JVC MX-K6 Service Manual page 39

2.Block diagram
Base Timer
SIO0
SIO1
Timer 0
Timer 1
ADC
INT0-3
Noise Filt er
SIO Automatic
transmission
RAM
128 by tes
VFD
Controller
High voltage Output
Interrupt Control
Standby Control
CF
RC
X'tal
Bus Interface
Port 1
Port 3
Port 7
Port 8
IR PLA
A15-A0
D7-D0
PROM
TA
Control
CE
OE
DASEC
PROM(48KB)
PC
ACC
B Register
C Register
ALU
PSW
RAR
RAM
Stack Poi nter
Port 0
Watchdog Timer
MX-K5/MX-K6