Read LG 47SL90QR-LA / 47SL90QR-TA (CHASSIS:LP91L) Service Manual online
* Caution
- Do not connect external input cable
- Adjustment result is applied after SET Off/On
- Adjustment result is applied after SET Off/On
(1) Process
1) Change the Input to RGB mode.
2) Press ADJ key on R/C for adjustment.
3) Enter Password number. Password is “0 0 0 0”.
4) Select “0. ADC calibration : RGB” by using
2) Press ADJ key on R/C for adjustment.
3) Enter Password number. Password is “0 0 0 0”.
4) Select “0. ADC calibration : RGB” by using
D
/
E
(CH +/-)
and press ENTER(
A
).
5) ADC adjustment is executed automatically .
6) When ADC adjustment is finished, this OSD appear.
6) When ADC adjustment is finished, this OSD appear.
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 assembly
(EBTxxxxxxxx) for Option value.
(EBTxxxxxxxx) for Option value.
A
A
White Balance adjustment
(1) Purpose : Adjust the color temperature to reduce the
deviation of the module color temperature.
(2) 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.
(default data) and decrease the others.
(3) Adjustment mode : Three modes - Cool / Medium / Warm
(4) Required Equipment
(4) Required Equipment
1) Remote control 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)
(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)
- Connecting diagram of equipment for measuring
* LP91L Support RS-232C & I2C Interface For ADC/DDC
adjustment
(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 stand-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, FF)
(4) Release the adjust mode of white balance
- Enter 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 -
OK
RF input
AV/Component/RGB input
NO SIGNAL or White noise
NO SIGNAL
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