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Author Testing SMDs before re-fitting parts
Scotty_B
Member

Registered: 11th Jun 03
Location: East Kilbride
User status: Offline
12th Oct 10 at 14:06   View User's Profile U2U Member Reply With Quote

Just about to change the PLCC-2 smds in my Focus dials.

Rather than changing 22 smds and re-fitting the dials to find half of them work, is there anyway I could test them before re-fitting?

ed
Member

Registered: 10th Sep 03
User status: Offline
12th Oct 10 at 14:49   View User's Profile U2U Member Reply With Quote

Power it up using a bench power supply.
Scotty_B
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Registered: 11th Jun 03
Location: East Kilbride
User status: Offline
12th Oct 10 at 14:52   View User's Profile U2U Member Reply With Quote

Forgot to mention, I'm a newbie at this soldering lark.

bench power supply?
Steve
Premium Member

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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
12th Oct 10 at 14:57   View Garage View User's Profile U2U Member Reply With Quote

just plug them temporarily into the loom and turn the ignition on
Scotty_B
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Registered: 11th Jun 03
Location: East Kilbride
User status: Offline
12th Oct 10 at 15:56   View User's Profile U2U Member Reply With Quote

Easier said than done. I live in a top floor flat and the car is parked 100yrds away in the garage.

Would like to chesk them after every 5 just to make sure as I'm new to soldering.
oceansoul
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Registered: 19th Jun 06
Location: Sunbury, Surrey
User status: Offline
12th Oct 10 at 16:12   View User's Profile U2U Member Reply With Quote

Unless you have a +12V Power supply (like a spare battery or summing), they only way is to plug it into the loom.

 
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