Sharp MZ-80B Service Manual page 17
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Also See for MZ-80B:
- Owner's manual (138 pages) ,
- Reference manual (94 pages) ,
- Basic manual (81 pages)
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RAM III
RAM 121
RAMlml
RAM IIYI
D7
~'SHARP81
P
16[
P
SHAR 24[
P
321
D6
P
71
P
151
P
231
P
3 1 1
D5
P
61
P
14/
P
22[
P
30[
D4
P
51
P
131
P
211
P
291
D3
P
4[
P
121
P
20 1
p
28
1
D2
P
3[
P
11[
P
19 1
P
271
D1
P
21
P
101
P
18 1
P
26 1
DO
~
1
I
P
91
P
171
P
25
1
• Waveforms of CPU Board
Pin 23 of IC42
Pin 22 of IC43
Pin 20 of IC42
Pin 20 of IC43
-
-
-
lSMHz
8MHz
4MHz
Pin 19 of IC42
Pin 21 of IC42
Pin 21 of IC43
Pin 19 of IC43
-
-
-
-
-
-
~
-
'-----
2MHz
lMHz
lMHz
Pin 10
o~
IC42
F'in
12
of
IC36
Pin 7 of IC42
J
U
I
-
,---
16.64ms
64",
64",
Pin 9 of IC19
3L251(Hz
- 15-
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