Dead Marantz CD-63 KI - diyAudio
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Old 29th September 2004, 12:34 PM   #1
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Join Date: Sep 2004
Location: UK
Unhappy Dead Marantz CD-63 KI

I modded this CD player a few months ago with a Net-Audio Rock Clock, and was very impressed with the improvement in the sound.

Then last week the player died a death. The transformer does not appear to power up - no humming sound and it stays cold. I have tried changing the two internal fuses, and an alternative power lead, and have confirmed that the plug fuse is not no effect.

On modding that player, I did short-circuit two leads coming from the transformer, but fixed the problem, and the machine continued working.

But no more.....

Anyone had this before? Does anyone have the service manual in PDF?

Thanks in advance.
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Old 29th September 2004, 04:07 PM   #2
rameish is offline rameish  Singapore
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check any fusible resistors in the circuit board. Often a blown flusible resistor remains intact. fusible resistors often have a fifth band (sometimes white in colour) and are usually raised off the circuit board. My 2
listen at low volume to hear resolution
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Old 29th September 2004, 07:36 PM   #3
Zombie is offline Zombie  Sweden
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Do a search here, there should be a link to the service's 9 megs
good luck
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Old 30th September 2004, 07:15 PM   #4
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Thanks for the replies. I found the service manual eventually, and will check out the resistor as recommended.
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Old 1st October 2004, 10:25 PM   #5
Join Date: Dec 2001
Location: Zamboanga, City of Flowers, Mindanao
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Hi ,
Check the transformer for secondary voltage present. If not check if primary voltage (mains) is present.
My best guess: the transformer has a built in fuse that is blown.
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Old 23rd November 2004, 10:46 AM   #6
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Default hi i have a ki 63 transformer and it works

hi mate is you want a transformer drop me a line cheers john
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Old 23rd November 2004, 10:47 AM   #7
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i do not know what happend therewith my typeing i have a transformer here for the ki
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Old 24th November 2004, 10:04 PM   #8
Sjef is offline Sjef  Netherlands
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Join Date: Jan 2003
Location: Amsterdam
The transformer of the CD63 has a (unfortunatly non-replacable)built in thermal fuse. This could have heated up a lot when you made the short circuit but just not enough to blow it instantly. Check the voltages on the output of the transformer.
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