29CTF05BS
3 – 29
PAL CHROMA ADJUSTMENT
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1
SUB COLOUR
1. Receive the "PAL Color Bar" signal.
(I2C BUS CONTROL) 2. Make the image normal with the remote controller.
3. Connect the oscilloscope to TP47R (IC851 #9). ( Use Probe 10:1)
Range : 2V / Div
Sweep time: 20m sec / Div
4. Set the sub color adjustment mode with the remote controller, and vary the sub
color data to make 100% W of the color bar and RED at the same level for
adjustment shown in Fig 1-1.
NTSC CHROMA ADJUSTMENT
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SUB-TINT
(1) Receive the "NTSC 3.58 Colour Bar" signal through AV IN.
(I2C BUS CONTROL) (2) Connect the oscilloscope to TP47B (P860 Pin4) BLUE-OUT
Range
: 100mV/Div (AC)
(Use Probe 10:1)
Sweep time
: 10sec/Div
(3) Select the "SUB-TINT" item in the ADJUSTMENT MODE. Adjust the "SUB-TINT"
data to obtain the waveform shown as Fig 1-1 (W and Mg same level).
Cy
G
B
75% W Y 100% W Mg
R
Fig 1-1
Same Level
W
Y
Cy
G
Mg
R
B
Fig 1-1
Содержание 29CTF05BS
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