Question about Astar LTV-2701 27 in. HD-Ready LCD Television

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I needed to know some codes of capacitor.

HI FRIEND! I was findout almost capacitors of 27,but I still can"t known the codes of 5 capacitors.ITwas covered by the black polyvinyl and have a small stamp with lethering said: (DQG-B6-0974A) for1ca,(DQG-B6-1042A)for 1ca,(DQG-B6-1043A)for 3ca.Therefore I"m very difficult when I find them in electrinic store.SO you can sent me some iformations about,maybe I needed you order list when you bought them...I"m very thankful.

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It starts blacking out on me after about half and hour of playing it blacks out for up to 5 seconds very annoying online

If it's under warranty, get it fixed by the store or manufacturer.

If it is not under warranty, open it up and check the boards for capacitor plague. Units with capacitor plague, or blown capacitors, are known for doing this.

See an example here:

This give a good explanation of capacitor plague:

It could be something else, but this is your best (and cheapest) bet.

Good Luck!

Sep 27, 2010 | Televison & Video

2 Answers

We have a Phillips 42" LCD and it turns itself off? it happened last year then stopped for about 11 months, the problem has now come back with avengence.

You are not the only one I can tell you that. I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

Sep 06, 2010 | Philips 42PFL5603D/27 42 in. LCD TV

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My astar ltv 2701 27 inch hdtv tv started to smoke and i need to get a new motherboard but where no one sells just the motherboard

I have a working motherboard from a broken screen LCD.
The smoke could have been from the capacitors in the power supply and not the main board. I would suggest to inspect the power supply as well for bulging or leaky capacitors that fail most of the time.
Let me know if you need further assistance.

Jul 17, 2010 | Astar LTV-2701 27 in. HD-Ready LCD...

1 Answer

We have an astar 27" flat screen and it won't turn on, could this be a fuse issue?

No,modern electronics,like the LCD tv produce alot of heat to is circuits boards.It alway damages capaitors to cause it to have it electrolites gases leakages,these capacitors usally alway cause the problems to these capacitors in the power supply board.U know how to solders?Have basic electronics skill check the power supply board for capacitors that bulges up,or puff it up.Replaced these bulges up or puff up the power supply will get ur power back.Or tries websites like, to buy a whole refurbish power supply board for the replacement.

Apr 27, 2010 | Astar LTV-2701 27 in. HD-Ready LCD...

1 Answer

LCD TV only flashes pastel colors.

U know how to solders?Power board very comon is capacitors is dead.Capacitors puff up or burst open.Replaced these capacitors on the power board.Or tries, to buy the whole reburbish power board to replaced.

Jan 11, 2010 | ViewSonic N2750w 27 in. HD-Ready LCD...

2 Answers

My 50 in plasma has seven red lights flashing please help

If it is blinking red 7 times, and then repeating that would be error code 7 (8V6 supply). Power supply

Error Description Error/Prot Detected by Device Defective module Result
1 I2C1
2 I2C2
3 I2C3
4 I2C4
6 5V supply
7 8V6 supply
8 1.2V DC/DC
11 3.3V DC/DC
12 12V supply
14 Supply Class D amplifiers
14 Supply Audio part SSB
17 MPIF1 audio supply
18 MPIF1 ref freq
25 Supply fault
27 Phoenix
28 MOP
29 AVIP1
31 AVIP2
32 MPIF1
34 Tuner1
37 Channel decoder2_bing.gif
39 POD Interface
43 Hi Rate Front End
44 Main NVM
45 Columbus
63 PDP Display

Oct 24, 2009 | Philips 50PF7320A 50 in. Plasma HDTV

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LG 42 LCD no sound or picture

This is probably bad capacitors on the power supply board. My LG 42LB1DR has a known problem with this and I replaced the four bac capacitors myself and saved 5-6 hundered dollars that I was also told that it would cost to fix. I fixed for under 10 dollars and about 20 minutes. LG knows about it but they dont really want to admit it. My TV was only 26 months old when this happened. The four capacitors are made by Samxon and are 2200uf @ 10v. They are junk so even if you have the entire board replaced for say $200 its just going to happen again. They need to be replaced with a different brand.

Jan 28, 2009 | LG 42LC2D 42 in. LCD HDTV

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Akai LCT2785TA Capacitors blown out

Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or
not steady, fainting, etc.
2. TV not turning ON properly.
3. TV turns OFF by itself.
4. Needs to be unplug to many times to make it work.
5. Humming or high pitch noise heard through speakers or at the back of the TV.

I repair these power supplies. Write to if you require further assistance.

Nov 25, 2008 | Akai LCT2785TA 27 in. LCD Television

3 Answers

Astar LTV-2701 27 in.

Hi Tim
I got the capacitors from Honson (College Home Hardware) 306 College St. W., Toronto, ON, CANADA, They cost between $1 and $5 ea and there were 26 of them to replace.. As I remember, the bill for the capacitors was about $80. If you don't live in Toronto, you might want to Google yourself another source, but he lets you pick them out of his parts bins and you can get them immediately. His prices were also better than anybody around here. You will also need a roll of 2mm copper desoldering wicking tape ($3), a 150 watt soldering gun, a 40 watt soldering iron and a roll of rosin core solder.

Repairing the board is as easy as 123, 26 times :(
1) Make a list of all of the electrolytics on the board. To order them you will need to supply 3 values for each: The voltage (ie 35V), the capacitance (ie: 220uf) and the temperature rating (ie: 105C).
You should be able to read these values off the ones on the board. There is quite a bit of duplication, so even if the existing one is too fried to read, you may be able to match it to another one the same size color and shape.
2) Put a black mark on the top of each capacitor in the board with a black permanent marker so that you will be able to identify which ones are left to replace.
3) Replace the capacitors one at a time by placing the copper desoldering tape abon the connection you wish to desolder and heating it with the soldering gun until the solder on the board is wicked away into the tape. Remove the capacitor noting the - connection and insert the replacement with the - lead in the same hole as the - lead of the other capacitor went into. Solder in the new capacitor with the soldering iron.
4) Repeat step 3 twenty-six times, check your work often and you're done with the board.
5) Now, cut, drill or punch some extra holes in the metal coffin that the power board sits in so that you wont bake it again, install the power board and fire up the TV.

It worked for me first time, just be real careful that you install the capacitors with the correct polarity and that the new solder joints are shiny and dont bridge to other connections.

Good luck and let me know how you make out.


Nov 08, 2008 | Astar LTV-2701 27 in. HD-Ready LCD...

1 Answer

Power supply

I have the complete kit of capacitors to repair the LTV-2701 power supply. These power supplies need 20 capacitors for the secondary side of the power supply and 7 for the primary side. I can put together the kit with the 27 capacitors as well.
Let me know if you need further assistance.

Nov 06, 2008 | Astar LTV-2701 27 in. HD-Ready LCD...

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