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Prscan 40ld45qc power supply ayl400201 turn on & off

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Model 40LD45QC. Why is there no sound and no picture?


  • Fault to the main power supply regulator section. 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. Surf the site with patience. Pull up older posts.
    http://electro-medical.blogspot.com/
    http://electronicshelponline.blogspot.com/
    It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

Jan 21, 2016 | Proscan Televison & Video

1 Answer

How do I run Channel auto scan?


Download the user manual to this set, by the link:
PROSCAN 40LD45QC User Manual
It has all details. http://electronicshelponline.blogspot.com/

Jul 31, 2015 | Televison & Video

1 Answer

Proscan 40LD45QC The screen flickers


check cable or ant connection make sure good connection disconnect and reconnect still have problem may need service depends on age of unit.

Dec 27, 2014 | Proscan Televison & Video

2 Answers

PROSCAN 40LD45Q tv will not turn on


replace the power supply board!

Mar 02, 2013 | Proscan 40LD45Q TV

1 Answer

SCREEN CRACKED FOR MODEL #40LD45QC. NEED TO BUY REPLACEMENT SCREEN. PLS. HELP!


Yu can find used screen at www.interliquidparts.com you have to find the screen number from your TV. It is located on the back of the screen on a white sticker.

Jun 08, 2011 | Proscan 40LD45Q TV

2 Answers

2000 Ram 1500 4x4 "no bus"


All the modules are connected together to communicate with each other via the PCI bus. It is possible that one of the modules is pulling the bus down. If the vehicle won't start it could be any one of the modules. It will be a process of elimination to find the faulty one by disconnecting them one at a time.

Apr 22, 2009 | 1998 Dodge Ram 1500 4WD

1 Answer

Jbl car audio system


You may have accidently hooked the AMP up to a constant power supply. You need to hook the power for your amp to either the unit (because it is on intermittent power supply) or find an accessorised power supply for it separately. Go to this site to see if you cant rewire your AMP.

http://www.ehow.com/how_5829_wire-car-stereo.html

Mar 26, 2008 | Car Audio & Video

1 Answer

Wiring


tblackwood ...if you have connected your remote turn on for your amp to the remote turn on on the deck(this is also the power aerial connection) ..on some decks this has power only when the radio is operating. as soon as you insert cd it shuts down the power to this supply(i dont know why some did this.it was a bad move ) ..you may have to find another power supply to turn the amp on (accessories supply on the ignition..)

Feb 11, 2008 | Kenwood KDC-MP335 CD Player

1 Answer

Power Problem, LED Lights up and then shuts off


Do you have the switch or activate wire on the new amp. to the right hookup? If you do, then theres a problem with the amp and if your not a tech these can be a difficult thing to trouble shoot. Take back the amp or seek out a pro to test it on a bench. Good Luck

Jul 24, 2006 | American Pro VS1405 Car Audio Amplifier

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