19LU50R, 19LU51R (CHASSIS:LP91A) - LG TV Service Manual (repair manual). Page 9

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This specification sheet is applied to all of the LCD TV, LP91A
chassis.

1) Because this is not a hot chassis, it is not necessary to use

an isolation transformer. However, the use of isolation
transformer will help protect test instrument.

2) Adjustment must be done in the correct order.
3) The adjustment must be performed in the circumstance of

25 ±5 °C of temperature and 65±10% of relative humidity if
there is no specific designation.

4) The input voltage of the receiver must keep 100~220V,

50/60Hz.

5) Before adjustment, execute Heat-Run for 5 minutes at RF

no signal.

(1) Download the MSTAR main software

(IC800, Mstar ISP Utility)
1) Using D/L Jig
2) Using USB Memory Stick.

(2) Input Tool-Option/Area option.
(3) Download the EDID

- EDID datas are automatically download when adjusting

the Tool Option2

(4) ADC Calibration – RGB / Component
(4) Check SW Version.

(1) Input Area option
(2) Adjustment of White Balance : Auto & Manual
(3) Input Tool-Option/Area option
(4) Intelligent Sensor Inspection Guide
(5) Preset CH information
(6) Factoring Option Data input

4.1.1. Using D/L Jig

(1) Preliminary steps

1) Connect the download jig to D-sub(RGB) jack

(2) Download steps

1) Execute ‘ISP Tool’ program, the main window(Mstar ISP

utility Vx.x.x) will be opened

2) Click the “Connect” button and confirm “Dialog Box”

3) Click the “Config.” button and Change speed I2C Speed

setting : 350Khz~400Khz

4) Read and write bin file.

Click “(1)Read” tab, and then load download
file(XXXX.bin) by clicking “Read”.

 LH20/ LH30

1

Filexxx.bin

1

Filexxx.bin