Denon DN-961FA - reading problems - diyAudio
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Old 14th March 2008, 05:23 PM   #1
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Default Denon DN-961FA - reading problems

This older broadcast type player has trouble reading 75% of my discs.
It will either initially read the disc, or it will fail/error.

What adjustments can I preform ?

Understand that I am not too familiar with the insides of CD players, but I have an analog scope + other test gear....and my friend has some CD alignment discs.

He also may have some info on the location of the alignment pots...maybe not though.


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Old 15th March 2008, 04:45 AM   #2
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Alright, so this seems to be a common problem/question, here in this forum.

I wonder why no "sticky" , for common troubleshooting and maintenance of optical reading players ?

Here is a troubleshooting link, with thorough descriptions:

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Old 15th March 2008, 06:03 AM   #3
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Opened it up, cleaned the purple glass eye w/isopropyl 99%.
Seems to play more CD's, but it spins up 2 or 3 times to read.

Laser assembly is a KSS-240a. Three trim pots on it.

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Old 15th March 2008, 07:15 AM   #4
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On the right side of the unit's chassis (from front) there are two trim pots for focus and another setting I forgot. Twiddle those two pots carefully for best reading results.

I once owned 7 of these funky little players.

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