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Step 4Assembling
Take the plastics mounting frame from the cdrom and cut holes in it that are big enough to make space for the pcb's. Be careful to leave enough material for the mechanical stability of the system.
The psu pcb is mounted with screws. The vu meter is mounted with hot glue.
The stereo plug of the cd-rom is mounted to the frame using hot glue.
The cables are fixed with hot glue to the frame.
After the pcb's are mounted take the front plate, fill the holes of the volume control, the led and the push button with resin. Do not fill the hole of the headphone socket. Do some sanding. After that spray new color onto the front plate. A white front plate doesn't look nice in a black pc ... :-)
While the front plate drys do the Wiring;
connect +15V to XS1-Pin 6, -15V to XS1-Pin 9, Ground to XS1-Pin 7.
Connect XS1-Pin 10 to Ground, SX1-Pin 11 to +5V.
Connect Audio via capacitors to XS1-Pin 1 and 2. 1uF capacitors will do fine.
Now adjust the vu meter. Switch on the power and do not apply an audio signal. Use R16 to adjust the display to the zero point. Only the first dots glow.
Connect the audio cable to you computer and put the mixer to maximum. Put in some music and adjust R5 and R6 to maximum. The 6dB dot should glow. Use some music with heavy bass in it. Bass appears on both channels at once and you can adjust the channels to the same level. Test some other music and do minor adjustments until you're satisfied.
Ok, the vu meter is not adjusted to the standards defined for vu meters ... but who cares? The idea is to have a nice looking device, nothing else ... :-)
Take the now dry front plate and put some acrylic window inside the opening of the cd-rom drawer. If you like you can leave the hole, I think it looks nicer if you close the hole with a window. The pictures are taken without the window because I left a mark on it while sanding the edges and I need to build a new one. I will put it in later ...
Put all parts of the case together and mount it into your computer ...
The psu pcb is mounted with screws. The vu meter is mounted with hot glue.
The stereo plug of the cd-rom is mounted to the frame using hot glue.
The cables are fixed with hot glue to the frame.
After the pcb's are mounted take the front plate, fill the holes of the volume control, the led and the push button with resin. Do not fill the hole of the headphone socket. Do some sanding. After that spray new color onto the front plate. A white front plate doesn't look nice in a black pc ... :-)
While the front plate drys do the Wiring;
connect +15V to XS1-Pin 6, -15V to XS1-Pin 9, Ground to XS1-Pin 7.
Connect XS1-Pin 10 to Ground, SX1-Pin 11 to +5V.
Connect Audio via capacitors to XS1-Pin 1 and 2. 1uF capacitors will do fine.
Now adjust the vu meter. Switch on the power and do not apply an audio signal. Use R16 to adjust the display to the zero point. Only the first dots glow.
Connect the audio cable to you computer and put the mixer to maximum. Put in some music and adjust R5 and R6 to maximum. The 6dB dot should glow. Use some music with heavy bass in it. Bass appears on both channels at once and you can adjust the channels to the same level. Test some other music and do minor adjustments until you're satisfied.
Ok, the vu meter is not adjusted to the standards defined for vu meters ... but who cares? The idea is to have a nice looking device, nothing else ... :-)
Take the now dry front plate and put some acrylic window inside the opening of the cd-rom drawer. If you like you can leave the hole, I think it looks nicer if you close the hole with a window. The pictures are taken without the window because I left a mark on it while sanding the edges and I need to build a new one. I will put it in later ...
Put all parts of the case together and mount it into your computer ...
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