Read LG 32LE7500 (CHASSIS:LJ03E) Service Manual online
- 14 -
5 Factory Adjustment
5.1 Manual Adjust Component 480i/1080p
RGB 1080p
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Summary : Adjustment component 480i/1080i and RGB
1080p is Gain and Black level setting at Analog to Digital
converter, and compensate the RGB deviation
1080p is Gain and Black level setting at Analog to Digital
converter, and compensate the RGB deviation
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Using instrument
• Adjustment remocon, 801GF(802B, 802F, 802R) or
MSPG925FA pattern generator (It can output 480i/1080i
horizontal 100% color bar pattern signal, and its output
level must setting 0.7V±0.1V p-p correctly)
horizontal 100% color bar pattern signal, and its output
level must setting 0.7V±0.1V p-p correctly)
<Pic.4 Adjustment pattern : 480i / 1080p 60Hz Pattern >
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You must make it sure its resolution and pattern cause
every instrument can have different setting
every instrument can have different setting
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Adjustment method 480i Comp1, Adjust 1080p Comp1/RGB
(Factory adjustment)
(Factory adjustment)
• ADC 480i Component1 adjustment
- Check connection of Component1
- MSPG-925FA -> Model: 209, Pattern 65
- MSPG-925FA -> Model: 209, Pattern 65
• Set Component 480i mode and 100% Horizontal Color
Bar Pattern(HozTV31Bar), then set TV set to
Component1 mode and its screen to “NORMAL”
Component1 mode and its screen to “NORMAL”
• ADC 1080p Component1 / RGB adjustment
- Check connection both of Component1 and RGB
- MSPG-925FA -> Model: 225, Pattern 65
- MSPG-925FA -> Model: 225, Pattern 65
• Set Component 1080p mode and 100% Horizontal Color
Bar Pattern(HozTV31Bar), then set TV set to
Component1 mode and its screen to “NORMAL”
Component1 mode and its screen to “NORMAL”
• After get each the signal, wait more a second and enter
the “IN-START” with press IN-START key of Service
remocon. After then select “7. External ADC” with
navigator button and press “Enter”.
remocon. After then select “7. External ADC” with
navigator button and press “Enter”.
• After Then Press key of Service remocon “Right
Arrow(VOL+)”
• You can see “ADC Component1 Success”
• Component1 1080p, RGB 1080p Adjust is same method.
• Component 1080p Adjustment in Component1 input
• Component1 1080p, RGB 1080p Adjust is same method.
• Component 1080p Adjustment in Component1 input
mode
• RGB 1080p adjustment in RGB input mode
• If you success RGB 1080p Adjust. You can see “ADC
• If you success RGB 1080p Adjust. You can see “ADC
RGB-DTV Success”
5.2 EDID (The Extended Display
Identification Data) / DDC (Display Data
Channel) Download.
Channel) Download.
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Summary
• It is established in VESA, for communication between PC
and Monitor without order from user for building user
condition. It helps to make easily use realize “Plug and
Play” function.
condition. It helps to make easily use realize “Plug and
Play” function.
• For EDID data write, we use DDC2B protocol.
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Auto Download
• After enter Service Mode by pushing “ADJ” key,
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
• Enter EDID D/L mode.
• Enter “START” by pushing “OK” key.
=> Caution : - Never connect HDMI & D-sub Cable when
the user downloading .
- Use the proper cables below for EDID
Writing.
§ Edid data and Model option download (RS232)
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