DOWNLOAD LG 50PC52-ZD (CHASSIS:PP78A) Service Manual ↓ Size: 13.76 MB | Pages: 39 in PDF or view online for FREE

Model
50PC52-ZD (CHASSIS:PP78A)
Pages
39
Size
13.76 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pc52-zd-chassis-pp78a.pdf
Date

LG 50PC52-ZD (CHASSIS:PP78A) Service Manual ▷ View online

- 5 -
V
Module Specification2
Market
Broadcasting system
Available Channel
Receiving system
SCART Jack(2EA)
Video Input (1EA)
S-Video Input (1EA)
Component Input (1EA)
RGB Input(1EA)
HDMI Input(1EA)
Audio Input (5EA)
Audio variable out(1EA)
1
2
3
4
5
6
7
8
9
10
11
12
NoItem
Specificatio
n
Remark
EU
PAL-BG/I/DK, NTSC, SECAM
BAND
PAL
VHF/UHF
C1~C69
CATV
S1~S47
Upper Heterodyne
PAL, SECAM, NTSC
PAL, SECAM, NTSC
PAL, SECAM, NTSC
Y/Cb/Cr, Y/Pb/Pr
RGB-PC
HDMI-DTV
PC Audio, Component(1EA), 
AV (2EA), SIDE AV(1EA)
FULL SCART, HALF SCART
SIDE AV
SIDE S-VIDEO
L/R Input
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
NoItem
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
- 6 -
ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied to all of the 50” PLASMA TV, 
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.
(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 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
3.2. SET assembly adjustment items
(1) DDC 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
(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
*LPT SETTING
- Delay => 1
- Time out => 500 ms
- 7 -
=> 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.
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
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)
- 8 -
(8) Click OK button at the "edit window".
(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
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)
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