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**rigeback** · 08-21-2021, 09:42 AM

I was reading this from another post and my U202 has 14V pin 8 and pin 6 = 5V.

The circuit that needs to be working is the one for U202/TR200, it supplies 12V_AC to get 12v_DC which supplies +12VCC_S which supplies Q212 and gives +5V_STBY
TR200 also supplies VCC_MAIN, Q216 is a switch that controls VCC that supplies U300 etc. Q216 is basically controled by ST_BY from the main baord.
So you need st_by ON signal from the main board to have VCC on U300

08-21-2021, 09:42 AM	#23
rigeback Badcaps Veteran Join Date: Mar 2011 City & State: Turin My Country: Malta Line Voltage: 230 I'm a: Hobbyist Tech Posts: 340	Re: Vestel 17IPS20 R6 I was reading this from another post and my U202 has 14V pin 8 and pin 6 = 5V. The circuit that needs to be working is the one for U202/TR200, it supplies 12V_AC to get 12v_DC which supplies +12VCC_S which supplies Q212 and gives +5V_STBY TR200 also supplies VCC_MAIN, Q216 is a switch that controls VCC that supplies U300 etc. Q216 is basically controled by ST_BY from the main baord. So you need st_by ON signal from the main board to have VCC on U300 Last edited by rigeback; 08-21-2021 at 09:48 AM..