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+5.2 VOLT ADJUSTMENT
BLACK LEVEL EXTENS)ON ADJUSTMENT
EQUiPMENT"-
CONNECT)ONS
)NPUT StGNAL -
SELECT ViDEOMODE-
Digitai voltmeter
C629+
Chassis Ground
Cotorbarsignat
AV
ADJUSTMENT: Adjust VR601 to be
5.2 ± 0.05V DC.
EQU)PMENT-"
CONNECT)ONS
tNPUTS'GNAL
Oscif)oscope
CH1: TP203
Chassis Ground
CH2: TP202
Chassis Ground
NTSC 16 step gray scate
video signa)
NTSCVCO ADJUSTMENT
D!G!TAL CONTROL-
NORMAL
EQUiPMENT---
CONNECT!ONS
)NPUT SIGNAL
Digtta! vottmeter
TP47A
Chass!s Ground
Color bar signa!
ADJUSTMENT: 1. By using VR251 adjust TP203 DC ievet
vo!tage for same as TP202 white ievei
voitage
ADJUSTMENT: Adjust T4261 to be
2.5 ± 0.05V DC.
CH1 TP203
PAL VCO ADJUSTMENT
EQUtPMENT---
CONNECTiONS
iNPUT SIGNAL
Digita) voltmeter
TP47B
Chassis Ground
Cofor bar sfgnai
ADJUSTMENT: Adjust T4272 to be
3.0 ± 0.05V DC.
27
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