DOWNLOAD Sony KLV-MR30M1 Service Manual ↓ Size: 12.34 MB | Pages: 127 in PDF or view online for FREE

Model
KLV-MR30M1
Pages
127
Size
12.34 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-mr30m1.pdf
Date

Sony KLV-MR30M1 Service Manual ▷ View online

KLV-MR30M1 (CH)      1-8E
1-2-9. H4 BOARD REMOVAL
1
 Two screws
     (+BVTP 3X12)
2
 H4 Board
Front panel
KLV-MR30M1 (CH)      2-1
SECTION 2
ADJUSTMENTS
2-1. Adjustment of A/D Converter
(MBT-MRL1C)
<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.
Pass code: Enter in the standby state (when the red LED lights)
as follows:
Screen display 
 5 
 Vol + 
 Power ON
== Service Mode Menu ==
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 XGA (1024 
×
 768) All White 90 IRE in D-sub 15 pin
input.
2) Set picture quality mode to [PC/GAME].
Send “RGB Level” Command.
3) Adjust RGB Gain and set the detection value of RGB to setting
values.
Detection setting value: 212 ± 3
4) Set RGB signal to XGA (1024 
×
 768) All Gray 20 IRE.
5) Adjust RGB Offset and set the detection value of RGB to
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.
2-1-3. AD Adjustment of Component (other
15k) System
1) Input 1080/60i All White 90 IRE in AV4 or 5 input.
2) Set picture quality mode to [PC/GAME].
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 20 IRE.
5) Adjust G Offset and set the detection value of Y to setting
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 90 IRE.
8) Adjust B Gain and set the detection value of Cb to setting
values.
Detection setting value Cb: 234 ± 3
9) Set Component Signal to 1080/60i All Black 0 IRE.
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 90 IRE.
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
values.
Detection setting value Cr: 128 ± 1
16) Repeat step 12-15 until it is in a detection setting value.
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].
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. 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
(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].
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
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 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
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
KLV-MR30M1 (CH)      2-3
2-1-7. AD  Adjustment of YC Video (NTSC)
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. 9)
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure 10.
12) Adjust Hue until the detection value of (B) becomes same as
that of (C), as shown in the figure 11.
13) Repeat step 11-12 until the detection value of (A), (B), (C)
and (D) becomes the same, as shown in the figure 12.
(A)
(B)
(C)
(D)
ML board CN304 
3
 pin Blue output
Fig. 11
(A)
(B)
(C)
(D)
ML board CN304 
3
 pin Blue output
Fig. 12
2-1-6. AD Adjustment of CVBS 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 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 PAL60 75% Color Bar signal into AV1. (Fig. 7)
11) Adjust C_OUT_LEVEL until the detection value of (A)
becomes same as that of (D), as shown in the figure 8.
Note)
Adjustment is omissible.
The adjustment value of PAL60 copies that of NTSC.
(A)
(B)
(C)
(D)
ML board CN304 
3
 pin Blue output
Fig. 8
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. 9
+2
–6
+2
–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. 7
(A)
(B)
(C)
(D)
ML board CN304 
3
 pin Blue output
Fig. 10
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