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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Wed Jun 14, 2023 2:55 am Post subject: Barco C7 image jitter |
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pic2
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Wed Jun 14, 2023 2:57 am Post subject: Barco C7 image jitter |
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pic3
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Wed Jun 14, 2023 2:58 am Post subject: Barco C7 image jitter |
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pic4
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Thu Jun 15, 2023 7:53 am Post subject: |
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Any I2C error ? Look at I2C diagnostics in the service menu.
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Thu Jun 15, 2023 12:11 pm Post subject: |
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| Hulio wrote: | | Any I2C error ? Look at I2C diagnostics in the service menu. |
Ok
Which board in the cine7 is used to control the grille and geometric adjustments?
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Thu Jun 15, 2023 1:19 pm Post subject: Barco C7 image jitter |
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pic5
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Thu Jun 15, 2023 1:20 pm Post subject: Barco C7 image jitter |
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pic6
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Thu Jun 15, 2023 1:24 pm Post subject: |
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Now, the geometric grid cannot be adjusted
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Thu Jun 15, 2023 9:27 pm Post subject: |
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Ok, no I2C errors thus.
The convergence driver board R762454 generates the horizontal and vertical waveforms. Try to replace it and give it a try.
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 2:04 am Post subject: |
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| Hulio wrote: | Ok, no I2C errors thus.
The convergence driver board R762454 generates the horizontal and vertical waveforms. Try to replace it and give it a try. |
OK！Thanks!
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 11:31 am Post subject: |
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I observed the driver board and found a pile of black layers on it. I don't know what it is? Will it affect functionality?
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 11:32 am Post subject: Barco C7 image jitter |
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pic7
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 11:42 am Post subject: Barco C7 image jitter |
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pic8
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 12:10 pm Post subject: Barco C7 image jitter |
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After cleaning, was the above line corroded and disconnected?
pic9
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 12:53 pm Post subject: Barco C7 image jitter |
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Be sure this line is broken
pic10
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Fri Jun 16, 2023 2:38 pm Post subject: |
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Could be, just replace it to be sure.
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Fri Jun 16, 2023 3:35 pm Post subject: |
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It is obvious that the driver board is faulty. I tried to connect the disconnected wire, but it took a long time and failed. I had to replace it with another driver board.
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Hulio
Joined: 15 Apr 2006
Posts: 494
Location: Belgium
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| Posted: Fri Jun 16, 2023 5:41 pm Post subject: |
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Yes, that was the advice too. So what's the outcome after replacing de conv. driver board ? Are the grid lines still distorted ?
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Sat Jun 17, 2023 12:14 am Post subject: |
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| Hulio wrote: | | Yes, that was the advice too. So what's the outcome after replacing de conv. driver board ? Are the grid lines still distorted ? |
Yes, the grid lines are normal, and the geometric adjustments are normal
Thanks!
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bluemoonhu
Joined: 16 Feb 2021
Posts: 259
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| Posted: Sat Jun 17, 2023 12:22 am Post subject: |
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Every time I turn on the cine7, the image will roll. The P676 Potentiometer may soon fail. I'm going to replace it.
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