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CD-Writer HP4020i

Posted on 1998-06-17
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Last Modified: 2010-04-26
I worked in NT4 and the CD-Writer was copy a session of a CD-Rom to my HD, than the nonitor has been black (I don't know why). Now my CD-Writer don't works any more - no power (the carrier don't opens) but the Powerplug is well. When I turn on the Power of my PC, the CD-Writer sounds very bad - I had this problem some time ago with a normal CD-Drive. When I turn off and turn on the Power again (without a long break) the CD-Writer don't sounds. But nothing functions. My Adaptec 2940UW can't find the Drive.
Someone had this Problem too? Otherwise I have to send the Drive to HP

Please write a comemnt, if you've a good Idea.

Thank you!
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Question by:zulliger
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joe_h earned 100 total points
ID: 1136168
I am afraid that something has killed your CD writer (could be a voltage spike). However, check the following:
- power and data cable connections. Pay special attention to the power plug; sometimes, there's a bad connection between the power plug and the printed circuit board.
- jumpers (might have fallen out)
- the SCSI adapter (does it detect other drives?)

When checking power, try to disconnect everything from the drive except the power cable. Then, if you still can't open the carrier, check the voltages going to the drive with a V-meter (preferably at the soldering points of the PCB of the cd writer). If all of them are OK, I suggest sending the drive back to HP.

BTW, it is usually recommended to wait at least 30 seconds after turning the power off before turning it back on.

HTH,
joe_h
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by:zulliger
ID: 1136169
Thank you for your Answer, but I've tryed nearly all what you have written. I'm going to do that with the Voltage-Meter. If there is any Voltage, I send it to HP

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by:joe_h
ID: 1136170
OK, try that. I have had a similar problem with a disk drive - the power connector was not soldered well, and the drive wouldn't work. Easily fixed with soldering iron.

The voltages you should find are:
black wire - ground (measure other voltages against this one)
red wire - +5V
yellow wire - +12V

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