Ip9009 - LG FB162-A0U Service Manual

3. IP9009

• PIN CONFIGURATION
• BLOCK DIAGRAM
• PIN DESCRIPTION
No SYMBOL I/O
1 FWD I
2 REV I
3 CTL I
4 PS I
5 IN1 I
6 IN2 I
7 SVCC -
8 PVCC1 -
9 VOL- O
10 VOL+ O
11 VO2- O
12 VO2+ O
13 VO1- O
14 VO1+ O
LGE Internal Use Only
SYMBOL
Loading motor forward input
Loading motor reverse input
Loading motor speed control
Power save
CH1 input
CH2 input
Signal power supply
Power supply 1
Loading driver output(-)
Loading driver output(+)
CH2 driver output(-)
CH2 driver output(+)
CH1 driver output(-)
CH1 driver output(+)
No SYMBOL
15 VO4+
16 VO4-
17 VO3+
18 VO3-
19 GND
20 PVCC2
21 MUTE
22 IN3
23 IN4
24 Vdet
25 Reset
26 REOadj
27 REBadj
28 BIAS
3-6 Copyright © 2007 LG Electronics. Inc. All right reserved.
I/O SYMBOL
O CH4 driver output(+)
O CH4 driver output(-)
O CH3 driver output(+)
O CH3 driver output(-)
- Ground
- Power supply 2
I Mute
I CH3 input
I CH4 input
I Reset controller input
O Reset controller output
O Adjustable regulator feedback
O Adjustable regulator control
I Bias
Only for training and service purposes