LG 42PC52-ZD (CHASSIS:PP78A) Service Manual ▷ View online
- 5 -
V
Module Specification1
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
No
Item
Specification
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
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V
Module Specification2
( 42X4A module, Set with 32% Film filter, 60Hz)
White peak Brightness
White average brightness
Brightness uniformity
Color Coordinate
White
X
Y
Red
X
Y
Green
X
Y
Blue
X
Y
Color coordinate uniformity
Contrast ratio at dark room
Color Temperature
Normal
Warm
Cool
Color pull in Range
PAL
NTSC
Color killer Sensitivity
320
181
45
-10
0.250
0.260
0.660
0.290
0.230
0.660
0.125
0.035
-0.01
5000 :1
8300
5500
10000
-450
-450
-80
450
191
60
0
0.270
0.280
0.680
0.310
0.250
0.680
0.145
0.055
Average
15000 :1
9300
6500
11000
-
-
+10
0.290
0.300
0.700
0.330
0.270
0.700
0.165
0.075
+0.01
10300
7500
12000
+450
+450
1
2
3
4
5
6
7
8
9
No
Item
Remark
(*) Special Peak Brightness Mode
-1/100 ~ 3/100 white window Pattern
(typically 1% window size)
- Picture Mode : Dynamic
- Mode : component or hdmi
- Resolution : 720P
(*) Normal Mode
- 1/100 white window pattern
- Picture Mode : Clear (Dynamic)
- 25/100 white window pattern
- Full White Pattern
- Picture Mode : Clear (Dynamic)
- 85IRE Full White Pattern
- Picture Mode: Clear (Dynamic)
- 85IRE Full White Pattern
- APC : Clear (Dynamic)
- Must not be measured by CA-100
when measuring the chroma
coordinate
- 85IRE Full White Pattern
- APC : Clear (Dynamic)
- 1/100 White Window Pattern
- APC : Clear (Dynamic)
- 85IRE Full White Pattern
- APC : Clear (Dynamic)
cd/m2
cd/m2
cd/m2
cd/m2
Hz
Hz
dBm
Min Typ Max Unit
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ADJUSTMENT INSTRUCTION
1. Application Object
These instructions are applied to all of the 42” 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
- 8 -
=> 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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