Roland TR-707 - TR-707;TR-727 Circuit Diagram Details; CPU and Gate Array Circuitry

00
Operation
The
TR-707
has the
following 5
modes.
Pattern Playing Mode
Step Writing
Mode
\
Tap
Writing Mode
/
Track Playing
Mode
Track Writing
Mode
-
Pattern
Writing Modes
1.
GETTING
TO KNOW YOUR COMPOSER
12. CLOSED
-HI-HAT
13. CLOSED-
HI-HAT
14. OPEN
•
HI-HAT
15.
CRASH -CYMBAL
16. RIDE-
CYMBAL
The numbers
1 to 16
represent
the Main Keys to be
used
for
selecting corresponding drum
voices.
The Closed
Hi-hat
12
and
13 are exactly
the
same
sounds.
a.
Manual Play
With the composer
connected
to
the power source,
and
to your amplifier
or
mixer, you are
ready to
try
out a
variety of
sounds
by
playing it manually.
Switch
it
on. A variety
of lights will come on,
but
we'll learn
about
them later. Locate the
Main
Keys
numbered 1 to 16
which have the drum voices
marked underneath.
Simply
tap
each
key:
All voices
have different drum
sounds. Also, if
you
tap the key
with the Accent and/or
Shuffle/Flam
Keys
down,
the
created sound will take
on
accent and/or
Flam.
•
Summary of
controls
Level
Knob
©
This is
to
control
the volume of each drum voice.
Accent Level Knob
©
This knob
controls the
intensity of the accent.
Volume Knob
©
This
is
to
control
overall volume of the rhythm
data.
Tempo Knob
©
Rotating
this knob
quickens the tempo
of the
rhythm data.
It
is
not
possible
to
output the following pairs of
voices at the
same time.
1
and
2
(Bass Drums
1 and 2)
3 and
4 {Snare Drums
1
and
2)
8
and
9 {Rim Shot and Cow
Bell)
10
and
1 1 {Hand Clap and
Tambourine)
12(13)
and
14 (Closed Hi-hat
and
Open Hi-hat)
For
instance, if
you
have
entered the Cow Bel!
in
the
step
where
the Rim Shot
has been already
writ-
ten, the
Rim
Shot will
be automatically
replaced
with the Cow
Bell.
b. Demonstration Program
A
sample program
is stored in
your Composer
on
Tracks
I, II and
III.
You
can hear this
simply
by
pushing the START
Key
®. At the end of
the
Track,
the
Composer will
stop, and
start again from
the beginning if
you again push
the START
Key.
You can vary
the
Tempo
by turning
the
Tempo
knob
@
.
Restoring
the demo program
If
you have
erased the demo
program
but want
to
restore
it, take the following
operation.
Press the Track
Mode
Switch
® and Track
Number
Button
I,
and while still
holding
them down,
switch
the composer
on.
•
Summary of voices
1. BASS- DRUM(1)
2. BASS DRUM 12)
3. SNARE- DRUM
(1)
4. SNARE -DRUM
(2)
5. LOW
•
TOM
6.
MID
-TOM
7. HI
TOM
8. RIM-SHOT
9. COW
•
BELL
10. HAND-
CLAP
11.
TAMBOURINE