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PCCHIPS M810 REV 7.1A ¨Q8-OVERHEATS THEN GETS SHORTED¨

PCCHIPS M810 REV 7.1A ¨Q8-OVERHEATS THEN GETS SHORTED¨
AND BOARD FAILS
I REPLACED Q8- K3296, WITH NO PROCESSOR INSTALLED THE BOARD SEEMS TO START OK,
BUT WHEN THE PROCESSOR IS PLACED IN THE SOCKET AND STARTED AGAIN Q8 STARTS OVERHEATING FAST AND THEN GETS SHORTED.
I TESTED THE DIMM RAM MEMORY AND AMD XP 1800 PROCESSOR AND BOTH WORK FINE ON OTHER BOARD,
ALSO I TESTED THE POWER SOURCE AND IT WORKS FINE

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Quiero encontrar un driver de grafico para tarjeta madre phoenixbios

Posted on Oct 10, 2008

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Posted on Jan 02, 2017

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Need to unlock moto q8 so i can use it.


Get the Subsidy Unlock code at Superunlockcodes.com and Unlock the Phone Motorola Q8 Check code for Your Country's Network Lock....Follow the instructions below and Unlock it step by step:
Motorola Q8 Unlocking InstructionsWarning : Do not enter any wrong unlock codes on your Motorola Q8 mobile phones. If you enter over a certain amount of wrong unlock codes on your Motorola Q8 mobile phone, your phone may get hard locked and sometimes become unusable.
1 - Switch ON your Motorola Q8 with a NOT ACCEPTED SIM Card,
2 - Phone will display "Enter Special Code",
3 - You can now enter the Unlock Code.

NOT ACCEPTED: We mean, to use a sim card from a network other than the network your Motorola Q8 is locked to.

WARNING: If one of theses messages appear :

- "Contact Service Provider"
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It's because you or somebody already entered too many wrong codes, you just have to leave the Motorola Q8 ON with the errors message and after 40 minutes to 2 hours the message "Enter Code Special" will appear again!
Each Motorola Q8 mobile phone has an unique unlock code. You can buy the unique unlock code for your Motorola Q8 mobile phone using the form above.

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Dear sir i have samsung 21 inch flat television now horizontal drive transistor fails after few hours i replaced 3 times the same transistor(tt2222) but again geting fails so pls let me know what is...


Hello
You just replace the freewheeling capacitor, normally come up to a value of 5600pf 2000V or so, connected to the collector of the horizontal output transistor, fitted very close to the collector lead. Replace the yoke return capacitor, 0.33uf or so also. Usually samsung sets use no heatsink for the horizontal output transistor. You just put a small heatsink to it and check. If it doesn't overheat, you can remove it later.
You can suspect the deflection yoke also for shorted winding. To check this. pull out the CRT base board out of the neck of the picture tube, place it where it doesn't get short circuited, and unplug the deflection yoke connection from the main board, and switch on the set. See whether the transistor overheats now. If it doesn't overheat, suspect the deflection yoke for shorted turns of winding inside it. Till the transistor overheats, suspect the LOT.
NOTE: Never switch on the set while unpluging the deflection yoke connection plug from the circuit board, without dismandling the CRT base board. CRT may get damaged, with a black burned spot inside the center of the screen.
OK.

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1 Answer

Burnt out resistor near coils on bestec atx-300-123 rev.c2 no diagram so don't know the value of the resistor.any ideas?


First of all, it is very unlikely that a resistor "burns out" for being defective itself. Usually they are designed to run around 50% of their rated wattag. So they can get hot to the touch but are not over stressed. Therefore, it is more likely that you have something else that caused excessive current to go thru he resistor. So the point is that you can replace the resistor and more than likely it will fail again. You should start with a schematice of the circuit and look for components that could fail in a shorted condition and therefore cause excessive current to go thru the resistor. A schematic will tell you the value of the resistor. I am guessing that it is on a PC board and is therefore "surface mount" style. Look for defects in the board trace causing shorts. A good place to start. Hope you find it. Lots of Luck.

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Samsung SP0411N HDD (3.5" IDE 40GB) PC board replacement


Hi,

The firmware is upgradable on these devices but only within the same Rev Series. Your best bet is to source a board with the same Rev and similar production date.

Assuming the board is all that failed this should r troubles. Try http://stores.shop.ebay.ca/Effective-Electronics__W0QQ_armrsZ1 as they carry a wide variety of boards. if they don't have it try a general search on eBay. Don't use anything more than the Samsung model # for the search though as most sellers haven't a clue about Rev#'s. Once you find a few similar ones you can ask the sellers for specifics.

If you can't find the proper board or if you do and it fails to garner results let me know and include your location(Country, State and City) and I will refer you into a clean room facility.

Chris

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this one has a few bad caps in the power supply,C5 and C6 330mf at 450volt and Q6,Q8 are problably bad part number K2372,you mite want to replace the power supply board part number BN96-00249A

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Replace Q2 by 18N50, Q8 and Q9 by STP6NK60 and Z2 and Z4 by !n4739. I have the same problem and fix it.

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Download CPUZ from this link. This app will give your mobo info.

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Audio driver install failed


Try downloadign the driver and installing it again. PCChips is a rather cheep line of motherboard as I hve dealing with them. If that does not work consider installing a PCI sound card like soundblaster. I have had to do that a few times rather than replace a board.  The PCChips website reall does exist.See below: Good luck

http://www.pcchips.com.tw/PCCWebSite/Support/Category_Support.aspx?MenuID=3&LanID=2

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VIDEO DRIVERS FOR m810


NECESITO EL DRIVERS DE SONIDO DE PC CHIPS , PORQUE MI COMPUTADORA FUNCIONA BIEN PERO NO SUENA NADA, YYY CRISTO TE AMA...

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