XV-DV350
84
1
2
4
1
2
3
4
C
D
F
A
B
E
• Video Driver
47k
Ω
94k
Ω
1
LDO+
2
LDO-
3
FCO+
4
FCO-
5
TKO+
6
TKO-
7
AVM
8
AGND
9
TKIN
10
FCIN
11
LDIN
12
DVCC
13
SLVDD
14
SLRNF2
15
SLRNF1
16
SLGND
17
SLO1+
18
SLO1-
19
SLO2+
20
SLO2-
21
SLIN2
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
SLIN1
VCC
HU+
HU-
HV+
HV-
HW+
HW-
HB
SPGND1
U
SPVM1
V
SPGND2
SPVM2
W
SPRNF
FG
CTL1
CTL2
SPIN
DGND
VC
BD7995EFS (W51 DVDMAIN ASSY : IC101)
Block Diagram
Pin Function
LEVEL
SHIFT
No. Pin Name
I/O
Pin Function
No. Pin Name
I/O
Pin Function
1
LDO+
O
Loading driver positive output
23
VC
I
Control reference voltage input
2
LDO-
O
Loading driver negative output
24
DGND
−
Pre-ground for PWM block
3
FCO+
O
Focus driver positive output
25
SPIN
I
Spindle control input
4
FCO-
O
Focus driver negative output
26
CTL2
I
Driver logic control input 2
5
TKO+
O
Tracking driver positive output
27
CTL1
I
Driver logic control input 1
6
TKO-
O
Tracking driver negative output
28
FG
O
FG signal output
29
SPRNF
I
Spindle current detecting input
30
W
O
Spindle W-phase output
31
SPVM2
I
Power supply input 2 of spindle block
32
SPGND2
−
Power ground 2 of spindle block
33
V
O
Spindle V-phase output
Control power supply for PWM block
34
SPVM1
I
Power supply input 1 of spindle block
Pre-power supply for Sled motor MOS
35
U
O
Spindle U-phase output
Current detection input of sled motor driver 2
36
SPGND1
−
Power ground 1 of spindle block
Current detection input of sled motor driver 1
37
HB
−
Hall bias
16
SLGND
−
Ground of sled motor driver power
38
HW-
I
Hall signal W- input
17
SLO1+
I
Positive output of sled motor driver 1
39
HW+
I
Hall signal W+ input
18
SLO1-
O
Negative output of sled motor driver 1
40
HV-
I
Hall signal V- input
19
SLO2+
O
Positive output of sled motor driver 2
41
HV+
I
Hall signal V+ input
20
SLO2-
O
Negative output of sled motor driver 2
42
HU-
I
Hall signal U- input
21
SLIN2
I
Sled motor driver input 2
43
HU+
I
Hall signal U+ input
22
SLIN1
I
Sled motor driver input 1
44
VCC
−
Pre loading power supply for BTL block
LEVEL
SHIFT
PRE
LOGIC
STBY/
BRAKE
CONTROL
3-phase MATRIX
PRE
LOGIC
LIMIT
FF
LEVEL
SHIFT
47k
Ω
47k
Ω
FF
OSC
15k
Ω
15k
Ω
47k
Ω
47k
Ω
47k
Ω
94k
Ω
47k
Ω
94k
Ω
LIMIT
FF
OSC
PWM
OUT
Current
LIMIT
HALL
BIAS
FG
REVERSE
DETECT
TSD
FG
COMP
Polarity
Current
COMP
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TEL 13942296513 QQ 376315150 892498299