Video Output Board (High-Resolution) Waveforms - Zenith ZVM-131 Service Manual

~H
-U·
W-W
~H
~.M
-w
~-W· ~
®
IrH. rrl.
Servicing
H,.
(Pin 11 CRT)
Blue Signal
(RGB input)
-+~
1"' 1
..
~
.~~
'r-
~..1 ~
(Pin 11 CRT)
Blue Signal"
("Composite input)
~.
H
~
Ref. DC
50V/DIV.
10j.lsec/DIV.
H
HH
11-1 to-
H~ Hf
iW
I...t' " '
--1.
..\
f,~~
I~o
~ H~
WW~. H
Pin 3 of 5A2
Blue Signal
eRGB input)
H
rlH
t...
I -
M 1.4~
H~ W~
L
. 1
H- -Hi
~
k./1-
kl
1k=J-
~
r
il!:g
Ref. DC
20V/DIV.
10j.lsec/DIV.
Figure 26
Pin 3 5A2 Connector
Blue Signal
(Composite input)
Video Output Board (High-Resolution)
Waveforms
ZH.2
Ref. DC
2VIDIV.
10j.lsec/DIV.
~
Ref. DC
2V/DIV,
1 OJ,lsec /DIV.
Page 45
2)
oRC
CNo
F-
5
",.
-
~I
i
~
.....
!!
i
,
I
~
= 2
i !
3 -
! ' .L
~
.
..
I
L'
~­
'" L: . .
b~;
.....
,"
1.
:C:~:C-"
lItiMTl' LN.LII ImUIJII:
w.
R 2
lGTtI=CUIEQ .. ITM CIIDIIT IIUDDIlE DU1QNR1D11.)
A. PI\.IIIE£ PAITI UIT
rca
Al'PL.lOIII..t UIfIE. lIED
I . . . . . . . . . JUtU: 'KIIE UIED I .. TOID.
IIIUN
C . • • • • ' I'IOIIJlIaN ON I"IIINlm CIIDIIT IIRII.
atOHlaJll. /
V
TO '-227 SERIES
VIDEO MONITOR
MAIN BOARD
Figure 27
Video Output Board (High-Resolution)
Schematic
~.
~
5H3
"L