LG 50PT255C-TA (CHASSIS:PP11K) Service Manual ▷ View online
LGE Display Division LG(51)
Establish : 2009-08-17
Reform : 2009-09-28
PP01A/B/C
Adjust Specification
5/
30
2 Specification.
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.
2.2 Adjustment must be done in the correct order.
2.3 The adjustment must be performed in the circumstance of 25±5
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.
2.4 The input voltage of the receiver must keep 100~240V, 50/60Hz.
2.5 The receiver must be operated for about
2.5 The receiver must be operated for about
5 minutes
prior to the adjustment when module is in the
circumstance of over 15
°
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
15°C for 2 hours
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,.
above 15°C for 3 hours,.
3
Adjustment items
3.1
PCB assembly adjustment items
z Option adjustment following BOM (Automatically EDID download )
z ADC Calibration
z ADC Calibration
3.2
SET assembly adjustment items.
z Adjustment of White Balance
z Factoring Option Data input
3.3
Manual Download Method
3.3.1 S/W Program download
Profile : This is for downloading the s/w to the flash memory of the IC402
3.3.1.1 Equipment
1) PC
2) ISP_tool program
3) Download jig
2) ISP_tool program
3) Download jig
3.3.1.2 Connection structure
PC
Main
B/D
Download jig
RGB cable
LGE
LGE Display Division LG(51)
Establish : 2009-08-17
Reform : 2009-09-28
PP01A/B/C
Adjust Specification
6/
30
Connection condition
1) IC name and circuit number : Flash Memory and IC402
2) Use voltage : 3.3V (5 pin)
3) SCL : 15 pin
4) SDA : 12 pin
5) Tact time : about 2min and 30seconds
2) Use voltage : 3.3V (5 pin)
3) SCL : 15 pin
4) SDA : 12 pin
5) Tact time : about 2min and 30seconds
3.3.1.3.
Download method ( By Using MSTAR JIG )
Preliminary
steps
(1) Download method (PCB Ass’y)
-HD
1) Connect the download jig to D-sub jack
2) Connect the PC to USB jack
LGE
LGE Display Division LG(51)
Establish : 2009-08-17
Reform : 2009-09-28
PP01A/B/C
Adjust Specification
7/
30
4.1.4 Download steps
(1) Execute ‘ISP Tool’ program in PC, then a main window will be opened
LGE
Double click
(2) Click the connect button and confirm “Dialog Box”.
(3) Click the Config button and Change speed
E2PROM Device setting : over the 350Khz
E2PROM Device setting : over the 350Khz
LGE Display Division LG(51)
Establish : 2009-08-17
Reform : 2009-09-28
PP01A/B/C
Adjust Specification
8/
30
LGE
(4) Read and write bin file
Click “(1)Read” tab, and then load download file(XXXX.bin) by clicking “Read”.
(1)
filexxx.bin
(5).Click “Auto(2)” tab and set as below
(6).click “Run(3)”.
(7) After downloading, check “OK(4)” message.
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