LG 50PC5R-ZB (CHASSIS:PP78A) Service Manual ▷ View online
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V
Module Specification (PDP50X4)
Display area
Outline dimension
Number of Pixels
Cell pitch
Color arrangement
Weight(net)
Temperature
Operating Environment
Humidity
Pressure
Temperature
Storage Environment
Humidity
Pressure
Image stick
Start time
minimization
Low Brightness Arrival Time
mode
1106.5 (H) * 662.1(V)±0.5
1190 (W) x 700 (H) x 52 (D)±1
1366 (H) x 768(V)
270um (H) x 810um (V)
RGB closed type
13.8
14.3
14.8
0 ~ 40
20 ~ 80
800 ~ 1100
-20 ~ 60
10 ~ 90
700 ~ 1100
4.5
5
5.5
14
16
16
1
2
3
4
5
6
7
8
9
No
Item
Remark
1Pixel=3RGB Cells
1Pixel=3RGB Cells
Altitude : 0 to 2000M
Altitude : 0 to 3000M
mm
mm
um
Kg
deg
%
hPa
deg
%
hPa
min
min
Min Typ Max Unit
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ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied all of the 50” PLASMA TV,
PP78A
PP78A
Chassis.
2. Note
(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±5°C of temperature and 65±10% of relative humidity if
there is no specific designation.
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 30 minutes.
3. Adjustment items
3.1. PCB assembly adjustment items
(1) Download the VCTP main software (IC500,VCT_Pro)
(2) Channel memory (IC501,EEPROM)
(3) Color carrier Adjustment
(2) Channel memory (IC501,EEPROM)
(3) Color carrier Adjustment
3.2. SET assembly adjustment items
(1) DDC Data input.
(2) Adjustment of White Balance.
(3) Factoring Option Data input.
(2) Adjustment of White Balance.
(3) Factoring Option Data input.
4. PCB assembly adjustment method
(Using VCTP Download program)
4-1. Download program installation
(1) Extract a Zip file.
(2) Visual I2C & LPT Driver Installation.
LPT Port Driver (LptDrv) Setups : Program Files > Micronas >
Visual I2C > Port_Driver
*Use for Windows 95/98 : Setup_LptDrv_v0104_9x.exe
*Use for Windows 2000/XP : Setup_LptDrv_v0202_XP_2000.exe
*Use for Windows NT : Setup_LptDrv_v0104_NT.exe
*Use for Windows 2000/XP : Setup_LptDrv_v0202_XP_2000.exe
*Use for Windows NT : Setup_LptDrv_v0104_NT.exe
(3) Verification.(Start > Programs > Micronas > Visual I2C or
LptDrv)
(4) LPT delay setting.(File > Preference > LPT preferences)
(5) Exchange the “bootloader.bat” file.
Click the red area
Double click the Red
Install the LPT Driver
Install the Visual I2C
Install the Visual I2C
*LPT SETTING
- Delay => 1
- Time out => 500 ms
- Time out => 500 ms
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=> Select the "Bootloader.bat" file.
(install > VCTP_download > Bootloader)
=> Push "OK".
=> Finish the program, after saving the file "download_cs.vi2c".
(if you click , the massage appears automatically)
5. S/W program download
5-1. Profile
: This is for downloading the s/w to the flash memory of the
vctp(IC500)
5-2. Required Test Equipment
(1) PC.
(2) Visual IIC program.
(3) Download jig.
(2) Visual IIC program.
(3) Download jig.
5-3. Connection structure
6. Download method
6-1. Download method 1 (PCB Ass’y)
(1) Connect the download jig to D-sub jack.
(2) Execute ‘Download.vi2c’ program in PC, then a main
(2) Execute ‘Download.vi2c’ program in PC, then a main
window will be opened.
(3) Double click the blue box and confirm "Bootloader Version" as 42.
(4) Click the "Erase Flash" button.
(5) Double click the download file low, then "edit" window will
be opened.
(6) Click the choice button in the “edit window”, then “file
choice window” will be opened.
(7) Choose the Hex file in folder and execute downloading
with click " open" button.
x
You must verify the words of “0xfffff” in the black box of figure.
(In case of H3 Service it is 0x7ffff : If you make H4 service after
the H3 service, there could be some problem)
(In case of H3 Service it is 0x7ffff : If you make H4 service after
the H3 service, there could be some problem)
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(8) Click OK button at the "edit window".
(9) Under Downloading process.
(9) Under Downloading process.
(10) If download is failed, for example "No acknowledge from
slave". Execute download again from(1).
6-2.Download method 2 (AV Plate Ass’y)
(1) Push S/W ‘ON" (connect SCL to GND using switch at Jig )
and connect the download jig to D-sub jack.
(2) Supply the power (Stand-by 5V) and wait for 3 seconds.
(3) Push the S/W off.(Disconnect SCL to GND using switch at jig).
(4) Execute ‘Download.vi2c’ program in PC, then a main
widow will be opened.
(5) Double click the blue box and confirm "Bootloader Version" as 42.
(6) Click the "Erase Flash" button.
(7) Double click the download file low then, "edit" window will
be opened.
(8) Chick the choice button I n the "edit window", then "file
choice window’ will be opened.
(9) Click the “load > flash” button.
(10) Choose the Hex file in folder and execute downloading
(10) Choose the Hex file in folder and execute downloading
with click "open button".
Push S/W
Push S/W
A
You must verify the words of “0xfffff” in the black box(A) of figure.
(In case of H3 Service it is 0x7ffff : If you make H4 service after
the H3 service, there could be some problem)
(In case of H3 Service it is 0x7ffff : If you make H4 service after
the H3 service, there could be some problem)
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