VG8235 joy port 1 troubles

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By AxelStone

Prophet (2259)

AxelStone's picture

19-03-2017, 21:19

Jipe wrote:

if your 8235 model is 20 or 39 check LF23 , Q1 2SC2603 and R16 10K resistor

if your 8235 model is 00 or 19 check LF72 , Q8 2SC2603 and RA9 22K resistor pin 7 of RA9

It seems you found the key, I've detected that Q1 is in short-circuit, most probably is the cause. I've bought some replacements, waiting to receive them and confirm it. thanks.

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