— 69 —
R315
10K
R314
10K
R316
10K
C385
0.1U
C384
0.1U
C387
0.1U
C389
0.1U
C381
0.1U
C350
0.1U
C176
0.1U
R274
10K
R377
R309
10K-NI
8.2K
R378
10K
R310
51K-NI
R311
51K-NI
R312
R313
F
AN3x1
D2
1N4148
D5
1N4148
D4
1N4148
R304
10K
R301
10K
R49
4.7K
R45
4.7K
R44
4.7K
CN29
HEADER 2x1
C124
0.1U
C136
10U
R306
4.7K
R305
4.7K
R74
20K
R73
R257
U33
VCC
VCC
VCC
VCC
13
3VSB
CPUF
AN
-5VD+
-5VD-
-12VD+
-12VD-
+12VD
VCCD
VCC3D
VCORE
VTTD
W83781D
16
18
19
20
28
29
31
30
32
33
34
36
35
37
40
39
38
42
MR
SD
A
SCL
CLKIN
IOR-
IO
W
-
A0
A1
A2
CS-
D0
D1
D2
D3
D4
D5
D6
D7
VID0
VID1
VID2
VID3
VID4
SMI-
RST
OUT
-
BEEP/GPO-
IRQ
R290
11 BEEP
6.14 EXTSMI-
1,17 VID[0..3]
4.7K
R152
VCC3
5 PGCS1-
5,7,8,10,14,15,21 SD[0..7]
5,7,8,10,14,15,21 SA[0..2]
16 OSC781
5,7,8,10,14,15,21 IOR-
5,7,8,10,14,15,21 IO
W
-
5,8 RSTDR
V
4.7K
VCC
GNDD
14
27
GNDA
15
22
21
3
1
2
CASEOPEN
F
AN1 IN/OUT
F
AN2 IN/OUT
F
AN3 IN/OUT
-5VIN
-5V
OUT
-12VIN
-12V
OUT
+12VIN
+5VIN
+3.3VIN
VCOREA
VCOREB
VREF
VTIN1
VTIN2
VTIN3
OV
T
.
47
46
45
48
11
10
9
8
7
6
5
4
41
12
24
25
17
SA0
SA1
SA2
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
VID0
VID1
VID2
VID3
44
23
26
43
1
2
20K
10M-NI
+12V
+12V
+12V
+12V
+12V
+12V
R302
20K
R303
10K
F
AN 3x1
F
AN 3x1
CN1
CN7
CN26
3
2
1
3
2
1
3
2
1
-5V
-12V
+12V
VCC3
VCCCORE
VTT
20K-NI
20K-NI
R291
210K
R292
20K
R266
R319
R298
10K
10K
10K
VCC
R275
51K
C383
0.1U
12V
G
S
PU5
SYSTEM
CPU
TEMP
CN30
HEADER2x1
CN28
TRJT
-1
TC1
TR-1S 10K
1
2
1
2
F
AN1
F
AN3
F
AN2
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
18/23
SBC8360
SYSTEM MONITOR
Summary of Contents for QT-7300 Series
Page 1: ...SERVICE MANUAL ELECTRONIC CASH REGISTER without price QT 7300 EX 963 MAY 2001 ...
Page 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 ...
Page 84: ... 82 10 DRAWER DL 2773 M Type ...
Page 86: ... 84 DL 2915 M Type ...
Page 88: ... 86 DL 3615 L Type ...
Page 90: ... 88 11 DRAWING ...