Sharp MZ-80B - 3.1 Installation of optional devices in the main cabinet of MZ-80 B

1
2
3
4
5
6
7
8
A 8
c
D
E
* Alteration of "FF" and "REW" display LED circuit
(Cassette Tape Recorder)
"V
NQ04.4PA·B
[C_tuPWB)
JJOO2..J
CND
H. LEO
F0335PA
ILEOPW6]
Early Circuit Diagram
F
G
H
REW.l.EO
68. J3002·'
R3052
AEV
J3002·2
S.+12V
12V
68.
J3002-3
A3053
FF
FF.lEO
F0335PA·'
(LEDPW'S]
Late Circuit Diagram
The "FF" and "REW" display LED circuit was changed with later products. When the cassette PWB is
replaced, check the LED PWB circuit. (Adjust the pattern of the LED PWB it the ~ircuit does not
conform.)
• Graphic RAM (I) PWB Section
Perspective View
o Parts-fitted face
D Opposite Side