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SC91DM Presentation Scaler Switcher
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PTN Electronics Limited
www.PTN-electronics.com
8. System Diagram
The SC91DM is 9 video inputs, including the 2xHDMI, 2x VGA, 2x YPbPr, 2x Composite video,
1x S-Video. All of them can be switched to the HDMI and VGA outputs simultaneously, except
the HDCP protection signal, which can only be switched to the HDMI output.
And, the SC91DM has 7 audio inputs, including the 4x 3.5mm jack, 3x RCA. Every audio input
can be switching following the video or break away switching by RS232 controlling.
And, there is a 2x8Watt@4Ohm amplifier output, which is the same as line out of 2xRCA output.
The MIC input is not including the phantom power.