Read LG 22LK230-MA (CHASSIS:LP92R) Service Manual online
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ADJUSTMENT INSTRUCTION
1. Application Range
This specification sheet is applied to all of the LCD TV, LP92R
chassis.
chassis.
2. Specification
(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.
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
(3) The adjustment must be performed in the circumstance of
25 °C ± 5 °C of temperature and 65 % ± 10 % of relative
humidity if there is no specific designation.
humidity if there is no specific designation.
(4) The input voltage of the receiver must keep AC 100-220
V~, 50 / 60 Hz.
(5) The standard signal level is approved in 65 ± 1 dB µV.
(6) The receiver must be operated for over 5 minutes prior to
(6) The receiver must be operated for over 5 minutes prior to
the adjustment when module is in the circumstance of
above 15 ºC.
above 15 ºC.
G
In case of keeping module is in the circumstance of 0 °C,
it should be placed in the circumstance of above 15 °C
for 2 hours.
it should be placed in the circumstance of above 15 °C
for 2 hours.
G
In case of keeping module is in the circumstance of
below -20 °C, it should be placed in the circumstance of
above 15 °C for 3 hours.
below -20 °C, it should be placed in the circumstance of
above 15 °C for 3 hours.
3. Adjustment items
3.1. PCB assembly adjustment items
(1) Download the MSTAR main software(IC604, Mstar ISP Utility)
1) Using D/L Jig
(2) Input Tool-Option
(3) Check SW Version.
(3) Check SW Version.
3.2. SET assembly adjustment items
(1) Input Area option
(2) Adjustment of White Balance : Auto & Manual
(3) Input Tool-Option/Area option
(4) Preset CH information
(5) Factoring Option Data input
(2) Adjustment of White Balance : Auto & Manual
(3) Input Tool-Option/Area option
(4) Preset CH information
(5) Factoring Option Data input
4. PCB assembly adjustment method
4.1. Mstar Main S/W program download
4.1.1 Using D/L Jig
(1) Preliminary steps
1) Connect the download jig to D-sub(JK302) jack or
P301(4P) Wafer.
(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 : 350 Khz ~ 400 Khz
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