How to test working ic or cpu with multimeter? - GSM-Forum

luyanda · 09-01-2010, 05:51

HOW CAn i test power ic or cpu with multimeter i need this technics
please mates

sanjubhai · 09-01-2010, 06:31

you can just check the shorting between the positive supply and the ground pin of the ics by placing the prods of the multimeter on its vss and the vdd pins.........nothing more than it can be examined by a multimeter.

wbr: sanjubhai.

sudeeshveekey · 09-01-2010, 06:31

u never able find out any cpu faulty with multimeter.need Oscilloscope so that u can check
oscillations .data and signals from the cpu

$h@hidmobile$ · 09-01-2010, 10:41

brother it is not possible to check ic by meter ; the only way is to check it on pcb

luyanda · 09-01-2010, 13:53

then how to check on pcb?

sanjubhai · 09-02-2010, 09:08

Quote:

Originally Posted by luyanda

then how to check on pcb?

for testing an ic on the pcb we must have a complete working pcb,
then only we can place the faulty ic on the perfect working pcb, and now notice the symptoms created by placing the ic to be tested, if it works fine then its perfect otherwise its faulty one........

wbr: sanjubhai.

abdulhaleem777 · 09-04-2010, 10:54

3200 nokia display blue sceen plz he,p me

sachin_udai · 09-04-2010, 11:18

great way to destroy a working pcb with no reson.

sachin_udai · 09-04-2010, 11:22

u can check the components voltage near the pcb after giving 3.7 volts to the pcb n thn compare it with a working pcb in this way u can get an idea abt the condition of the ic.

hard but worth doing.

jai hind.

SAQIBSHAIKH · 09-04-2010, 12:44

no way to check such components via multimeter

09-01-2010, 05:51	#1 (permalink)
luyanda No Life Poster Join Date: Jan 2007 Location: Afrique du sud Age: 42 Posts: 3,052 Member: 430612 Status: Offline Thanks Meter: 301	How to test working ic or cpu with multimeter? HOW CAn i test power ic or cpu with multimeter i need this technics please mates

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09-01-2010, 06:31	#2 (permalink)
sanjubhai No Life Poster Join Date: Nov 2006 Location: lake city Posts: 774 Member: 386868 Status: Offline Thanks Meter: 125	you can just check the shorting between the positive supply and the ground pin of the ics by placing the prods of the multimeter on its vss and the vdd pins.........nothing more than it can be examined by a multimeter. wbr: sanjubhai.

09-01-2010, 06:31	#3 (permalink)
sudeeshveekey No Life Poster Join Date: Dec 2002 Location: cell-spare cochin penta kerala Posts: 585 Member: 18837 Status: Offline Sonork: 100.1601544 Thanks Meter: 71	u never able find out any cpu faulty with multimeter.need Oscilloscope so that u can check oscillations .data and signals from the cpu

09-01-2010, 10:41	#4 (permalink)
$h@hidmobile$ No Life Poster Join Date: Dec 2007 Location: pakistan Posts: 596 Member: 652132 Status: Offline Thanks Meter: 146	brother it is not possible to check ic by meter ; the only way is to check it on pcb

09-01-2010, 13:53	#5 (permalink)
luyanda No Life Poster Join Date: Jan 2007 Location: Afrique du sud Age: 42 Posts: 3,052 Member: 430612 Status: Offline Thanks Meter: 301	then how to check on pcb?

09-04-2010, 10:54	#7 (permalink)
abdulhaleem777 Junior Member Join Date: May 2010 Posts: 9 Member: 1301882 Status: Offline Thanks Meter: 0	3200 nokia display blue sceen plz he,p me

09-04-2010, 11:18	#8 (permalink)
sachin_udai Freak Poster Join Date: May 2007 Posts: 363 Member: 515100 Status: Offline Thanks Meter: 73	great way to destroy a working pcb with no reson.

09-04-2010, 11:22	#9 (permalink)
sachin_udai Freak Poster Join Date: May 2007 Posts: 363 Member: 515100 Status: Offline Thanks Meter: 73	u can check the components voltage near the pcb after giving 3.7 volts to the pcb n thn compare it with a working pcb in this way u can get an idea abt the condition of the ic. hard but worth doing. jai hind.

09-04-2010, 12:44	#10 (permalink)
SAQIBSHAIKH Registered User Join Date: May 2007 Posts: 238 Member: 504492 Status: Offline Thanks Meter: 30	no way to check such components via multimeter