Stereo; 20-2. Signal; Circuit - Casio CZ-1 Service Manual And Spare Parts List

20.
STEREO
CHORUS CONTROL
CIRCUIT
20-1.
Block Diagram
Output
Amp.
9*1
111
From
MftlnCPUl
Tonol
(Low)
Analog Switch
TC4063BP
Amp.
r^'oV
x-com/.
J
r-
_
6
MLR
-T5—
Ton. 2
(Upparl
Mttr
m
Oosodor for
{s5
#ic
1
40
;
40
so
5
60
so
:
CLR
60
LB
i
AB
i
.
MB
c
.
FCB
MAIM
Chorus
VR
Whether or not passing the tone through the
Stereo Chorus
circuits
are determined panel
switch.
The
Main
CPU
controls analog switch
TC4053BP
to pass
only
selected
tone through
Stereo
Chorus
circuits.
20-2. Signal Function
MLL,
MLR
Left (Right) analog melody
signal of
DAC
output.
(?)
MLTH,
MRTH
Left (Right) analog melody
signal
of
original
sound.
(Not through
Stereo
Chorus
circuit)
(3)
MMTH
Mixed (L+R)
analog
melody
signal
of
original
sound.
(Not through Stereo Chorus
circuit)
BOUT
L,
BOUT
R
. . .
Left (Right) analog
melody
signal of Stereo
Chorus
sound.
(Through
Stereo
Chorus
circuit)
(D MTH
Mixed (L+R)
analog melody
signal
of
original
sound
for
Stereo Chorus
sound.
(D OUT
L,
OUT
R
Stereo Chorus
sound.
(BOUT
L
(R)
+ MTH)
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