Question about LG HX906SB 5.1ch 3D Bray and DVD Home Cinema System

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Boot and please wait problem - LG HX906SB 5.1ch 3D Bray and DVD Home Cinema System

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I had the same issue twice (2 diffrent devices) on LG Blue-ray HX-906 - stuck on "please wait" after switching it on. It turned out to be defective mainboard - main BGA chip (the one with black radiator) has some problem with connection to mainboard. Here is how to repair it:

- dismount the mainboard

- take off the radiator from the main chip

- put alluminium foil around the chip to avoid unnecessary heating up of other parts of PCB

- heat up the chip using air hotgun to about 200 celsius for about 5 minutes.

Mount everything in reverse order and enjoy

Posted on Nov 17, 2018

  • Aimar
    Aimar Feb 05, 2021

    Hello. Just tried (5.02.2021) this heating and it really works. Most heating went under black "radiator" and just in case heated little everything. Just tried and no "please wait" anymore. THAKN YOU!

  • Aimar
    Aimar Feb 05, 2021

    My unit is LG HX906PA or HB609PA



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1. Try to boot your computer in Safe mode and run a full system virus scan with your anti-virus software, this may fix the problem. The system will boot in safe mode only if its not a major damage to the file. If the system is not booting in safe mode, then perform system restore. Click start>all programs>Accessories>System tools>System Restore. Restore computer to a date where it was working fine.
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Mother board driver issues

Don't panic. If you take the cover off the side of the computer and look at the motherboard you will find a jumper that says cmos. You can switch the jumper and wait a minute or so then switch it back and it will boot up its defaults. If you cant find the jumper just take the battery out of the motherboard and wait a couple minutes and then put it back in. that will do the same thing and it should boot up fine.
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