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INTV1 type 1591?


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Hi there,

 

a couple of days ago I purchased a dead INTV1. I disassembled it to check the power supply and was very suprised because the power supply and the main board looked a bit different to the ones I saw in the past.

 

This machine has a power supply with an additional transistor and an additional board which is supposed to be for video encoding:

 

post-31620-0-72051300-1325443083_thumb.jpg

 

The case is printed with "1591" and has a switch for "SOUND CONTROL":

 

post-31620-0-67318800-1325443061_thumb.jpg

 

Does anybody know this machine? Where can I download the manuals and schematics? I repaired the power supply and substituted the voltage regulators, capacitors etc., the voltages are ok now. My next step would be connecting a composite video mod to proof that the mainboard generates a valid signal. But I do not understand the layout without a documentation.

 

Can you please help?

 

Thanks, Christian

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