Roland RD-500 - Page 11

Feb,
1994
RD-500
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LED16
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Q_ ija
LED 13
LED 19
SW10
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00
SW13
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iS
SW16
fflj
LEDll
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1%
LED14
®5!
!
%
lED17
%!
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,
JP17
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JP12
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SW20
2|
5,1
m
LED21
^5
LED6
LED30
SW18
View
from component
side
Fig.15/'[H15
7
hLED(7)^^7^^'[lIl6(0
J:
"r
y
(MONO)
y°
y
i
t
.
led;6^7^'
‘klLti-0
9.
Equalizer
Check
The
state of the
7-SEG
LED is
as shown
in Fig. 15)
Sweeping
sound will
be heard
from
the
speaker. Adjust
LOW,
MID
and HIGH sliders
of
EQUALIZER
and verify
that
the
corresponding
frequency
components are
boosted
and cut.
Press
INC to proceed
to the
next
test.
9.
T
3
~7
T
—
i~ji.yy
7
yy
hLED<7)^^;6^'[l]l5CO
i
f)
^
:l
y
y
7
%
(oy
y
A
-y°\m^if.
y
“To
EQUALIZER
LOW,
MID, HIGH^0#y^
y
^
9'
-
LT.
vtfzltijy
F
$
4-#ELTT$v^o
10.
Hold
Switch Check
The
state of the
7-SEG
LED is
as shown in Fig.
16. Insert
an
open plug
(mono) into
a socket shown
below and
check
that the
corresponding
LED
is on. Pull
out the plug
and verify
that the
lighting LED
turns
off. Repeat
the step
for the remaining
sockets.
Pedal
LED
INT+TX
->
CHORUS
TX
->
REVERB
DAMPER
->
EQUALIZER
SWITCH-B
BOARD
ASS'Y
ASSY
70231956
(pwb
00340189)
Fig.16/IHl6
LED
INT+TX
->
CHORUS
TX
->
REVERB
DAMPER
->
EQUALIZER
11