PSS A50 PCB MOD for missing RIGHT audio channel 

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In relation to the PSS A50 stereo mod video ( • PSS A50 stereo mod ), this is a prototype for the implementation of the missing RIGHT channel.
This version of the PCB was not manufactured. It's obsolete : the routing is incorrect for R5
Not yet started. Need to breadboard at first, since it implements a symmetrical audio path (similar to the one existing inside the PSS-A50 for the LEFT Channel), while my initial stereo mod implemented assymmetrical paths for the recreated Left and Right audio.
The PCB has pad jumpers in order to be able (when using two PCBs, stacked one on the other) to recreate both LEFT and RIGHT channels. Normal use case is to feed the existing Head Phones amplifier (RIGHT Channel input, two caps will have to be unsoldered : C603/C604) on the PSS-A50 PCB with the OUT R +/- of my PCB.
Target is to connect it between DACRPP/DACRMM and R+/R- inputs of the HeadPhones amplifier IC601 (C603/C604 will have to be removed).
Power Supply will come from +5V and GND under the normal size cap C035 (+5D / AGND) located on the right of the 3.5mm HeadPhones Jack; near the screw.