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 Sony TR - 1000 transistor radio
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 Return to top of page · Post #: 1 · Written at 3:43:25 AM on 19 February 2014.
Viccadillac's Gravatar
 Viccadillac
 Location: Perth, WA
 Member since 7 May 2012
 Member #: 1140
 Postcount: 157

Hello members,

I am repairing a TR-1000 radio of sentimental value to a customer and need some transistors.

2SC404, 2SB378, 2SC 403 , 2SC402, if anybody has any I can purchase or knows where I can get some that would be fantastic. Have tried all the usual outlets.

I managed to get the amp stage working but it may be short lived with germanium transistors.

Cheers
Vic
 
 Return to top of page · Post #: 2 · Written at 9:06:32 AM on 19 February 2014.
MonochromeTV's avatar
 MonochromeTV
 Location: Melbourne, VIC
 Member since 20 September 2011
 Member #: 1009
 Postcount: 1182

Hi Vic.

If originality is not important you may wish to try some more commonly available equivalents.

http://english.electronica-pt.com/components-cross-reference?ref=2SB378.
http://english.electronica-pt.com/components-cross-reference?ref=2SC402.
http://english.electronica-pt.com/components-cross-reference?ref=2SC403.
http://english.electronica-pt.com/components-cross-reference?ref=2SC404.

The 2SB378 is germanium and you could probably get away with a AC128 or OC74, just making sure you get the base connections right. The other transistors are silicon.
 
 Return to top of page · Post #: 3 · Written at 9:06:49 PM on 27 February 2014.
Viccadillac's Gravatar
 Viccadillac
 Location: Perth, WA
 Member since 7 May 2012
 Member #: 1140
 Postcount: 157

Thanks Monochrome,

Will look into these, thanks very much .

Cheers
Vic
 
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