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DS90UB925Q-Q1: DS90UB925-Q1 and DS90UB928-Q1 color issue.

Lawrence He

Genius 3280 points

Part Number: DS90UB925Q-Q1
Other Parts Discussed in Thread: DS90UB928Q-Q1

Dear,

our client use DS90UB925 and DS90UB928 For IVI product, but we find the 18bit color is good, but 24bit color was terrible.

what`s going on?

Catch pic as below:

If any suggestion, Please advise me.

Thanks,

Best regards,

Lawrence.

over 7 years ago

0 Steven(Shenzhen) Shi over 7 years ago

TI__Mastermind 30515 points

Lawrence,

Can you please check the 24bits video input format, are they mapped correctly in UB928's LVDS output lanes?

Best regards,

Steven

0 Lawrence He over 7 years ago in reply to Steven(Shenzhen) Shi

Genius 3280 points

Hi, Steven

your mean is check input video data format?

and our client check Panel side DS90UB928Q-Q1 pin26 MAPSEL=L

we show 18 bit and 24 bit schematic as below:

DS90UB925 18bit schematic:

DS90UB925Q-18bit.pdf

DS90UB925 24Bit schematic:

DS90UB925Q-Q1_24bit.pdf

If any suggestion, Please advise me.

Thanks,

Best regards,

Lawrence.

0 Steven(Shenzhen) Shi over 7 years ago in reply to Lawrence He

TI__Mastermind 30515 points

yes, please check the input video format when working at 24bits.

regards,
Steven