Hi all, I've bought my Aiwa HS-PL55 new in 1990 and it's a beautifully made, awesome sounding player, still on its original belt. I recommissioned...
Very interesting. I do like mods like these, if they make things better... It looks nice and easy to charge the pack with a micro USB charger but...
Once I fitted the new belt I turned them by hand to check if everything was synchronised. It only takes one or two backwards rotations to reverse...
I bought one of these recently off eBay for only £8 delivered. I didn't see your old post, it would have been helpful but I managed to get the...
For EMC issues it's useful to identify whether the problem is conducted (through the 3.5mm audio cable) or radiated (though the air). If you hold...
A quick update on my issue. I liberally sprayed the source switch and internal record switch with contact cleaner and exercised both manually many...
Thanks Mister X. I'll give it a try tomorrow. Not sure why that would cause it but if it's a common fault it's definitely worth a go.
Hi all, I've recently reacquired my childhood boombox, an early to mid 1980's Sharp GF-7400 and despite spending over 20 years in my fathers'...
The volume pot in my EX670 was so bad, scratchy, would jump to full volume frequently, I was totally convinced it was broken. Regardless, I tried...
I just bought a WM-EX670 in immaculate condition with exactly the same fault you describe. I haven't removed the circuit board yet to inspect the...
You're absolutely right doublecee, the red stripe is indeed the positive pole! Thanks very much for mentioning that as otherwise I'd have been...
I need to double check then as I've just fitted this one to my Aiwa!! Thanks
The stripe indicates the negative pin of the capacitor
I've only found 6.3mm diameter x 5mm high 4V 220uF Nichicon UMW. I used these, eBay item 183635237056. Alternatively you could use SMT Tantalums...
Saw some reproduction It's a Sony stickers on eBay today, 2 for £3 but not sure about the print quality. May be useful for some? eBay item:...
Jut re-read your message and had another look at the photo. the larger board looks to be proto board (Veroboard). I agree, there looks to be 2...
I think the DC-DC board is just this little PCB I've shown in the photo. It looks to be stuck to another PCB which I assume is original to the...
I think it may be like this one; eBay item number: 274522077007 Or search for 0.9 - 5V to 5V DC-DC Step-Up Voltage Boost Converter
For plastic parts I use Electrolube SPG (Special Plastic Grease). Not cheap but found it useful for a few other jobs around the house so not too...
You may have missed out a washer when reassembling. Tolerances are really tight. Check the diagrams in the service manual and make sure all the...
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