Service manual

MZ 80K
• Waveforms of Display Section
Video input signal
Video output signal Video output signal
(,J)
CV
®
.(
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+1111111
1111111
·+11][111
1111111
,+pllllllIl~
---
1111111111
5ms 5ms
5ms
Sync.
input signal
Sync. signal amp.
output
Vertical sync. signal
(4)
ell ®
r--
Tr-1
~
r--
r-
Tl
,
!
4V
IL
12Vpp
+-
L
~
1V
L-
W
20l's
20l's
2ms
Vertical oscillator Circuit
Vertical output waveform
Vertical drive collector waveform
(7)
®
@
sfVl
T
~l
I
I
T
10r
1.5Vpp
..i...:.
t
OV
5ms
1.5V
5ms
Voltage
at pin ® of RH-IX0015
Vertical deflection coil voltage waveform
Vertical linearity circuit waveform
IQ)
IJl
"ll
I~
l
,--
-
I~v
1.5Vpp
1J
5ms
5ms 5ms
Horizontal sync. signal waveform AFC waveform FBT waveform
U') \1jJ
@
Tn
n
L
T
l
T
I
4V
8Vpp
7V
JJ
l
5V
~
5V
f
20l's
201' 20l's
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