Question about Sylvania A94H1UH Digital Board BA94H0G04011, A30C5/C7A3/A3

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Vertical gets hot - Sylvania A94H1UH Digital Board BA94H0G04011, A30C5/C7A3/A3

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The IC might be short. Replace the board.

Posted on Oct 23, 2013

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1 Answer

Can this heater be mounted vertically?


no
heaters are designed so that the hot air goes upwards away from metal bits
by installing vertical one end will get very hot and melt wires and plastic bits

Nov 30, 2015 | Heating & Cooling

Tip

If Your screen shows a: white vertical line on a black screen or, a white...


If Your screen shows a: white vertical line on a black screen or, a white horizontal line on a black screen:
Your TV vertical or, horizontal power transistor or, chip is getting too hot.
A vertical line indicates the horizontal circuit is at fault, a horizontal line indicates the vertical circuit is at fault.
To troubleshoot: Turn on your TV untill the line shows then: after about a minute, remove power (unplug) the TV, remove the TV back cover, carefully using your finger find the too hot transistor or, chip; or, use component coolant; spray the too hot component with a component cooler repower the TV, until the screen comes back to normal. To fix: apply white sylicone coolant cream to the back of the too hot transistor or, chip. or, if there is room, a small fan can be wired in to cool the part. Radioshack sells the cream and, also a "component cooler spray" that should find and, fix this problem, also; with power removed you can, if you feel it is safe; carefully (with only one hand) feel the part; it will be very hot! (it could burn your finger!) Do not touch anything else! (this will not hurt the tv; when the picture comes back on (the offending part has cooled) you have found the problem part.

on Apr 06, 2010 | Garden

Tip

TV shows either: black screen with: white vertical or, horizontal line


If Your screen shows a: white vertical line on a black screen or, a white horizontal line on a black screen:
Your TV vertical or, horizontal power transistor or, chip is getting too hot.
A vertical line indicates the horizontal circuit is at fault, a horizontal line indicates the vertical circuit is at fault.
To troubleshoot: Turn on your TV untill the line shows then: after about a minute, remove power (unplug) the TV, remove the TV back cover, find the too hot transistor or, chip; using component coolant; spray the too hot component with the component cooler until the screen comes back to normal. To fix: apply white coolant cream to the back of the too hot transistor or, chip. or, if there is room, a small fan can be wired in to cool the part. Radioshack sells the cream and, also a "component cooler spray" that should find and, fix this problem, also; with power removed you can, if you feel it is safe; carefully (with only one hand) feel the part; it will be very hot! (it could burn your finger!) Do not touch anything else! (this will not hurt the tv; when the picture comes back on (the offending part has cooled) you have found the problem part.

on Apr 06, 2010 | Televison & Video

1 Answer

Black and white vertical lines


Make sure the unit is not full of dust.... when it gets hot the video goes screwy...

Apr 18, 2014 | LG Office Equipment & Supplies

1 Answer

My portable tv showing horizontal line on screen. how to find problem in this board


hi if your tv is crt type their is a problem with the vertical section, check the vertical ic if the supply voltage is present. then observe if too hot the ic is bad replaced with new one and then check other part with i9n the vertical section which cause the ic to get bad. hope this will help you good luck.

Aug 08, 2011 | Televison & Video

1 Answer

Hi..pls..help..my jvc television, im watching then turn off have a power but sadly it has a line at the middle of monitor and turn off.


You have a vertical amplifier failure or dry solder on the vertical IC. When cold if the TV works for some time and then you are getting a thin white line in the middle of the screen after some time -- its a dry solder problem. The vertical IC runs very hot in the TV and develops dry solder after a few years.Will run when cold and switch off when hot.
Are you well versed with electronics to do the repair yourself ?. If so, revert back and I will guide you if you mention the TV model #.

Apr 11, 2011 | JVC Televison & Video

1 Answer

No vertical deflection-need schematic


follow the 2 sets of wires off the yoke. one goes to the horizontal sweep section and the other goes to the vertical. the drive ic with the metal tab is blown.that is what drives the vertical deflection. there is a few capacitors there. 1mf at 160v and .47 at 160 and 2.2mf at 50v on most sylvania sets . if the plastic on the top of the capacitor is shrunk,it is getting hot and is no good.that can cause a loss of sweep or foldover.99% of the time it is the vertical output ic that is gone.

Oct 28, 2010 | Sylvania Televison & Video

1 Answer

Vertical half a picture changed vert out ic & 220mfd 35v could it be vert yoke


If you have a hot air gun like used for dry the hair, apply hot air on the vertical section, if the trouble is solved sure is an electrolitic capacitor, find it hoting one by one with de solder, if not, may be is the defletion yoke, the impedance is not less then 7 ohms.Another probe for the yoke: disconect the vertical wires and supply 12 VAC with a transformer to vertical coil and turn on the tv and watch, if the vertical size is ok, the yoke is ok.

Mar 17, 2010 | Zenith B25A74R 25" TV

2 Answers

Zenith PVY6067 are there any common Vertical deflection failures I lost approx. 20 % vertical deflection


there are caps that can cause this in the vertical circuit
that will need to be changed to correct this

some one says there are kits available at
tvrepairworld.com for this

Oct 23, 2009 | Zenith Televison & Video

1 Answer

Tv goes to straight line in center of picture then


It happens when Vertical deflection stops as Vertical Out IC becomes hot or does not get vertical signal.
Please check electrolytic capacitors and dry solder joints in vertical out section in TV.

Aug 12, 2009 | Sanyo Televison & Video

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