Read Sharp DV-740 (serv.man3) Service Manual online
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
A
B
C
D
E
F
G
H
I
J
DV-740/H/S/S(F)/S(R)
DV-740S(S)/W/X/(B)
DV-740S(S)/W/X/(B)
Supplement
DV-740/H/S/S(F)/S(R)
DV-740S(S)/W/X/(B)
DV-740S(S)/W/X/(B)
Supplement
12~13
WHITE
GREEN
BLACK
YELLOW
YELLOW
RED
CLOSE TO POWER DRIVER
Top connector
1
15
1
1 1
Top connector
FFC CABLE
FFC CABLE
CN2
CN3
BOTTOM LAYER
SLED-
LOAD-
SLED+
LOAD+
FOCUS+
TRACK+
SLED-
SLED+
SLED+
HOMESW
VH
H3-
H3+
H2-
H2+
H1-
H1+
DA1
H3-
H3+
H2-
H2+
H1-
H1+
DA1
VB
FOCUS-
VC
VC2
VC2
DA2
DA3
DA3
TRACK-
SLED-
LOAD-
LOAD+
SLED+
HOMESW
H3+
DA2
H2+
VB
H3-
H1-
H1+
H1+
DA3
DA1
H2-
VH
H1+
DA1
H3-
DA3
VH
SMOTOR
H2+
H2-
VC
SFGIN
SSPDON
H1-
H3+
SBJ
DA2
FOCUS-
3
FOCUS+
3
TRACK+ 3
TRACK- 3
MVREF2
2,3
STRACK 2
SFOCUS
2
SSLEG
2
HOMESW 4
DRVSB 2
OUTSW 4
INSW 4
HOMESW 4
SSPDON 2
SB
2
SMOTOR 2
SFGIN 2
TRAYSW 2
MGND
MGND
MGND
MGND
MGND
MVCC
MVCC
+8V
MVCC
MGND
MGND
+12V
MGND
MVCC
MGND
MGND
MGND
MGND
MGND
MVCC
MGND
U10
BA6849FP/FM
BA6849FP/FM
25
8
13
14
11
12
9
10
26
21
22
23
15
18
7
4
2
28
27
20
24
17
1
3
5
6
16
19
29
30
VCC
GND
H3+
H3-
H2+
H2-
H1+
H1-
VM2
ECR
EC
PS
VH
SB
A1
A2
A3
RNF
VM1
FR
FG
CNF
NC
NC
NC
NC
NC
NC
FIN
FIN
R84
1 0805
R121
0
U9
BA5954FP
BA5954FP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
29
30
VINFC
CFCERR1
CFCERR2
VINSL+
VINSL-
VOSL
VNFFC
VCC
PVCC1
PGND
VOSL-
VOSL+
VOFC-
VOFC+
STBY
BIAS
VINTK
CTKERR1
CTKERR2
VINLD
PREGND
PVCC2
VNFTK
PGND
VOLD-
VOLD+
VOTK-
VOTK+
GND
GND
C77
0.1U
R95
100K
CN2
SPINDLE MOTOR
11FPZ-SM-TF
1
2
3
4
5
6
7
8
9
10
11
2
3
4
5
6
7
8
9
10
11
H-
H3-
H3+
H2-
H2+
H1-
H1+
H+
A1
A2
A3
A2
A3
C70
100P
100P
R86
1 0805
R89
1 0805
R78
12K
C72
1U
C74
0.1U
0.1U
R90
1 0805
C68
0.1U
0.1U
C71
4700P
4700P
R79
47K
R75
47K
R76
33K
R74
10K
R80
3.3K
R73
33K
R88
R 0805
C69
100P
100P
R85
1 0805
C75
0.1U
0.1U
D7
1N4148
1
2
C73
0.1U
0.1U
J4
1
2
3
4
2
3
4
RED
BLACK
COM
INSW
R92
R
CN3
SPINDLE MOTOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
2
3
4
5
6
7
8
9
10
11
12
13
14
15
FM-
FM+
SW(CHASISS GND)
SW
H+
H-
H3-
H3+
H2-
H2+
H1-
H1+
A1
A2
A3
A2
A3
R111
10K
R94
240
R91
33
R83
1 0805
R81
10K
J3
LOADCON
1
2
3
4
5
2
3
4
5
1
2
3
4
5
2
3
4
5
R93
0
R87
240
240
R77
33
C76
0.1U
0.1U
TC9
CAP
1-6. LOADER UNIT (ROHM SPINDLE & SLED DRIVER)
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