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 Post subject: Learning to perform alignments
PostPosted: 11 Mar 2019, 02:08 
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I am currently working on a Pioneer CLD 3390 that had a bad pickup and am trying to realign the replacement laser.

I do have a Tektronix 2246 oscilloscope, Pioneer test disc GGV 1069, as well as a service remote.

I also have the service manual for the CLD 3090 as well.

However, I have a couple of questions. First, where is the grating on the pickup? Looking at a spare pickup, I can see something deep inside but not sure if that's it.

Next, I see some of the adjustments require an AF Oscillator and resistors. Do I need those as well to properly perform the said alignments?

Lastly, is there anywhere can get an eccentric screwdriver?

I have been able to get the pickup to track the test disc by adjusting VR602 (TRKG Balance), but it is quite sluggish in chapter search.
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