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