Technics SX-E33 - Page 29

5
a
a
a
ee
BASS
&
DRUM
PERCUSSION
CIRCUIT
DIAGRAM
(BD)
|
|
1
2 3
Sustain Control
SAS (ECBS) —+ ECBS (13) O=>
TG
(mMToI)—~MTOI
(51)
©
rc
B Bass 16’
(I6BC)—- 16BC (49) O-E==>
Boss 8?
(8BC)-—» 8BC (48) O-==>
SM
Electric Bass
{EBC)--—= EBC (47)
Bass Note Signal
4
5.
6
7
gS
9
NOTES:
eic’s * TRANSISTORS
ICt:
SVIGTC40H393
Q1n4,7:
28C2320LFG
+5
eet
iC2:
SVIGMSM4011
Q5,
6:
2SA1015GR
Key
ON
gy
Envelope
eee
1C3,
4:
Svicueo
mete
*
DIODES
4]
8
ass
8,
7
IC5,
6,10:
SVIGM5218L
:
\
{7
ic3
sobbvslope
Cate.
Bm
tevel,
Gentes)
oss
Bass
8°
I6’
Tone
Filter
(SVIGNJM45588)
BS
eae
3
Ic6-2
1C7,
11:
SVIGBAG110
|
©
IC8:
SVIGTC40H374
|
8
a
IC9:
AN6913
i
=
1012,
13:
SVIGTC4050BP
1
Abb
yuan
»
iC14:
SVIGNJM082D
_ | R25 68K 5 :
So roy
8
|
18
RIS 4.7K R20 47K
al 8
R39 470K
aE
jOmsec
Electric Bass
Key Down
Bass 16,8’ Key Down ———-»|
087 (68) OCE=>
D
DB6
(67)
OE
DBS (66) Of==>
Latch
SAS DB4 (65) Ce==>
(DBO ~ DB7) >
083 (64) O&=>
082 (63) O==>
ob (62)
ob0(61) Oo
SAS
(A24)
—m
424(58)
O-===>
(RNDO) ~—= RNDO (53) 0
Noise
——» RND2 (54) ©
TG (RND2) ‘
Clock IMHz
(CK) ~~~ CK (44)
©
oa
R41 22K Bass Voiume Control a) O PVCV (12) SAS
(Pvcyv)
R40 10K
R24 22K
R38 10K
O14
| aa ener aa anee raceme
=x
Electric Bass Tone Filter c 8
ic5-2 0, .
3 g :
>) I
8s 38 cla
R27 47K 3 3
R2s-a7K R29 47K|
Electric Bass
Envelope Circuit
Kt
clo 0.001
RQ 100K
' ; Noise Signal Gate
Hi-Hat Envelope Circuit +15
R42 82K R43 33K
Q3
R47 220K
Cymbals Rhythm Pattern
Cymbals Envelope Circuit
ou R54 220K
Hi-Hat Open
R77 22K
ORVCV(II) =——SAS
C(RVCV)
Hi-Hat Rhythm Pattern
R45 4.7K ov
Noise & Drum Mixing Amp
eCi5 ISOP = R64 6.8K R68 100K
R44 2.2K 06
Bass & Rhythm Mixing Amp
_ R8O 100K
eCi6 100P RES 47K
cl4 50VI
Hi-Hat Accent
R66 22K R67 180K
R73 ISOK
R69 27K
OBDO (4) —»SM
Q4
cl8 0.001
8
rar)
8
2
(8D0)
g
&
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ind
st
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8x
5
<
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bis
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rm
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8
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Drum
Percussion
Drum
Percussion
Amp
Noise
Generator
.
ROL
HOOK
ao
RES
ok
R56
IK
(Hi~
Hat)
‘ee
ie
3
:
pire
wie
!
20
4082)
62.5
KHz
r
ar
elt
at
=
43
,56,69
a
|
:
‘
Clock
Divider
—
a
wf
‘4s
IRGC
47
5
4.5136)
liz
+
2
a
%
°
>
2
~
aNar
>
8
|
“3
|
{2
8
cL
3
:
i
eres
eee
_——
18
EL
Bs
15
(38)
(Cymbais)
is
=|
ICi-2
a
Ss
+4V
Regulator
:
°
&
7
'
ax
“#
2
=
t4av
ose
—
¢
©
62.5KHz
Mi
>
>
A
°
x
&
[FIR9O
10
b
aad
&
Pd
|5
0
+15(37)
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5
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Sd
7
2
SAS (ADWR) ——= AOWR (57) O-===>——_