ELT-3020AP SERVICE MANUAL
E-RAE ELECTRONICS
MODEL NAME
DOCUMENT NO
REVISION NO
REVISION DATE
PAGE
ELT-3020AP
RD(1)
00
04/03/31
15/55
A/D BOARD PIN CONFIGURATION
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
+5V
AC_DETECT PIN
4 ( GND )
GND
Ground
5 ( GND )
GND
Ground
6 ( GND )
GND
Ground
7 ( S5V )
I
S5V
MAIN 5V Input
8 ( GND )
GND
Ground
9 ( BRITE_ADJ )
O
BRIGHTNESS_ADJUST
LCD Brightness Adjustment
10 ( GND )
GND
Ground
11 ( BKL_ON )
O
BACKLIGHT_ON
LCD Backlight ON
CON4
12(POWER_
ON/OFF )
O
POWER_ON/OFF POWER ON_OFF Control
1 ( GND )
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 )
GND
Ground
CON2
6 ( VCC )
O
5V / 0V
OSD B/D 5V Output
1 ( POWER )
I
5V / 0V
POWER S/W PORT
:DC POWER ON_OFF
2 ( SOURCE )
SOURCE SELECT
Input Source Selecting
3 ( MENU )
I
MENU
OSD MENU Display
4 ( CH+ )
I
CHANNEL UP
TV CHANNEL CONTROL(UP)
5 ( CH- )
I
CHANNEL DOWN TV CHANNEL CONTROL(DOWN)
6 ( VOL+ )
I
VOLUME UP
SOUND CONTROL(VOLUME UP)
7 ( VOL- )
I
VOLUME DOWN
SOUND CONTROL(VOLUME DOWN)
CON1
8 ( GND )
GND
Ground
