Technics SX-PR270 M User Manual

EXTERNAL
MEMORY
DIGITAL
DISK
RECORDER
TERMINALS
HEADPHONE
TERMINALS
x
2,
LINE
OUT,
AUX
IN,
MIDI
(IN,
THRU,
OUT)
OUTPUT
50
W
x
2
SPEAKERS
16
cm
x
2,
6.5
cm
x
2,
MONITOR
SPEAKER
x
2
275 W, 290 VA (CANADA), 195 W (U.S.A. AND MEXICO)
AC120/220/240 V 50/60 Hz
AC120 V. 60 Hz (NORTH AMERICA AND MEXICO)
AC230
V
50/60
Hz
(NEW
ZEALAND
AND
EUROPE
EXCEPT
FOR
UNITED
KINGDOM)
143.3
cm
x
101.7
cm
x
59.3
cm
(56-13/32"
x
40-1/32"x
23-11/32")
-
POWER REQUIREMENT
DIMENSIONS (WxHxD)
NET
WEIGHT
73
kg
(160.9
Ibs.)
ACCESSORIES
STAND,
AC
CORD
*
Specifications
are
suject
to
change
without
notice
for
further
improvement.
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nnn
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EEE
SESE
CONTENTS
a
——
—
m
PARTI
(INTRODUCTION)
AMP
&
POWER
SUPPLY,
SAFETY
PRECAUTION
.........cc00eceeee
cece
eens
1-1
TRANSFORMER
&
FUSE,
HEADPHONE
HOW
TO
ASSEMBLE
THE
PIANO
...........-.0005-
1-2
CIRCUIT:
BOARD
cc
scesskeceijansdeck
rs
hes
bee
1-12
KEYBOARD
RANGES
..........2ccccceeeeeeeeeeees
1-3
AMP
&
POWER
SUPPLY,
PT
ON
Gai
oh
be
pcp
es
orgie
1-3
TRANFORMER
&
FUSE,
ARRANGEMENT
OF
CONTROL
PANEL
........-----
1-4
HEADPHONE
CIRCUIT
DIAGRAM
............----
11-15
BASIC
FUNCTIONS
.........02
000
cece
eee
eee
ees
1-4
CONTROL
PANEL
LEFT
AND
RIGHT
TERMINAUS
oiccene
uieesiiniebLagidenachareiers
1-6
GIRCUIT
BORD
sc.5
scnte
suit
ty
eanonwamonaien
vend
1-18
PARTS
LOCATION
.....-ssceveceseseeeeeeneerenes
1-7
CONTROL
PANEL
LEFT
AND
RIGHT
DISASSEMBLY
INSTRUCTIONS...........--020
20055
1-8
CIRCUIT
DIAGRAM
25250344
tesuc
poke
keversneren
0-21
SYMPTOMS
WHICH
APPEAR
TO
BE
SIGNS
OF
SEQUENCER
CONTROL
CIRCUIT
..........
1-24
TAOUBI
Es
duc0cteena
iv
dbat
baht
aeeaet
anes
L114
FD
CONNECTOR
AND
FD
CONTROL
ERROR
DISPLAY
.........000ccecee
ener
eee
e
eens
1-13
CHACIIT
cdc
vias
Bonesed
etc
oeaee
Res
1-27
ABOUT
THE
SELF-DIAGNOSTIC
FUNCTION
.........
1-14
MANUAL
KEYBOARD
1
AND
MIDI
IMPLEMENTATION
CHART
.....--.--.000220
55
1-16
PCIGUIT.
csicteiks
haa
carne
cteoie
anaes
11-30
PRECAUTIONS
BEFORE
SERVICING
............---
1-18
PART II (SCHEMATIC DIAGRAM)
@ PART III (REPLACEMENT PARTS LIST)
REPLACEMENT PARTS LIST
WIRING
CONNECTION
DIAGRAM
........-----5505-
U-1
(P.C.B.
and
Wiring
Parts)
..........
0000
eee
eee
UL-1
BLOCK
DIAGRAM
........0
0-00
e
sce
e
eee
nent
eens
Ii-3
CABINET
PARTS
LOCATION
...........-.00
200
eee
Ul-7
MAIN
AND
JACK
CIRCUIT
DIAGRAM
.
.
.II-6
REPLACEMENT
PARTS
LIST
MAIN
AND
JACK
CIRCUIT
BOARD
.....
11-9
(Cabinet
and
Chassis
Parts)
.........--6-.eee
cree
I-9
PACKING
<i
Ss
cdris
¢
Lion
nada
2aleratacapraers
ORE
amie
Ul-11
SAFETY
PRECAUTION
(This
“safety
precaution”
is
for
the
U.S.A.
only)
e Safety Precaution
1.
Before
servicing,
unplug
the
power
cord
to
prevent
an
electric
shock.
2.
When
replacing
parts,
use
only
the
manufacturer's
recommended
components
for
safety.
3.
Check
the
condition
of
the
power
cord.
Replace
if
wear
or
damage
is
evident.
4.
After
servicing,
be
sure
to
restore
the
lead
dress,
insulation
barriers,
insulation
papers,
shields,
etc.
5.
Before
returning
the
serviced
equipment
to
the
customer,
be
sure
to
make
the
following
insulation
resistance
test
to
prevent
the
customer
from
being
exposed
to
a
shock
hazard.
¢ Insulation Resistance Test
1.
Unplug
the
power
cord
and
short
the
two
prongs
of
the
plug
with
a
jumper wire.
2. Turn on the power switch.
3.
Measure
the
resistance
value
with
an
ohmmeter
between
the
jumpered
AC
plug
and
each
exposed
metal
cabinet
part,
such
as
Exposed
Screw
heads,
connectors,
control
shafts,
handle
brackets,
etc.
metal
Measurements
should
range
from
4
MQ
to
infinity
for
all
exposed
part
parts.
Ohn meter
Resistance= 4MQta ©
Li-7]

Technics SX-PR270 M Specifications

General

Brand	Technics
Model	SX-PR270 M
Category	Musical Instrument
Language	English