Phoenix repair log - lines through picture

20eyes

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Dec 23, 2005
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Sturgeon Bay, Wisconsin
Phoenix

Problem:
Even spaced lines horizontally across screen/1st row of letters and numbers missing at top of screen.

Solution:
Found pins 3+6 stuck high on IC7 74LS136 replacing it fixed the problem.

Picture looks the same if the chip is removed entirely.
 
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