Question about Akai LCT3201AD 32 in. LCD Television

2 Answers

It wont power on

Already i pulled power supply unit out can you service this or where i can get new power supply. power supply is made by megmeet and it is MLT169A

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  • paulred Feb 18, 2008

    Hi jaime867 thanks for your reply. ok i want to fix the power supply how much you will charge for service and give me your mailing address or your phone number. my email address is gungurthir@hotmail.com

  • Anonymous Feb 20, 2008

    MODEL NO. LCT 2701 TD  I HEARD A CLICK AND IT WENT OFF AND NEVER CAME BACK ON. I TRY THE REMOTE AND THE ON AND OFF SWITCH NOTHING IS HAPPENING THE SET IS DEAD NO RESPONSE.


    WHEN I TURN ON THE ON AND OFF SWITCH AND PUT A DVD IN THE SIDE SLOT,THE DVD CAN'T GO IN. I HEAR A GRINDING NOISE WHEN 
    I TRY TO INSERT A DVD.,WHEN THE SWITCH IS ON.  


    COULD YOU RESPOND TO ME IN MY E-MAIL  clarence_37@hotmail.com

  • Anonymous Mar 20, 2008

    Akai lct3201 w/ Megmeet mlt169a power supply. Noise, puff of smoke,

    and smell of burnt electronics. After that no power, no picture.

    Need megmeet mlt 169a power supply replacement.

    jjschneider@adt.com

  • jumpenjoel Mar 20, 2008

    Akai LCT 3201AD Noise, puff of smoke, and smell of burnt electronics.

    I need a Megmeet MLT 169A power supply.

    Jumpen

  • Anonymous May 30, 2008

    no power

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THANKS jaime867 for fixing my tv power supply.

Posted on Apr 08, 2008

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Check this guys out: http://www.shopjimmy.com/
I could fix it for you but I live in Canada.

Posted on Feb 15, 2008

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Hello i need schematic diagram for power supply Model MEGMEET - ML686 . that power supply used for LCD TV .it's bad Brand and nobody care in service center. hope somebody help


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Check the present power supply [SMPS]; and find out the number of switching regulator IC used. Surf the site with that IC number. You will get similar circuit for SMPS there.

May 04, 2015 | Televison & Video

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

I need Part MLT169A Rev. 1.4


Hi,

You could order the part at :-

http://cgi.ebay.com/Akai-LCT3285TA-Power-Supply-REPAIR-SERVICE-MLT169A_W0QQitemZ360140827388QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item53da10eafc

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Oct 23, 2009 | Akai Televison & Video

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

Can,t get it to turn on.


Does the red light come on? does it go green but no picture? 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.
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).

Sep 05, 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

LCD TV does not power up with on off switch.


Hi
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AKAI LCT3201AD POWER SUUPLY MLT169A REFURBISHED CHAINA
Thanks
GEORGE

Jan 31, 2009 | Akai LCT3201TD 32 in. LCD Television

2 Answers

Akai TV with Megmeet power supply


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.

Apr 10, 2008 | Akai LCT3201AD 32 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

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