Technics SX-PR700 - Page 21

BLOCK Diagram
—< Tone Signal —— +> Control Signal
LINV CPR | CPL
Q7-9
LED SWITCHES &
DRIVER LEDS BUFFER
ps =e
CM0O~CM5 SWO0~SW7
pata 8 BIT MICROCOMPUTER
SWITEHES & be BUFFER] = *8Y RHYTHM
ae
FLOPPY
DISK
jSEGO SECS CM0~CM5 SEG6~SEG8 ADO fee
Cr ROTB ~~ pata. ~—« 8 BIT MICROCOMPUTER AD3
CN1
ADDRESS BUS ADDRESS BUS
DIGITAL v8
SIGNAL
PROCESSOR
DO1
FLOPPY DISK Cc
CONTROLLER CONTROLLER
MRXD
MTXD
DOo~
07
SUST,
SOFT, DO2
SOSU RXD,
D0~D7 AO~A14
SDOREV
SDICHO
Do-~
Cee 3) 015
DATA BUS
a
¢ ADDRESS BUS >
DATA BUS
DATA BUS
ADDRESS BUS
II-3 i-4