Pin Description - LG MAX220UB Service Manual

2-2. PIN DESCRIPTION

Pin No. Pin name
1 ILM
2 GND
3 CD
4 CTRL1
5 AUDIO
6 CTRL2
7 DSP
8 CTRL3
9 FB
10 USBGT
11 EXT
12 RSNS
13 V DD
14 V CC 1
15 V CC
ILM output pin
ON when CTRL2 = M1, H
8.4 V/ 0.5 A
GND pin
CD output pin
ON when CTRL1 = H
8.0 V/ 1.3 A
CTRL1 input pin
Three value input
AUDIO output pin
ON when CTRL1 = M, H
8.4 V/ 0.5 A
CTRL2 input pin
Four-value input
DSP output pin
ON when CTRL1 = M, H
3.3 V/ 0.3 A
CTRL3 input pin
Two-value input
USB-FB pin
1.26 V
Pch-FET gate connect pin
12.0 V
EXT output pin ON
when CTRL2 = M2, H
V CC -0.5 V/ 500 mA
USB current detection resistance connection pin
14.3 V
V DD output pin
5.7 V/ 0.3 A
V DD power supply pin
Power supply pin
2-16
Description