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Blueyoda

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Posts posted by Blueyoda


  1. On 3/5/2013 at 12:01 AM, atariluvr77 said:

    NOTE: there are 2 TYPOS in the flowchart...

     

    #1 typo is on sheet 2 where it asks if the Q1 transistor "emitter" leg is greater than 1.8 volts... my unit WAS greater so I went to my fix ok, but if the answer would have been NO, then you would have went to check R1, C5, and "J9" -- THERE IS NO J9 and it should read C9

     

    #2 typo is probably more in line with this thread and involves the optical sensor... it is marked in the repair manual as part #555941 -- I have opened a few of these now and the part is actually stamped S-55941, thats S as in "sam" -- and MAY stil be available because 2 of the units I opened had the optical sensor marked as being made by LITON, part number 8312 -- it's also important to note that the color of your optical sensor determines whether it's "5K" or "10K" and results in resistors of different values being used.

     

    I'm confused about this because on sheet 2 you'd check R9, C1 and J5 and NOT R1, C5 and J9 (nor C9) according to the manual I have.

     

    http://colecovisionzone.com/photos/coleco/module2%20tech2.pdf

     

     

    bGYSyEZ.png

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