Sony KE-42MR1E / KE-50MR1E Service Manual ▷ View online
KE-42/50MR1E (HK/ME) 2-1
SECTION 2
ADJUSTMENTS
2-1. Readjustment of A/D converter and
Video decoder calibration (MBT-MR1C)
<Service Mode>
The service mode is not displayed in the normal state. It is
displayed by entering a pass code.
All hidden menus are displayed when you enter the pass code
below.
The uppermost item of the displayed menus is a service mode
menu.
displayed by entering a pass code.
All hidden menus are displayed when you enter the pass code
below.
The uppermost item of the displayed menus is a service mode
menu.
Pass code: Enter in the standby state (when the red LED lights)
as follows:
Screen display
→
5
→
Vol +
→
Power ON
== Service Mode Menu ==
1)
1)
EEP ROM Initialize
2)
Chroma Decoder
3)
AD Converter
4)
White Balance
5)
General
6)
Manual Control
7)
Preset Edit
8)
Service Status
2-1-1. Adjustment preparation
1)
Connect J board via AV mouse.
2)
Set Factory Service mode useing AdjCon.xls.
3)
Set Thunder to Through mode. (P board)
2-1-2. AD adjustment of RGB System
1)
Input VGA (640
×
480/60) All White 90IRE in D-sub 15 pin
input.
2)
Set picture quality mode to [PC/GAME].
Send “RGB Level” Command.
Send “RGB Level” Command.
3)
Adjust RGB Gain and set the detection value of RGB to
setting values.
setting values.
Detection setting value: 212
±
3
4)
Set RGB signal to VGA (640
×
480/60) All Gray 20IRE.
5)
Adjust RGB Offset and set the detection value of RGB to
setting values.
setting values.
Detection setting value: 47
±
1
6)
Repeat step 1-5 until it is in a detection setting value.
*
Perform this only when the value has shifted in previous
“Check of A/D converter and video decoder calibration”
check.
“Check of A/D converter and video decoder calibration”
check.
2-1-3. AD adjustment of Component (other 15k)
system
1)
Input 1080/60i All White 90IRE in AV5 input.
2)
Set picture quality mode to [PC/GAME].
Send “RGB Level” Command.
Send “RGB Level” Command.
3) Adjust G Gain and set the detection value of Y to setting
values.
Detection setting value Y: 212
±
3
4)
Set Component Signal to 1080/60i All Gray 20IRE.
5)
Adjust G Offset and set the detection value of Y to setting
values.
values.
Detection setting value Y: 47
±
1
6)
Repeat step 1-5 until it is in a detection setting value.
7)
Set Component Signal to 1080/60i All Blue 90IRE.
8)
Adjust G Gain and set the detection value of Cb to setting
values.
values.
Detection setting value Cb: 234
±
3
9)
Set Component Signal to 1080/60i All Black 0IRE.
10) Adjust B Offset and set the detection value of Cb to setting
values.
Detection setting value Cb: 128
±
1
11) Repeat step 7-10 until it is in a detection setting value.
12) Set Component Signal to 1080/60i All Red 90IRE.
13) Adjust R Gain and set the detection value of Cr to setting
12) Set Component Signal to 1080/60i All Red 90IRE.
13) Adjust R Gain and set the detection value of Cr to setting
values.
Detection setting value Cr: 234
±
3
14) Set Component Signal to 1080/60i All Black 0IRE.
15) Adjust R Offset and set the detection value of Cr to setting
15) Adjust R Offset and set the detection value of Cr to setting
values.
Detection setting value Cr: 128
±
1
16) Repeat step 12-15 until it is in a detection setting value.
2
KE-42/50MR1E (HK/ME) 2-2
2-1-4. AD adjustment of CVBS Video (NTSC)
system
1)
Set input to AV1.
2)
Input NTSC 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 NTSC 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 NTSC 75% Color Bar signal into AV1. (figure (1))
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the right figure (2).
12) Adjust Hue until the detection value of (B) becomes same as
that of (C), as shown in the right figure (3).
13) Repeat step 11)-12) until the detection value of (A), (B), (C)
and (D) becomes the same, as shown in the right figure (4).
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.
for 1/16 from an edge.
(A)
(B)
(C)
(D)
figure (2)
ML board CN304
3
pin
Blue output
(A)
(B)
(C)
(D)
figure (3)
ML board CN304
3
pin
Blue output
+2
–6
–6
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.
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 PAL 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 PAL 75% Color Bar signal into AV1. (figure (5))
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure (6).
75% Color Bar
(A)
(B)
(C)
(D)
x
x
x
x
Wh Ye Cy G Mg R
Bl Bk
Cautions :
figure (5)
The position of (A) excepts between
for 1/16 from an edge.
for 1/16 from an edge.
(A)
(B)
(C)
(D)
figure (6)
ML board CN304
3
pin
Blue output
+2
–6
–6
(A)
(B)
(C)
(D)
figure (4)
ML board CN304
3
pin
Blue output
KE-42/50MR1E (HK/ME) 2-3
75% Color Bar
(A)
(B)
(C)
(D)
x
x
x
x
Wh Ye Cy G Mg R
Bl Bk
Cautions :
figure (7)
The position of (A) excepts between
for 1/16 from an edge.
for 1/16 from an edge.
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.
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 SECAM 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 SECAM 75% Color Bar signal into AV1. (figure (7))
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure (8).
+2
–6
–6
(A)
(B)
(C)
(D)
figure (8)
ML board CN304
3
pin
Blue output
2-1-7. AD adjustment of CVBS Video (PAL60)
system
1)
Set input to AV1.
2)
Input PAL60 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 PAL60 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 PAL60 75% Color Bar signal into AV1. (figure (9))
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the right figure
(10).
(10).
(Note) Adjustment is omissible.
The adjustment value of PAL60 copies that of NTSC.
+2
–6
–6
75% Color Bar
(A)
(B)
(C)
(D)
x
x
x
x
Wh Ye Cy G Mg R
Bl Bk
Cautions :
figure (9)
The position of (A) excepts between
for 1/16 from an edge.
for 1/16 from an edge.
(A)
(B)
(C)
(D)
figure (10)
ML board CN304
3
pin
Blue output
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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