DLP-3022 SERVICE MANUAL
MODEL NAME
DOCUMENT NO
REVISION NO
REVISION DATE
PAGE
DLP-3022
ELT040605-001
00
04/06/05
11/73
PIN CONFIGURATION
1. A/D BOARD PIN CONFIGURATION
# I : Input Port, O : Out Port, G : Ground, I/O : Input / Output Port, NC : Not Connected
Pin No
I/O
Specification
Description
1 ( +12V )
I
+12V
MAIN B/D 12V Input
2 ( +12V )
I
+12V
MAIN B/D 12V Input
3 ( AC_DET )
I
+3.3V
AC_DETECT PIN (
입전시
:high,
정전시
:low)
4 ( GND )
G
GND
Ground
5 ( GND )
G
GND
Ground
6 ( GND )
G
GND
Ground
7 ( S5V )
I
S5V
Stand-by 5V Input
8 ( GND )
G
GND
Ground
9 ( BRITE_ADJ )
O
BRIGHTNESS_ADJUST LCD Brightness Adjustment(Min:3V , Max:0V)
10 ( GND )
G
GND
Ground
11 ( BKL_ON )
O
BACKLIGHT_ON
LCD Backlight ON (ON:high, OFF:low)
CON4
12(POWER_
ON/OFF )
O
POWER_ON/OFF
POWER ON_OFF Control ( ON:low, OFF:high)
1 ( GND )
G
GND
Ground
2 ( LEDG )
O
LED_GREEN
GREEN LED CONTORL OUTPUT PORT
: High : Green LED On
3 ( LEDR )
O
LED_RED
RED LED CONTORL OUTPUT PORT
: High : Red LED On
4 ( IR )
I
5V / 0V
IR RECEIVER SIGNAL INPUT PORT
5 ( GND )
G
GND
Ground
CON2
6 ( VCC )
O
5V / 0V
OSD B/D 5V Output
1 ( POWER )
I
3.3V / 0V
POWER S/W PORT
:DC POWER ON_OFF
2 ( SOURCE )
I
3.3V / 0V
Input Source Selecting/Enter
3 ( MENU )
I
3.3V / 0V
OSD MENU Display
4 ( CH+ )
I
3.3V / 0V
TV CHANNEL CONTROL(UP)
5 ( CH- )
I
3.3V / 0V
TV CHANNEL CONTROL(DOWN)
6 ( VOL+ )
I
3.3V / 0V
SOUND CONTROL(VOLUME UP)
7 ( VOL- )
I
3.3V / 0V
SOUND CONTROL(VOLUME DOWN)
CON1
8 ( GND )
G
GND
Ground
