Read Sony KE-42MR1E / KE-50MR1E Service Manual online
KE-42/50MR1E (HK/ME) 2-4
2-1-8. AD adjustment of CVBS Video (NTSC4.43)
system
1)
Set input to AV1.
2)
Input NTSC4.43 All White Signal 90IRE in AV1.
3)
Set picture quality mode to [PC/GAME].
Send “RGB Level” Command.
Send “RGB Level” Command.
4)
Adjust Y_OUT_LEVEL until the Green detection value is
within a setting value.
within a setting value.
Detection setting value: 197
±
3
5)
Set Video Signal to NTSC4.43 All Gray 20IRE.
6)
Adjust Cb_OFFSET1 until the detection value of Blue
becomes same as that of Green.
becomes same as that of Green.
7)
Adjust Cr_OFFSET1 until the detection value of Red
becomes same as that of Green.
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:
R,G,B detection value dispersion:
±
1
9)
Repeat step 2-7 until it is in the detection setting value of 4)
and 8).
and 8).
10) Input NTSC4.43 75% Color Bar signal into AV1. (figure (11))
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the right figure (12).
12) Adjust Hue until the detection value of (B) becomes same as
that of (C), as shown in the right figure (13).
13) Repeat step 11)-12) until the detection value of (A), (B), (C)
and (D) becomes the same, as shown in the right figure (14).
(Note) Adjustment is omissible.
The adjustment value of NTSC4.43 copies that of NTSC.
75% Color Bar
(A)
(B)
(C)
(D)
x
x
x
x
Wh Ye Cy G Mg R
Bl Bk
Cautions :
figure (11)
The position of (A) excepts between
for 1/16 from an edge.
for 1/16 from an edge.
(A)
(B)
(C)
(D)
figure (12)
ML board CN304
3
pin
Blue output
(A)
(B)
(C)
(D)
figure (13)
ML board CN304
3
pin
Blue output
+2
–6
–6
2-1-9. AD adjustment of Video (YC) system
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.
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)
C_OUT_LEVEL
Cb_OFFSET1
Cr_OFFSET1
Hue (Only NTSC, NTSC4.43)
2-1-10. AD adjustment of component (15k)
system
1)
Set input to AV5.
2)
Input conponent component PAL All White Signal 90IRE
in AV5.
in AV5.
3)
Set picture quality mode to [PC/GAME].
Send “RGB Level” Command.
Send “RGB Level” Command.
4)
Adjust Y_OUT_LEVEL until the Green detection value is
within a setting value.
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.
becomes same as that of Green.
7)
Adjust Cr_OFFSET2 until the detection value of Red
becomes same as that of Green.
becomes same as that of Green.
8)
Repeat step 6)-7) until it is in a detection setting value of
8).
8).
Detection setting value: 44
R,G,B detection value dispersion:
R,G,B detection value dispersion:
±
1
9)
Repeat step 2)-7) until it is in the detection setting value of
4) and 8).
4) and 8).
10) Input component PAL 75% Color Bar signal into AV5.
(figure (15))
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure (16).
2-1-11. AD adjustment of RGB 15k system
1)
The adjustment value of RGB 15k signal copies that of
component (15k).
component (15k).
Y_OUT_LEVEL
C_OUT_LEVEL
Cb_OFFSET2
Cr_OFFSET2
C_OUT_LEVEL
Cb_OFFSET2
Cr_OFFSET2
+2
–6
–6
(A)
(B)
(C)
(D)
figure (14)
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 (15)
The position of (A) excepts between
for 1/16 from an edge.
for 1/16 from an edge.
(A)
(B)
(C)
(D)
figure (16)
ML board CN304
3
pin
Blue output
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