Question about Integra Dtr-7.8 Receiver

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How to fix Integra 7.8 display is dead

There is a known issue about a dead display due to a bad resistor. What resistor is it, and what is the value?

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Did this fix a year ago and my amp still works... i love this thing with the electro-voice evi-28 speakers and image dynamics 15'' subs, this is a crazy clean loud lifelike sound setup. I never thought i would own a system this nice sounding. Ohh i found the amp in the trash....

Link to the post i did...
Integra 7 8 display bad

Posted on Dec 15, 2015

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They will be value of 10 ohms or less in the secondary power supply attached to the front assembly

Posted on Feb 25, 2015

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Posted on Jan 02, 2017

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The treadmill have dcmd67 control board I need to know what value resistor R 19 have


I can't help you (directly) with the resistor value, but be aware that if it exploded, there is probably another bad component (such as a capacitor, transistor, and/or an SCR). Replacing only the resistor may result in the same problem, or may not even work at all due to another bad component. If you do find out the value, try putting in a resistor of the same value, but with a higher wattage rating. I once had a washing machine in which the model had a known problem with circuit boards blowing. I solved it by replacing a bad transistor and installing a higher wattage resistor that had blown up like yours. It never failed again. The way I found the value of the blown resistor is, I looked up a replacement board online, then magnified the photo, and looked at the color code on that same resistor in the photo. How I found the bad transistor is too complicated to explain in few words, but you can google the procedure. (You'll need a multi-meter at the very least; preferably _with_ a built in transistor checker. However, a _totally_ blown transistor can be found with only the resistance settings on a regular multi-meter).

Best of luck...

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1 Answer

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Replace the parts with the original ones, a .5 ohm difference on a resistor on the video circuits will cause the unit not to work correctly.

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1 Answer

Integra 7.8 display bad


The bad resistor is on the ps board that drives the display, well on mine at least. The resistor is supposed to be 10 ohms at 1/8 watt "i think" i replaced it with a 1/2 watt resistor. Either way its R9310. the board is right behind the display on the right side just behind the volume knob. when open and looking from the back you see it just fine. it's not hard to get out. fairly simple to fix. integra-7-8-display-bad-otccdugj0mk41z1tpuysbqy4-5-0.jpg integra-7-8-display-bad-otccdugj0mk41z1tpuysbqy4-5-2.jpg

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1 Answer

How do you fix the color to a model 43fdx11b hitachi


Hello!you mean: colors out of convergence? nothing you can do about that, unless you replace 2 convergence amplifiers I.C. chips, plus all those burned 1 watt low ohms resistors with exact values, which only could be obtained via service manual or schematics. After resistor is burned, there is no way to read color code properly, due to partial evaporation of pigments. this is a "pro" job. If you try or tried, already to converge those "stubborn" crosses, there is more to do, even after you removed and replaced two 20 pin I.C. chips, soldered dead into sweep module, plus located and replaced resistors with precise values, you need to get your settings back to normal, by going into "factory service mode' or, at least into "convergence alignment" menu and fight with those crosses!Don't forget the white "****"! Otherwise, you will be re-servicing your set all over after 30 days of usage.good luck,Alex.

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2 Answers

I replaced my convergence chips and I still have a convergence problem. Its not as bad but I still cant line up the blue convergence cross exactly


Sounds like your over half way there lol..
You now need to check the resistors positioned near the convergence ic's. They are your likely problem and go bad often when the ic's fail.

They are normally about 2watt and the values will vary but normally are like .10 ohms to 1 ohm.
I cant find a schematic to give you the exact values and locations but if these resistors measure off value at all you need to replace them with the exact value of the originals.

Heres a link to resistor color code guides just in case the value numbers are not printed on the resistors
http://www.dannyg.com/examples/res2/resistor.htm

Good Luck!!!

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2 Answers

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You should replace the control panel yourself 802K93650. It's a 5 minute job.

-Whit :)

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1 Answer

5509 Displays wrong channel


No fix is known for this problem. Suggest you mark the affected radio, and make the best of it while it continues to work. Most-likely it has other issues which will present themselves over time. (It has possibly been wet or damp and has corrosion growing, which is a living organism and will continue to grow. Sorry for the bad news.)

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2 Answers

Toshiba 57H82 resistor value???


When I get to work in a few hours, I will get the value for you.
Yes,you can use a regular 1/4 watt resistor and you might be
able to measure the value of it's twin in the other IC circuit....T.

Jan 21, 2008 | Toshiba 57H82 57" Rear Projection...

1 Answer

Display not working.


This Problem needs an expert Technician: Your problem is due to a missing Voltage around -30 volts that supplies the screen Processor. It could be an open low value resistor or defective switching transistor. Good Luck Toufic Malek

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2 Answers

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i would not recomend replacing the 7w with the 5w, beacuse the resistor will allways run hot, hotter then the resistor should be. the resistor could possible melt anything that touches it & will not last as long as the original before it goes bad. find a 7w, if just for safty reasons.

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