Roland TB-303 - D. COMPLETING THE BASS LINE; E. CREATING A SOUND; F. HOW TO USE THIS MANUAL

TB-303
Feb.19,1982
ADJUSTMENT
Adjustments
should
be
done
from the
component
side.
Use digiui
voltmeter
or
oscilloscope,
as
appropriate.
TEMPO
Check
point:
TPl
Turn
TEMPO fuH
clockw
ise.
Adjust TM1
for:
p
| |
1*^
H
INT
CLOCK
Check
point: TP2
Adjust
TM2
for:
T~ir
k
H
CAUTION;
The
following adjustmenu
will be
done in
PATTERN
WRITE
fpode.
If
existing rhythm
pattarm
OMC to
be
restored, locate
a
PATTERN
that
contains
no
fhy^ms
or the
easiest
ones
)0 copy
arnl
write
it down.
cv
Check
point:
CV
out
jack
With PITCH
mode,
press
low C key ar>d
note the reading
^
CVL.
Press
high
C key,
adjust
TM6
for
CVL+
1.000V±3mV
-
CVM.
While
holding
down
TRANSPOSE
UP,
press high
C key.
confirm
that
the
reading
isCVM4l.000t3mV,
View from component
side
MAIN
BOARD
OP3127-050
(7312705010)
(pcb 291-502C)
^
4
SWITCH BOARD
OP3127-040
(7312704010)
(pcb 291-503C)
4 02