Ic301 (Bd7956Fs) : Cd-Rom/Dvd-Rom 7Ch Power Driver - LG RC-185 Service Manual

IC301 (BD7956FS) : CD-ROM/DVD-ROM 7CH POWER DRIVER

• BLOCK DIAGRAM
LDO- 1
LDO+ 2
3
Vcc
4
ACTIN1
ACTIN2 5
6
TJMON
7
BTHC
SPVM_S 8
PGND1 9
10
PGND2
11
U
12
SPV 1
M
V 13
14
fin
PGND3 15
16
W
17
SPV 2
M
SPRNF 18
HB 19
HU+ 20
21
HU-
22
HV+
23
HV-
24
HW+
25
HW-
26
SPIN
DGND 27
50k
100k
50k
100k
50k
100k
33.6k
33.6k
47k
5-41
54
ACO1+
53
ACO1-
52
ACO2+
51
ACO2-
50
ACO3+
49
ACO3-
48
AV
M
47
ACTIN3
46
LDIN
45
AGND
44
SPCNF
43
FG
42
V
C
41
fin
40
SLO1+
39
SLO1-
38
SLO2+
37
SLO2-
36
SLGND
35
CTL2
34
CTL1
33
SLRNF2
32
SLRNF1
31
SLV
DD
30
SLIN2
29
SLIN1
28
DVcc