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Generic Hisense 42" Class LED-LCD 1080p 60Hz HDTV,1.5" ultra-slim F42K20E Questions & Answers
My 42 wont stay on,it powers up stays on for a min. or two screeches real loud then shuts off, than comes back on...this is all it does
Fault with the main power supply regulator 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://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.
Tv wont switch on
Power supply area Sipiwe, Check Capacitors. Monitoring circuit checks for standby voltage, and if it's not there - tv will not turn on.
Hisense led tv has audio but no picture seen .
follow this instruction and fix it. God bless you
- Make sure all power cords are
connected.
- Try pressing the
enter/play key.
- Make sure the TV is turned on
and the input is set properly.
- Make sure the TV source is set
properly on the TV (This is probably done on the screen;
Check your TV manual).
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