Read Sony KLV-MR30M1 Service Manual online
KLV-MR30M1 (CH) 2-2
2-1-4. AD Adjustment of CVBS Video (NTSC)
System
1) Set input to AV1.
2) Input NTSC 50% window Signal 90 IRE in AV1.
3) Set picture quality mode to [PC/GAME].
2) Input NTSC 50% window Signal 90 IRE 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 NTSC 50% window 20 IRE.
6) Adjust Cb_OFFSET1 until the detection value of Blue
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 becomes the following detection
setting value.
Detection setting value: 44
R,G,B detection value dispersion: ± 1
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 NTSC 75% Color Bar signal into AV1. (Fig. 1)
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure 2.
12) Adjust Hue until the detection value of (B) becomes same as
that of (C), as shown in the figure 3.
13) Repeat step 11-12 until the detection value of (A), (B), (C)
and (D) becomes the same, as shown in the figure 4.
+2
–6
–6
(A)
(B)
(C)
(D)
ML board CN304
3
pin Blue output
Fig. 2
(A)
(B)
(C)
(D)
ML board CN304
3
pin Blue output
Fig. 3
(A)
(B)
(C)
(D)
ML board CN304
3
pin Blue output
Fig. 4
75% Color Bar
(A)
(B)
(C)
(D)
x
x
x
x
Wh Ye Cy G Mg R
Bl Bk
Cautions : The position of (A) excepts between
for 1/16 from an edge.
Fig. 1
2-1-5. AD Adjustment of CVBS Video (PAL)
System
1) Set input to AV1.
2) Input PAL 50% window Signal 90 IRE in AV1.
3) Set picture quality mode to [PC/GAME].
2) Input PAL 50% window Signal 90 IRE 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 50% window 20 IRE.
6) Adjust Cb_OFFSET1 until the detection value of Blue
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 becomes the following detection
setting value.
Detection setting value: 44
R,G,B detection value dispersion: ± 1
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. (Fig. 5)
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure 6.
+2
–6
–6
75% Color Bar
(A)
(B)
(C)
(D)
x
x
x
x
Wh Ye Cy G Mg R
Bl Bk
Cautions : The position of (A) excepts between
for 1/16 from an edge.
Fig. 5
(A)
(B)
(C)
(D)
ML board CN304
3
pin Blue output
Fig. 6
Click on the first or last page to see other KLV-MR30M1 service manuals if exist.