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Trip Comp Fried 

 

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 Post subject: Trip Comp Fried
Posted: Sun Oct 16, 2005 1:25 am 
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Hey guys, any one know how to repair a trip computer. I had the led go out that illuminates the trip comp, so i pulled it and replaced it. Funny thing is i must have put it in the wrong way, as there was a large amount of white smoke, and the smell of burning electrics. I want my trip comp back. Willing to send it return post paid to get it fixed as these things are dear as poison second hand, and there aint any at any sydney wreckers atm.
Brett

 

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Posted: Sun Oct 16, 2005 2:49 pm 
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Ok a bit further infor, The trip comp was factory fitted to my EFII Fairmont Ghia, please any help would be appreciated
Brett

 

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Posted: Sun Oct 16, 2005 5:18 pm 
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hey mate
u sure it wasnt just the globe that blew up in smoke.
i havent herd of the wholoe thing stop working just cause the globe went in the wrong way

 

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Posted: Sun Oct 16, 2005 5:45 pm 
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Globe doesnt care which way you put it in. May have been a dodgy globe or something else in the trip computer is buggered.

 

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Posted: Sun Oct 16, 2005 6:30 pm 
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The thing is guys, i didnt put a globe in, i put one of the Narva LEDs, and thats what did the frying. Will pull it tonight and look for burnt tracks
Brett

 

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Posted: Sun Oct 16, 2005 7:01 pm 
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the led will sometimes blow if they are in the wrong way, or somehow short out

try a normal bulb back in it, or refit another LED making sure its in the right way :)

 

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Posted: Sun Oct 16, 2005 7:13 pm 
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Have pulled the Comp and it appers that the black chip on the rear circuit board is blown. It is marked with 53H and the motorola symbol. also has markings of T30 and what looks like SEL, but that is the bit that is burnt/bubbled. ANy one know what this chip is and where i can get a replacement
Brett

 

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Posted: Sun Oct 16, 2005 7:21 pm 
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Are yes a LED will blow if put in the wrong way.

I would probably look for a new trip computer rather that replacing the chip.

 

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 Post subject: Try this
Posted: Sun Oct 16, 2005 8:26 pm 
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Ring Holmwood wreckers at Cowra NSW they should have one at a good price. 02 63422620 02 63411444 or 02 63421494

 

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Posted: Sun Oct 16, 2005 8:26 pm 
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If your trip comp is stuffed, it might be easier and maybe cheaper just to get a new one...

 

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Posted: Sun Oct 16, 2005 8:31 pm 
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putting in an LED the wrong way couldnt have caused that, more likely there was a dead short somewhere and its drawn too much current and popped the IC you described.

 

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Posted: Sun Oct 16, 2005 8:36 pm 
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JOSE wrote:
putting in an LED the wrong way couldnt have caused that, more likely there was a dead short somewhere and its drawn too much current and popped the IC you described.


man you know your electrical s**t well!

 

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 Post subject: ?????
Posted: Sun Oct 16, 2005 8:40 pm 
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Unless the lamp is driven by the chip itself. They are pulse width modulated to be able to dim the display.

 

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Posted: Mon Oct 17, 2005 12:27 am 
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Matti had a look at it tonight, its the voltage regulator that is stuffed. Cheap and easy to replace so no prob. Just get a new one from jaycar
Brett

 

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Posted: Mon Oct 17, 2005 12:48 am 
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you just gotta hope that the voltage reg died of its own free will

 

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