Pioneer XV-DV232 Service Manual page 84

1
BD7995EFS (W51 DVDMAIN ASSY : IC101)
A
• Video Driver
Block Diagram
44 43 42
B
47kΩ
94kΩ
LEVEL LEVEL
SHIFT SHIFT
C
1 2 3
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
19 SLO2+ O
20 SLO2- O
21 SLIN2 I
F
22 SLIN1 I
84
1
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
Negative output of sled motor driver 2
Sled motor driver input 2
Sled motor driver input 1
2
3
35 34 33 32 31 30
3-phase MATRIX
PWM
OUT
Current
FF
LIMIT
OSC
Current
COMP
TSD
10 11 12 13 14 15
No. Pin Name I/O
23 VC
−
24 DGND
25 SPIN
26 CTL2
27 CTL1
28 FG
O
29 SPRNF
30 W
O
31 SPVM2
−
32 SPGND2
33 V
O
34 SPVM1
35 U O
−
36 SPGND1
−
37 HB
38 HW-
39 HW+
40 HV-
41 HV+
42 HU-
43 HU+
−
44 VCC
XV-DV232
3
4
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
Pin Function
I Control reference voltage input
Pre-ground for PWM block
Spindle control input
I
I Driver logic control input 2
I Driver logic control input 1
FG signal output
I Spindle current detecting input
Spindle W-phase output
I Power supply input 2 of spindle block
Power ground 2 of spindle block
Spindle V-phase output
I Power supply input 1 of spindle block
Spindle U-phase output
Power ground 1 of spindle block
Hall bias
I Hall signal W- input
I Hall signal W+ input
I Hall signal V- input
I Hall signal V+ input
I Hall signal U- input
I Hall signal U+ input
Pre loading power supply for BTL block
4
23
22