ARP 1601 Manual de serviço - Página 12

Procurar online ou descarregar pdf Manual de serviço para Equipamento de gravação ARP 1601. ARP 1601 15 páginas.
Também para ARP 1601: Manual de serviço (15 páginas)

Imprimir página
5.2
Power Supply
REF.
R5
R11
TRIMMER
+5
VOLT
SET
-15
VOLT
SET
TRIM
PROCEDURE
1.
Monitor
the
power
supply's
+15
volt
output with
a
digital
voltmeter.
2.
Adjust
R5
for
exactly +1 5.00
volts.
1.
Set
R5
(+15
volts)
first.
2.
Put
the
digital
voltmeter's
ground
lead
on
the
power
supply's -15
volt
output
and
put
the meter's
plus lead
on
the
power
supply's
ground
output.
3.
Adjust R1
1
for
exactly
+15.00
volts (reversed polarity).
SECTION
6
ASSEMBLY/DISASSEMBLY
5"
?
tf
•3
1.
To
Prevent
shock
when
trouble shooting,
unplug
the
sequencer and
mount
the
power
supply
on
the
outside
rear
panel
(see
above
illustration).
2.
To
remove
the
main
printed
circuit
board,
remove
11 bolts (illustrated
above),
remove
all
slider
knobs
on
the front
panel,
and
gently
push
on
the
shafts
of
the
sliders until
the
board pops
loose.
3.
To
remove
the lower jack
board assembly,
remove
the jack nuts
on
the lower front
panel.
Then
pull
the
bottom
of
the
power
switch out
so that
the jack
board
clears
the
power
switch
(see illustration to
right).
11