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> C760 Charging Problem, Problem was a Loose Conector on Z
post Dec 29 2005, 06:42 PM
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Joined: 29-July 03
From: Michigan
Member No.: 314

My Z took to NOT charging. Sometimes the charge light would be on and sometimes not, either way battery would not charge in C760. Same battery would charge in 5500 after cutting nose off to do a charge test. After MUCH looking I found that power connection on C760 was very slightly loose on the inside back. Tacking case apart I found that the inside lead on the back of the connector was not solidered in very well and the solider had come loose from the wire. This could only be seen on the underside of the board (held in place by four black flat head screws on my unit) as that is the side which is solidered. Used SMALL iron and a VERY TINY amount of additional solider and my C760 now works JUST LIKE NEW. This post is just a hint of direction for others who can pinpoint that they have the same problem however BE VERY CAREFUL if you attempt the same fix as these boards are VERY easily damaged with either too much HEAT or SOLIDER, use care and proceed AT YOUR OWN RISK.
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post Nov 5 2006, 01:29 PM
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From: Miami FL
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Off topic, but just in case any hardware experts read this thread & have suggestions:

One of my C860s has a repeated problem with the screen back light failing due to one cable connection.

The back light will, after some amount of machine use, gradually get harder & harder to keep on. Eventually it will fail entirely.

I discovered, by trial & error, that removing the back of the screen half of the clam shell and "reseating" the "right" end (with the C860 clam shell closed, laid flat with the opened area upper most & the hinge away from oneself) of the cable nearest the hinge corrected the problem. For a while. Repeatedly.

Looks like Sharp made this unit with this cable just a little too short & that opening & closing the clam shell gradually pulls that connector & cable end appart till the connection fails.

Anyone have suggestions for a longer term fix?

ASIDE from Crazy Glue, That is - LOL!

BTW - the other C860 has never had this problem. And the problem machine went back to Sharp Japan, via Dynamism, while still under warrantee, but Sharp claimed that they could not, ever, replicated the problem. After having the unit in their hands for about 3 full months. Even though the failure happened again immediately on receipt of the machine back fro Dynamism.

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