Pioneer XV-DV232 Service Manual page 84

1
QQ
3 7 63 1515 0
BD7995EFS (W51 DVDMAIN ASSY : IC101)
A
• Video Driver
Block Diagram
44 43 42
B
47kΩ
94kΩ
LEVEL LEVEL
SHIFT SHIFT
C
1 2 3
TE
L 13942296513
Pin Function
No. Pin Name I/O
1 LDO+ O
2 LDO- O
3 FCO+ O
D
4 FCO- O
5 TKO+ O
6 TKO- O
−
7 AVM
−
8 AGND
9 TKIN I
10 FCIN I
11 LDIN I
−
12 DVCC
E
−
13 SLVDD
14 SLRNF2 I
15 SLRNF1 I
−
16 SLGND
17 SLO1+ I
18 SLO1- O
www
19 SLO2+ O
20 SLO2- O
21 SLIN2 I
F
22 SLIN1 I
84
1
http://www.xiaoyu163.com
2
41 40 39 38 37 36
HALL
BIAS
REVERSE
FG
DETECT
47kΩ
94kΩ
47kΩ
94kΩ
LEVEL
SHIFT
4 5 6 7 8 9
Pin Function
Loading driver positive output
Loading driver negative output
Focus driver positive output
Focus driver negative output
Tracking driver positive output
Tracking driver negative output
Actuater driver power supply
Ground for BTL block
Tracking driver input
Focus driver input
Loading input
Control power supply for PWM block
Pre-power supply for Sled motor MOS
Current detection input of sled motor driver 2
Current detection input of sled motor driver 1
Ground of sled motor driver power
Positive output of sled motor driver 1
Negative output of sled motor driver 1
Positive output of sled motor driver 2
x ao
y
Negative output of sled motor driver 2
Sled motor driver input 2
. i
Sled motor driver input 1
2
http://www.xiaoyu163.com
3
8
35 34 33 32 31 30
3-phase MATRIX
PWM
OUT
Current
FF
LIMIT
OSC
Current
COMP
TSD
10 11 12 13 14 15
Q Q
3 6 7 1 3
No. Pin Name I/O
23 VC I
−
24 DGND
25 SPIN I
26 CTL2 I
27 CTL1 I
28 FG O
29 SPRNF I
30 W
O
31 SPVM2 I
−
32 SPGND2
33 V
O
34 SPVM1 I
35 U O
−
36 SPGND1
−
37 HB
38 HW-
I
39 HW+
I
40 HV- I
41 HV+
I
u163
42 HU- I
43 HU+ I
.
−
44 VCC
XV-DV232
3
4
2 9 9 4 2 8
29 28 27 26 25 24
STBY/
BRAKE
FG
CONTROL
COMP
Polarity
FF
LIMIT
OSC
LIMIT
FF
PRE PRE
LOGIC LOGIC
16 17 18 19 20 21
1 5 0 5 8 2 9
Pin Function
Control reference voltage input
Pre-ground for PWM block
Spindle control input
Driver logic control input 2
Driver logic control input 1
FG signal output
Spindle current detecting input
Spindle W-phase output
Power supply input 2 of spindle block
Power ground 2 of spindle block
Spindle V-phase output
Power supply input 1 of spindle block
Spindle U-phase output
Power ground 1 of spindle block
Hall bias
Hall signal W- input
Hall signal W+ input
m
Hall signal V- input
Hall signal V+ input
co
Hall signal U- input
Hall signal U+ input
Pre loading power supply for BTL block
4
9 9
23
22
9 4 2 8 9 9