Boss DR-110 Installation Manual
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Also See for DR-110:
- Owner's manual (58 pages) ,
- Owner's manual (29 pages) ,
- Service notes (6 pages)
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Unipulse Installation for Boss DR-110
The kit includes:
- modified Unipulse 606 pcb
- 3,5mm TRS jack and nut (optional 5pin DIN jack and mounting hardware)
- 2 slide switches
- 4 M2 screws for the slide switches
- 1N4148 diode
Introduction
Installation of Unipulse in a Boss DR-110 requires some serious case cutting work. Please be
careful, although the plastic material is quite soft it is quite easy to break.
All measurements given in this manual are in mm. Please check the positions before you start
cutting, especially Switch 2 (BD kill switch) can easily interfere with the Unipulse board, so use
common sense and check if there is enough space for the switch to fit.
In case you don't want a TRS jack but a standard 5pin DIN jack as MIDI jack please tell us when
ordering. There is a picture how this can be accomplished, but no further details are given, so you
have to figure this out yourself.
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Summary of Contents for Boss DR-110
- Page 1 - 1N4148 diode Introduction Installation of Unipulse in a Boss DR-110 requires some serious case cutting work. Please be careful, although the plastic material is quite soft it is quite easy to break. All measurements given in this manual are in mm. Please check the positions before you start cutting, especially Switch 2 (BD kill switch) can easily interfere with the Unipulse board, so use common sense and check if there is enough space for the switch to fit.
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Page 2: Operation
Operation Two slide switches need to be installed. One for the clock selection, one for the bassdrum trigger selection. It is nessesary to install a slide switch to be able to switch the bassdrum between the internal trigger and the MIDI trigger. That leads to the following modes of operation: Standalone (internal sequencer, no MIDI) - both slide switches to the left... - Page 3 Case cutouts You need to drill one hole for the TRS jack and cut two rectangular openings for the switches. After you cut out the openings for the switches take the switch, place it in the cut out from the outside and mark the holes for the mounting screws.
- Page 4 Trigger points...
- Page 6 All designators are marked on the backside of the Unipulse board. Board placement: Make sure that Unipulse doesn’t interfere with switch 2. Double and triple check placement of both. Use double-sided tape to glue Unipulse to the upper board of the DR-110 as shown.
- Page 7 Power connection and BD trigger: Connect the 5V and 15V wires to the wire jumper shown. It’s easier to solder wires to the jumper than to the leg of the capacitor. Lift the leg of R68 pointing upwards in direction of the ribbon wire. Solder a wire to the place where the lifted leg of the resistor was located.
- Page 8 Accent: Solder the CV wire from Unipulse to the anode of the provided diode. Solder the cathode side of the diode to R94. Clock: Solder the clock wire from Unipulse to R26. Cover switch 2 with a piece of insulating tape to prevent short circuits with the Unipulse board.
- Page 9 GND and voice triggers: Connect the GND wire from Unipulse to the jumper between C6 and C7 as shown in the picture. Connect P3, P7, P8 and P9 to the points shown in the picture, refer to the schematics for exact placement.
- Page 10 Start/Stop: Connect P4 und P13 from Unipulse to the points shown in the picture (upper PCB of the DR-110) That’s it. Now you need to put it all back together. It’s a tight fit, but if you took care while placing the board and switch 2 it should work out smoothly.