Lic301 (Bd7776Arfs) : Cd-Rom/Dvd-Rom 7Ch Power Driver - LG RHT497H Service Manual

3. LIC301 (BD7776ARFS) : CD-ROM/DVD-ROM 7CH POWER DRIVER
• Block Diagram
CURRENT
SENSE
CURRENT
SENSE
• Pin Function
No Pin name
1 GND GND
2 DVcc PwM block control power supply
3 TLIN Tilt motor driver input
4 AVM Actuator driver block power supply
5 TKIN Tracking driver input
6 FCIN Focus driver input
7 FCO+ Focus driver inverted output
8 FCO- Focus driver non-inverted output
9 TKO+ Tilt driver inverted output
10 TKO- Tilt driver non-inverted output
11 TLO+ Tracking driver inverted output
12 TLO- Tracking driver non-inverted output
13 AGND BTL driver GND
14 LDO+ Loading driver inverted output
15 LDO- Loading driver non-inverted output
16 CTL1 Loading driver control input
17 CTL2 Loading driver control input
18 LDVM Loading driver power supply
19 Vcc Power supply
20 LDIN Loading driver input
21 PRTRST Protect input
22 PRTFLG Protect flag output
STBY
BRAKE
CONTROL
LEVEL
SHIFT
FF FF
PRE PRE
LOGIC LOGIC
LRPM
Description
LEVEL LEVEL LEVEL
SHIFT SHIFT SHIFT
PROTECT
TSD
CURRENT
SENSE
OSC
LOGIC
No Pin name
23 SLVM Motor driver power supply
24 VC Reference voltage input
25 SLIN2 Motor driver input2
26 SLIN1 Motor driver input1
27 LRPM Low speed rotational motor transfer terminal
28 SLLIM Input terminal for slide current limit
29 SLO2- Motor driver 2 non-inverted output
30 SLO2+ Motor driver 2 inverted output
31 SLO1- Motor driver 1 non-inverted output
32 SLO1+ Motor driver 1 inverted output
33 SLGND Motor driver power supply GND
34 SPGND Spindle driver power supply GND
35 V Spindle driver output V
36 w Spindle driver output w
37 U Spindle driver output U
38 SPLIM Input terminal for spindle current limit
39 SPIN Spindle control voltage input
40 C_COM Condenser connection terminal (com)
41 C_OUT Condenser connection terminal (OUT)
42 COM Motor coil input terminal
43 FG FG signal output
44 SPVM Spindle driver Power supply
4-50
BEMF
DETECTER
Description