Want to update this thread in regard to the solution. The no sound or intermittent sound is caused by corrosion on a flex cable underneath the...
Yes, the 47k load resistors are one for each channel. Depending on specific test setup it can be just one in parallel with meter input since only...
@Dauner There's nothing signficantly different on the WM-D3 as far as replacing the center gear. Only thing extra you need to remove in the REC...
I think AIWA considers just the part of the frequency response that is flat (+/-0dB), hence why the apparently poor spec. In the attached picture...
A cracked clutch retainer won't cause speed issues, only decreased takeup torque. The 100mA current draw is with cassette in or without ? Manual...
Springs (part no. 333) have the following dimensions: OD (outer diameter) - 1.5mm WD (wire diameter) - 0.1mm L (total) - 5.5mm Closest I could...
Springs you will find on Aliexpress, but you need the dimensions (length, diameter, wire diameter). Will try to update later on regarding the...
In regard to the hold switch, you can add a blob of solder on the 2 upper terminals to short them together. Can also check the resistance of the...
That "Silent Mechanism" is likely a marketing gimmick, as mechanisms on these are mostly identical with very minor differences across the RQ-S...
"This might be because the vias are corroded/dirty?" - yes and ideally you should find where the problem is and fix with wire. Pressing the PCB...
Could be defective tape, it would be interesting to test it in another device being it a deck, walkman, boombox etc. and see if you can reproduce...
Given the radio works fine on both channels (assuming this based on info provided) and fact radio output is fed into the Dolby amp, we can...
Tape chewing is likely caused by some slight misalignment in your deck, don't see how the tape itself can cause chewing. Seen many situations...
DeckTech is a reputable belts seller. Buy confidently from them, belts will fit. Set I linked is for this exact model, not for a similar one. What...
Don't know the belt dimensions, but the belt set is available from DeckTech: https://www.ebay.com/itm/324026018026 You can measure the dimensions...
The flex cable doesn't need to be desoldered, entire board tilts after desoldering the 4 motor wires + battery wires + white wire coming from...
The DC-DC convertor on this unit only powers the Dolby circuits, everything else being powered by the main 3V rail. So even if that was to be...
Hello and welcome to the forum @Jairaj ! There are quite a few common problems with this walkman, hence why recommend checking post #8 here:...
Yes, the test signal at position 4 (400Hz, 200nWb/m ANSI) can be used for adjustments at levels mentioned in this tutorial. Alternatively, test...
It's more likely to have a dead earbud than a dead channel in my opinion. Fact right earbud starts cutting out close to max volume can be an...
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