— 60 —
COM2
CN19
L49
BEAD
2
4
6
8
10
2
4
6
1
3
5
2
4
6
1
3
5
NDSR2
NR
TS2
NCTS2
MRI2
MDCD2
NRX2
NTX2
NDTR2
1
3
5
7
9
U3
VCC
VCC
VCC
V+
V-
T1OUT
T2OUT
T3OUT
T4OUT
R1IN
R2IN
R3IN
R4IN
R5IN
SHDN#
11
13
17
2
3
1
28
9
4
27
23
18
25
12
14
15
16
7
6
20
21
8
5
26
22
19
24
10
C305
0.1U
C289
0.1U
NR
TS1
NTX1
NDTR1
NRX1
NCTS1
NDSR1
NDCD1
NRI1
VCC
VCC
VCC
C1+
C1-
C2+
C2-
T1IN
T2IN
T3IN
T4IN
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
EN
VSS
VCC
VCC
V+
V-
T1OUT
T2OUT
T3OUT
T4OUT
R1IN
R2IN
R3IN
R4IN
R5IN
SHDN#
C1+
C1-
C2+
C2-
T1IN
T2IN
T3IN
T4IN
R1OUT
R2OUT
R3OUT
R4OUT
R5OUT
EN
VSS
R
TS2
TX2
DTR2
RX2
CTS2
DSR2
DCD2
RI2
8 R
TS2
8
TX2
8 DTR2
8 RX2
8 CTS2
8 DSR2
8 DCD2
8 RI2
C193
C12
11
13
17
2
3
1
28
9
4
27
23
18
25
12
14
15
16
7
6
20
21
8
5
26
22
19
24
10
NR
TS2
NTX2
NDTR2
NRX2
NCTS2
NDSR2
NDCD2
NRI2
NTX2
NR
TS2
NDTR2
NRX2
RX2
R195
0-NI
NCTS2
CTS2
R196
0-NI
NDSR2
DSR2
R177
0-NI
NDCD2
DCD2
R176
0-NI
NRI2
RI2
R175
0-NI
TX2
R
TS2
DTR2
8
7
6
5
1
2
3
4
RN3
U10
JP14
JP16
F2
F5
FUSE
F4
FUSE
VCC
MRI1
NRI1
MRI2
NRI2
MDCD1
NDCD1
MDCD2
NDCD2
+12V
F1
C174
180P
C175
180P
C185
180P
C190
180P
C196
180P
C195
180P
C184
C182
C209
C8
180P
180P
0.1U
0.1U
0.1U
8 R
TS1
8
TX1
8 DTR1
8 RX1
8 CTS1
8 DSR1
8 DCD1
8 RI1
C304
C288
0.1U
0.1U
0.1U
HEADER 5
×
2
COM1
CN18
L50
BEAD
2
4
6
8
10
NDSR1
NR
TS1
NCTS1
MRI1
NDCD1
NRX1
NTX1
NDTR1
1
3
5
7
9
C91
180P
C94
180P
C98
180P
C113
180P
C114
180P
C107
180P
C100
C92
180P
180P
HEADER 5
×
2
ADM213E_SMD
8P4R 0-NI
ADM213E_SMD
HEADER 3
×
2
HEADER 3
×
2
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
BC
DE
FG
H
I
J
K
A
BC
DE
FG
H
I
J
K
A
Description:
Board No.
Drawing No.
SBC8360
9/23
SBC8360
COM1, COM2
Содержание QT-7300 Series
Страница 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price QT 7300 EX 963 MAY 2001 ...
Страница 11: ... 9 11 Release the 9 screws of the Mother board Then remove the Mother board 1 2 3 4 5 6 7 8 9 ...
Страница 46: ... 44 All dots off All dots on A vertical line moves from right to left 1 2 3 4 5 6 7 8 1 1 1 1 1 1 1 1 ...
Страница 84: ... 82 10 DRAWER DL 2773 M Type ...
Страница 86: ... 84 DL 2915 M Type ...
Страница 88: ... 86 DL 3615 L Type ...
Страница 90: ... 88 11 DRAWING ...