Read LG 42LG70YR (CHASSIS:LP81D) Service Manual online
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ADJUSTMENT INSTRUCTION
1. Application Range
These instructions are applied to all of the LCD TV, LP81D
Chassis.
Chassis.
2. Notice
2.1 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.
isolation transformer will help protect test instrument.
2.2 Adjustment must be done in the correct order.
2.3 The adjustment must be performed in the circumstance of
2.3 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.
there is no specific designation.
2.4 The input voltage of the receiver must keep 100~220V,
50/60Hz.
2.5 Before adjustment, execute Heat-Run for 30 minutes at
RF no signal.
3. Adjustment items
3.1 PCB assembly adjustment items
Download the MSTAR main software (IC801, Mstar ISP
Utility)
Utility)
3.2 SET assembly adjustment items
DDC Data input.
Adjustment of White Balance.
Factoring Option Data input
Adjustment of White Balance.
Factoring Option Data input
4. PCB assembly adjustment method
(Using MSTAR Download program)
4.1 S/W program download
4.1.1 Preliminary steps
(1) Download method 1 (PCB Assy)
(2) Connect the download jig to D-sub jack
(1) Download method 1 (PCB Assy)
(2) Connect the download jig to D-sub jack
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