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Bute Video Gain Adjustment
- - - Osci)toscope
. . . . . . . . . T P 2 0 3
Equ!pment- -
Connections
Chassis Ground
)nput Signal
16 Step Gray Scaie video signa) (NTSC)
Picture Condition
input Mode " "
Adjustment: - - - -
Normal.
- - - - A V .
cG1 Center Adjustment]
Equipment . . - . - - - . . . . . . . . - . . . . . . . . . Digital voltmeter
Connections - - - - - - - - - - - . . . . . . . . . - - . . . . . . . . . . -TP412
. . . . . . . . . . Chassis ground
input Signa) " - 1 6 Step Gray Scaie video signai(NTSC)
Picture Condition - - - . . . . . . . . . . . . - - . . - - . . . . . . Normal
input Mode - - - - - - - - . . . . . - - - . . . . . . . . . - . . . Computer.
Adjustment: - - Adjust VR406 to read 6.5 ± 0.01V DC.
By Using OF
data (Refer to iiC Data
Adjustment on page 19)
Adjust A to be - - - - - - - - 1.60 ± 0.05 (V P-P).
[01 Video Adjustments]
Equipment . . . " . . . . . . . - - . - - . - - - - - - . . - . OsciHoscope
Connections - . - - - - - . . . . . - . . . . . . . . . . . . . . . . . . . . TP412
. . . . . . . . . . Chassis ground
input Signal - - - 1 6 Step Gray Scale video signai(NTSC)
Picture Condition
[nput Mode " - "
Adjustment: " - "
-]
By Using VR405 Adjust the A
to be - - - - - - - - - - - - - - - 3..4 ± 0.05 (V P-P).
2 By Using VR401 Adjust the B
to be - - - - - . . - - . . - - - - - - 2.5 ± 0.05 (V P-P).
- - Norma!.
Computer.
G2 Video Adjustments
EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . Osciiioscope
iNPUT SIGNAL 16 Stop Gray Scaie video signa) (NTSC)
Picture condition . . . . . . . . . . . . . . . . . . . . . . . . Normal.
fnput Mode - - - - . - - - - - - - . . . . . . . . . . . . . . . . . . Computer.
Pre Condition - - - VR402andVR403 Mechanica) Center.
CONNECTIONS- -CH 1: TP412 and chassis ground
CH 2: TP1412 and chassis ground
CH1tCH2(iNV)
ADJUSTMENT: - . . . . . . - . . - - - . . . . . . - . . - . . . . . . . . . . .
1 adjust VR1405 and VR1401 to Minimum
p-p
waveform on Oscilloscope.
2 adjust VR1403 to 0 V-DC(GND) waveform on
Oscilloscope.
B
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