BYOC Armstrong Twin Instructions Manual Download Page 7

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Step 5: Add the transistors. Make sure you line up the rounded side of the transistor with

the rounded side of the layout. Make sure you place the two 2N5088's in their correct

spot. Make sure you place the MPS6523 in the correct place. Make sure ypu place the

two 2N5457's in their correct spot.

Step 6: Add the film capacitors. These are not polarized and can go in the PCB in either

direction.

Summary of Contents for Armstrong Twin

Page 1: ...rong Twin Kit Instructions Parts Checklist page 2 3 Schematic page 4 Populating and mounting the circuit board page 5 13 Wiring Diagram page 14 Finishing up Trouble Shooting page 15 Copyright 2007 B Y...

Page 2: ...brown 1 220k red red black orange brown 1 390k orange white black orange brown 3 470k yellow purple black orange brown 1 560k green blue black orange brown 1 2 2m red red black yellow brown IC 1 4558...

Page 3: ...strong twin circuit board 1 enclosure w 4 screws 1 3PDT footswitch 1 SPDT on off on toggle switch 1 rotary switch 1 Stereo Jack 1 Mono Jack 1 AC Adaptor Jack 1 Battery Snap 2 Knobs 4 Self Adhesive Rub...

Page 4: ......

Page 5: ...es and orange in color The 1N4001 will be black with a silver stripe The 1N34A will most likely be clear with a green stripe Make sure you line up the srtipe on each diode with the stripe on the PCB l...

Page 6: ...ou should match up this notch with the notch on the layout Step 4 Add a 10k trimpot Your trimpot will only have 3 leads The PCB will have more than 3 holes so that it can accomodate a variety of brand...

Page 7: ...ounded side of the layout Make sure you place the two 2N5088 s in their correct spot Make sure you place the MPS6523 in the correct place Make sure ypu place the two 2N5457 s in their correct spot Ste...

Page 8: ...zed The positive lead will be the longer of the two and go into the square solder pad The negative lead will be the shorter of the two and go into the round solder pad The negative side will have a st...

Page 9: ...has the ability to go up to 4 On the front of the switch remove the bolt and first serrated washer There will be a second washer with a notch on it Lift the washer up and place it in the 3 hole The ro...

Page 10: ...Step 9 Add the rotary switch INSERT THE SWITCH TO THE UNDERSIDE OF THE PCB Step 10 Add the jacks footswitch AC adaptor jack and A100k to the enclosure...

Page 11: ...Step 11 Connect the A100K level pot to the PCB Step 12 Insert the LED into the UNDERSIDE of the PCB but do not solder it yet The longest lead should go in the hole...

Page 12: ...t the toggle switch fits into its hole Then push the toggle switch so that it fits into its solder pads on the PCB by grabbing it by the toggle bat that is sticking out of the enclosure and guiding it...

Page 13: ...Once you have the PCB mounted and both the LED Toggle switch and Rotary switch are in place first tighten the nut on the toggle switch and the rotary switch THen solder the toggle switch and LED to t...

Page 14: ...Armstrong Twin Wiring Diagram...

Page 15: ...s a few common mistakes 1 No sound at all in either the bypass or on position If you aren t getting sound in bypass then you did not wire your footswitch correctly Getting the bypass to work is the fi...