Tip & How-To about Televison & Video

When removing and replacing eletronic parts,always make sure the device is not pluged in the wall outlet,unplug it .then useing a desoldering iron or solder sucker,suck the solder off after it is melted,next, take what they call a wire wick and hold it where you just desolderd and let it remove any exess solder so this cleans the area,you might stick the tip of the iron in the hole after the part is removed to open the hole up careful not to break the board ..always put the part in the same way you removed it ,it will show you on the board and part.. such as + - or arrows , then use a good rosin core solder 60% tin 40% lead...it makes a good contact..

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when i turn the television on the green light goes off after a few seconds

Your television is protecting itself from further damage and that is why the television is shutting itself down. When you remove the back panel of the television with the power supply unplugged from the wall, you will see a black box which looks like a distributor on the board. You will need to remove that board and look underneath at the soldered connection points of the transformer. RCA went to a lead free solder and the solder is known to crack. desolder and re solder the transformer using either desoldering braid or a desoldering iron and resoldering using silver solder and a pencil soldering iron no bigger than 35watts. After you do that check the 3 fuses next to the transformer using a multimeter. You have a blown fuse. Order the fuse from Partstore.com and replace it.

Mar 11, 2010 | RCA HD52W59 HDTV Projection Television

2 Answers

sony KP51WS520- stand by light flashes 9 times and won't turn on. Have unpluged for 4 hours, still won't turn on.

Unplug the tv, take the back off,locate the G board, next look for D 6301,and D 6116,these are diodes,desolder them and replace them,if that didnot fix it,then change the switching regulator also,its also on G board..use a desoldering iron to remove parts, then wick wire to get the access solder off the pin holes to resolder parts.hope this helps.....

Feb 23, 2010 | Sony Televison & Video

1 Answer

No pix. Red LED blinks 2 times. ( sony KV-24FS-100 TVset. )

this is your over current protection B+, there is a short in the power supply of many of the circuits,fuse,diode,etc, check these carefuly with ohm meter....if fuse is open,only replace it with the same rating,make sure tv is not pluged into outlet...if you need to replace parts,use a desoldering iron,to **** off the solder at pin hole of the part being removed from under side of board also look for burnt spots,then you need wire wick to remove and clean in and the pin hole. reinstall is reverce order,,maker sure you make a good connection,and not over solder it ...keep it clean.hope this helps...........

Feb 22, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

3 Answers

The television shuts itself off. The standby light continually blinks. When first happening, it would turn off randomly. We noticed the picture and sound seemed perfect so did not understand what was happening. Now the tv cannot be turned on.

There is serveral things that can cause sony to shut down
hori output transistor shorted, bad FBT flyback transfomer defective tube,
video IC on CRT board and 2k volt blue high voltage capacitor it feeds to hori output transistor.

Feb 20, 2010 | Sony FD Trinitron WEGA KV-34HS510 34" TV

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