Audio Connector; Main Board Pin Assignment Introduction - Acer AL1913c Service Manual

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5.6 Audio Connector (Optional)

5.7 Main Board Pin Assignment Introduction

5.7.1 CN1 Pin assignment
Pin No.
1 INV_ADJ
2 INV_ON/OFF
3
4
5
6 VIN_19V
7 VIN_19V
8 VIN_19V
5.7.2 CN2 Pin assignment
Pin No.
1
2
3
4 AUDIO/L-
5 AUDIO/L+
6 AUDIO/R-
7 AUDIO/R+
8 PWR_SW
9
10
11 KEY_UP
12 KEY_DOWN
13
14 AUTO_ADJ
15 SOURCE_SEL
Phone Jack, d=3.5mm
Symbol
GND
GND
GND
Symbol
GND
GND
GND
LED_O
LED_G
MENU
INPUT SOURCE SELECTION
33
Description
Inverter enable
Brightness Adjustment
Ground
Ground
Ground
Input source
Input source
Input source
Description
GROUND
GROUND
GROUND
AUDIO OUTPUT
AUDIO OUTPUT
AUDIO OUTPUT
AUDIO OUTPUT
POWER KEY
ORANGE LED
GREEN LED
UP KEY
DOWN KEY
MENU KEY
AUTO ADJUSTMENT