Video Ad Adjustment; Video Coder Input Adjustment - Sony KE-32TS2U Service Manual

2-2-4. Video AD adjustment

1. Set the image quality mode to the AV professional standard state.
Set the dynamic picture to OFF.
2. Set the input to Video, then input All white 90 IRE signal of NTSC to the
video input terminal.
3. Adjust the Sub Contrast (Video), that is, adjust the detection value of G
to the set value.
Detection set value: 230 ± 3
4. Set the video input signal to All gray 20 IRE signal of NTSC.
5. Adjust the Sub Bright (Video), that is, adjust the detection values of G to
the set value.
Detection set value: 51 ± 3
6. Adjust the CB Offset (Video), that is, adjust so that the detection value
of B is the same as that of G.
7. Adjust the CR Offset (Video), that is, adjust so that the detection value
of R is the same as that of G.
8. Repeat steps 5 to 7 until the detection set value in step 5 is obtained.
9. Repeat steps 2 to 8 until the detection set values in steps 3 and 5 are
obtained.
10. Add 15 to the Sub Contrast (Video) and subtract 35 from the Sub Bright
(Video), and then write them.

2-2-5. Video coder input adjustment

1. Input All white 30 IRE signal of SECAM to the video input terminal.
2. Select BY Adj from the Chroma decoder menu.
3. Adjust the BY Adj (SECAM), that is, adjust so that the detection value
of B is the same as that of G.
4. Select RY Adj from the Chroma decoder menu.
5. Adjust the RY Adj (SECAM), that is, adjust so that the detection value
of R is the same as that of G.
6. Repeat steps 3 to 5 until the detection values of R, and B reach the allow-
able error range.
Allowable error ± 5
7. Set [Cal Mode] to [OFF] after the A/D calibration adjustment is com-
pleted.
KE-32TS2U(UC) 2-3