Technics SX-PR270 M User Manual

TET
AS
5
6 7
8
9
10
11
12
13
14
CONTROL PANEL LEFT CIRCUIT
ITAL
ECORDER
TROL
CONNEC TOR
+5
WR
FWR
1C24
Transceiver
x
WR
All~ AID
AO vAIG
Icg
256Kbit
Pseudo
Static RAM
x20)
vRi
a
Switches
&
LED’S
MAIN
VOLUME
ee,
ai~a4
=| LED Driver
1c2,1C3
Dota Bus
Dato Bus OBO ~ 087
Ls!
ADO [RAO ~ RAID Address Bus
Generator
fe} m
RAO~RAID
RAO~ RAIS
Tone
WAVE ROM WAVE ROM
C1 6Mbit) C16Mbit)
OTO~ OTIS
RDO~ ROIS. Data Bus
RAO~ RAID
OTO~ OTIS
CONTROL PANEL RIGHT CIRCUIT
LCD CIRCUIT
MUSICAL
DISPLAY
Switches
&
LED'S
RDO~RD4,ROB ~n010 |
WAVE ROM
( 8M bit)
SEQUENCER
CONTROL
CIRCUIT
s!
Power Switch
i
PCI Fi
AC IN
CIRCUIT
PAE
Primary
Circuit
LED Driver
DOO~DOIO, DOI2, DOI4, DOIG
1C2~1C5
0018 ~ DO2I
Doto Bus
FDCN
CNI
AMP
&
POWER
SUPPLY
CIRCUIT
+50
S
(
+57
is}
+5V Switching
Regulator
+15V Regulator
-I5V Regulator
POWER
TRANSFORMER
+5V
= re |
1C27 -15A =
Rectifier
+5V ba)
Address Bus — DAO~ DAT rer Reyalutor z "
(C26 a
- Re rm ee eee
ts} -5V
Sonne cs eo ~50A Regulator
Mrxoq] 8°? Ba
aver]
Sh,
5
$8
ba
Power
ry ter
Keeling
2e°
256K
256K
eee
ae
amplifier
Lc
lz
Dynamic
RAM
Dynamic
RAM
-5A
(Leh)
C027] o 001~ 004 DO1~Da4 - -
oa (=)
0D4
~DD3 Dota Bus fi ~dD7
D1l~D3, C26
Memory 1C8-2, Qi3~QI6
5 Back-up Circuit Power
Equalizing Amplifier
Circuit
(Reh)
cll ICI7 m
IC16 IC1B-1 §
Yl
= ~YT Pp <
yr DATA 1ouT 2 fixing | _ 2 1C9-2 ,QI1,Q12 L——-—-{~——-4J
RD
o
=
eS
[Se aie = Pry 2
J oO
> oa
z 2 4 —
DBO~
087
8
=
Ic18-2
ée
g
Kae =
~MD7 e 7 AMPR| 2 © =
© oo
~YT ges
OUTSLO = zo
~
OUTSL2
AUX
a Lech AUX ;
Amplifier
Reh AUX Amplifier
J
a
SNS
1C10-1,1C10-2,D4,06
Reset
MBES Circuit
Headphones
Power Indicator
a> Tone signal
aaa Control signal
7
SPI
13cm x 6cm,80
=
SP5
6.5¢em,8N
ae
SP3
16cm ,8N
[Td
SP4
16cm, 80
7 SP6
6.5cm, 8N
—
SP2
i3em x 6em,80

Technics SX-PR270 M Specifications

General

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