Sound Skulptor EQ573-II Page 4 Assembly Manual Download | Manualshive

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Document revision 1.1 – Last modification : 27/05/21

EQ573-II Assembly guide – Main board

9. Test pins

Solder the 7 test pins TP1, TP2, TP3, TP4, 0V, V+, V-.

10. Tantalum capacitors

Add C61, C69. The plus lead is the longest.

Warning

: The +lead must go into the +hole. Do not reverse !

11. Transistors

Add Q1 to Q6.

Warning

: Watch out the transistor direction.

12. Non polarized electrolytic capacitors

Add C9, C10, C11, C12.
These caps are not polarized and can be inserted in any direction.

Copyright ©2020 to today SoundSkulptor

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Summary of Contents for EQ573-II

Page 1: ... and it is pressing nicely against the work area foam Soldering All the PCB holes are metallized It means the connection between the top and bottom pads is already done The parts must be soldered only from below unless differently stated Use only small diameter solder 0 5 or 0 7 mm 1mm maximum Use the minimum possible amount of solder Bad joints are almost always caused by too much solder Cut the ...

Page 2: ...e closest value 4 Check the color code and quantity for confirmation 5 Use the search function on the Layout PDF page with the resistor value All the corresponding resistors are highlighted 6 Insert and solder You can use the same method later for the capacitors Add all the resistors of the main PCB black identifier in the parts list Control the resistor values with a digital multimeter Bend the l...

Page 3: ...lder the two 8 pins socket Warning Make sure to respect the socket direction marked by a notch 7 Relay Add RLY1 and RLY2 Warning Make sure to respect the direction of the relays which is marked by a white line on the component and on the PCB marking 8 Film capacitors Add the film capacitors of the main PCB black identifier in the parts list Copyright 2020 to today SoundSkulptor ...

Page 4: ...0V V V 10 Tantalum capacitors Add C61 C69 The plus lead is the longest Warning The lead must go into the hole Do not reverse 11 Transistors Add Q1 to Q6 Warning Watch out the transistor direction 12 Non polarized electrolytic capacitors Add C9 C10 C11 C12 These caps are not polarized and can be inserted in any direction Copyright 2020 to today SoundSkulptor ...

Page 5: ...e hole Do not reverse they may explode 14 Link Connector J2 Solder the connector header J2 Solder one pin first check verticality then solder the other pins Warning Check the direction 15 Inductors Solder L1 and L2 16 U1 U2 Insert the two integrated circuits U1and U2 into their respective sockets Warning these two parts are different and have a direction identified by a notch or a dot Copyright 20...

Page 6: ...CB These parts are all the same but have a direction Warning Check the direction which is identified by a dot on the part and on the PCB 19 Film capacitors Add the film capacitors of the switch PCB blue identifier in the parts list 20 Resistors All the resistors are inserted vertically Add the resistors of the switch PCB blue identifier in the parts list 21 Push switches Insert the push switch SW5...

Page 7: ...t in SW1 Next add SW3 and SW4 15mm shaft Warning Do not mix the 20mm and 15mm shaft rotary switches 24 Toggle switches Add the toggle switch SW2 Warning The position of the switches is critical for a good front plate matching It must sit flat on the PCB Press firmly the switch on the PCB and solder two opposite pins housing Check position then solder the other pins 25 Connectors J3b J4b J5b J6b So...

Page 8: ...nents side then solder Add P2 47KA in the same way 29 2x5 pins connector J7a Insert and solder 2x5 pins header Warning Make sure to sit them perfectly flat on the PCB for a good position match with the switches board 30 Shaft adapters Insert the three shaft adapters on the three potentiometers Attach with three headless screws EQ573 Assembly guide Final assembly 31 Switch board and potentiometer b...

Page 9: ...nti clockwise Place the three 19 mm red knobs on the three top switches lining up the white lines to the off labels Tighten very gently the screws with the supplied 1 5mm hex key Warning To not tighten too hard in order not to warp the switch shaft 36 12 7mm buttons Set all the potentiometers to 12 o clock You must feel the centre click in this position Insert the three 12 7mm black knobs into the...

Page 10: ... EQ573 Assembly guide Link cable assembly for connecting to MP573 39 Cable striping Split the 2 sections of the wire on a length of 2 5cm Strip 1 5cm of each section Merge the shield wires from the 2 sections and twist red in the middle Strip red and yellow wires on 2mm Copyright 2020 to today SoundSkulptor ...

Page 11: ... tin the wire tips and solder a contact to each wire 41 Plug insertion Insert 2cm of heat shrink tube on the wire Insert the plug on the 3 contacts taking care to respect the colour positions 42 Second connector Repeat the same operations identically at the other end of the cable 43 Tube shinking If you own a hot air gun quickly blow some hot air on the two tubes to make them shrink Copyright 2020...

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