Question about Philips DIRECTV H20 DTV Receiver
I've had my (reconditioned) H20-600 receiver for 2 yrs 1 month and suddenly 2 weeks ago while watching a program, the screen suddenly went blank and then a message "searching for satellite" (code 771) appeared. After a few minutes of waiting I decided to reset the receiver and the program did eventually come back. I did notice that the receiver felt unusually warm/hot to the touch. I vacuumed any dust that may have accumulated, especially the vents at the top, bottom, and sides of the case. Everything seemed fine for about 1 week (although unit still seemed warm/hot) and then the problem reappeared. Now it's happening more and more frequently (several times a day). I can temporarily solve the problem by simply blowing cool air into the side vent using a small fan, but I'm concerned that there is an underlying problem with this unit (being cynical, I've got to wonder if DirecTv has a 2yr self-destruct built into the unit forcing you to buy another receiver ... and oh yeah, a new 2 year service agreement!).
I'm just curious ... in another post, Dan reported a way to display the internal temperature of the unit, but I don't see "More System Info" selection (Dan's Step 5). After selecting "Info & Test" I only see two tabs on the right side of the screen: "System Info" tab and "System Test" tab. Under "System Info" tab, there is a scrollable list of info, but nothing related to Internal Temperature. Does anyone know how to display the temperature, or is it possible that my receiver (manufactured in Dec. 2005) may not have this feature?
I had a H20-600 that worked consistently until I unplugged it, then it would not power up unless the unit was warmed to its operating temp. (I placed it on an old iron radiator, warmed it up, it then powered up). The power supply on the unit had several failed, crowned capacitors (3300uf/10v). I pulled them, tested them (one was bad), and then replaced with good caps. Up the unit came. The PS in this unit is a switching unit and needs healthy caps to oscillate and create sub voltages. The standing heat in the unit makes the caps get hot, crown and leak. See any brown sputum on the top of a capacitor and it is on the road to failure.
Posted on Nov 08, 2009
No way that I am aware of on the H20-600's to check internal temp via the setup screen. The HR20-700's have this.
I just replaced an H20-600 for the same exact problem you are describing. In my case, this unit was a leased receiver and I was billed $15.00 from Directv (shipping charges only) to exchange it.
If yours is a leased unit, that would probably be your best option. Directv can confirm this for you unless you already know.
If not leased and you are sure this is heat related, a USB powered PC cooling pad may help but will probably only postpone the problem until the sensitive component bites the dust for good.
Heat is a killer for all these DTV receivers. I would recommend a cooling pad going forward, leased or not.
Posted on Aug 20, 2009
If there is a cooling fan in this unit, it's more than likely burned out. turn it on with the case open and check to make sure the cooling fan is running. if not, there is your problem. otherwise, buy a can of "air" and clean out the inside. thats the main cause of dead electronics, too much dust. just vacuuming it out doesn't necessarily remove all of the dust.
Posted on Jul 31, 2009
I had the same problem and opened the unit and it will only get SD not HD. A capacitor C185 had burned out. If I could get a schematic and find out the value, I could just buy one and solder a new one in.
Posted on Mar 05, 2011
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Posted on Jan 02, 2017
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