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==== 0.156 inch MTA connectors ====
[[File:Cgs_0.156_MTA_connector.jpg|thumb|right|177px|0.156" 4 pin MTA connector]]
0.156 inch straight 4 pin connectors as used for the power supply connections on the PCBS (MOTM/Blacet
* [http://www.altronics.com.au/ Altronics], sold as [https://web.archive.org/web/20190614000817/https://www.altronics.com.au/p/p5604-oupiin-4-way-3.96/ mm-pcb-mount-pin-header/ P5604] and [https://web.archive.org/web/20190614000818/https://www.altronics.com.au/p/p5644-oupiin-4-way-3.96/ mm-crimp-housing/ P5644]
* [http://www.jaycar.com.au/ Jaycar], sold as [https://www.jaycar.com.au/4-pin-0-156-straight-locking-header-with-crimp-pins-3-96-pitch/p/HM3444 HM3444] and [https://www.jaycar.com.au/4-pin-0-156-header-with-crimp-pins-3-96-pitch/p/HM3434 HM3434]
* Allied [https://www.alliedelec.com/te-connectivity-640445-4/70083691/ 640445-4] (unchecked source)
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==== TO-3P heatsinks ====
Sometimes these can also be salvaged from old computer monitors, or switch-mode power supplies. Be aware that both monitors and switch-mode power supplies may retain dangerous voltages even when not powered.
* [http://www.altronics.com.au/ Altronics]. 50 mm sold as [https://web.archive.org/web/20190614000816/https://www.altronics.com.au/p/h0665-34-x-50/ mm-heavy-duty-to3p-pcb-mount-heatsink/ H0665].
* [http://www.jaycar.com.au/ Jaycar]. 40 mm sold as [https://www.jaycar.com.au/pc-mount-to-3p-heatsink-40 mm-high/p/HH8522 HH8522].
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==== Ferrite beads ====
[[Ferrite bead]]s as used on the power supply feeds to the PCBS. These beads can also be salvaged from old computer circuit boards, hard drives etc. Failing all else, they can be be replaced with a wire link.
* Altronics [https://web.archive.org/web/20170620151255/http://www.altronics.com.au/p/l5250a-4mm-ferrite-suppression-bead/ L5250]
* Jaycar [https://www.jaycar.com.au/ferrite-bead-for-emi-suppression-pk-6/p/LF1250 LF1250]
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12 position rotary switches. Made by Alpha. Lorlin switches also work.
* Mouser D shaft [https://www.mouser.co.uk/ProductDetail/Lorlin/CK1044?qs=VJkHNLJxjTc1lAMR6V5qCg%3d%3d 10WA144] or round shaft [https://www.mouser.co.uk/ProductDetail/Lorlin/CK2368?qs=%2fha2pyFadugNnjZAP6zxj6WY9h6aZ1aquv3gee2Pb74%3d 105-2454].
* Altronics [https://web.archive.org/web/20170615023609/http://www.altronics.com.au/p/s3021-1-pole-2-12-position-pcb-mount-rotary-switch/ S3021]
* Jaycar [https://www.jaycar.com.au/1-pole-sealed-pcb-rotary/p/SR1210 SR1210]
==== SPDT
PCB mount SPDT
* Altronics [https://web.archive.org/web/20171113104327/http://www.altronics.com.au/p/s1332-salecom-spdt-centre-off-pcb-mount-mini-toggle-switch/ S1332]
==== Wavetable ROMs ====
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[[BC547]] transistors are just a cheap common NPN transistor. Just use what you can buy locally. 2N3904 should be fine, though the leads are in the reverse order, so you will need to install them "backwards" with respect to the transistor outlines on the overlay. The same applies to BC557, just use the 2N3906. Later PCBs have transistor symbols within these outlines to assist with substituting transistors.
Note that the BC547 and BC557 are available in other pin-outs too, depending on which TO-92 spec. the manufacturer has used. According to
A Phillips C547 '''is''' a BC547. Same applies to C548, C549 C557, C558 and C559. This is one odd occasion where the "C" is not referring to a 2SCxxxx Japanese transistor.
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This video shows Ken Stone soldering a 1206 SMD 100n capacitors on CGS boards using a regular soldering iron. Instead of using the tip of the iron to position the component, a small screwdriver could be used. Likewise, instead of using your fingernail, a screwdriver could be used to hold the component down.
{| style="float:bottom; font-size:85%; text-align: left; border:1px silver solid;"
| <youtube width="300" height="200">_DsCdOaRUPM</youtube>
|-
| Hand soldering a SMD with a regular soldering iron.
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==== Jacks. ====
I never specify jacks as these will vary with a user's requirements. Sometimes a design will include a [[Normalisation|normalized]] connection, which obviously cannot be achieved easily with a banana connector.
== To use the wire anchor holes ==
# Trim off the end of a suitable gauge of hookup wire
# Pass it through the larger (pad-less) hole from below and pull a couple of inches through.
# Strip the insulation from the end of the wire, twist and tin it.
# Bend the wire over and pass the tinned part through the associated pad hole. Trim as needed.
# Flip the board and solder the tinned wire to the pad.
# Pull the excess wire back through the first hole so only a short length remains between the hole and the second pad. Make sure this is the LAST step, or the insulation will peel back from the wire as it is soldered.
== See also ==
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== References ==
*
*
{{reflist}}
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== External links ==
* [http://groups.yahoo.com/group/cgs_synth CGS Synth discussion group], for discussion of locating parts, modifications and corrections etc.
* [https://www.
[[Category:CGS modular]]
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