20 Most Recent Sharp LC-32SB21U 32 in. LCD TV - Page 3 Questions & Answers

When you say WD box, do you mean a Western Digital Hard Disk Drive? If so, get a Solid State Drive (SSD), and connect it via USB3. The HDD or the USB connection is not fast enough to keep up with the required speed of the video. If you mean something else, please add details.

Check the high voltage circuit on the board that has the 120 volts input. The high voltage should be close to 400 volts - nothing less than 390 volts. The capacitor is failing to hold the voltage and needs to be replaced.

un plug tv and try to force on by pressing vol_ and input button from tv then plug back in see if tv comes on .

Look for it at its bottom side [stand]

Hi, Here you can get solution of your question/problem. https://support.roku.com/hc/en-ca/articles/209403268-Roku-TV-Introduction

The T-con board is bad TV Parts Universal TV Stands DLP Chips ShopJimmy You can get the board from here and replace it yourself. It's easy.

TV Parts Universal TV Stands DLP Chips ShopJimmy You can get a universal stand from here.

Not on every model.

Sounds like The main power supply regulator section circuit fault. 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. 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.

It' seems short circuit . kindly check your input card and power supply .

These blinks [flashes] are fault indication (Error Codes).From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it.This will make repair easy.These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times.Count it carefully.If you wish to get some details, check the site linked here.It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.http://electronicshelponline.blogspot.com/ Blinking codes details to many popular brand TVs are given.Surf the site with patience.If blinks continue without any pause, the main board is faulty.

Sounds like display panel fault. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electro-medical.blogspot.com/ http://electronicshelponline.blogspot.com/ Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD screen are similar, irrespective of its brand and screen size.

Please attempt to bring up an internal image on the screen by pressing Menu button on TVs remote, and on the TV panel itself. Do the same using the Volume button to see if the volume bar appears. If they appear, check the cords of the sources connected to the TV; make sure they are secure, and not loose. If doesn't appear going to need a circuit board replacement.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/ http://electro-medical.blogspot.com/ Blinking codes details of many popular brand TVs are given. Surf the site with patience.