Technics SX-E33 - Page 18

SYSTEM ASSIGNER CIRCUIT DIAGRAM (SAS)
1
2
3
4
7
CAUTION
When replacing IC4 (ROM) of this circuit, read the “Precautions for servicing” on
Address Data for PKB
For ROM without ae
NOTES:
eIC’S
IC1: SVIG7811G028,
IC2: SVIG65002014
1C3: SV!IG65002017
1C4: SV1IG23128218
IC5: SVIGM512820R
IC6, 13: SVIGTC40H004.
IC7, 12: SVIGM74LS138
IC8: SVIGM74LS32
IC9: SVIGM53216
IC10: SVIGM74LS00
IC11: SVIGM74LS02
IC15~17, 19: SVIGM5218L
(SVIGNJM45588)
* TRANSISTORS
BD (ecas) + Bass Sustain Control! Percussive TG ss ¥S Z
Lower TG = i | 3 T lot : : H
Op (Pa) a TE aT x 2 ’ eee o:32Hz,Chorus 2Hz | CSM ILMF) page I-10, and use a part that makes a pair with tone generator module P.C.B.
U.string
Ensemble
Control
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COMPONENTS
COMBINATIONS
BE
Pe
sN\os
2
oa
Z1,2:
EXBP88472MM
PKB
|
(coma)
=*——
Coma
(I?
)
=
s
Se!
2)
Z3:
EXBP84103MM
3 °
iC6-3
Kd
ZA:
EXBP86103MM
(COM
1)
COMI
(16
)
o—
&
25:
EXATA223S
¢ QUARTZ OSCILLATOR
Decoder
Xt: SVQG43U1200A