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my magnavox 47mf437b137 lcd tv the screen went black i have

 
Anthony's TV's Avatar
  • Answered by:Anthony's TV
  • Owner of Service Center
  • Positive Feedback: 97.3 %
  • Accepted Answers: 3803
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in TV

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Positive
It was the caps
Positive
thanks
Positive
I must say I was not happy about the diagnoses of the faulty whole assembly...
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Quick answer and straight to the point, unfortunately my unit is beyond repair...
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I agree with his assessment
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Problem Solved
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very helpful, thank you
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Would have liked an estimated repair cost or if I could do myself.

Customer Question

my magnavox 47mf437b137 lcd tv the screen went black i have no sound but the sound of like a bird chirping

 

Optional Information:
Make: magnavox
Model: 47mf437b137

Already Tried:
unplug

Submitted: 668 days ago.
Category: TV
Value: $28
Status: CLOSED

Accepted Answer

Picture
Expert:  Anthony's TV replied 668 days ago.


Anthony's TV :

Hello JA Customer I have been fixing Tv and Electronics since I was 5 years old With better than 20 years experience and 17 years in business

Anthony's TV :

Do you get the chirping as soon as you plug it in ??

Anthony's TV :

or after you turn it on?

Customer :

after turn it on

Anthony's TV :

so you have a yellow standby light

Customer :

no the light stays green as normal

Anthony's TV :

then you turn it on the light goes green and it chirps and changes back to yellow?

Anthony's TV :

or does the light flash with the chirp?

Customer :

light always green chirps as soon as turned on

Anthony's TV :

it sounds like you have a shorted out power supply

Anthony's TV :

do you have any repair abilities or expereince?

Customer :

yes plenty would it b the 2 caps

Anthony's TV :

it might have been originally but I think its gone and destroyed the SCR Fets

Anthony's TV :

check them with your meter bet they are dead shorted

Customer :

if i replace them will it work or do i need new power supply

Anthony's TV :

well lets see what a power supply cost

Customer :

how do i find a power supply

Anthony's TV :

hold on

Anthony's TV :

seems to be out of stock in alot of places

Customer :

must not b the only one with this problem haha

Anthony's TV :

[IMAGE][SRC][/SRC][ALT][/ALT][WIDTH]100[/WIDTH][HEIGHT]100[/HEIGHT][STYLE][/STYLE][/IMAGE]
Part Number 996500045188
Description Cba Power
Substitute Part n/a
Estimated Weight Unknown
Availability by Warehouse
Atlanta, GA 36
Las Vegas, NV 5

Total Availability 41
Estimated Ship Date In Stock
Core Price 100.00
Part Price 185.63
Total Price 285.63
Order Quantity


See below for possible sav
Anthony's TV :

cant find any USED or PULLS they woukld be around $ 90.00

Anthony's TV :

but that is new one

Anthony's TV :

and it seems to be the only option

Anthony's TV :

you can try changing the blown fets and the caps

Anthony's TV :

it might work it might not

Anthony's TV :

i have 50% repair rate on those

Customer :

thanks

Anthony's TV :

Thanks for using JA

Anthony's TV :

Good Luck

Anthony's TV :

If i have helped you Please "Accept" and have a great day

Expert TypeOwner of Service Center
Category: TV
Pos. Feedback: 97.3 %
Accepts: 3803
Answered: 6/7/2011

Experience: 20 years experience in TV Repair TV Production and Engineering

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