— 67 —
OSCV
GA 19
DCLK0
DCLK1
DCLK2
DCLK3
DCLKREF
27P
C11
10P-NI
10P-NI
C13
10P-NI
C15
10P-NI
C21
C22
PICCLK 1
CPUHCLK 1
BXHCLK 2
DCLK0 4
DCLK1 4
DCLK2 4
DCLK3 4
DCLKREF 2
PCLK0 15
PCLK1 15
PXPCLK 5
BXPCLK 3
SNDPCLK 12
LANPCLK 22
OSCPX4 5
24MHZ 8,10
48MHZ 5
OSC781 18
OSCPIC 21
OSCISA 15
C314
10P
R240
22
11
C281
10P
R236
22
8
C342
10P
C147
27P
C142
27P
C188
0.1U
C177
0.1U
C169
0.1U
C158
0.1U
DCLKREF=5345 HIL
DCLK0=3242 HIL
DCLK1=3243 HIL
DCLK2=3243 HIL
DCLK3=3243 HIL
CFUHCLK=4176
EXHCLK=5176 HIL
DCLKC=1933 HIL
FCLK0=8373 HIL
FCLK1=8334 HIL
BXFCLK=11174 HIL
BXFCLK=11175 HILL
LANFCLK=13174 HIL
SNDFCLK=13175 HIL
C144
0.1U
C164
0.1U
C171
0.1U
C206
10U
C183
0.1U
C192
0.1U
C200
10U
VDD3
VDD25
VCC3
NC
L18
10
R411
2_5V
BEAD
VCC3
L17
R271
U27B
U27A
74LS32
74LS32
22
6
4
1
33
R162
22
R156
C33
27P
33
R26
C26
10P
33
R23
C10
10P
10
R12
C14
10P
10
R15
C16
10P
10
R17
C20
10P
22
R18
C23
10P
C25
10P-NI
C31
10P-NI
C34
27P
C30
27P
22
R21
VCC3
0
10
10
33
33
R20
2
PCISTP#/REF0
U2
VDDL1(IO
APIC)
VDDL2(CPU)
VDD1(XT
AL/24/48)
Y3
14.318MHZ
C201
10P
C202
4
5
48
42
1
VDD2(PCICLK)
6
VDD2(PCICLK)
14
VDD3(SDRAM)
19
VDD3(SDRAM)
30
VDD3(SDRAM)
36
VDD4
27
GND
45
GND
39
GND
33
GND
22
GND
16
GND
9
GND
3
S
D
ATA
23
SCLK
4,6, 14 SMBD
A
T
A
R11
FS3
FS2
VCC3
22
4,6, 14 SMBCLK
2 DCLK
O
R218
R217
R216
JP8
HEADER 3X2
12
34
56
R223
R235
R10
R9
10K
10K
3.3K
3.3K
10K
FS0
FS1
10K
10K
R205
MODE
10K
W83194-39A
24
VDD3
VDD25
10P
×
1
×
2
47
IO
APIC(REF)
44
CPUCLKF
43
CPUCLK1
38
SDRAM0
37
SDRAM1
35
SDRAM2
34
SDRAM3
32
SDRAM4
31
SDRAM5
29
SDRAM6
28
SDRAM7
21
SDRAM8
20
SDRAM9
18
SDRAM10
17
SDRAM11
40
SDRAM12
41
CPUSTP#
8
FS3
MODE
PCICLK0/FS3
10
PCICLK1
11
PCICLK2
12
PCICLK3
13
PCICLK4
7
PCICLK_F/MODE
15
B
UFFER_IN
46
REF1/FS2
25
24MHZ/FS1
26
FS2
FS1
FS0
48MHZ/FS0
R22
R25
R27
R24
0
0
0
22
R19
R16
R14
R13
R183
10K
2
5
U27C
74LS32
9
10
U27D
74LS32
12
13
3
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
16/23
SBC8360
CLK GEN AND CLK BUFFER
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 ...