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Q9: Difference between revisions
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'''Q9''' is an NPN bipolar junction transistor that inverts the polarity of the /[[CSYNC]] line. The base is connected to R22, which is in series with both pin 100 of [[S-PPU2]] and pin 8 of the [[Video Encoder]]. The emitter is connected to R25, which is in series with pin 3 of the [[Multi-Out]]. The collector is supplied by [[VCC]]. | '''Q9''' is an NPN bipolar junction transistor that inverts the polarity of the /[[CSYNC]] line. The base is connected to R22, which is in series with both pin 100 of [[S-PPU2]] and pin 8 of the [[Video Encoder]]. The emitter is connected to R25, which is in series with pin 3 of the [[Multi-Out]]. The collector is supplied by [[VCC]]. | ||
[[File:q9.png|Q9, in region A4 of the jwdonal schematic]] | [[File:q9.png|thumb|Q9, in region A4 of the jwdonal schematic]] | ||
[[Category:SNES Hardware]] | [[Category:SNES Hardware]] | ||
Revision as of 06:46, 29 April 2023
Q9 is an NPN bipolar junction transistor that inverts the polarity of the /CSYNC line. The base is connected to R22, which is in series with both pin 100 of S-PPU2 and pin 8 of the Video Encoder. The emitter is connected to R25, which is in series with pin 3 of the Multi-Out. The collector is supplied by VCC.
