Casio Qt 7300 Service Manual

Ñ 69 Ñ
R315
10K R314
10K R316
10K C385
0.1U C384
0.1U C387
0.1UC389
0.1UC381
0.1UC350
0.1UC176
0.1UR274
10KR377 R309
10K-NI
8.2KR378
10K R310
51K-NIR311
51K-NIR312 R313FAN3x1D2
1N4148
D5
1N4148 D4
1N4148
R304
10K R301
10KR49
4.7K
R45
4.7K R44
4.7K CN29
HEADER 2x1
C124
0.1U C136
10U
R306
4.7K R305
4.7KR74
20K R73 R257
U33 VCC VCCVCC
VCC133VSB
CPUFAN
-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
SDA
SCL
CLKIN
IOR-
IOW-
A0
A1
A2
CS-...

Ñ 70 Ñ
U35
J18
J17
H19
G20
H18
G19
F20
G18
F19
E20
F18
D20
E19
F17
E18
D19 D15
B16
A17
C15
A16
B15
C14
A15
B14
C13
A14
B13
D12
C12
A13
B12 D10
A10
B10
C10
A9
B9
A8
C9
B8
A7
C8
B7
A6
C7
B6
A5
VAA0 VAA5D18
C19
B20
C18
A20
B19
A19
B18
C17
D16
MC0
MC1
MC2
MC3
MC4
MC5
MC6
MC7
MC8
MC9
MC10
MC11
MC12
MC13
MC14
MC15MB0
MB1
MB2
MB3
MB4
MB5
MB6
MB7
MB8
MB9
MB10
MB11
MB12
MB13
MB14
MB15MA0
MA1
MA2
MA3
MA4
MA5
MA6
MA7
MA8
MA9
MA10
MA11
MA12
MA13
MA14
MA15AA0
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA8
AA9 U2
T3
R4
T2
U1
R3
T1...

Ñ 71 Ñ
VCCM
CN11
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43 1
3
5
7
9
11
13
15
C79
180P C112
180P
AVSS1 C148
180P C137
180P2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
17
192
4
6
8
10
12
14
16
18
20
S1
G1
S2
G2 U17
SI9953-P 2N3904 Q4
2N3904 Q3 R1 +12V
51K
R48
51K
R76
4.7K R82
ENABKL
 19 ENAVDD4.7KD1
D1
D2
D28
7
6
5 1
2
3
42
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44+12VM
-12V
P1 19
P3 19
P5 19
P7 19
P9 19
P11 19
P13 19
P15 19
P17 19
P19 19
P21 19
P23 19
FLM 19
LP 19
ENABKL 19...

Ñ 72 Ñ
VCC
U32
74F174 3
4
6
11
13
14 HAND
SA0
SD3
SD2
SD1
SD0 VCC 21
0
0
1
10
1
0
11
1
1
11
1
1
11
1
1
1 0
0
0
00
0
0
00
0
1
10
1
0
1D0000-01FFF
D2000-03FFF
D4000-05FFF
D5000-07FFF 20 19 18 17 16 15 14 13
JP2
HEADER 2X2
U12
5 PGCS0-
20V8 DIP20
R308
BKLENA
PGCS0-IOW- 5,7,8,10,14,15,18
5,7,8,10,14,15,18 IOR-
5,7,8,10,14,15,18 SA[0..14]U13
DOCCSJSD0
SD13
6
8
11
14 SD2
SD3U29
B1
B2
B3
B4A1
A2
GA1#
GA2#
A3
A4
GA3#
GA4#DID0
DID1
DID2
DID3
74F125 VCC VCC2
5
1
4
9
12
10
13R307
10K
DIORDJVCCSD0
SD1
SD2
SD3D1
D2...

Ñ 73 Ñ
VCC
11 WAKEUP
LANVDD
RTL8139B
MD5
MD6
MD7
LED0
LED1
LED2
VDD
CEXT4
CEXT3
GND
TXD+
TXD-
VDD
CEXT2
CEXT1
RXIN+
RXIN-
RTSET
GND
RTT1
RTT2
RTT3
GND
XTAL50
REXTPHY
VDD
LFTS
LFTM
GND
VDD
VDD
GND
MA16
MA15
MA14
MA13
MA12
MA11102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128  AD31
AD30
AD29
AD28
AD27
AD26
AD25
AD24 3,4,15,19 PIRQA-...

Ñ 74 Ñ
VCCCORE
VCCCORE
VTT
VTT
VCC3
VCC3VCC3 VCC3
VCC3
VCC3 VCC3
VCC3
VCC3
VCC
VCC
VCC5VSB
+12V -12VC299
1U
C39
0.1UC3
0.1UC218
0.1UC290
0.1UC367
0.1UC266
0.1UC323
0.1UC339
0.1UC318
0.1UC324
0.1UC341
0.1UC390
0.1UC234
0.1UC361
0.1UC360
0.1UC274
0.1UC404
0.1U C151
0.1UC86
0.1UC85
0.1UC108
0.1UC99
0.1UC101
0.1UC135
0.1UC119
0.1UC88
0.1UC154
0.1UC84
0.1UC109
0.1UC118
0.1UC97
0.1UC76
0.1UC70
0.1U C2
1000UC35
1000UC411
1UC280
1UC388
1UC161
0.1UC160
0.1UC159
1UC407
1UC167
0.1UC166
0.1UC172
0.1UC128
0.1UC139...

Ñ 75 Ñ
MOUSEPS/2 and K/B
AU-DATA
KB-GND L2
INDUCTOR
C8
22PC6
22PC7
22P KV1 KB-VCC
AU-CLK
PS2-61
2
3
4
5
6
PS&KB
KB-VCC
KB-CLK
AU-DATA
KB-GND
KB-GNDKB-DATA
KB-GND
KB-VCC
AU-CLK VCC
JP2X5A1
3
5
7
92
4
6
8
10
USB
USB
USBVCC
UV0-
UV0+USBVCC
UV1-
UV1+
HEADER 4X2A1
2
3
45
6
7
8
CN1
JP2X5A1
3
5
7
92
4
6
8
10
KB
KB-DATA
KB-GND L1
INDUCTORL3
INDUCTOR
C5
22PC3
22PC4
22P KV2 KB-VCC
KB-CLK
PS2-61
2
3
4
5
6
UV0-
UV0+USBVCC
UV1-
UV1+
C9
0.1UFDD CN
FDDA
DSKCHG-
SIDE1-
R D ATA -
WPT-
TRK0-
WGATE-
W D ATA -
STEP-
DIR-...

Ñ 76 Ñ
NOTES :
1. Price and specifications are subject to change withput prior notice.
2. As for spare parts order and supply, refer to the ÒGUIDEBOOK for Spare Parts SupplyÓ, published
separately.
3. The numbers in item column corespond to the same numbers in drawing.
4. CASIO does not supply the spare parts without parts code.
5. Remarks
Qty : Quantity used per unit
RANK: A = Essential
B = Stock recommended
C = Less recommended
X = No stock recommended
10. PARTS LIST
PARTS LIST
MODEL : QT-7300...

Ñ 77 Ñ
37
40
38
40
35
41
36
39
43
42
39
34
40
30
31
10
19
2
13
3
21
29
15
33
33
32
20
12
25
14
23
27
28
18
26
9
11
22
1
4
16
177
5
5
6
8 

PARTS PRICE LIST
QT-7300
N Item Code No. Parts Name Specification Q Price Code R
1. Main components
N
1 9487 0558FRONT COVER /with LED COVER EDM-2313 (380/CASIO)
00-415009351CP C
N 2 9487 0529 COVER/REAR EDM-2314 (380/CASIO) 00-41500955 1 DE X
3 1904 9027 CAP/DUST SPILL 6332000010 (345) 00-41500970 1 AM X
4
1904 9070RUBBER/WATERPROOF 6322000000 (EX960AC) (50) 00-12301080
1BO X 5 1904 9044 LCD SET PIECE EAM-1420 00-11100215 4 AC X
6 9487 0617 LCD-STAND-RSL EBM-1565 00-33900305 1 BL X
7 9487 0618...