I have a jvc gr-d30u that has a similar problem. being the electronics nerd I am i tore into it. sure enough I believe i have a ccd failure. from the description of your problem I don't know that your ccd failed. the ccd isn't involved in playback so I would imagine you may have a main board failure (using my camera as reference). a main board cost as much as my camera so it may be the same with you. mine plays back just fine and when I was manipulating the ccd assembly I kept getting momentary lines in the black on my lcd. this tells me the ccd probably failed due to excessive heat from being in my car. i took the ccd off the optical assembly to ensure a bad iris wasn't the culprit and there was still black. disconnecting the ccd showed no change, so i'm fairly confident that the ccd took a nose dive. If you're looking for parts try www.partstore.com. they list the ccd for the d90 and d30 (same ccd) at about $46. it will require soldering to the ccd board assembly as it is just the base assembly for that price (ccd and metal mount plate). hope this helps.

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