Circuit Description
7
DLPU070B – July 2018 – Revised February 2019
Copyright © 2018–2019, Texas Instruments Incorporated
DLP3010 Light Control EVM User’s Guide
7
Circuit Description
7.1
Connectors, Switch, and Push Buttons on Main Board
Table 3. Installed Connectors on Main Board
INSTALLED CONNECTORS/HEADERS
DESCRIPTION
J1
MSP430 JTAG programming interface connector
J2
Header for 5-V DC power (not installed by default)
J3
Connector for audio
J4
Unsupported
J5
Header for EDID programming
J6
Connector for HDMI input
J7
Header for 5-V DC power used for fan connection
J8
Unsupported
J9
60-pin connector for DLP Light Control Display board
J10
Connector for 19-V external power supply interface
J11
Header for voltage level selection for Trigger-in/out (Install jumper to receive
output signal this is not included with the EVM )
J12
Header for remaining DLPC3478 test points (not installed by default)
J13
Connector for Mini-USB cable
J14
Connector for the I
2
C interface (DevaSys box) (not installed by default)
Table 4. Installed Push Buttons and Switch on Main Board
INSTALLED SWITCHES/PUSH BUTTONS
DESCRIPTION
SW1
Projector ON/OFF switch
PB-UP1
Source selection
• First press: TPG
• Second press: HDMI input
• Third press: Splash screen
PB-SEL1
Cycle through displaying 7 curtain colors
PB-DOWN1
Flip image N/S or E/W
PB_LEFT1
Cycle 9 different TPG patterns after TPG source selected
Cycle 4 different splash screens after splash source selected
Change of volume when HDMI input is selected
PB_RIGHT1
Change LED current total 7 steps
Change of volume when HDMI input is selected
7.2
Connectors on DLP3010 Light Control Display Board
Table 5. Installed Connectors on the DLP3010 Light Control Display Board
INSTALLED CONNECTORS/HEADERS
DESCRIPTION
J1
Connector for the DMD flex cable
J2
Connector for LED cable
J3
Connector for selecting 3DR signal usage (Display or Light Control)
J4
Connector for Trigger-in and Triger-out for Light Control Application
J5
60-pin connector for DLP Light Control Display board