Technics SX-KN6500 - Block Diagram Overview

WD0-WD15
WAY0-WAY21
64M BIT
MASK ROM
64M BIT
MASK ROM
64M BIT
MASK ROM
64M BIT
MASK ROM
IC205 IC207
IC206 IC208
WD0-WD15
WAY0-WAY21
WD0-WD15
WAX0-WAX21
CUSTOM
RHYTHM
FLASH
MEMORY
A1-A21 A1-A20A2-A21A2-A13
SRAM
PROGRAMMED
FLASH MEMORY
A2-A13
D16-D31 D16-D31
DRAM
DA0-DA7
D-FLIP FLOP
D16-D31D16-D23
DA0-DA9,DA13
SDRAM
4M BIT
DRAM
DD16-DD31
A1-A3
FLOPPY
DISC
CONTROLLER
DD0-DD15
BUS
TRANSCEIVER
D0-D15 D0-D15 D0-D15
D16-D23
A0-A21
COLOR LCD
CONTROLLER
D16-D31 MD0-MD15 MD0-MD15
MA0-MA11 MA0-MA11
BUS
TRANSCEIVER
D16-D23
D16-D23
PROGRAMMED
MASK ROM
RHYTHM
DATA ROM
WD0-WD15
WAX0-WAX21
ADDRESS BUS
LCD
CN2 CN3
CN1
CN34
CN33
CN8
CN2
CN102
+5D
IP4
CN4
CN7
CN103
FLOPPY
DISC
DRIVE
LCD BACK
LIGHT
ADDRESS BUS
ADDRESS BUS
ADDRESS BUS
DATA BUS
HDD
HARD
DISC
DRIVE
CN105
TRANSFORMER
FROM CN31(15)
V-COM
T1
Q1,2
DATA BUS
Tone Signal Control Signal
MAINA
FAJ(2/2)
B
CNB(2/2)
H
INV
K
IC9 IC10 IC13 IC14
IC106
IC108 IC110 IC302 IC305
IC301,
IC303
IC101
DRAM
A2-A21
D16-D31 D16-D31
IC11
PROGRAMMED
FLASH MEMORY
A2-A21
IC12 IC15
D16-D31
IC18
A1-A17
D16-D31
IC20
A2-A21
PROGRAMMED
MASK ROM
LCDFDD
64M BIT
MASK ROM
IC209
WD0-WD15
WAY0-WAY21
64M BIT
MASK ROM
IC210
WD0-WD15
WAX0-WAX21