4-10
Service Manual
Y108540-8
4.9 DISPLAY CIRCUIT
The cash registers use union jack displays, controlled by the VFD controller. Lower operator display and client
display are connected in parallel. The lower operator display and the client display are controlled by U1, ET16311
for controller. The upper operator display is controlled by U2. The ECR 6800 does not use this type of display.
ECR 6800 - OPERATOR DISPLAY CIRCUIT
39
38
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
2
1
DG1
10-LY-01G
VFDL_DP
VFDL_Li
ne
VFDL_d1
VFDL_e
VFDL_c
VFDL_g
VFDL_f
VFDL_b
VFDL_p
VFDL_a1
VFDL_10G
VFDL_9G
VFDL_8G
VFDL_7G
VFDL_6G
VFDL_5G
VFDL_4G
VFDL_3G
VFDL_2G
VFDL_1G
VFDL_r
VFDL_n
VFDL_m
VFDL_k
VFDL_j
VFDL_h
F1
F1
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
NC
NC
-
com
DP
F2
F2
d2
d1
c
b
a1
a2
f
k
r
g
m
h
n
e
j
p
VFD_CS1#
VFD_DATA
VFD_CLK
Main Board
1
2
3
4
5
6
7
8
9
C4
*1000pF
C5
*1000pF
C6
*1000pF
SG3/KS3
17
SG4/KS4
18
SG5/KS5
19
SG6/KS6
20
SG7/KS7
21
SG8/KS8
22
SG9/KS9
23
SG10/KS10
24
SG11/KS11
25
S12/K12
26
S13/G16
27
SG14/GR15
28
SG15/GR14
29
SG16/GR13
30
SG17/GR12
31
SG18/GR11
32
VDD
33
VEE
34
SG19/GR10
35
SG20/GR9
36
GR8
37
GR7
38
GR6
39
GR5
40
GR4
41
GR3
42
GR2
43
GR1
44
K3
12
K4
13
VDD
14
SG1/KS1
15
SG2/KS2
16
SW
1
1
SW
2
2
SW
3
3
SW
4
4
DOUT
5
DI
N
6
NC
7
CLK
8
STB
9
K1
10
K2
11
VDD
45
LED5
46
LED4
47
LED3
48
LED2
49
LED1
50
GND
51
OSC
52
U1
PT6311
JP1
*JU
M
PER
JP2
JUMPER
VFDL_d2
VFDL_a2
+
EC1
10uF_16V
VCC
VF1
VF2
-Vpw
VCC
VCC
R1
56k
C1
0.1uF
VCC
1
2
3
4
5
6
7
8
9
RM1
100k x 8
C3
*1000pF
VCC
VF1
VF2
-Vpw
+
EC3
330uF_16V
VFD_CS2#
VFDL_com
VFDL_d1
VFDL_e
VFDL_c
VFDL_g
VFDL_f
VFDL_b
VFDL_a1
VFDL_n
VFDL_m
VFDL_k
VFDL_j
VFDL_h
VFDL_d2
VFDL_a2
VFDL_DP
VFDL_Li
ne
VFDL_com
VFDL_10G
VFDL_9G
VFDL_8G
VFDL_7G
VFDL_6G
VFDL_5G
VFDL_4G
VFDL_3G
VFDL_2G
VFDL_1G
VFDL_p
VFD1
Remote Display (1/2)
Remote Display (2/2)
C7
0.1uF
+
EC4
100uF_50V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN2
B16B-PH-K-S
VFDL_r
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CN3
B15B-PH-K-S
Fig. 4-7
Client Display (1/2)
Client Display (2/2)
Mainboard
(1)
(2)
Содержание ECR 6800
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