Ad Adjustment Of Yc Video (Ntsc4.43); System - Sony KLV-MR30M1 Service Manual

2-1-10. AD Adjustment of YC Video (PAL60)

System

1) Set input to AV1.
2) Input PAL60 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 PAL60 50% window 20 IRE.
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 become the following detection setting
value.
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 PAL60 75% Color Bar signal into AV1. (Fig. 17)
75% Color Bar
(A) (B) (C)
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. 17
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure 18.
(A) (B) (C)
Fig. 18
(Note)
Adjustment is omissible.
The adjustment value of PAL60 copies that of NTSC.
+2
–6
(D)
x
ML board CN304
3 pin Blue output
(D)

2-1-11. AD Adjustment of YC Video (NTSC4.43)

System
1) Set input to AV1.
2) Input NTSC All 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
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
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. 19)
75% Color Bar
(A) (B) (C)
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. 19
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure 20.
(A) (B) (C)
Fig. 20
12) Adjust Hue until the detection value of (B) becomes same as
that of (C), as shown in the figure 21.
(A)
(B) (C)
Fig. 21
13) Repeat step 11-12 until the detection value of (A), (B), (C)
and (D) becomes the same, as shown in the figure 22.
(A)
(B) (C)
Fig. 22
+2
–6
(D)
x
ML board CN304
3 pin Blue output
(D)
ML board CN304
3 pin Blue output
(D)
ML board CN304
3 pin Blue output
(D)
KLV-MR30M1 (CH) 2-5