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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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PC MOTHERBOARDS
hi
i am interesting where i can find some sort of "most common" electronic circuit diagram of typical PC motherboard, no matter if it is S478 or S462 type... i am interesting in troubleshooting motherboards by electronic way...like; checking usual malfunctioning resistors, transistors(fets) or regulators and DC2DC convertors and regulators... about measuring and replacing capacitors i already know (been there-done that)...i want to get a bit deeper into repairing motherboards... also could be some help if you point me to some sort of block diagram wich shows usual and most common way of power supply circuits on mobo's and other circuits wich are usualy goes down, get burned, malfunctioning...etc... i got mostly all necessary equipment for measuring (multimeters digital and analog, ESR meter, LFC meter, R/C meter..etc..), also tools like Weller iron solder Magnastat inc. hot air soldering station...except scope wich is very old (1969.) and got only 8MHz (Hameg HM207)..so its not so usefull, but it works fine for svereal basic tests... just for info; i am hobbist in electronics (beside HAM radio operating) thanks a lot in advance for any kind of help and tips&tricks... Gagi , 9A6AAG fm Croatia |
#2
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PC MOTHERBOARDS
"GAGI-9A6AAG" wrote in message ... hi i am interesting where i can find some sort of "most common" electronic circuit diagram of typical PC motherboard, no matter if it is S478 or S462 type... i am interesting in troubleshooting motherboards by electronic way...like; checking usual malfunctioning resistors, transistors(fets) or regulators and DC2DC convertors and regulators... about measuring and replacing capacitors i already know (been there-done that)...i want to get a bit deeper into repairing motherboards... also could be some help if you point me to some sort of block diagram wich shows usual and most common way of power supply circuits on mobo's and other circuits wich are usualy goes down, get burned, malfunctioning...etc... i got mostly all necessary equipment for measuring (multimeters digital and analog, ESR meter, LFC meter, R/C meter..etc..), also tools like Weller iron solder Magnastat inc. hot air soldering station...except scope wich is very old (1969.) and got only 8MHz (Hameg HM207)..so its not so usefull, but it works fine for svereal basic tests... just for info; i am hobbist in electronics (beside HAM radio operating) thanks a lot in advance for any kind of help and tips&tricks... Gagi , 9A6AAG fm Croatia One of the places I worked, we had schematics for the standard PC motherboard we were modifying for our prototypes, but it was a proprietary document protected under a NDA. Your best bet is to look up datasheets for the parts in question, they usually contain example circuits which will be very close to what you find. |
#3
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PC MOTHERBOARDS
"James Sweet" wrote in message One of the places I worked, we had schematics for the standard PC motherboard we were modifying for our prototypes, but it was a proprietary document protected under a NDA. Your best bet is to look up datasheets for the parts in question, they usually contain example circuits which will be very close to what you find. well, thanks for info, i just apply that tip into practice and seems it works....several datasheets i have download contains some "around" circuits diagrams necesarry for working of IC element i am interesting in....so after cheking impulses and Voltages i can presume what can be in malfunction around that IC....etc... well..its better then nothing ) thanks... PS: if you get any (even by accident) document like that one you got before...please, remember me ) |
#4
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PC MOTHERBOARDS
GAGI-9A6AAG wrote: i am interesting where i can find some sort of "most common" electronic circuit diagram of typical PC motherboard, no matter if it is S478 or S462 type... I got this stuff when expressing an interest in PC chipsets but you may find that difficult as merely a hobbyist. Graham |
#5
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PC MOTHERBOARDS
"Eeyore" wrote in message I got this stuff when expressing an interest in PC chipsets but you may find that difficult as merely a hobbyist. Graham well, try me however, i can handle with electronic schemes very well, my main problem is that i got no any stuff to read from... anyway, i am looking for common materials, not specific one...so i could read it and get some logical conclusions of principle how does it works in general....so i could apply that in diagnosis by principles...thats all... my email you can see is correct one so we can continue discussion privately, i mean, exchanging usefull "materials"...or at least some "URL's" where i can find materials i need by myself thanks a lot in advance... Gagi |
#6
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PC MOTHERBOARDS
On Mon, 21 Apr 2008 10:33:21 +0200 "GAGI-9A6AAG" wrote
in Message id: : hi i am interesting where i can find some sort of "most common" electronic circuit diagram of typical PC motherboard, no matter if it is S478 or S462 type... How about a reference design/schematic? http://developer.intel.com/design/ch...ics/252813.htm |
#7
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PC MOTHERBOARDS
"JW" wrote in message How about a reference design/schematic? http://developer.intel.com/design/ch...ics/252813.htm great job....thats what i was looking for.... )) damn...it was right in fornt of my nose all the time and i didnt saw it...as we use to say; "being blind beside your own healty eyes" ) thanks once again... |
#8
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PC MOTHERBOARDS
JW wrote: "GAGI-9A6AAG" wrote i am interesting where i can find some sort of "most common" electronic circuit diagram of typical PC motherboard, no matter if it is S478 or S462 type... How about a reference design/schematic? http://developer.intel.com/design/ch...ics/252813.htm That's the kind of thing I had in mind. You may also find reference pcb layouts too. Graham |
#9
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PC MOTHERBOARDS
"Eeyore" wrote in message That's the kind of thing I had in mind. You may also find reference pcb layouts too. where?! i didnt saw it on Intel design site.. |
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