Sharp MZ-80B - 2.2 Keyboard

"'i
.~
'"
o
I
u
Audio signal
Video
signal
Vertical
horizontal
sync. signal
+12V
~
Power
supplv
..
Contrast
t
1-
Audio
Video
signal
amp.
amp.
Q2001
IC2002
Q2002
t Brightness
Volume
Vert. sync.
signal
Video signal
Sync. amp.
Vert. DSC.
02003
amp'/output
r-
amp. IC2001
To Video amp.
t
t
t
To sync.
separator
To vert.
V·HOLO V·UN
V·SIZE
circu'lt
To audio
V circuit
Horiz. sync.
signal
To horizontal
circuit
To FBT circuit
To CRT heater
AFC
02003,
t--
02004
t
.,
Horiz.
Horiz_
Horiz.
DSC.
I--
drive
output
02004 Q2005
02006
~H.HOLO
Block Diagram of Monitor TV Section
~
•
~IIU ~~~
Speaker
V
.+. \. DY /
J4>IX CRT
~ \
H~
,,'I- H
'Do]
r- ~
0
~
.-
F.B.T
E2728B31
9"
voltage
~
?