Adjustment Of Sub-Color And Sub-Hue - Sony KE-32TS2U Service Manual

2-3. Adjustment of sub-color and sub-hue

1. Input an NTSC SMPTE 75% color-bar signal to VIDEO 1.
2. Set the image quality to the AV professional standard state.
3. In the service mode, put the unit into the Blue Only mode.
4. Adjust the NTSC sub-color and sub-hue while viewing the screen.
Set the Sub-color value to 8 and adjust the C Out level so that the bright-
ness of (1) and (A) is equal to each other and that of (4) and (D) is equal
to each other. Then adjust the Sub-hue so that the brightness of (2) and
(B) is equal to each other and that of (3) and (C) is equal to each other.
Confirm the C Out level and Sub-hue again. (The C Out level and Sub-
hue require tracking several times.)
5. Input a PAL SMPTE 75% color-bar signal to VIDEO 1.
6. Adjust the PAL sub-color while viewing the screen.
Adjust the Sub-color so that the brightness of (1) and (A) is equal to each
other and that of (4) and (D) is equal to each other.
If the adjustment is omitted, set the Sub-color value to 10.
7. Input a SECAM SMPTE 75% color-bar signal to VIDEO 1.
8. Adjust the SECAM Sub-color while viewing the screen.
Adjust the Sub-color so that the brightness of (1) and (A) is equal to each
other and that of (4) and (D) is equal to each other.
If the adjustment is omitted, set the Sub-color value to 9.
9. Cancel the Blue Only mode.
(1) (2) (3)
(A) (B) (C)
SMPTE color-bar signal
(4)
(D)
KE-32TS2U(UC) 2-4