— 63 —
C307
0.1U
R245
10
C352
0.1U
R278
10
ADGND
470U/25V
470U/25V
C45
C46
C51
100U/25V
-NC
+12V
L25
BEAD
C438
0.1U
C308
0.01U
R247
R246
825K
825K
LM1877
ADGND
3
47U
C371
+
+
-
-
7
6
1
8
9
2
10
4
5
11
12
13
14
U31
C432
100P
C433
100P
R255
R256
825K
825K
C321
0.01U
L/R
L/L
S/L
S/R
AL
JP18
1
3
5
2
4
6
HEADER 2X3
AR
BEAD
L29
ADGND
HEADER 5X2H
MICIN
LINEL
LINER
AL
AR
MICIN
L21
R231
R230
8.2K
C291
10U
C247
10U
C439
1U
+12V
Q9
VCC
SND
VDD
C283
0.1U
C437
0.1U
AD0
AD0
16
AD1
AD1
15
AD2
AD2
14
AD3
AD3
13
AD4
AD4
12
AD5
AD5
11
AD6
AD6
10
AD7
AD7
9
AD8
AD8
7
AD9
AD9
6
AD10
AD10
5
AD11
AD11
4
AD12
AD12
3
AD13
AD13
2
AD14
AD14
99
AD15
AD15
98
AD16
AD16
88
AD17
AD17
87
AD18
AD18
86
AD19
AD19
85
AD20
AD20
84
AD21
AD21
83
AD22
AD22
82
AD23
AD23
79
AD24
AD24
76
AD25
AD25
75
AD26
AD26
74
AD27
AD27
73
AD28
AD28
72
AD29
AD29
71
AD30
AD30
70
AD31
AD31
69
CBE0
CBE1
CBE2
CBE3
CLKR
UN
FRAME
IRD
Y
TRD
Y
DEVSEL
ST
OP
LOCK
PA
R
SW
A
SWB
SWC
SWD
TA
TB
TC
TD
PCSPKI
IDSEL
PCPCIGNTB
GNTB
PCLK
PRSTB
V
OLUP
V
OLDN
CBE0-
3,5,15,22 CBE0-
3,5,14,15,22 FRAME-
3,5,14,15,22 IRD
Y
-
3,5,14,15,22
TRD
Y
-
3,5,14,15,22 DEVSEL-
3,5,14,15,22 ST
OP-
3,14,15 PLOCK-
3,5,15,22 P
A
R
3,14 PGNT3-
16 SNDPCLK
3,5,15,19,21,22 PCIRST
-
3,5,14 PREQ3-
5,14,15 PIRQB-
3,5,15,22 CBE1-
3,5,15,22 CBE2-
3,5,15,22 CBE3-
FRAME-
IRD
Y
-
TRD
Y
-
DESVEL-
ST
OP-
VCC
R234
4.7K
CBE1-
CBE2-
CBE3-
8
97
89
77
63
90
91
92
93
94
95
96
34
33
32
31
30
29
28
27
54
78
AD26
62
67
66
65
21
20
C436
0.1U
C435
0.1U
3,5,15,22 AD[0..31]
C434
0.1U
L24
BEAD
SND
VDD
U7
43
78L05
41
35
C245
C264
0.22U
0.22U
C254
VDD
A
GND
A
A
UXBL
36
A
UXBR
C255
0.22U
37
A
UXAL
C256
0.22U
38
A
UXAR
0.22U
0.22U
LINEL
LINER
C311
48
LINEL
C310
C265
C293
0.047U
0.22U
C276
1000P
C272
C260
0.1U
ADGND
C253
47U
0.1U
49
40
39
42
45
C292
0.22U
C275
1000P
44
46
LINER
MIC
CMR
CAP3D
FOUTL
CINL
FOUTR
CINR
A
OUTL
A
OUTR
MONO_O
MONO_I
INT
A
NC
NC
SIRQ
PCPCIREQB
REQB
MSI
MSO
MSD
MCLK
PCSKPC
XO
XI
GNDD
GNDD
GNDD
GNDD
18
19
24
52
81
100
0.1U
I
G
C
3
1
17
64
80
VDDD
VDDD
VDDD
VDDD
2
1
ADGND
8.2K
BEAD
1
3
5
7
9
2
4
6
8
10
CN4
27K
27K
R254
R253
R252
R277
R248
0.22U
0.22U
ADGND
ADGND
C351
C320
R276
8.2K
8.2K
51K
51K
51
50
47
25
26
56
55
23
22
53
Y5
14.318MHZ
C236
27P
C237
27P
ES1938S
60
59
58
57
61
68
1U
1U
C319
C244
C353
0.22U
R215
10K
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
12/23
SBC8360
AUDIO ESS 1938S-SOLO1
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 ...