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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: Hi. I have a unit that after a possible fault in wiring do not have any 5v for TPS or 5v supply. Messured agains ground i get a very short blip of voltage, then nothing. I suspect the 5volt regulator is dead. My question is, how I go about finding a replacement and I want to make sure that the one I think it is is the right one. http://www.vems.hu/files/ThorbjornEngdahl/12208063_10207661719763613_600021320_n.jpg I think i have found this component to be the 5-volt regulator, correct? The circled one. * yes, SOT89 (either 78L05 specified max 100mA, or some Torex specified 150mA). * '''After that is removed''', the main 5V (the big pad of MC33269-DT5 DPAK package) can be connected to EC36/pin28 (only if you certainly know that the harness is fixed). ** better yet, '''find the SOT89 78L05 "PS2 regulator" next to the AVR, it's 5V output is available on the 4 pin header ... connect that''' (normally unused anyway). Is that a zener diode next to it back to ground? Could this also be defective? * no, it is a 10uF (25V) ceramic capacitor (1210 or 1206 size) * unlikely to be dead, should be safe to keep it Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.