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Old 10-31-2015, 04:15 PM
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zeno zeno is offline
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Join Date: Mar 2013
Location: New Hampshire
Posts: 4,721
Known as a 9-57-VCR. IIRC a 9-90-03 piggy backed on a
blank 9-57 board. They did work good, we put in abt a dozen
of them in the lates 70's.
I have been watching for one to reverse engineer it but no luck in
2 yrs. If anyone has one please give the details. The pin-out
should be no problem but I dont know if any changes were made to the
board itself or if the 9-90-03 was even used in a TV. This board
probably has a hoz hold pot on the board unlike the common 9-90 & an
eight pinned IC IIRC. Been to long...........

73 Zeno
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