Technics SX-KN901

BLOCK Diagram
—— => Tone Signal
LCD Display
eo If
VV
+5V -5V
DO~D15
4Mbit
Programmed
ROM
AO~A17
——» Control Signal
MKB
| |
&
Digital
Disk
Drive Unit
Digital
Do~b7 Disk
Controller
Address Bus A0~A20
Data Bus
DO~D15 DO~D7
16Mbit 256Kbit
Pseudo
Programmed Static
RAM
AO~A14
Micro Computer
> .5V 1
Switches
BDO~BD7
KFO~KF3
KSO~KS3
DO~Di5 DO~D15
DO~DI5
1C11
DO-D15
16Mbit
Wave
ROM
AO~A19
deal
CN6 CN5
Tone Generator — spo fame
Data Bus
AQ~A19
DO~D7
256Kbit
Pseudo
Static
RAM
A0~A14
Address Bus
Micro
Computer
AD1 ADO
+5V
CN1
SEGO~SEG14
SW0~SW7
CMOQ~CM2
FAJ
I
Q1~8
LED Driver BY
I
MAIN VOLUME
IC7
+5V Regulator
Switches
St
Power Swite
Qi
JK1
6°
o, {MIDI THRU
°
Oo MIDI IN
a MIDI OUT
| _{] Foot switcH
[] EXP PEDAL
5
/> racers JK10
=] [J HEAD PHONE
HEAD PHONE
Amplifier
beeen] KB {] LINE OUT L
m{_JK9 [] LINE OUTR
S 6
| | SP1 °
D/A Power Neeru
a } Converter oe Ke Amplifier
VK] D>-5v : |
+5V<}
i> +5V
Condence
Equalizing
CNE |
SP2
120m,4 Q