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Old 13th Nov 2018, 7:32 pm   #1
Johnboy555
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Default Sony Digimatic ICF3410L

Hi this is my first post. I have recently purchased this flip clock radio as I love the look of the Panasonic one off back to the future but didn’t want to spend 100 quid? It all works except the bulb that lights the flip numbers. I have metered it out and it seems less then 5w. Can anyone suggest where I could get one To complete my restoration?

I paid 30 quid for the unit. Does this seem over priced?
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Old 13th Nov 2018, 7:57 pm   #2
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Default Re: Sony Digimatic ICF3410L

What sort of bulb is it? Incandescent, neon, wire ended, screw cap (size), wedge base, festoon......

What voltage is fed to it? DC or AC?

5W would be well OTT for a clock backlight, less than a watt would be plenty.

If it's made of unobtanium, something using LED(s) could be made to fit.....

As to the price- well if it's in GWO and you're happy fair enough. If you want a market value, try looking for similar items' actual sold prices on Ebay though they can vary wildly depending on who wants something and how much, if someone else also does all bets are off!
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Old 13th Nov 2018, 8:00 pm   #3
Johnboy555
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Default Re: Sony Digimatic ICF3410L

Hi thanks for the reply. It’s a normal incandescent bulb. It actually says Stanley on it.i will try and add a pic on here if I can
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Old 13th Nov 2018, 8:02 pm   #4
Johnboy555
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Default Re: Sony Digimatic ICF3410L

Pic of bulb
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Old 13th Nov 2018, 8:12 pm   #5
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Default Re: Sony Digimatic ICF3410L

Google 'grain of wheat bulb', but you will still need to work out the voltage. An LED conversion may be a better long term solution if you have the skills to do it.

£30 is top whack for a Sony flip digit clock radio, but not seriously OTT.
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Old 13th Nov 2018, 10:23 pm   #6
Johnboy555
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Default Re: Sony Digimatic ICF3410L

How hard is the conversion? I am good at soldering! I re metered the wires and it’s like less then 1 watt. And anyone got any good methods for restoring the white plastic as it’s gone a bit yellow from the sun light. I saw someone restore one using “salon cream” and putting it out in the sunlight. But that was in the USA.
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Old 14th Nov 2018, 12:10 am   #7
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Default Re: Sony Digimatic ICF3410L

I don't see how you can measure watts without a load. How exactly are you performing the measurement?

Are there no ratings stated on the old lamp?
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Old 14th Nov 2018, 10:44 am   #8
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Default Re: Sony Digimatic ICF3410L

The age-yellowing of plastic is frequently reversible, yes: it's particularly a problem with things like computer-mice, video monitor casings, 1990s game-consoles etc. where flame-retardants in the plastic break down, causing the yellowing.

As you've searched out, there are various techniques to try and restore whiteness, usually based on Hydrogen Peroxide-containing cream with or without optional sunlight/ultra-violet light. While this seems to work on most ABS-type plastics there's always a risk that your yellowed plastic parts are of a different material which may be damaged by the treatment, so it would be a good idea to try it out on a small less-obvious area (underneath?) as a test.

"Oxy-clean" is a product worth looking out for.
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Old 14th Nov 2018, 10:44 am   #9
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Default Re: Sony Digimatic ICF3410L

Quote:
Originally Posted by Johnboy555 View Post
It actually says Stanley on it.
A big Japanese name in this particular field - you see it a lot on the lenses of the lights on old Honda motorcycles for example (a bit like Lucas, but I suspect a lot more reliable!). They are still active now, there are plenty of Stanley LEDs listed in the RS catalogue.
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Old 14th Nov 2018, 11:08 am   #10
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Default Re: Sony Digimatic ICF3410L

There's no picture of that model that I can find on the web.

Lawrence.
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Old 16th Nov 2018, 12:19 am   #11
Johnboy555
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Default Re: Sony Digimatic ICF3410L

I could not find much on this model either. Maybe it’s very rare and worth a fortune! Here is a pic of it.
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