Read Sony KLV-MR30M1 Service Manual online
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.
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
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
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) 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.
“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].
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
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
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
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
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
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.
Click on the first or last page to see other KLV-MR30M1 service manuals if exist.