20 Most Recent Akai PDP4290 42 in. EDTV-Ready Plasma Television - Page 9 Questions & Answers

check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Pull up older posts. Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. http://electronicshelponline.blogspot.com/

Volume might have locked to a certain limit. Refer its user manual for details about to unlock it. http://electronicshelponline.blogspot.com/

I do not show that this model has this feature.

You may get the service manual from http://www.manualsummaries.com/showinfo-9-48793-0.html or http://www.vintageshifi.com/repertoire-pdf/Akai.php

Check whether the audio is muted by accidental press at remote control button. Enter its sound menu, and check it. If muted, as you know there will be no audio output. If not muted, check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Pull up older posts. Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts. http://electronicshelponline.blogspot.com/

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Circuit diagrams of many popular brand TVs and other devices are given. Search the site by type in the "brand name" of your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Time for a new TV, you have a defective PCB.

T'Con board fault. Check and replace it. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/

Model number? http://electronicshelponline.blogspot.com/

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Circuit diagrams of many popular brand TVs and other devices are given. Search the site by type in the "brand name" or the number of "Chroma IC Jungle" of your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Set-up (Programming) procedure is too much to type in here, and is not practical and it will differ brand-to-brand remote controls. If you wish to get more; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. One among it has general set-up codes to check with TVs and other devices are given, in the order of the 'device's brand name list' in alphabetical order. Pull up older posts. Search the sites by type in the brand name to your device in its search box at the top right part of the display window. It will help you to find the document easily. http://electro-medical.blogspot.com/

No....

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. Pull up older posts. 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.

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Disassemble procedure to many popular devices are given with illustrations.

If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Unlock procedure and to override the password lock to many popular brand TVs are given. Search the site by type in this key phrase "How to unlock television"; in the search box at the top left of the display window, to get gathered related posts.

If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/