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My SONY gives up the ghost!!!!!!!!!

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Robert Westbrook

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Apr 24, 1998, 3:00:00 AM4/24/98
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Hi again fellas...

Just after I get my ten year old Yamaha Hi-Fi VCR working again, my 2
year old Sony SLV-940HF decides it's no longer going to thread tape around
the head, thereby eating it.
So, as soon as I saw that the tape guides were not moving the tape
around the head when a tape was loaded, I removed the transport mechanism
to inspect the problem... I *think* I found it, but not sure...
There are two plastic gears underneath the transport to which are
attached arms which drive the tape guides into position. These gears are
driven by a sliding plastic plate which is in turn driven by the loading
motor, as far as I can gather. Somebody correct me if I'm mistaken.
One of the two plastic gears has several tangs or tabs on it which the
plate uses to turn it into place. It looks to me as if one of those tangs
has been sheared off, or flattened (what would this part cost, if anyone
knows what it is?). After I determined this, I proceeded to reassemble the
deck, but to get some of the gearing to re-mesh, I turned the loading
motor by hand quite a few turns.
I think I must have driven something out of index, because after I got
it all back together, the tape section wouldn't operate at all. When you
power up the deck, you can feel the loading motor twitch a couple of times
(twice in about two seconds), and see the head spin up for just an instant
(I presume this is a little diagnostic). Then, the display shows:

L:07:60

or

L:00:60

The loading motor will not operate when you try to load a tape. Perhaps
that's what the "L" means in the error code? I realize I have made
whatever problem I had somewhat worse, but does anyone know if I've ruined
anything irreperably? There were several connectors that had to realign to
plug the transport back into the main logic board, but I was extremely
careful when pressing this back into place, using a flashlight to be sure
that all connectors were aligned. I took care to avoid static discharges.
I think I simply reassembled the transport in some incorrect way. I'm
going to take it to a professional, what do you think the damage will be
if I'm honest with him? Maybe even attaching to the deck a long note
describing what I did, so he can review it when he gets to it.

Thanks for any advice!

--
http://www.latech.edu/~riw

Tim

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Apr 25, 1998, 3:00:00 AM4/25/98
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Hi Robert,
Being a camcorder tech for the last eleven years I'm no longer familiar with
the newer VCR mech's. My advise would be to contact the SONY customer
service 800 # & find where the closest SONY EXCELLENT SERVICER is & tell
them what happened & what you did. The difference between a SONY servicer &
a S.E.S. as above is that a S.E.S. is continually monitored by customer card
feedback for above average ratings. I'm sure the tech will appreciate
knowing from the onset where to start looking for corrective maintenance.

Hope this helps,
Tim
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