
4
P2
8
P6
7
P5
11
P9
10
P8
13
G10
16
G7
15
G8
19
G4
18
G5
22
G1
21
G2
24
F2
23
F2
1
F1
3
P1
6
P4
9
P7
12
P10
14
G9
17
G6
20
G3
0 1 2 3 4 5 6 7 8 9
0 1 2 3 4 5 6 7 8 9
V1
VFD;10-LT-50G/GK,10DIG,FUTABA
REAR VFD I/F CONN
27
SDIN
15
SCLK
1
VBB
5
O18
4
O19
8
O15
7
O16
11
O12
10
O13
17
O10
18
O9
20
O7
21
O6
23
O4
24
O3
26
O1
14
GND
28
VDD
9
O14
6
O17
3
O20
19
O8
22
O5
25
O2
12
O11
13
BLNK/nSTB
2
SDOUT
16
STB/LAT
IC-VFD;UCN5812AF,DIP,28P
U1

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