That middle pulley sitting at an angle is a common problem on these WM-10/20/30 series (they all sit at an angle when belt is installed). Not sure...
Can't see anything wrong at first glance. Batteries getting hot means one thing: there's a short circuit somewhere. You have to find where that...
See pictures attached for more clarity. Battery compartment does not come out, it's part of the chassis. it's only the terminals that come out....
Depends on how much the unit costed and how much a refurb will cost. High selling price can imply waiting a lot, so keep that in mind. A proper...
The split washers are available on FixYourAudio: https://fixyouraudio.com/product/washer-set/ The set doesn't include all possible dimension, but...
Generally, in SONY schematics, the part designators are the same for both channels apart from first digit (the ones starting with 1 are L,...
No, they are different ICs performing different functions (hence the different part numbers). Please check the service manual schematic (page 9):...
The links I posted are for CX184 (headphone amp - IC102) and CX182 (head preamp - IC101) respectively.
CX182 is also available here: https://www.ebay.com/itm/284194586372 Although have to say seems unlikely both the preamp and power amp are gone......
The CX184 amplifiers are available here: https://www.ebay.com/itm/297370164476
Would be interesting if your has that swtich in the jack. Nerver seen a WM-30 to have it (and it's not on schematic either), but given your...
Noticed that faint scratching noise in WM-700 series motors myself, it's audible when the motor comes down to a halt. When it's rotated as higher...
Don't know how hard that tape is to spin, but these walkmans should be able to play even a tape with more drag without problems. I usually use a...
@Phil247 Likely it's a capacitor problem, it's a relatively common problem on this model. A volume slider problem should have crackling and you...
In the DC-DC converters capacitor can fail, transistor and even the transformer. They can simply fail even without reversed polarity. Have you...
@Black Fingers About eccentricity, it's the rubber itself that's the problem. For example, rollers where you buy just the rubber (WM-700 series,...
The WM-30 doesn't have that switch in the jack anymore, that is only on WM-10 and WM-20 series. However it is to be noted the motor servo needs...
Swapping the rollers for new ones might seem like a logical step to do on any restoration. However, finding a good roller that's not eccentric...
Looks like it's a roller pressure related problem. Either there is not enough pressure or the roller surface is glazed and doesn't have enough...
There are a couple of possibilities (generally speaking): - there is not enough traction at the capstan/roller; This can be caused by oil...
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