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Why does my Samsung HT-D5500 blue ray 3D player turn off itself after a few seconds when I turn it on and what is the letter F symbol mean on the display? Thanks in advance

main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.

Feb 12, 2017 | Samsung Televison & Video

2 Answers

My tv is blinking 7 times repeatedly. (The red standby light) What does this idicate and what can be tried before I take it to a repair store?

The blinking standby LED usually is an error code - indicating possible overcurrent protection mode. It can be either a short-circuit in the power supply, the HT rail, or the horizontal output transistor(s) could be shorted along with the flyback transformer. Or it could be a combination of all of the above.

Assuming this is a model with a CRT, I doubt it would be the 'bulb' - it would most likely be a circuit failure. Check the flyback transformer, the horizontal transistors and the tuning capacitors in their collector circuit - one may be shot.

Check the power supply and HT thoroughly for shorts and open circuit components - burn marks on the board, dry solder joints etc. Look for obvious things first.

Once you are satisfied that one or more parts have shorted, and you don't wish to replace them yourself, submit the TV to a repair store and insist on a FREE quote - this way, you can then decide if you want to pay that estimate to fix it or not.

Feb 17, 2011 | Sony FD Trinitron WEGA KV-32HS420 32" TV

1 Answer

What does the code mean? F 11


The F11 code means motor or motor control board problems. But, most often the problem is that the CCU circuit board (plastic case, inside, top, back of the machine) is having communications problems with the motor control board. This problem is caused by bad solder joints (cold solder joints) at the spade connectors and relay connections on the CCU circuit board. These points on the CCU board need to be resoldered. Remove the circuit board and case as a whole then remove the board for repair. If you can handle the repair yourself that's great! If not just remove the board and case and take it (and this response) to a good appliance repair shop and they should be able to help you out. Good luck.

Jan 22, 2011 | Whirlpool Duet Sport HT WFW8400TE Washer

1 Answer

Smoke rolled out and then the unit shut itself down

By and large, electronic devices need the smoke to stay in for them to work. Once the smoke comes out, they generally don't work anymore.

Joking aside, the only parts that can generate enough heat to produce smoke will be the power supply transformer and capacitors. If you're lucky, the damage will be limited to the power supply, but there's a good chance that it went unregulated while it was failing and so dumped 120V into the main circuit board and cooked other components there.

If you are up for soldering, then open the unit up and post details of what components have visible damage, as well as detailed info about the circuit board revisions.
If you're not, then it's probably time to shop for a new receiver.

Sep 06, 2010 | Samsung HT-TX72 Theater System

1 Answer

My HT-X30 AMP had blown some capacitors. Where can I get a new complete circuit board? and approximately how much would it cost?

You will find in

Aug 15, 2010 | Audio Players & Recorders

1 Answer

The system keeps saying protected and turning off,

I am unsure of where to find this board but try ebay. as of today a replacement unit is 139.00 plus shipping. The board can be repaired, The problem is most likely a bad transistor. In some cases components surrounding the transistor will go bad also. If you can solder remove the transistors one by one until the protect mode goes away. Read the numbers off the part and type them into a search and order replacements. install the replacements and check for good audio out. Hope this helps.

May 03, 2010 | Samsung HT-X40 System

1 Answer

Aiwa ht-dv90

Not good protection is a special circuit in side the machine.. You will need to get the machine repaired at a service center. You circuit board has over loaded.

Oct 09, 2009 | Aiwa HT-DV90 System

1 Answer

Samsung ht-q70

You can try fixing it yourself Front Board part # AH92-02494A FROM SEARS $45.27 + $10.99 S/H but it can happen again.

Jan 17, 2009 | Samsung HT-Q70 Home Theater System System

1 Answer

I have a samsung home theater system HT-X70. After 10 to 15 minutes the word protection scrolls across the screen then goodbye and finally the unit shuts itself off.

ther is dc voltage applying your speakers by amplifire itself and turn on speaker protection circuit itself.
it can be happens because
1.loose connection in amplifire board
2.faulty output section of amplifire
3.short circuit of speakers
4.error detecting circuit faulty.
if youcan open the cover and clean the circuit for dust and resolder the circuit with 30 W soldering iron cairfully.if you want the more asistence please come again
ican hlp you more.

Jan 08, 2009 | Samsung HT-WX70 Theater System

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