Technics SX-PR100 Service Manual

BLOCK DIAGRAM
1
2
3
4
5
6
7
8
9
10
MANUAL KEYBOARD CIRCUIT
—— MAIS NOt. POWER INDICATOR
Switches & LED'S
Gate Array Switches @& LED'S
-
Fee toe oye fg tee ee ee om, om 71
| SY-FD3
A DIG oa ot . Switches
fonda nl 3
' p ee =
SSS SSS SSS ie oe Att
| DBO~
FD | EERE,
CONECTOR [ae CONTROL PANEL LEFT CIRCUIT CPR CONTROL PANEL RIGHT CIRCUIT
|
|
|
QE cL. & FUSE
080 ~ 087 ikea
Data Bus (080 ~0B7) J
—— oxo SEF SS) _
nae Gate Arr
a
ae
TI
O07
CN
|
CPAO
ay
ee
ee ||| sles
CN6 CNIS uw!
TEMPO CONTROL
MEMORY CARD
CNS
z
5
pea
| Current |
é Limiter is
ENE MAIN ciRCUIT
C
LMVO, RMVO
Tempo Control LMVI, RMVI
| [080 ~ 087
AO~ Al4
9
080~ 087
RXD, EOB
SCK, TXD
Ic2i-1
1€ 22,27
1C20,IC2I-I 1C 29~36 IC45 IC49-1 1C55-1
D/A Converter
Octo Bus
LSI.
R/L TONE
ROPO ~7, WRPO~7
J
=
22
WAVE ROM
Th
Tone Generator
Address(AO ~Al8)
(SUB CPU)
Phase
Inverter
Analog Buffer Memory
INTI
1C37~44
PBO
PB?
Microcomputer
|
Gate Array
(Main CPU)
~PD
R/L TONE Low-Frequency Clock
E
Dera
(DO~
O15)
oe
Oscillator
Generator
‘ACCOMP
1c25
1C26-1
1C26-2
1C27,Z8
IC 47
Low - Pass
Filter
Low - Pass
Filter
Microcomputer
Generator LSI.
D/A Converter
Tone
RHYTHM
(36h)
(16K bit)
AB~AIG
Ic7 ics
WR wR RAM RAM WR
(16 K bit) (64Kbit)
Ri RO
Analog Buffer Memory
V
MIDI (6 o
THRU 2 4 9,
|
Il-3 Il-4

Technics SX-PR100 Specifications

General

Brand	Technics
Model	SX-PR100
Category	Musical Instrument
Language	English