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Technics SX-PR270 M User Manual

Technics SX-PR270 M
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Page #14 background image
TEST
MODE
Procedure
Wave
ROM
(IC20,
21,
22)
|
1.
While
pressing
two
E
keys
simultaneously,
turn
on
the
power
check
switch.
2.
Select
the
GRAND
PIANO
sound.
|
When
set
to
the
self-diagnostic
mode,
the
Wave
eThe
key
number
indicates
the
Wave
ROM
ROM
outputs
a
sine
wave.
The
Wave
ROMs
number
correspond
to
the
keyboard
keys
as
shown
in
the
(ROM
1:
IC20,
ROM
2:
IC21,
ROM
3:
IC22).
diagram
to
the
right.
When
a
key
is
pressed,
the
corresponding
sine
wave
sound
is
produced.
If
no
sound
is
produced,
or
if
the
sound
is
distorted,
the
Wave
ROM
corresponding
to
that
key
is
defective.
CPL,
CPR
CPSQ
LED
&
SW
check
14.
On
the
control
panel,
set
ail
the
sliding
BALANCE
controls
to
OFF.
2.
While
pressing
two
F
keys
simultaneously,
turn
on
the
power
°°
ATTN
TTTT
F
keys
All
the
LEDs
turn
off
after
lighting
once.
Confirm
that
ail
the
LEDs
light.
LCD
Display
check
While
pressing
two
G
keys
simultaneously,
turn
on
the
power
switch.
UR
A
AL
G
keys
The
test
pattern
for
the
LCD
character
display
is
shown.
There
are
4
different
test
patterns,
which
are
selected
with
the
TRANSPOSE
buttons.
Only
the
first
display
of
the
test
pattern
display
differs,
as
shown
at
right.
Confirm
that
the
characters
appear
correctly.
Pattern
1
Pattern
3
eee
s.r.
eo
|
dJ><ii]
O@J><il]
[
Pattern
2
Pattern
4
J
DPRRs
OP
ABID
DSR,
>
AE
1Ha.
Jd
Per
JRBRB.
I
Pet
Keyboard
ROM
(IC2)
check
While
pressing
two
B
keys
simultaneously,
turn
on
the
power
switch.
If
the
keyboard
ROM
(IC2)
is
OK,
one
confirming
beep
will
sound.
If
it
is
defective,
several
consecutive
error
beeps
will
sound.
eH
Sh
fan
a
EE
Fa
EES
2
a
za
oe
:
;
1
co
Tis
afjala
3
a
&
st
Tiere
Be
ols]
Etre
sai
ats
ies
:
2]
8]
212
ec39
A
RT
JR
air
3
2
Z|
Fs
Are.
ro
'
9
o

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Technics SX-PR270 M Specifications

General IconGeneral
BrandTechnics
ModelSX-PR270 M
CategoryMusical Instrument
LanguageEnglish

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