KE-50MR1 - Sony TV Service Manual (repair manual). Page 28

KE-50MR1(AEP)

2-6

1)

The adjustment value for each color system at the time of YC signal input copies the
adjustment value over each color system at the time of the CVBS signal input adjusted in 4-8.

Y_OUT_LEVEL
C_OUT_LEVEL
Cb_OFFSET1
Cr_OFFSET1
Hue (Only NTSC, NTSC4.43)

1)

Set input to AV5.

2)

Input conponent component PAL All White Signal 90IRE in AV5.

3)

Set picture quality mode to [PC/GAME].
Send “RGB Level” Command.

4)

Adjust Y_OUT_LEVEL until the Green detection value is within a setting value.

Detection setting value 197 ±3

5)

Set Video Signal to component PAL All Gray 20IRE.

6)

Adjust Cb_OFFSET2 until the detection value of Blue becomes same as that of Green.

7)

Adjust Cr_OFFSET2 until the detection value of Red becomes same as that of Green.

8)

Repeat step 6)-7) until it is in a detection setting value of 8).

Detection setting value 44
R,G,B detection value dispersion: ±1

+2
–6

9)

Repeat step 2)-7) until it is in the detection setting value of 4) and 8).

10) Input component PAL 75% Color Bar signal into AV5.
11) Adjust C_OUT_LEVEL until the detection value of (A) becomes same as that of (D), as

shown in the right figure (2).

1)

The adjustment value of RGB 15k signal copies that of component (15k).

Y_OUT_LEVEL
C_OUT_LEVEL
Cb_OFFSET2
Cr_OFFSET2

75% Color Bar

(A)

(B)

(C)

(D)

x

x

x

x

Wh Ye Cy G Mg R

Bl Bk

Cautions :

figure (1)

The position of (A) excepts between
for 1/16 from an edge. 

(A)

(B)

(C)

(D)

figure (2)

ML board CN304 

3

 pin

Blue output