PEDAL FLANGER (MUTRON)
¾
CALIBRATION
PROCEDURES
CLOCK
1.
Set
RATE,
FEEDBACK,
START
controls
fully
CCW.
STOP
control
fully
CW.
2.
Connect
frequency
counter
to
TP1
(clock
test
point).
3.
Adjust
TR5
for
a
frequency
of
*50KHz.
4.
Set
RATE,
FEEDBACK,
STOP
controls
fully
CCW.
START
control
fully
CW.
5.
Adjust
TR6
for
approximately
700KHz
~
800KHz.
6.
Engage
effect
switch.
(SW1)
7.
Check
frequency
sweep
from
50KHz
to
approximately
700KHz
~
800KHz.
BIAS
1.
Set
RATE,
FEEDBACK,
START,
STOP
controls
fully
CCW.
2.
Connect
1.25V
to
2.5V
400Hz
sinewave
to
TP3
(input).
3.
Connect
oscilloscope
to
TP2.
(BBD
output)
4.
Adjust
TR1
for
best,
unclipped
symmetrical
waveform.
(See
fig.
1)
BBD
BALANCE
1.
Set
RATE,
FEEDBACK,
START,
STOP
controls
fully
CCW.
2.
Connect
oscilloscope
to
TP2.
(BBD
output)
3.
Adjust
TR2
for
best
balanced
waveform.
(See
fig.
2
‐
3)
BBD
OUTPUT
LEVEL
1.
Set
MANUAL
&
WIDTH
controls
fully
CCW
and
REGEN
control
fully
CW.
2.
Connect
guitar
into
input
jack.
3.
Connect
output
jack
to
amplifier.
4.
Adjust
TR3
(BBD
output
level)
to
where
level
is
at
unity
or
slightly
above
when
effect
is
engaged
compared
to
bypassed
signal.
Summary of Contents for Pedal Flanger 3007
Page 5: ......
Page 6: ......
Page 7: ......
Page 8: ...PEDAL FLANGER MUTRON Main Board Overlay...
Page 10: ...5 32 in 6 50 in 134 5mm 164 7mm...
Page 11: ...111 6mm 4 41 in 3 54 in 89 9mm...
Page 18: ...4 5 6 1 2 3 9 8 7 4 5 6 1 2 3 SW2 SW1 PEDAL FLANGER MUTRON OFF BOARD WIRING LEGEND...
Page 34: ...Feedback Rate Start Stop Pedal Flanger 3007 Input Output Effect Pedal 12vac 18vdc...