Roland TB-303 - BASIC COURSE; 1 CONNECTIONS AND INITIAL SETTINGS; A. CONNECTIONS

Feb.19,1982
TB^303
vco
Check
point:
Q28
source
or
Si WAVE*
FORM
terminal
Set
TUNE in
its
middle
position.
With
PITCH
mode.
While
tappirrg
CL and
CH
keys
altcfnately,
adjust TM5
WIDTH
for
2:1
waveforms:
WIPTH
Press
A
key ar>d
adjust
TM4
for
1
10Hz.
Confirm
4:1t0.5%
with
CL
and
CH
+
TRANSPOSE
UP.
View
from
foil side
VCF
Check
point:
TP
6
Panel
settings:
CUTOFF
FREQ:
center
WAVEFORM
:
SAWTHOOTH
RES
:
FuiJ
dockvwse
ENV
MOD,
DECAY,
ACC : Full
counterclockwise
Afdjust
TM3
for
2
i
0-Swt$
PRELtMINAftY
DIAGNOSIS
BATTERY
First
check
the
DC
voltage.
Most
users
are
not
so
familiar
with
battery
operated
equipment
as
to
suspect
aged
dry cells
in
the
malfunctioning
(silent)
TB*303
when
LEDs
other
than
RUN/BATTERY
are
lit
up.
MISOPERATIQN
The
versatile
TB-303
inevitably
needs
to
be
manipulated
according
to
what
is
InsirvcTed
in
the TB-303
Owner's
manual.
Symptoms
listed
below
arc likely
to
be found
(by
the
user)
in
a
unit
which
will
be
returned
for
servicing,
as an
evidence
of
defect.
Confirm
the
operation
following
to
the
steps
described in
the
manual
-
on
the
pagefs)
referenced.
“
Patte^
(especially
note
value)
are
not
reproduced
as
they
should
be,
"
g]
TO
WRITE
YOUR
OWN
BASS
LINE"
PP.
49^
•
Incorrect
PATTERN
selection
"I
MPORTANT
NOTES"
3
*
The
LED
above
the
selected
PATTERN
switch
does
not flush
Setting
the
STEP
number"
p
53
"b. WRITING
A
BASS
PATTERN
IN
3/4"
PP,
55-57
TRACK
fails
to store
data
being
written
Into
it.
•
Phrases
do
not
repeat
in
order
in
TRACK
PLAY
mode.
"SELECTING
THE
TRACK"
pp. 23-32
"B.
TO WRITE
YOUR
OWN
BASS
LINE"
PP.
64-6B
•
Melody
does
not
run
at
the
begjr^ning
of the
1st measure in
TRACK
PLAY
mode.
"
3j
i-ET'S
play
the
track
'
PP.
31-32
0
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