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Post by Deleted on Sept 19, 2015 9:03:12 GMT -5
In controller yes.  |
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Post by Decibel on Sept 19, 2015 9:35:18 GMT -5
R420 seems good
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Post by Deleted on Sept 19, 2015 10:25:43 GMT -5
Do you measure a connection to pin6 of I22 and pin 7 of I79?
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Post by Decibel on Sept 19, 2015 10:43:50 GMT -5
Seems good
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Post by Decibel on Sept 19, 2015 10:58:00 GMT -5
I just noticed that someone (not me) has tried to repair the controllerboard. I see manual solders to I I29 and I79  |
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Post by Deleted on Sept 19, 2015 11:04:44 GMT -5
Just to be sure that we are on the right track. Could you change RV with BV in the cable that connects the controller with the convergence board?
That should shift the problem to blue. It requires to cut the yellow cable. You can repair that with some tape or shrinking stuff if you know what I mean.
Pin 1 and pin 5 J571
That is the best I have at this point.
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Post by Decibel on Sept 19, 2015 23:01:39 GMT -5
Checked all resistors of RH and RV circuits.
All seems good.
Pins 1 and 7 of I79 (signal GH and GV reference I suppose) matching respectively with pins 2 and 6 of I22 (red chip and also I36 blue chip).
So the fault could be in I22 or D4/D5?
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Post by Decibel on Sept 19, 2015 23:18:44 GMT -5
If the last test ask by redfox will be positive we can exclude the convergences board.
Is correct?
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Post by Decibel on Sept 20, 2015 2:40:01 GMT -5
Just to be sure that we are on the right track. Could you change RV with BV in the cable that connects the controller with the convergence board? That should shift the problem to blue. It requires to cut the yellow cable. You can repair that with some tape or shrinking stuff if you know what I mean. Pin 1 and pin 5 J571 That is the best I have at this point. Negative test Redfox I tried to swap lines vertical of the blue and red. I tried to swap horizontal lines also, no change. The issue remain always to red. So the problem is to the convergences board. Correct? |
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Post by Deleted on Sept 20, 2015 5:10:45 GMT -5
Ok very good we did that test I had not expected this. So the green bow is added to the red convergence on the controller than somehow on he convergence board is is subtracted again  Because when you changed the red convergence harness yoke connector with the green the problem went to green. In between is the convergence output board only but I have no idea how that board does this. It seems impossible and I wonder if there is a communication problem? That I misunderstood something but I reread your posts. |
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Post by Deleted on Sept 20, 2015 5:12:04 GMT -5
I've done the test that you ask. The red grid has behaved like green. Instead the green grid, being connected to the connector of the red, has not reacted. So the problem is on the circuit of the convergence of the red. Now we have to understand where is the fault in the red circuit. So this is the only positive test? you swapoed the connector that is on the harness to the convergence yoke from red to green on the board? |
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Post by Deleted on Sept 20, 2015 5:43:14 GMT -5
Just to be sure that we are on the right track. Could you change RV with BV in the cable that connects the controller with the convergence board? That should shift the problem to blue. It requires to cut the yellow cable. You can repair that with some tape or shrinking stuff if you know what I mean. Pin 1 and pin 5 J571 That is the best I have at this point. Negative test Redfox I tried to swap lines vertical of the blue and red. I tried to swap horizontal lines also, no change. The issue remain always to red. So the problem is to the convergences board. Correct? After you swapped red and blue did you realise that you had to use blue controlls in the software? i mean you have to do blue convergence in the menu to now correct red! Did you realise that? |
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Post by Deleted on Sept 20, 2015 5:45:52 GMT -5
I've done the test that you ask. The red grid has behaved like green. Instead the green grid, being connected to the connector of the red, has not reacted. So the problem is on the circuit of the convergence of the red. Now we have to understand where is the fault in the red circuit. So this is the only positive test? you swapoed the connector that is on the harness to the convergence yoke from red to green on the board? And when you swapped between blue and red this test was also positive? |
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Post by Decibel on Sept 20, 2015 5:51:43 GMT -5
No no Redfox I said in post n. 555 that when I swap "conv coils" harness of the green and red, the issue change to green.
In this post I said also that the issue is certainly in the circuit of slot J157 (conv. coil red).
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Post by Deleted on Sept 20, 2015 6:32:20 GMT -5
Ok I see one possible cause of the whole miscommunication that seems to be here all the time.
1 Lets agree first on the frame board. This is the board where all the harnesses from the tubes are connected. I called this board the motherboard what you confused with the controller.
2 you seem to think that the convergence connector is the same as the deflection connector as you write the defl/conv connector.
So my question is
1 When you change the convergence connector on the frame board between red and blue does the issue shift?
2 When you change the convergence connector on the frame board between red and green does the issue shift.
Pleas answer these two questions with a simpel yes or no.
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