LG 50PJ250R-TA / 50PJ251R-TB (CHASSIS:PP01A) Service Manual ▷ View online
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V
Model General Specification
(1) NON-EU (TA)
No
Item
Specification
Remark
1
Market
NON EU
2
Broadcasting system
PAL/SECAM-BG/I/DK, NTSC-M
3
Available Channel
BAND
PAL
NTSC
China(DK)
Australia(BG)
VHF/UHF
E2~C69
2~78
VHF/UHF
C1~C62
C1~C75
CATV
S21~S47
1~71
CATV
S1~S41
S2~S44
4
Receiving system
Upper Heterodyne
5
Video Input (2EA)
PAL,SECAM, NTSC
Rear 1EA, Side 1EA
6
Component Input (2EA)
Y/Cb/Cr, Y/ Pb/Pr
7
RGB Input (1EA)
RGB-PC
8
HDMI Input 2ea
HDMI-DTV , Only PCM MODE
Side HDMI(1), Rear HDMI(1)
: 42/50PJ250-TA only
3ea
Side HDMI(1), Rear HDMI(2)
9
Audio Input (5EA)
L/R Input(PC 1EA, Component 2EA,
Rear 1EA, Side 1EA)
10
RS-232C (1EA)
Remote control
11
USB Input (1EA)
SD DivX, MP3, JPEG,
PJ250R Rear USB only for service
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A
Chroma & Brightness (Optical)
(1) (With 38% Filter) 50” T1 module
No
Item
Min
Typ
Max
Unit
Remark
(*) Special Peak Brightness Mode
- 1/ 100 ~ 3/ 100 white window Pattern
60Hz : 426
60Hz : 473
-
cd/ m
2
(typically 1% window size)
50Hz : 369
50Hz : 410
- Picture Mode : Vivid
1
White peak Brightness
- Mode : HDMI
- Resolution : 1920 x 1080 60H
60Hz : 158
60Hz : 173
-
cd/ m
2
(*) Normal Mode
50Hz : 158
50Hz : 173
- 25/ 100 white window pattern
- Picture Mode : Vivid
2
White average brightness
60Hz : 47
60Hz : 54
- Full White Pattern
50Hz : 44
50Hz : 50
cd/ m
2
- Picture Mode : Vivid
3
Brightness uniformity
-10
0
+10
- 85IRE Full White Pattern
- Picture Mode: Vivid
White
X
0.270
0.285
0.300
White 216 level pattern
Y
0.278
0.293
0.308
Red/ Green/ Blue : 255 level pattern
Red
X
0.635
0.640
-
4
Color
Y
0.318
0.330
0.340
coordinate
Green
X
0.242
0.300
0.305
Y
0.595
0.600
-
Blue
X
-
0.150
0.158
Y
-
0.060
0.070
5
Contrast ratio at dark room
100,000: 1
1,000,000 :1
- White : 1/ 100 White Window Pattern
( Peak Mode )
- Black : Full Black
- Picture Mode : Vivid
6
Color coordinate uniformity
-0.01
Average
+0.01
- 85IRE Full White Pattern
- Picture Mode : Vivid
Cool
X
0.261
0.276
0.291
- 85IRE Full White Pattern
Y
0.268
0.283
0.298
- Picture Mode : Vivid
7
Colour
Medium
X
0.270
0.285
0.300
- Warm, Cool : Color Temp. UI 30
Temperature
Y
0.278
0.293
0.308
- Medium : Color Temp. UI 0
Warm
X
0.298
0.313
0.328
Y
0.314
0.329
0.344
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ADJUSTMENT INSTRUCTION
1. Application Range
This spec sheet is applied to all of the PP01A chassis.
2. Specification
(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 100~240V,
50/60Hz.
(5) The receiver must be operated for about 5 minutes prior to
the adjustment when module is in the circumstance of over
15°
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
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,.
15°C for 3 hours,.
3. S/W Program Download
3-1. Profile
This is for downloading the s/w to the flash memory of the
IC402
IC402
3-2. Equipment
(1) PC
(2) ISP_tool program
(3) Download jig
(2) ISP_tool program
(3) Download jig
3-3. Connection Structure
3-4. 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
3-5. Download Method (By using MSTAR JIG)
(1) Preliminary Steps
1) Connect the download jig to D-sub jack
2) Connect the PC to USB jack
(2) Download Steps
1) Execute ‘ISP Tool’ program in PC, then a main window will
be opened
2) Click the connect button and confirm “Dialog Box”.
Double click
3) Click the Config button and Change speed
E2PROM Device setting : over the 350Khz
4) Read and write bin file
Click “(1)Read” tab, and then load download file(XXXX.bin)
by clicking “Read”.
by clicking “Read”.
5) Click “Auto(2)” tab and set as below
6) Click “Run(3)”.
7) After downloading, check “OK(4)” message.
6) Click “Run(3)”.
7) After downloading, check “OK(4)” message.
3-6. Download Method (By using USB
Memory Stick)
Caution
- Using ‘power on’ button of the control R/C, power on TV.
- USB file (EPK) version must be bigger than downloaded
- USB file (EPK) version must be bigger than downloaded
version of main B/D.
- It should be only one SW binary file in USB Stick
(1) Using ‘Power ON’ button of the control R/C, Power on TV.
(2) Insert the USB memory stick to the SET.
(3) Display USB loding message then, push the ‘Exit’ Key of
(2) Insert the USB memory stick to the SET.
(3) Display USB loding message then, push the ‘Exit’ Key of
control R/C
(4) Push the ‘MENU’ Key and move the cusor ‘OPTION’ of
OSD ( Fig. 1)
* Caution: Don’t push the ‘OK’ key.Just cusor is on the
‘OPTION’ menu.
(5) Push the “7” key of control R/C continuously.
Then, Display “TV Software Update” Pop-up menu. (Fig. 2)
(6) Select SW file (XXXX.bin) you want, push the “OK” Key.
(7) S/W download process is excuted automatically.
(7) S/W download process is excuted automatically.
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( Fig. 2)
( Fig. 1)
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