To be clear, by "shaft" I'm reffering to the part of the shaft that rotates inside a bushing. What is marked with red arrows are shafts. What's...
Fine grit sandpaper will polish the capstan even more. Ferric chloride needs to be used as we want to roughen the surface to have more grip....
For all rotating parts shafts use watch oil, even if there was grease from the factory. Only part where you need to use grease in on top of the...
The adjustment described is for W&F stability, not for tape speed. They say desolder the bridge (which disconnects the PLL, so no quartz lock),...
Yes, cyanoacrylate based glue (known generically as Super Glue) is good for repairing the reel gears. You just need to add a small drop on top...
Looks factory to me, it's a bodge on an early revision of the PCB most likely. On later revisions they probably added those components on the...
No, it isn't normal. Check the screws where the AAA sidecar is mounted. You most likely installed a long screw in a place where a short one...
You can't adjust the speed since the D6C is a quartz lock unit and speed is determined by the crystal frequency. Only speed that can be adjusted...
That area you press on is where the buttons PCB connects to the main board. This explains why you can realease the pressure and unit still runs. I...
If you want a full kit containing all 3 gears, this has all (but it is more expensive): https://www.ebay.com/itm/314978961246 There's also a kit...
WFGUI is a software to measure wow&flutter and measure/adjust tape speed. It can be downloaded here (first link):...
I attach a picture with motor spindle. Clean both, there's nothing to grease both parts should be clean even from fingerprints. As a sidenote, no...
The carriage activates a lever when door is opened, it's like the STOP button being kept pressed. It's designed to unlatch the mechanism once the...
Diffusion is a part of semiconductor manufacturing process. It's common for a chip to be packaged in a different country from where the wafer is...
I asked about behavior with no tape because you stated unit is struggling so bad the LED becomes dimmer. If so, is the LED still dim with no...
The WM-600 uses a 700 series mechanism, there are 2 things I would check: - do the table reels turn freely by hand ? Old grease is a common...
Look in the cassette compartment, has to be on the back near the record safety tab of the cassette. Usually there are 2 swtiches there: one to...
Of couse it's a good idea to ask for tests. Observing the actual speed is a more definitive test, as the fact motor always runs is a symptom that...
In regard to capacitors, from what I've seen in walkmans leakeage is related to 2 things: - brand (Nichicon and CE brand are the ones which leak);...
Think this question was asked before. What you say isn't really that big of a concern in practice because: - a donor D6C you just won't find at a...
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