Read LG 26LU50FR-LA / 26LU50FR-TA (CHASSIS:LP91A) Service Manual online
4.5. Check SW Version
(1) Method
1) Push In-star key on Adjust remote-control.
2) SW Version check
2) SW Version check
Check “SW VER : V3.xx”
5. PCB assembly adjustment method
5.1. Input Area-Option
(1) Profile : Must be changed the Area option value because
being different of each Country’s Language and
signal Condition.
signal Condition.
(2) Equipment : adjustment remote control.
(3) Adjustment method
(3) Adjustment method
- The input methods are same as other chassis.(Use IN-
START Key on the Adjust Remote control.)
Refer to Job Expression of each main chassis ass’y
(EBTxxxxxxxx) for Option value.
(EBTxxxxxxxx) for Option value.
* White Balance Adjustment
- Purpose : Adjust the color temperature to reduce the
deviation of the module color temperature.
- Principle : To adjust the white balance without the saturation,
Fix the one of R/G/B gain to 192 (default data)
and decrease the others.
and decrease the others.
- Adjustment mode : Three modes – Cool / Medium / Warm
- Required Equipment
- Required Equipment
1) Remote controller for adjustment
2) Color Analyzer : CA100+ or CA-210 or same product -
2) Color Analyzer : CA100+ or CA-210 or same product -
LCD TV( ch : 9 ),
(should be used in the calibrated ch by CS-1000)
3) Auto W/B adjustment instrument(only for Auto adjustment)
5.2. Adjustment of White Balance
(For automatic adjustment)
* LP91A~D Support RS-232C & I2C DDC Communication-
White Balance Mode.
(1) Enter the adjustment mode of DDC
- Set command delay time : 50ms
- Enter the DDC adjustment mode at the same time heat-
- Enter the DDC adjustment mode at the same time heat-
run mode when pushing the power on by power only key
- Maintain the DDC adjustment mode with same condition
of Heat-run => Maintain after AC off/on in status of Heat-
run pattern display)
run pattern display)
(2) Release the DDC adjustment mode
- Release the adjust mode after AC off/on or std-by off/on
in status of finishing the Hear-run mode
- Release the Adjust mode when receiving the aging off
command(F3 00 00) from adjustment equipment.
- Need to transmit the aging off command to TV set after
finishing the adjustment.
- Check DDC adjust mode release by exit key and release
DDC adjust mode)
(3) Enter the adjust mode of white balance)
- Enter the white balance adjustment mode with aging
command (F3, 00, 00)
(4) Release the adjust mode of white balance
- Release the white balance adjustment mode with aging
command (F3, 00, FF)
* Luminance min value is 150cd in the Cool/Medium/Warm
mode(For LCD)
- 12 -
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