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This is the MOD in a scheme, i f you are familiarize with scheme's and circuits is easy to make the STEREO MOD

Finally, i found THE SOLUTION! now i finish my RADICA SLOT CARTRIDGE MOD and in this moment it's working with STEREO SOUND.

The mod it's easy, in the scheme, A and B are RIGHT channel, and C and D are LEFT.

Using the LM338 (dual O.A.) and cutting one via in the PCB (the union of RIGHT and LEFT ...

It's ok, we can understand it. Wink

hehe (thanks for encouraged me) hehe.

oh it's a bit complicated explain you how to use, but in this case i suppose only hearing the game we can know what signas are. we can prove it desoldering 3 of this 4 capacitors and hear what happen, the same with each ...

i think so, but, i dont know what signals are.

i have not many time to test it (i'm all the day out of my home). this monday i can test it at work, with osciloscope and hearing the game, its possible right and left be there.


(sorry for my bad write english)

These 4 points ABCD are between CAPACITORS CE6, CE8, CE10 and CE11, They are typical TEST POINTS PADS. and this 4 capacitors are the first 4 capacitors in the scheme.

If you know spanish, you can go to this link:

http://www.elotrolado.net/showthread.ph ... did=484315

to follow all radica AUDIO STEREO modification....

BYE!

the question is, a b c and d i dont know what are they, baut i'm testing. the solution is, locate RIGHT and LEFT (two of these A B C or D) and then use integrate O.A. in RADICA for example to RIGHT and put another Amplifier to LEFT then we must CUT the circuit because if we not CUT it in this case ...

http://img75.imageshack.us/img75/9131/audioradica9fb.jpg

this is de schemme i do from the RADICA board, if you can see we have 4 inputs to add to a OPERATIONAL AMPLIFYER with funtion INVERTER AMPLIFY. now i'm in testing this for inputs (A, B, C and D) to see what of those are RIGHT and LEFT ...