Toshiba IK-TF9P Service Manual page 26

1-2-3. R OFFSET Adjustment
Screen display : 03 R OFFSET
Test equipment : OSCILLOSCOPE
Test point : TC02
Adjustment point : DATA UP/DOWN
Specification : 100 ± 1
1. Adjust by applying 10kW resistance serially between
the oscilloscope probe nand the test point.
2. Shoot the gray scale chart to adjust the lens iris so
that TC02 obtains 1100 ± 40mV.
3. Press the DATA UP/DOWN buttons to adjust the
data so that the R/G value on the screen obtains 100
± 1.
1100 ± 40mV
GND
(TC02)
Adjust the R/G
value to 100
1-2-4. B OFFSET Adjustment
Screen display
Test equipment
Test point
Adjustment point : DATA UP/DOWN
Specification
1. Adjust by applying 10kW resistance serially between
the oscilloscope probe and the test point.
2. Shoot the gray scale chart to adjust the lens iris so
that TC02 obtains 1100 ± 40mV.
3. Press the DATA UP/DOWN buttons to adjust the
data so that the R/G value on the screen obtains 100
± 1.
1100 ± 40mV
GND
2-4
: 04 B OFFSET
: OSCILLOSCOPE
: TC02
: 100 ± 1
(TC02)
Adjust the R/G
value to 100
IK-TF9P