NORMAL
LED
Driver
REPEAT
LED
Driver
Probe 1
LED
Driver
Probe 2
LED
Driver
S
7
6
3
5
4
1
2
Canon 161 Calculator
Section: Controller/Monitor Unit / Version 3
Page: CMU.1
Rendition: 2022 Feb 6
220n
Q
nQ
NTM
nCP-IN => CP-IN
CP-OUT => nCP-OUT
J
K
Q
nQ
J
K
S
R
100K
Repeat
Q
nQ
J
K
S
R
100K
Normal
CC1 => nCC1
NTN
CC2 => nCC2
NTS
CC5 => nCC5
NTV
NTY
NTZ
U6
4023
7
14
U1,2,3,4
4 •
4027
8
16
U7
4070
7
14
U8
4093
7
14
7
6
3
5
4
1
2
9
10
13
11
12
15
14
Q
nQ
J
K
S
R
9
10
13
11
12
15
14
1
2
3
5
6
4
220n
1M
15K
NTP
CC3 => nCC3
NTR
CC4 => nCC4
NTT
CC6 => nCC6
NTU
CC7 => nCC7
NTC
FA => nFA
NTH
FG => nFG
NTK
FS => nFS
NTJ
FH => nFH
NTB
FP => nFP
NTF
FZ => nFZ
NTD
NTE
8
9
10
PROBE 1
Pulse Transfer
Gate
One-Pulse
Enabler
4
5
6
13
12
11
470K
Repeat-Mode
Astable
PROBE 2
470K
0V / E
–10V
NTL
U1a
U1b
U7a
U7b
U7c
U7d
U2a
U2b
U8b
AC=0 => nAC=0
BC=0 => nBC=0
3
1
21
13
24
2N3904
2N3906
25
470
LED
Driver
SIG
2N3906
CC1
CC2
CC3
CC4
CC5
CC6
CC7
FA
FG
FH
FP
FS
F Z
AC=0
BC=0
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
LED
Driver
14
15
16
17
18
19
20
6
10
11
5
12
9
7
8
U6b
5
4
3
6
3
1
2
U8a
10n
Stop /
Clock Step
22K
200K
U5
4520
8
16
Q
nQ
J
K
S
R
9
10
13
11
12
15
14
Q
nQ
J
K
S
R
7
6
3
5
4
1
2
Q
nQ
J
K
S
R
9
10
13
11
12
15
14
Q
nQ
J
K
S
R
7
6
3
5
4
1
2
NTX
T8 => nT8
U4b
U4a
U3b
U3a
KOR => nKOR
N302B
23
2
10
8
9
U8c
Q1
Q8
R
1
2
7
3
6
U5a
Q2
4
Q4
5
Q1
Q8
R
9
10
15
11
14
U5b
Q2
12
Q4
13
U6c
2
1
8
9
13
12
11
10
NTA
FM
nFM => FM
470
2N3904
4
10n
Digit
Step
22K
200K
11
13
12
U8d
10n
Number
Step
22K
200K
STOP
STOP
STOP
STOP
STOP
NTW
OS => nOS
OS
LED
Driver
22
26
U6a
CCP
U4
UH8
U2
UH7
UH6
U1
U3
U5
1
2
25
26
Layout as Implemented
CCP
22K
47K