KE-50MR1 - Sony TV Service Manual (repair manual). Page 25

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KE-50MR1(AEP)
2-3
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
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
2-1-6. AD adjustment of CVBS Video (SECAM) system
1)
Set input to AV1.
2)
Input SECAM All White Signal 90IRE in AV1.
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 SECAM All Gray 20IRE.
6)
Adjust Cb_OFFSET1 until the detection value of Blue becomes same as that of Green.
7)
Adjust Cr_OFFSET1 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
9)
Repeat step 2)-7) until it is in the detection setting value of 4) and 8).
10) Input SECAM 75% Color Bar signal into AV1.
11) Adjust C_OUT_LEVEL until the detection value of (A) becomes same as that of (D), as
shown in the right figure (2).
2-1-5. AD adjustment of CVBS Video (PAL) system
1)
Set input to AV1.
2)
Input PAL All White Signal 90IRE in AV1.
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 PAL All Gray 20IRE.
6)
Adjust Cb_OFFSET1 until the detection value of Blue becomes same as that of Green.
7)
Adjust Cr_OFFSET1 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
9)
Repeat step 2)-7) until it is in the detection setting value of 4) and 8).
10) Input PAL 75% Color Bar signal into AV1.
11) Adjust C_OUT_LEVEL until the detection value of (A) becomes same as that of (D), as
shown in the right figure (2).
+2
–6
+2
–6
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