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Hi TI's Friends
I am a systems engineer from Wintech inc
I am in charge of developing both DLPC7540+DLP471TE and DLPC7540 + DLP650TE 4K UHD products
We encountered some problems, please help TI to analyze these problems
First : Hardware
1, We purchased and received TI's DLPC7540EVM, DLP471TEEVM, DLP650TEEVM
Second: Software
1. The version of Composer project is 4.0.0 which was shared from TI Broad Market Software
2. The composer's version is 15.1.0
Third: XPR Actuator
1, ACT900047C-12 from miniAik
2. XPR-20 from Optotune
Fourth: Questions
1, DLPC7540 uart0 can display ACT900047C-12 information but Actuator does not work
2, The same result corresponds to the XPR-20
Fifth: Guess reasons
A, Error : composer config error
B, V4.0.0 FW do not supports
C, Hardware problems
D, DLP GUI setting error
Ask TI to help analyze the problem and give suggestions
The operation process is described in detail as follows
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For ACT900047C-12
Result: Get ACT900047C-12 actuator information successfully but ACT900047C-12 Actuator not work still
Get .47C-12 Actuator information
Composer config :
Actuator type : TI Common Actuator Interface [MCU] for miniAik Actuators and PWM mode
Change IIC address of XPR actuator 144 from default 160 of Optotune XPR-20
connecting image (tested both .47 and .65 miniAik actuator)
HDMI:
PC read EDID successfully and IT6807 led is on
DMD:
DLP471TE DMD displays PC desktop image successfuly
why XPR actuators all do not work
I suspect that the composer project version 4.0.0 is too low which do not support XPR
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For XPR-20, Test repot
Result: Get XPR-20 actuator information successfully but XPR-20 Actuator not work still
Hardware :
DLPC7540EVM + DLP 471TEEVM + XPR-20 (Optotune)
Composer Configs:
A . Actuator Type : TI Common Actuator Interface [EEPROM] + 24C64 + Position 20
B, Driver Mode : PWM (default is DAC) (refer to XPR-20 datasheet
Debug log:
Get XPR-20 Actuator informations successfully (Please refer to Annex <debug-log.txt> attachment)
FW version :
Firmware version is 4.0.0 not 4.4.0 or later
But Optotune XPR-20 need the latest firmware then V 4.0.0
Hardware:
Schematic copied from DLPC7540EVM Formatter Board P14
this design support PWM only 4-way (DLPC4422EVM support DAC only 2-way)
so I changed to PWM mode from default DAC mode in the Composer Actuator config
Optotune suggest modifying the TI PWM reference scheme
Do I need to modify refering to XPR-20 datasheet
Composer project:
Can you share me the latest composer project which includes the latest FW
My TI account is jiawq@dspchina.com
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Calibration Pattern:
XPR did not work When enable Calibration Pattern From TI GUI 3.1.0.5
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Can you guide me to make XPR work
I have experience in using XPR and developed products using DLPC4422+DLP660TE+2-way actuator
and understand how XPR works
And make sure there is no problem with the hardware connection including HDMI, DMD, XPR and so on
Thank you for any information and help
Best Regards
Jia
Sorry : please change the thread title to “Actuators do not work on the DLPC7540EVM”
Hi Jia,
Thank you for the detailed questions. The team is looking at your questions on the best way to support (E2E or direct). We will have more info tomorrow.
Regards,
Matt
Hi Matt
Thanks for your advancing this question
I will continue to test and give you new feedback
At the same time I look forward to hearing from you
Thank you
Best Regards
Jia
Hi Jia,
For starters, is the actuator making any sound when it should be on?
-Aaron