Casio CZ-1 Service Manual And Spare Parts List page 106

Combined retittancet at
each point
art:
IN*
R8
toicn 112
RS
10KS1
1
22
R3
10KO
1
32
'4
R6
121
R4
131
R1
SKS1
•
Channtl
Channtl
1
flannel 2
Channtl 3
-9»
Channtl 4
ra
-
R1
|5Kfl)
R2 (5KH) -
10KH
rb
-
Parallel
connected ra
(10X11)
and
R3
OOKft) •
5KH
rc
- rb (5KH)
R4 (5KH) -
10KH
rd
-
Parallel
connected
rc
(10X1*)
and
RS (10KH)
-
5KH
rt
- rd (5Kn) *
R6
(5Kft) •
10KH
-
Paralltl
connected
re
(10X11) and
R7 (lOKft) -
5KQ
• rf
(5Kfl)
R8 (5Kft) -
10KH
Each
current value
is:
I
-
111
^
112
111
-
121
122
121
-
131
132
Namely. 111-1/2
121
•
111/2-IM
131
- 121/2 -
1/8
Voltage
level
at
tach channtl
it:
Channel
0:
rgx
I
» lOKft x
I
Channel
1: re
x
I1 1
10K11 x
1/2
Channel
2:
rc
x
121
-
10KH
x
I/4
Channel
3: ra
x 131
- 10K1* x
1/8
Channel
4:
R1
x 131
-
5KH
x
1/8
- 10X
x 1/16
If
input voltage
ii
E:
Channel
input voltage
it
E.
Channel
1
input voltage
if
E/2.
Channel 2 input voltage
it
E/4.
Channel 3
input voltage
it
E/8.
Channel 4 input voltage
it
6/16.
Thus, output
of
DAC
it
txpanded
in
accordance with the voltage
levels
of
signals
001,
002
and
003.
-46-