SM630, Assembly Manual - SSSR Labs · SM630, Assembly Manual PCB Version 1.0 Page 3 of 14 Step 2:...

SM630, Assembly ManualPCB Version 1.0

104

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1n0

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TL074

TL074

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УД708

УД708

УД708

КР159НТ1В


Step 1: PCB set

The SM630 DIY Kit contains two boards:Board 1. (Rear) This board contains the power connector and the shaper circuit.Board 2. (Front) This board is where the controls and CV-related circuits are located.Most of the components have to be placed on the top side of both boards. The back side is used only for headers connecting boards together. You could speed up the building process using a tool holding the boards firmly during staffing and soldering.

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Board 1Board 2


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Step 2: Small Diodes

Find the thinnest components: a silicon small signal diodes. Notice the polarity. The black stripes indicating the cathodes must correspond with stripes on the PCB. Solder all diodes to the top side of the PCB, then proceed to steps 3–5 and then flip the PCB over, cut the leads and reflow and solder everything to the back side. This technique is the best method to accurately and firmly solder radial components, so it is recom-mended to use it with all components allowing you access to the top side.

Dot

Stripe


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Step 3: Resistors

Install the resistors. You can use the above picture as the reference to verify values before soldering.


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Step 4: Protection Diodes

Solder two protection diodes. The 1n4004 may be substituted with any diode of the 40xx series: 1n4001–1n4007. Take care of the right orientation. (Refer to the picture)

It’s time to strip the leads and reflow installed components on the back side.


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Step 5: IC Sockets

Insert all DIP IC sockets. Please pay double attention to the correct orientation. All chips in this kit have their Pin 1 directed to the left side.

These sockets are very slippy, so it’s practical to gently bend their pins towards each other to help them sit in the holes while you’re flipping the board over and soldering them. It’s recommended to solder just two pins in the opposite corners of each socket and then reflow them while pushing the socket closer to the surface of the PCB. Then solder the rest of the pins.

Pin 1

Notch


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Step 6: 100n Capacitors

Install and solder two 100n capacitors.


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Step 7: 1n Capacitors

Solder four 1n capacitors. You need to bend their legs in advance to fit the 5mm dis-tance between holes. You can also bend capacitors to the surface making your build more compact.

1n0

1n0


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Step 8: The Power Header

Install the power header. Notice the orientation! It’s recommended to solder two pins in the opposite corners, then solder the rest of the pins. The six central pins are con-nected to the ground plane and require extra heating. It is also recommended to plug the power cable to prevent pins from bending if the plastic case has started to melt due to extensive heating.

Notch


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Step 9: Electrolytic Capacitors

Solder the 10u electrolytic capacitors. They are polar components and must be ori-ented the right way according to the illustration. The blue or white stripe with the Minus markings shows the negative side, and the positive sides are marked on the PCB with the Plus sign. Also, the positive lead is longer than negative. You can also bend those capacitors to decrease the module’s depth a little.

Before proceeding to the next step, you could easily clean the back sides of the PCB while there are no components.


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Step 10: Headers

Now it’s time to turn boards over. There is 5 complementary pairs of headers: four 2-pin, and one 4-pin. In order to align both boards perfectly, you need to solder all headers at the time when they are in their working position. Connect each pair, then insert the male sides into the Board 1, then carefully wear the Board 2 on the female sides to form a sandwich. Then solder a couple of pins at the opposite corners on each board to let headers keep this sandwich together. After soldering the rest, you can disassemble the sandwich and continue to the hardware. Do not apply serious force to the 2-pin female headers. At this point, the Board 1 soldering is finished.


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104

104

1n0

1n0

1n0

1n0

TL074

TL074

TL074

УД708

УД708

УД708

КР159НТ1В

Step 11: ICs

Insert all circuits into its sockets. Please pay attention to the orientation and make sure that you have inserted the КР159НТ1 (KR159NT1) transistor array chip to its place next to the power header.

It’s highly recommended to clean the top sides of the boards now, before installing the control hardware and the front panel.


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1n0

1n0

TL074

TL074

Step 12: Hardware (Jacks, potentiometers and the switch)

Install all the hardware without washers and nuts. Also, if there are fixing tabs on the potentiometers, you need to break them off using plyers. Then remove the protective sticker from the front panel and wear the panel on. Since you do not need access to the top side of the Board 2 anymore, you can wear and tighten all washers and nuts. The jacks and pots will not slip off the PCB. Solder everything.

Clean the back side of the Board 2 the last time.

When you finished cleaning the PCB, take the plastic spacers and insert all three of them into the front board with a click. Carefully align and wear the backside board over, and push the boards towards each other squeezing them next to each spacer until it locks with a click.


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Step 13: Knobs

Install the knobs. Some kits contain the D-Shaft sets of pots and knobs. Others contain the round shaft sets. If you have the round shaft set, you need to perform the following procedure. Turn all pots as shown in the picture, then install each knob one at a time, keeping it in the correct position. You may also put the edge of a business card or other object of similar thickness below a knob to make a little gap between the nut and the bottom of a knob to prevent it from scratching.

Once you have finished with knobs you are done building the module! The Alisa Wave Shaper does not need any adjustments and ready to work! Thank you for purchasing an SSSR Labs product and we wish you to have a lot of fun with this module!

SM630, Assembly Manual - SSSR Labs · SM630, Assembly Manual PCB Version 1.0 Page 3 of 14 Step 2:...

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