Read LG 50PQ30TD-SB (CHASSIS:PB91A) Service Manual online
4. Using RS-232C
Adjust 3 items at 3.1 PCB assembly adjustments “4.1.3
sequence” one after the order.
sequence” one after the order.
O
Adjustment protocol
See ADC Adjustment RS232C Protocol_Ver1.0
4-1. Necessary items before Adjustment items
(1) Pattern Generator : (MSPG-925FA)
(2) Adjust 480i Comp1 (MSPG-925FA:model :209 , pattern
(2) Adjust 480i Comp1 (MSPG-925FA:model :209 , pattern
:65)
(3) Adjust 1080p Comp1/RGB(MSPG-925FA:model :225 ,
pattern :65)
* If you want more information then see the below Adjustment
method (Factory Adjustment)
4-2. Adjustment sequence
(1) aa 00 00: Enter the ADC Adjustment mode.
(2) xb 00 40: Change the mode to Component1 (No actions)
(3) ad 00 10: Adjust 480i Comp1(Change the mode and
(2) xb 00 40: Change the mode to Component1 (No actions)
(3) ad 00 10: Adjust 480i Comp1(Change the mode and
adjustment action)
(4) xb 00 60: Change to RGB-DTV mode(No action)
(5) ad 00 10: Adjust 1080p Comp1/RGB(Change the mode
(5) ad 00 10: Adjust 1080p Comp1/RGB(Change the mode
and adjustment action)
(6) xb 00 90: End of the adjustment
5. Auto Adjust Component
480i/1080p RGB 1080p
5-1. Summary
Adjustment component 480i/1080i and RGB 1080p is Gain
and Black level setting at Analog to Digital converter, and
compensate the RGB deviation
and Black level setting at Analog to Digital converter, and
compensate the RGB deviation
5-2. 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)
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)
* You must make it sure its resolution and pattern cause every
instrument can have different setting
5-3. Adjustment method 480i Comp1,
Adjust 1080p Comp1/RGB
(Factory adjustment)
(1) ADC 480i Component1 adjustment
- Check connection of Component1
- MSPG-925FA ==> Model: 209, Pattern 65
- MSPG-925FA ==> Model: 209, Pattern 65
(2) ADC 1080p Component1 / RGB adjustment
- Check connection both of Component1 and RGB
- MSPG-925FA ==> Model: 225, Pattern 65
- MSPG-925FA ==> Model: 225, Pattern 65
(3) Set Component 480i mode and 100% Horizontal Color Bar
Pattern(HozTV31Bar), then set TV set to Component1
mode and its screen to “NORMAL”
mode and its screen to “NORMAL”
(4) Set Component 1080p mode and 100% Horizontal Color
Bar Pattern(HozTV31Bar), then set TV set to Component1
mode and its screen to “NORMAL”
mode and its screen to “NORMAL”
(5) After get each the signal, wait more a second and enter
the “Ez-Adjust” with press ADJ key of Service remocon.
After then select “6. ADC Calibration” with navigator button
and press “Enter”. After Then “Start” Press ADJ key of
Service remocon “Enter”
After then select “6. ADC Calibration” with navigator button
and press “Enter”. After Then “Start” Press ADJ key of
Service remocon “Enter”
(6) After adjustment 480i Comp1, also automatically 1080p
Comp1 and RGB mode adjustment start.
(7) You can see “ADC Comp Success” and “ADC RGB
Success” message after Adjustment success
- 11 -
Adjustment pattern : 480i / 1080p 60Hz Pattern
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