Sony Handycam DCR-TRV330 Digital Camcorder Logo
Posted on Jul 24, 2008
Answered by a Fixya Expert

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Camcorder zooms by itself.

TRV330 slowley zooms to wide.I zoom it back to close but as soon as I take my finger off the zoom button or the remote control, it zooms back to wide. Sometimes flipping the zoom button on the camera will stop it from zooming to wide.Several times shutting the camera off then back on stopped the zooming. Sometimes nothing I do will stop it, and it just stops by itself. Sometimes the zoom just won't work, with the camera zoom button or the remote control. Unpluging the remote has no effect. Several times I removed the battery and put it back in and it stopped. Is this a hardware problem in the zoom button contacts or a solid state device problem?What kind of cost for repair should I expect? Will the entire flexible PC board have to be replaced, or can a component be repaired?

  • 3 more comments 
  • cdgrant Jul 24, 2008

    I've done a lot of electronic work, including the complete disassembly of my Sony analog 8 camcorder to trace down an audio problem. My only concern is, can i do anything about the problem without replacing the button bar. Is the problem a loose connection on the button bar or connecting plug? Thanks for your quick response.

  • cdgrant Jul 24, 2008

    I would prefer to repair the problem myself if it can be done without replacing the button board. If I need to replace the button board, where can I get one for the lowest price? I've tried to buy parts from Sony before and could not without being an official Sony Repair Shop.

  • cdgrant Jul 24, 2008

    Thanks to both responders. Since the problem is intermittent, there most likely will not be a readable voltage on the board's output when I check it. Possibly moving parts and wires around I can find the culprit that is causing the problem. Nonetheless, I will clean all contacts and make sure they are being secured properly. Any suggestions as to which area the problem would most likely be? Thanks.

  • cdgrant Jul 25, 2008

    Sorry but the website you listed only sells accessories like batteries and such. They do not sell parts. If I need a new button board, where can I buy one? Sony just doesn't want to sell to anyone but an authorized Sony Service facility. I had the same problem with the audio board on my analog 8 camcorder, they don't sell them. I needed a connector extension so I could turn the double sided board over while connected to the main flexible circuit board. There was a loose connection on one of the rf coils that cut out the sound when the board was flexed. I couldn't get to the components with it plugged in, so couldn't localize it to a single coil. I thought I would just replace the board but could not find anywhere to buy the board, they just wanted me to send it in and have it repaired by a Sony Authorized Service person.

  • cdgrant Jul 25, 2008

    Where can I purchase a new button board for the camcorder? Is this a common problem, and if it is, where is it most often shorted out? Thanks for any help you can give.

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4 Answers

Anonymous

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  • Posted on Jul 25, 2008
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Unfortunately, the board is not available for sale. This kind of repair is only undertaken at a service center. You could however, try to buy a second hand piece from say Ebay, and try from there..But the only option apart from a second hand purchase would be a service call..

Benjamin Patri

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  • Master 3,037 Answers
  • Posted on Jul 24, 2008
Benjamin Patri
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Sounds like the button is connecting or not springing back like it should. You should be able just to replace the zoom button and just would need to rewire and reconnect it to the camera. The manufacturer should be able to send you a new button. The pieces are so small in cameras, that one piece can easily break off. Let me know of any further questions that you may have on this

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  • Sony Master 19,396 Answers
  • Posted on Jul 24, 2008
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More then a problem with the main board, or with zooms gears it looks like a problem with buttons.
If you have already taken apart the camera, grab a multimeter and thest the output from button board. I am sure on one contact you will find some continuos voltage that is what activates the zoom.
Here is Sony spares in UK: Sony Genuine Spares (UK)

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  • Master 1,894 Answers
  • Posted on Jul 24, 2008
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This is some problem with the panel of buttons is your unit.

this will need some service from the company directly.

  • Anonymous Jul 24, 2008

    opening the cam by yourself will make you loose the warranty and also its a very delicate job. and hence needs utmost care and good experience while handling it.

  • Anonymous Jul 25, 2008

    it makes me feel that the camera software may be corrupted. because if it is a problem with some particular component then every time you try different things the problem must happen in the same way.

    but your case is not like that.

    the problem differs in each and every case when you try different things.

    and hence this is a software problem i guess.

    also if you are able to clear it in a hard reset its fine else you will have to take some help of service people to reinstall the software.

    thank you

    good luck

    have a great day


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