SYNTHESIS TECHNOLOGY
PAGE 10
MOTM-510 ASSEMBLY 7/11/04
WWW.SYNTHTECH.COM
If you discover, with panic, that you soldered the socket in upside down, then
DON’T
try to unsolder it
. The IC will still go in fine. But no Dr. Pepper for you!
Now, using the utmost caution,
carefully insert U4 into the socket with Pin 1
across from C16,
where oddly enough I provided this rather large ‘1’ symbol. If you see
that Pin 1 is across from the ‘JP2’ lettering, this, in technical terms, is called “bass
ackwards” or “upside down” or even “about to cost you $55”. You can remove U4 with a
small, flat-bladed screwdriver, prying up under the IC body. Pry the IC a little at a
time, alternating end-to-end (else there is a great chance you will bend the pins).
GENTLY BUT FIRMLY press U4 down in the socket. The IC ‘body’ will NOT touch the
top of the socket. This is because the pins are ‘flared’ at the top, where the pins extend
out from the ceramic body. You may even hear a small ‘click’ as the IC seats in the
socket.
YOU ARE NOW FINISHED WITH THE PC BOARD WORK! BREAK TIME.
PART #7: FRONT PANEL PREPARATION
You will now attach components to the front panel. It is HIGHLY recommended that you use a
set of hollow shaft nut drivers, NOT PLIERS, to tighten the nuts. This prevents scratching.
NOTE: all references to part orientation is from the REAR of the panel.
Locate the 8 Switchcraft jacks. Notice that from the rear, there is a beveled corner.
This corner is ALWAYS CONNECTED TO GROUND, WITH A BRAIDED
CONDUCTOR. Each jack has a flat washer, a lockwasher, and a ½” hex nut. Remove
the nuts and washers from each jack. Place aside. Keep the lockwasher on the jacks.
Insert the 8 jacks/lockwashers, with the beveled corner in the
upper right
corner, into
the 8 holes. Place the flat washer on the jack, then the hex nut. Hold the jack with one
hand on the backside, keeping it ‘square’. Tighten the hex nut with a nut driver. NOTE:
when tight, not much of the exposed threads of the jack are exposed.
Remember those resistor lead scraps you have been saving? They solder on the OFFSET
X, OFFSET Y and OFFSET Z jacks. Solder the scrap in between the TOP and the
BEVELED lugs. Be sure to leave enough space on the beveled lug to attach the coax braid
(just solder the TOP lug for now).
Locate the 3 blue Bourns 100K pots. These are for the X IN, Y IN and Z IN panel holes.
The pots have a lockwasher that is
behind
the panel, and a flat washer is on the front
side of the panel. Secure the pots to the panel, with the 3 leads pointing “down”, towards
the jacks. A ½” nut driver is preferred to tighten the panel nut.
Now comes a tricky part. The rotary switch assembly goes into the
ROOT/UNITY/POWER hole, but it has to be tightened in a specific orientation. If you
look at the rear of the switch, you will see tiny numbers under each lug. In between the
‘7’ and the ‘8’ lugs, you will see a black “support latch”. This black piece, that is in
between the ‘7’ and ‘8’ lugs, must be “straight up” (at the 12 o’clock position) which on
Summary of Contents for MOTM-510 The WaveWarper
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