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Technics SX-PR700

Technics SX-PR700
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TEST
MODE
LCD
Wave
ROM
check
Press
and
hold
the
two
E
keys
shown
below,
and
then
turn
on
the
power
-
TITTY
t___t
When
set
to
the
self-diagnostic
mode,
the
Wave
ROM
outputs
a
sine
wave.
The
Wave
ROMs
correspond
to
the
keyboard
keys
as
shown
in
the
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.
¢
The
key
number
indicates
the
Wave
ROM
number.
(I-@:1C18,
I-@:1C22)
Control
Panel
LED
check
Press
and
hold
the
two
F
keys
shown
below,
and
then
turn
on
the
power
|
WAIST
Ad
ies
F
keys
Press
the
buttons
on
the
control
panel
and
confirm
that
the
corresponding
LEDs
light.
LCD
check
Press
and
hold
the
two
G
keys
shown
below,
and
then
turn
on
the
ETAT
tf
G
keys
When
set
to
the
self-diagnostic
mode,
the
test
pattern
is
shown
on the
display.
Monitor
the
display
to
confirm
that
the
characters
appear
correctly.
@
Connection
between
serving
CHECKING
DEVICE
and
MAIN
P.C.B.
rant
Ley
—Y-
t
(wm)
CHECKING
DEVICE
#
—
|ciRCUIT

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