Technics SX-PX552 Service Manual page 81

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H
COM
SW1
MAC
PC1
COMPUTER
PC2
MIDI
JK1
CN1
CN8
IC3
IC1
CRXD CTXD
16BIT
MICROCOMPUTER
SOFT,
SODU,
MRXD MTXD
SUST
IC6
4M BIT
PROGRAMMED
ROM
E
MKB1
MAC,PC1,
PC2,MIDI
DATA BUS
IC8
D0 D19
D8 D15
256K BIT
STATIC
RAM
A1 A18
A1 A15
ADDRESS BUS
IC1
DECODER
SWITCHES
&
DIODES
CN2
CN4
KDB0
KF0
A1
A20
D0
D15
IC9
D0 D7
256K BIT
STATIC
RAM
A1 A15
F
MKB2
CN8
CN4
IC2
DECODER
CN9
CN7
SWITCHES & DIODES
IC10
SDOMIX
RXD,TXD,SCKIN,SCKOUT
KDB4
KDB0
KDB4
KF3, KS0
KS3
KF0
KF3, KS0
KS3
TONE
A1
A4
GENERATOR
LSI
D0
D15
IC3
DECODER
D0
D15
D0
D7
A0
A14
A0
A19

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