@artr
I had a knocking/scraping sound on my 34 a few years ago, like your 34, mine had been stood for a few years and the belt had gone to goo. The knocking sound came to light after replacing the belt, when laid on its back it was quiet.
Inside the flywheel there is/was/should be a washer with...
Here is the relevant section from the diagram on page 20 of the manual dealing with the meters, the description is on page 28.
Incidentally the manual on Hi-Fi engine was uploaded by me.
If you are still having no luck try this:
Firstly, double-check your connections between the M-30 & 34.
This checklist will use the submix section for playback.
Yes, jumpers as below, they need to be fitted along the top row input channels 1-8 on the right rear, and output channels 1-4 on the left rear.
Exactly as in your photo of the rear panel in post #6.
Just checking; on the 34 regarding the head shield. Sorry, but I have to ask. On the odd occasion I have missed it.
Also, I notice on the two photos of the rear of the m-30, one has the "Access send & Receive" jumpers installed and the other doesn't. Just to note that these should be...
Buss Outs 1-4 are labelled Line Out 1-4 in the section above "Buss Ins"
The switches 1 & 3 on the left are labeled "Remix" not Tape and connect with the tape in on the rear, (sorry I was working from memory, and only checked later)
An updated Copy of the connection file:
Do you have the...
Here is a checklist for connections and switch positions.
I don't think I've missed anything.
You may find these useful to note your M-30 settings, designed to sit below the meters, I use them with my M-30.
There are four "Record Select" buttons above the channel 1 VU meter. you have to select the channels you want to record on by pressing the appropriate button, the relevant LEDs should light up.
You can then record by pressing the transport's Record and play buttons simultaneously.
Here is...