Leak Troughline II needs help!!!

:headbash: I have a leak trouble line II FM radio. The audio signal line is mono channel. When I came, it was connected to DIN 3 pin. Now I want to change it to 2rca plug. Can I directly split two left and right channel lines here? The positive and negative poles are divided into two lines, which are connected to the left and right channels of the amplifier. Attach the schematic diagram of the machine. Please help me have a look. Thank you,🙂
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