LG BD370 Service Manual page 102

2-2. Pin Function
PIN NO SYMBOL
1 spIn
2 sL1In
3 sL2In
4 spLIm
5 Vm2
6 sL2+
7 Gnd
8 sL2-
9 sL1+
10 sL1-
11 Gnd
12 U
13 V
14 w
15 ACtFLG
16 COmmOn
17 tEst
18 sLLIm
19 FG
20 En1
21 En2
22 Vm1
23 spGs
24 stth
25 ACtRst
26 Vm3
27 LO+
28 LO-
29 Gnd
30 tO-
31 tO+
32 5VCC
33 Gnd
34 FO+
35 FO-
36 tL+
37 tL-
38 tLIn
39 tOIn
40 FOIn
41 LOIn
42 REF
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Only for training and service purposes
spindle control voltage input
slide control voltage input 1
slide control voltage input ÇQ
Input terminal for spindle current limit
motor power supply ÇQ(for slide)
slide non-inverted output 2
Gnd
slide inverted output 2
slide non-inverted output 1
slide inverted output 1
Gnd
motor drive output U
motor drive output V
motor drive output w
pickup protect flag output
motor common
test
Input terminal for slide current limit
Frequency generator output
Input terminal for enable 1
Input terminal for enable 2
motor power supply 1(for spindle)
Input terminal for gain select spm
Reference voltage for spindle start up
pickup protect Reset
power supply3(for Loading)
Loading non-inverted output
Loading inverted output
Gnd
tracking inverted output
tracking non-inverted output
5V power supply (for Fs,ts,tL)
Gnd
Focus non-inverted output
Focus inverted output
tilt non-inverted output
tilt inverted output
tilt control voltage input
tracking control voltage input
Focus control voltage input
Loading control input
Reference voltage input
FUNCTION
4-21
LGE Internal Use Only