21. Adjust the tape guides as show in the pics. The aluminium bracket the head sits on it not straight from factory, hence why the guides sit an...
This thread covers the restoration of SONY WM-DD9. Main points of servicing this walkman are: - a general clean and re-lubrication of all...
It's not about crap caps, but different value components for different tuning. It's a design choice. SONY did similar thing on many units...
Yes once fixed they do stand their ground. Only important thing is to not leave cassettes in, as that pad lifter will have extra tension from the...
Please check these threads: https://stereo2go.com/forums/threads/wm-dd-series-new-center-gear-wobble-problem-and-solution.7387/#post-53936 - gear...
Motors are both fine from the perspective of current consumption, even more so if they turn freely in both directions. At first glance, the servo...
Deoxit F5 is similar to Kontakt WL being both a cleaner and a lubricant at the same time, while D5/Kontakt 60 are just cleaners. As far as...
Have you checked and adressed the problem presented here:...
Reserved
This thread covers the repair of WM-DD series (WM-DD, WM-DDII, WM-DDIII, WM-DD30, WM-DD33, WM-D3, WM-DD100, WM-DC2) takeup reel support repair....
There are 2 options: disassemble the button and clean manually or simply spray some contact cleaner over and pressing the button many times. The...
Given the buttons use a resistor ladder, any increased resistance on the buttons will render this behavior. Solution is to clean the buttons...
Looks to be a 9 x 7 x 1.5mm (OD x H x pin diameter), which is pretty standard for many of these early walkmans. But it's best to double check with...
It is recommended to do a full service on these DD9s. A tutorial will come in that regard. Pulleys are held by cut washers that are hidden...
The 2 x 470uF capacitors are for mains hum filtering if an AC adapter is used. Not related to your problem at all. Also, it's important to use low...
The controller would not be affected by changing the position of the walkman. When these jumps in speed happen, what happens to the motor voltage...
According to the table atatched, DIN reference level (250nWb/m) is 1.3dB higher (or 1.4dB higher if I take their +2.8dB on Dolby, I used +2.7dB in...
Would be worth measuring these under load too, to see the difference. As it has been mentioned before, these unregulated AC adapters have...
Yes it does look like a mechanical problem, what's curious is how it gets triggered only in record mode. A hard to turn roller can increase the...
Interesting. Now I fully understand something that have missed before, the motor is actually struggling not having enough torque at the end of...
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