Switching Truth Table - JVC JX-W9(E) Service Manual

Special effects generator
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JX-W9
10. Switching Truth Table
1. Input/Output Switching
Gate
No.
Input side
Output side
Video
Monitor Out
Effect
Out
13
Input 2
Audio
Bypass
Notes:
1. Dashes
("—'')
in
each
column
show that the gate is not related
Switch
Operation
to the function.
Input Select
2
Y
Input 1
IT
Monitor Select |Effect Out
2.
In the
"ON
condition
table
of
Input 2
2. ON Condition Table of Each Gate
{matte}
Color
Wipe
Background
Color
Select
Effect
each
gate
"below,
"X"" in mode
columns
shows
the gate that the
operation
is turned
OFF
in that
mode,
Condition to turn ON
Manual
Auto
Yellow ©
Green
Red
Blue
White
Chroma
Background
(Matte) color
ot
BIW
Goes high when Manual is ON
Goes high when Auto is ON
Goes high when YL is ON
Goes high when GR is ON
Goes high when RD is ON
Goes high when BL is ON
Goes high when WT is ON
* No. 36 and No. 37 voltages are reverse (H/L) to
each other.
-
* In Colorize mode, No. 37 gate goes high when
the comparator |C37's output is high.
Goes high when White or Black is selected for Color, or when B/W is selected for
Effect. At this time, No. 36 and No. 37 gates go low.
Goes high when No, 38 is low
Effect
Select
| B/W
Background
(Matte) color
Defocus
bt
Paint
Goes high when COLORIZE is ON
Goes high always in the modes on the left
Goes high when DEFOCUS is ON
Goes high when PAINT is ON
{Negative
Positive
Goes high when NEGATIVE is ON
Goes high when NEGATIVE is OFF
Wipe
|Nega-
Select}
tive
4
Source (input) | 46
Effect
47
Refer to the 'wipe gate logic diagram".
Fader
Black
48
White
49
Goes high when Black is selected for Color
Goes high when Color other than white is selected
Wipe
Pattern
V.ST
Goes high when wipe pattern for fis ON.
Goes low when No. 51 or No. 52 is high.
V.TA
en
Goes high when PM and im are ON simultaneously.
Goes low when No. 50 or No. 52 is high.
PAL
Goes high when EJ is ON. Goes low when No. 50 or No. 57 is high.
V POL
Goes high when No. 54 is low.
|v POL
Goes high when gl is ON and Mis OFF.
H. ST
Goes high when {Jor EEJis ON. Goes low when No. 56 is high.
lara
app
nt at
pode
| se
Goes high when [Jfand Dare ON simultaneously.
H POL
Goes high when No. 58 is low, and goes low when No. 58 is high.
H POL
Goes high when JJjis ON and [fis OFF.
(No. 70053) 25

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