Question about Vizio Televison & Video
Replaced the nine capacitors that came in the kit shown in the red square, plus a 470 uf next to the header in the upper right of photo. Symptoms; VIZIO emblem is amber when cord is plugged in. VIZIO emblem turns white when powered on. Small green LED flashes (on small PCB below the Power Supply PCB) when power up sequence is started. Black relay (upper left in photo) on power supply energizes for a short period then then de-energizes. Green LED stops flashing. During power up sequence getting the 16.5 and 12 VDC on the header in the red square of the picture. Always has the 5 VDC coming from the Video signal PCB to the right of the Power Supply PCB. Also have 5 VDC on the header in the upper right of picture. All fuses are good - standard fuses and pico fuses on all PCBs. Without a schematic I cannot tell where to go from here. I don't see any blown caps or arc marks or anything. This is a fun project and would appreciate some help. Have DVM ready to test whatever... http://acimg.auctivacommerce.com/imgdata/0/1/9/4/5/2/webimg/3268267.jpg Thank you. Patrick
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Posted on Jan 02, 2017
on the signal board replace the caps by the 5/9 volt regulators. c2p04 is the main culprit. 6 caps in total can be changed. I believe c2p05 also.
Posted on Dec 15, 2007
Solved by resoldering some solder joints!!!!!!!
Toshiba Model 57H81 Rear Projection TV - Purchased 11-09-2001
Problem: Toshiba 57H81 Flashing Red Power Light, No Picture/Sound, Blown Fuses F850 + F852
Symptoms January, 2009:
Total Cost to Repair about $10
Posted on Jan 05, 2009
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