Question about Akai LCT3201AD 32 in. LCD Television

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Akai TV with Megmeet power supply

I have exactly the same tv and problem you had. I pulled the PS from the tv and checked the fuse. It was OK. So I guess it is the whole board. How did you order the power supply and how much was it?

Thanks.

Robert

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Hi artoo
if you want you can fix the power supply. i know service tech who fixed my tv power supply. His email is jah2mil@hotmail.com.

Posted on Apr 30, 2008

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I ave a brimax 32 lcd tv , the power supply board as burnt out , where can i buy a new one and how much , regards dave w

Posted on Mar 21, 2010

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2 Answers

Akai 32" wide-screen lcd tv/dvd


Tramaine, I would suggest a new PSU. I have used ShopJimmy.com in the past with great success. Here is a link to the part you need on their site. Hope that helps! TeeVeeMan2
http://www.shopjimmy.com/megmeet-mlt168a-power-supply-unit.htm

Aug 18, 2011 | Akai LCT3201AD 32 in. LCD Television

1 Answer

Tv shuts off when you turn it on again it will play a minute


I think this might be bad/swollen capacitors in your power supply, or something odd in the +5VDC circuits of the power supply, but I am posting all of the things I have found so far with these TVs.

Here are few possible solutions:
If you have no red light and you have a Megmeet MLT386 power supply, check these parts:
1) Swollen caps on the PS secondary circuit (may cause the red light blink or shutdown problems).
2) Blown fuse F1 (5A/250V) this is caused by a shorted FET at QA1 (20N60), you may also find that SMT cap CX23 is burned up (.001uf) which is in parallel with diode DA2 which may be damaged/shorted, replace these components.
If the power LED goes from red to green when powered up but no picture, then it might be lost +24VDC from the power supply:
3)Check fuse F2 (3.15A/250V, I put a 5A in), if it is blown, replace FET at QA2A (9N50C), replace QA2 as well (9N50C). Check SMT resistors at R233,R234,R235,R236 (.47 ohm). If open, replace with .1 ohm 1W or 2W resistor (easier to source). Also replace SMT transistor QF1 (2X4 or 2N4401 NPN transistor). And replace diodes at DS2 and DS1 (HER207), DS2 was shorted, DS1 was ok but I replaced it anyway.

I dont know as much about the Megmeet MLT169A, but it has similar problems and similar components.
4) I had to replace all of the capacitors in the secondary circuit (there are six in a 3x3 row marked EC9 (1000uf35V),EC10(1000uf35V),EC14(470uf35V) and EC18,EC19,EC20 (all 1000uf35V).

OK for the Megmeet MLT169A with red flashing LED when turned on we found that IC7 was bad. This is an SMT component on the solder side of the power supply. It is a 4407P (P channel 30V MOSFET). For testing purposes, we jumped across it to feed +5V to the TV permenently instead of allowing +5V to go into standby.

Sep 09, 2009 | Akai LCT3201TD 32 in. LCD Television

1 Answer

T.v. won't turn on


The following parts can be purchased at digikey.com or mouser.com web site. I am also posting all of the things I have found so far with these TVs.

Here are few possible solutions:

If you have no red light and you have a Megmeet MLT386 power supply, check these parts:

1) Swollen caps on the secondary circuit (may cause the red light blink problem, but also see below).
2) Blown fuse F1 (5A/250V) this is caused by a shorted FET at QA1 (20N60), you may also find that SMT cap CX23 is burned up (.001uf) which is in parallel with diode DA2 which may be damaged/shorted, replace these components.

If the power LED goes from red to green when powered up but no picture, then it might be lost +24VDC from the power supply:

3)Check fuse F2 (3.15A/250V, I put a 5A in), if it is blown, replace FET at QA2A (9N50C), replace QA2 as well (9N50C). Check SMT resistors at R233,R234,R235,R236 (.47 ohm). If open, replace with .1 ohm 1W or 2W resistor (easier to source). Also replace SMT transistor QF1 (2X4 or 2N4401 NPN transistor). And replace diodes at DS2 and DS1 (HER207), DS2 was shorted, DS1 was ok but I replaced it anyway.

I dont know as much about the Megmeet MLT169A, but it has similar problems and similar components.

4) I had to replace all of the capacitors in the secondary circuit (there are six in a 3x3 row marked EC9 (1000uf35V),EC10(1000uf35V),EC14(470uf35V) and EC18,EC19,EC20 (all 1000uf35V).
OK for the Megmeet MLT169A with red flashing LED when turned on I found that IC7 was bad. This is an SMT component on the solder side of the power supply. It is a 4407P (P channel 30V MOSFET). For testing purposes, we jumped across it to feed +5V to the TV permenently instead of allowing +5V to go into standby.

Aug 19, 2009 | Akai LCT3785TA 37 in. LCD HDTV

1 Answer

TV won't turn onthe red light just blinks when I push the power button.


I think this might be bad/swollen capacitors, or something odd in the +5VDC circuits of the power supply, but I am posting all of the things I have found so far with these TVs.

Here are few possible solutions:

If you have no red light and you have a Megmeet MLT386 power supply, check these parts:

1) Swollen caps on the secondary circuit (may cause the red light blink problem).
2) Blown fuse F1 (5A/250V) this is caused by a shorted FET at QA1 (20N60), you may also find that SMT cap CX23 is burned up (.001uf) which is in parallel with diode DA2 which may be damaged/shorted, replace these components.

If the power LED goes from red to green when powered up but no picture, then it might be lost +24VDC from the power supply:

3)Check fuse F2 (3.15A/250V, I put a 5A in), if it is blown, replace FET at QA2A (9N50C), replace QA2 as well (9N50C). Check SMT resistors at R233,R234,R235,R236 (.47 ohm). If open, replace with .1 ohm 1W or 2W resistor (easier to source). Also replace SMT transistor QF1 (2X4 or 2N4401 NPN transistor). And replace diodes at DS2 and DS1 (HER207), DS2 was shorted, DS1 was ok but I replaced it anyway.

I dont know as much about the Megmeet MLT169A, but it has similar problems and similar components.

4) I had to replace all of the capacitors in the secondary circuit (there are six in a 3x3 row marked EC9 (1000uf35V),EC10(1000uf35V),EC14(470uf35V) and EC18,EC19,EC20 (all 1000uf35V).

Aug 10, 2009 | Akai LCT3201TD 32 in. LCD Television

1 Answer

TV screen won't come up


The power supply board or inverter. The power supply board is the first step. Look for any capacitors that are puffed up. Replacing them should take care of the PS. Check to see if you have 24 volts going to the inverter. If you do PS is OK and the inverter is most likely bad...good luck

May 08, 2009 | Akai LCT2715 27 in. LCD Television

1 Answer

I'm looking for a power supply for a AKAI LCT37Z6TA


I bougt this PS on eBay for $85-13S/H. Something wrong with my TV but supply is OK Markmaya

Oct 23, 2008 | Akai LCT4216 42 in. LCD Television

3 Answers

Akai lct3201 ad power supply


The MLT169A is a version number issued by MegaMeet in asia who built the supply. The correct part number for the SMPS for that unit is: E7802-005008 and unfortunately they are no longer available... However, there is some good news, those supplies can usually be rebuilt but you need to have the equipment, knowledge to make the repair...
Bill

Mar 26, 2008 | Akai LCT3201AD 32 in. LCD Television

4 Answers

Red light still flashing


you also have to replace the 2 resistor on bottom of the board they are 10 ohms each they are surface mount 1/4 quarter watt each they are next to z3, also have to replace the 3 caps. I have fixed 4 units with the same problem this must be obviously a design issue since many of these tvs have the same problem.
hope this helps

Feb 16, 2008 | Akai LCT2701TD Television

2 Answers

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THANKS jaime867 for fixing my tv power supply.

Feb 15, 2008 | Akai LCT3201AD 32 in. LCD Television

8 Answers

My tv Wont Turn On


My 32" hyundai LCD TV will not turn on. The power lead is ok the on / off switch on the side turns the red stand by light on and off. I am unable to get the LCD TV off stand by. I have tried the the stand by button and this does not do anything. Can anybody help.

Sep 08, 2007 | Akai LCT3201AD 32 in. LCD Television

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