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barclay66
Joined: 27 Jun 2011
Posts: 1304
Location: Germany
TV/Projector: Marquee 9500 Ultra
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| Posted: Tue Sep 27, 2011 7:36 pm Post subject: |
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| marciart11 wrote: | | I do not understand why I should look for the error on the motherboard connection pin. The horizontal deflection board was not changed in the damaged projector, so I do not believe that this unit could be damaged. |
By the way: Take the schematic of the frame and look up the Deflection Connectors (J23, J24 and J26). Then You can see how by misconnection (shifted by one pin) a fault on the Horizontal Deflection Board is possible too...
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marciart11
Joined: 19 Apr 2011
Posts: 51
Location: Budapest
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| Posted: Tue Sep 27, 2011 8:13 pm Post subject: |
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HI barclay66!
I have to look HCF4098BE astabil multivibrato IC ?
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barclay66
Joined: 27 Jun 2011
Posts: 1304
Location: Germany
TV/Projector: Marquee 9500 Ultra
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| Posted: Wed Sep 28, 2011 6:34 am Post subject: |
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| marciart11 wrote: | | I have to look HCF4098BE astabil multivibrato IC ? |
Hi,
that won't help. There are three of this one and if one fails the entire signal generation wouldn't work. This would affect all three output stages but not to the point that they would be destroyed...
Regards,
barclay66
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