MRS-802 cd burner

All flavors of Zoom MRS gear discussed here, including MRS-8, 1044, 1266, 1608, etc.
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busta string
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MRS-802 cd burner

Post by busta string » Fri Sep 15, 2017 9:23 am

"NO CD-R
DRIVE"
This is the prompt I get when pressing the CD-R/RW button. Is my burner dead ?
I first thought it was a CD door / carriage issue, but the prompt says otherwise.
I opened it, looking for bad connection or any other visible problem....no joy.
If a replacement burner is needed, can anyone please guide my to the place to find one ?

busta
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busta string
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Re: MRS-802 cd burner

Post by busta string » Thu Sep 21, 2017 3:31 pm

I found a # matching burner...$20
Put in the replacement...now the prompt reads; Int HD/error
Nothing powers up. It seems these two are not playing well together.
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Re: MRS-802 cd burner

Post by busta string » Fri Sep 22, 2017 9:00 am

any hints or thoughts ?
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Jim_Fogle
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Re: MRS-802 cd burner

Post by Jim_Fogle » Sat Sep 23, 2017 12:53 pm

Check the voltages for the compact disc player and hard drive. The best way is with the power off, unplug one of the white, four pin connectors to either device. Power up the MRS-802 then use a voltage meter to measure the dc voltages that should be present on the four pins.

IDE Power Connector Pin-Out
Pin # Signal Function Wire Color
1 +12V DC Yellow
2 +12V Return Black
3 +5V Return Black
4 +5V DC Red

http://www.beaglesoft.com/pcie2pcifaq.htm
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busta string
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Re: MRS-802 cd burner

Post by busta string » Sun Sep 24, 2017 3:46 pm

Thanks ... I'll give that a try
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Re: MRS-802 cd burner

Post by Jim_Fogle » Tue Sep 26, 2017 10:09 am

Additional note: As far as I know the cd burner and hard drive are the only two components that use the +12V DC. The only other thing I can think of that MIGHT use +12V DC is whatever generates phantom power. The values for both the +12V DC and +5V DC should be close; i.e. +12V DC might read 11.99V DC or 12.01V DC. If the voltages check out the next possibilities are bad IDE ribbon cable or bad board. The plastic insulation of the ribbon cable "dries out" and becomes brittle over time. The circuit board the ribbon cable plugs into has the IDE circuitry needed to communicate and operate the hard drive and cd burner.
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2017 Band-in-a-Box, Sonar Home Studio, Cakewalk Music Creator 6, Audacity, Chord Pulse
Win 7 laptop i3, 8 GB DRAM, 500GB HD
Zoom MRS-8
Gibson acoustic 12-string, Peavey Predator, Line6 Variax, Yamaha keyboard and digital drums

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