can you recognize the IC from this scheme?

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Peters8

Member
Joined 2014
Hi guys!:)
I already know that it's very difficult, but I try to ask you for help.
The question is the fllowing: can you indentify the IC 1 in the scheme of the picture below?
The IC in question is the triangle with 5 pins: I can read just TDA, the numbers seem to be "2030"...what do you think about the numbers? could this IC be a TDA2030 ?
The only things about this amplifier that I know are the following:
Fuses: Primary: T0 3 A
Semiconductor configuration: 2 IC, 2 transistors 8 diodes.
Output power: 2 x 20 W music
Frequency range: 80 - 18000 Hz (- 6dB)
Output: 2 x speaker 4 ohms

I don't know if these informations could help you to identify that IC.
Furthermore, I've another doubt about the fact that IC could be the TDA2030: the amplifier is from the 1977 or 1978...but in those years the TDA2030 did not exist...or am I wrong?
Thank you very much for your patience and for your support;)
Best regards:)
 

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mat02ah

Member
Joined 2005
It's a TDA2030. The pin out matches, the power matches, it was developed in the seventies and there was an equivalent (A2030) in the GDR (East Germany before 1990). This system was most likely produced in the GDR for Quelle (a west german mail order company).
 
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