Focus adjustment
Light Engine
5
DLPU034C – June 2015 – Revised November 2016
Copyright © 2015–2016, Texas Instruments Incorporated
DLP
®
LightCrafter™ Display 4710 EVM User’s Guide
3
Light Engine
The optical engine in the EVM is developed by Qisda and is production ready.
The light engine consists of the following components:
•
0.47-inch 1080p DMD (DLP4710)
•
OSRAM P1W red, green, and blue LED
Table 1. Optical Engine Specifications
PARAMETER
MIN
TYP
MAX
UNIT
Brightness at 12-A LED current
456
lm
LED current
12
A
Brightness uniformity
73%
Offset
100%
Throw Ratio
1.108
Focus range
30
100
inch
4
Quick-Start Procedure
This quick-start assumes default conditions as shipped.
1. Power up the DLP LightCrafter Display 4710 EVM by applying an external DC power supply (12-V DC,
6.67 A) to the J_PWR connector.
External power supply requirements:
•
Nominal output voltage: 12 VDC
•
Max output current: 6.67 A
•
Efficiency Level V
NOTE:
TI recommends using an external power supply that complies with applicable regional safety
standards such as (by example) UL, CSA, VDE, CCC, PSE, and so forth. The D_12ON LED
indicates that 12-V power is applied.
2. Move the SW_MSPONOFF switch to the
on
position to turn the DLP LightCrafter Display 4710 EVM
on. D_PROJON LED indicates that the LightCrafter Display 4710 EVM is turned on.
3. After the DLP LightCrafter Display 4710 EVM is turned on; the projector will display a DLP LightCrafter
Display splash image by default.
4. The focus of the image can be adjusted on the optical engine.
Figure 3. Optical Engine With Focus Adjustment
5. Connect USB to the LightCrafter Display 3010 EVM and open the GUI on your computer. If needed,
connect an HDMI source to the EVM and communicate to the EVM through the GUI software.
6. When turning off the projector, turn off the SW_MSPONOFF switch prior to removing the power cable.
CAUTION
To avoid potential damage to the DMD, TI recommends to turn off the projector
with the SW_ONOFF before disconnecting the power.
