Samsung Lnt2332hx_lnt2632hx_lnt3232hx_lnt3732hx_lnt4032hx Lcd Tv Training Manual
Transcript of Samsung Lnt2332hx_lnt2632hx_lnt3232hx_lnt3732hx_lnt4032hx Lcd Tv Training Manual
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LCD TV sonoma2
TRAINING MANUAL
LNT**32H
LCD TV sonoma2
TRAINING MANUAL
LNT**32H
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AgendaAgenda
I. Understanding of LCD TV
II. Inside of Sonoma2
III. Board description
IV. Disassembly
V. Trouble Shooting
VI. Attachment
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Ⅰ. Understanding of LCD TV
UNDERSTANDINGOF LCD TV
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Ⅰ. Understanding of LCD TV
CONTENTSCONTENTS
I. LCD TV advantage
II. Basic theory of LCD PANEL
III. Basic block of LCD TV
IV. Basic block of main PBA
V. What is scaler?
VI. TV signal types
VII. TV connector types
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LCD TV Advantage
Ⅰ. Understanding of LCD TV
High Sharpness, Resolution
Thin and Light
Low Power Consumption
Real HDTV
Long Life
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Basic Theory Of LCD PANEL
Ⅰ. Understanding of LCD TV
A) B) C) D)
A) Back Light B) TFT C) LCD D) Color Filter
A) Lamp Make LightB) TFT Adjust LCD ArrayC) LCD Array can Adjust Light amount (Like Camera Iris )D) Color Filter Make RGB Color
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Basic Block of LCD TV
Ⅰ. Understanding of LCD TV
Analog/Digital
Signal
Digital
Signal
Developement Part
A/D Converter
Graphic Signal Processor(IMAGE SCALER)
SMPS
Audio
LCD Panel
◆ Analog → RF/VIDEO/S_VIDEO/PC ....◆ Digtal → HDMI/DVI
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Ⅰ. Understanding of LCD TV
Basic Block of Main PBA
BlockDiagram
(PC )
P
O
W
E
R
LCDPANEL
+5V
+12V
ADCIMAGESCALER
Micom
AnalogPart DigitalPart
RF
VIDEO
S-VIDEOComponent
+3.3V
LVDS
Inverter
Audio Speaker
ADCVideoDecoder
HDMI
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What is SCALER?
Ⅰ. Understanding of LCD TV
- CRT can display any resolution picture without conversion but LCD and PDP can do only with scaler- Accepting input images from multiple sources and displaying them on any flat panel display- Scaler is most important IC in flat panel display
Scaler
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1. RF(Radio Frequency) - 50~900Mz Frequency Domain - Composite signal+sound signal2. CVBS(Usually AV) - Composite video and sound signal3. Super VHS - Separate Y and C from composite signal4. RGB - Usually use PC, 15pin D-sub 5. Analog Component (Y,Pb,Pr) - Usually Component6. Digital Component(Y,Cb,Cr)7. DVI(Digital Visual Interface) - Standard from DDWG(Digital Display Working Group) - TMDS(Transition Minimized Differential Signaling Signal) 8. HDMI(High Definition Multimedia Interface) - DVI+Digital Sound
Signal types
Ⅰ. Understanding of LCD TV
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TV signal connector types
Ⅰ. Understanding of LCD TV
Composite
S-Video
Component
HDMI HDMI Cable
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Ⅱ. Inside of Sonoma2
Inside of Sonoma2
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CONTENTSCONTENTS
I. Introduction
II. General specification
III. Control & Connection Panel
IV. Block Diagram
V. Inner Features
VI. Some functions of Sonoma2
VII. Key Parts Explanation
Ⅱ. Inside of Sonoma2
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IntroductionIntroduction
Best Picture Quality - Using the wide color gamut panel
Simple Function, New Design - Minimalism, Blue Sunset
Support USB, HDMI
Some Functions - Dynamic contrast, Energy Saving
Ⅱ. Inside of Sonoma2
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Items Specification Model Name LNT2332H/LNT2632H
General
Size (W*D*H) with Stand LNT2332H :26.5 x 8.9 x 18.3 inches LNT2632H :29.7 x 8.9 x 20.4 inches
Weight with StandLNT2332H : 17.6 lbsLNT2632H : 23.6 lbs
Panel Resolution 1366*768A/V 1 AV
S-Video LNT2332H / LNT2632H : 1 S-Video
DVD 2 component
PC 1 Dsub HDMI 2 HDMITuner BN40-00097A (HALF NIM TUNER)
Sound Output 16 ohm, 6W(FOR 23”), 10W(FOR 26”)PIP O
Sound option SRS TruSurround XTDNIe O
Headphone OResponse time <8ms
Luminance [cd/m2, typical] 450C/R [typical] 900
Anynet XView Angle(H/V) 178/178
Power Supply AC 110~120V,60Hz
Power ConsumptionLNT2332H : 100W (<1W, stand by)LNT2632H : 130W (<1W, stand by)
Color System NTSCSound Type MTS
Ⅱ. Inside of Sonoma2
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Items Sonoma2 Model Name LNT3232H/LNT3732H/LNT4032H
General
Size (W*D*H) with Stand LNT3232H : 35.1 x 3.2 x 21.4 inches LNT3732H : 40.4 x 13 x 27.5 inchesLNT4032H : 43.3 x 13 x 28.8 inches
Weight with StandLNT3232H : 30.6 lbsLNT3732H : 49.6 lbsLNT4032H : 52.2 lbs
Panel Resolution 1366*768A/V 2 AV
S-Video 2 S-video
DVD2 component
480i/p,720p,1080iPC 1 Dsub
HDMI 2 HDMI Tuner 1 Half Nim tuner
Sound Output 8 ohm, 20WPIP PIP(PC only)
Sound option SRS TruSurround XTDNIe O
Headphone OResponse time <8ms
Luminance [cd/m2, typical] 500C/R [typical] 800
Anynet XView Angle(H/V) 140/140
Power Supply AC 110~220V,60HzPower Consumption < 195W (<1W, stand by)Color System ATSC, NTSC3.58Sound Type BTSC
Ⅱ. Inside of Sonoma2
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■ Difference of sonoma2 and Bordeaux
Project Sonoma2 Boredeaux
Panel 1366x768 1366x768
IC - Lineup X242 – FBE2X Lake - SVP PX – FBE1
Size 23”, 26”, 32”, 37", 40" 26", 32", 40"
Ⅱ. Inside of Sonoma2
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Spec ComparisonSpec Comparison
ModelSAMSUNG
(Sonoma2 26”)LNT2632H
SAMSUNG(Bprdeaux 26”)
LNS2651D
Design
Set Size 29.69 x8.9x20.4 inches
26.57x8.48x20.87 inches
PanelSize Diagonal 26” Diagonal 26”
Resolution 1366*768 1920 x 1080
Viewing angle H : 160 V : 160 H : 178 V : 178
Color System NTSC ATSC / NTSC
Tuner 1 1
FunctionContrast (cd/m2) 500 450
CR ( Dynamic ) 3000 : 1 ↑ 4000 : 1
Enhancer FBE2X DNIe4
Additional FunctionDynamic contrastMy color controlBrightness sensor
Energy savingWISELINKD-Net
Power Consumption 130W 133W
Ⅱ. Inside of Sonoma2
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Control & Connection PanelControl & Connection Panel
Ⅱ. Inside of Sonoma2
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Control & Connection PanelControl & Connection Panel
Ⅱ. Inside of Sonoma2
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Control & Connection PanelControl & Connection Panel
Ⅱ. Inside of Sonoma2
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Control & Connection PanelControl & Connection Panel
Ⅱ. Inside of Sonoma2
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Block DiagramBlock DiagramⅡ. Inside of Sonoma2
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IP Board, Main Board, Panel
Inner Feature of Jasmine Inner Feature of Jasmine 37”37”
IP BoardMain Board
Panel
Ⅱ. Inside of Sonoma2
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Some Functions of Sonoma2Some Functions of Sonoma2
Dynamic Contrast Enhancing Contrast Ratio (Up to 5000:1)
Energy Saving Realize Low Power Consumption by Selecting Energy Saving Level ( Off, Low, Middle, High )
Wide Color Gamut Richer and more vibrant colors
Ⅱ. Inside of Sonoma2
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- Dynamic contrast
※ Reproducing optimized contrast by detecting the characteristics and contrast level of input signal.
→ Enhancing dynamic contrast (Up to 3000:1)
In
Out
In
Out
Out
In
Out
In
Luma
Y Y Y
Mid range dynamic range Enhancement
Contrast Enhancement
Dimming
Luma Luma
Some Functions of Sonoma2Some Functions of Sonoma2
Ⅱ. Inside of Sonoma2
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OUT
110 190
120
200
255
255
IN
Gamma Curve
-Contrast Enhancement Factor
Some Functions of Sonoma2Some Functions of Sonoma2
Ⅱ. Inside of Sonoma2
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-Contrast Enhancement & Dimming
2550MEAN
2550MEAN
Input
Output
MEAN UC
MEAN
V
4
0
< Analog Dimming >
MEAN
Duty(%)
98
50
< PWM Dimming >
Input
Output
MEAN UC
< Dark Image >
< Bright Image >
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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Energy Saving
• Basic Operation of Energy Saving function
Off Low Middle High
Energy Saving
Middle
Low
Off
High
• 100 %
• 90 %
• 75 %
• 60 %
Wattage
Energy Saving Level
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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Wide Color GamutNTSC StandardNTSC Standard
CurrentCoverage
(CCFL)WCG CCFLCoverage
100% 127%
Normal CCFL CRTWide color
CCFL
LED
(Ultra Wide Color Gamut)
NTSC 72% 76% 92% 105%
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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User control functions
1. Source key : Select Video source 1.1 : Cabinet side Function key TV→AV1→AV2→S-Video1→(S-Video2)→Component→PC→HDMI1→HDMI2 1.2 : Remote control Function key TV→AV1→AV2→S-Video1→(S-Video2)→Component→PC→HDMI1→HDMI2 2. Menu key : Open the OSD and Exit the highlighted function.
3. ◀ ▶ : - Moves the selector left or right on the OSD. - Increase or decrease the values of the selected function - VOL + : Increase or decrease the level of audio volume. (in the Anynet mode, You can control only TV volume)
4. ▼ ▲ : Moves the selector up or down on the OSD. - CH + : Increase or decrease the channel number .
5. Power : 1) Turn ON/OFF the TV. 2) Indicates the status of the Monitor. - Black : Normal Operation. - on : Power Off or Disconnected Signal Cable. - Blinking : PC DPMS Mode.
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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OSD functions and adjustments
1. Picture - Mode : Change the image to Standard/Dynamic/Movie or adjust Custom setting. Contrast/Brightness/Sharpness/Color/Tint/Backlight Color Tone : Warm1/Warm2/Normal/Cool1/Cool2. - Detailed Settings - Size : Change the aspect ratio 16:9/Zoom1/Zoom2/ 4:3 (Enable mode: RF, AV, Component 480i/p the others: disable ) 16:9/4:3 (DTV, Comp720p/1080i, HDMI, PC mode) - Digital NR : Noise Reduction Filter On/Off - Active Color - DNIe : Select DNIe function (off/demo/on) - Reset
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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2. Sound : - Mode : Change the sound mode to Standard/Music/Movie/Speech or adjust Custom setting. Equalizer : Change EQ. and balance - Equalizer - SRS TSXT : Select mode of SRS (Off/3D Mono/Stereo) - Multi-Track Option : Preferred Languages / Multi-Track Sound - Auto Volume : On/Off - Internal Mute : On/Off - Sound Select : Main/Sub (at PIP Mode) - Reset3. Channel - Antenna/Auto Program/Clear Scrambled Channel/Channel List/Name/Fine Tune/Signal Strength/LNA
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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OSD functions and adjustments –continue- 4. Setup - Plug & Play - Language : Select country language - Time : Clock / Sleep Timer - Game Mode : On/Off - V-Chip - Caption - Menu Transparency : High/Medium/Low/Opaque - Blue Screen : Turn On/Off - Melody : Off/Low/Medium/High - PC(at PC Mode) : Image Lock - Setting the Coarse/Fine Position : Change the position of image Auto Adjustment : Execute auto adjustment Image Reset : Change the Coarse/Fine as default Resolution - Home Theater PC(at PC Mode) - Energy Saving : Off/Low/Medium/High - HDMI Black Level - Film Mode
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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OSD functions and adjustments –continue- - PIP(at PC Mode) : PIP On/Off Position Channel - Function Help : On/Off - SW Upgrade
5. Input - TV/Video Change the image Source List :TV→AV1→AV2→S-Video1→S- Video2→Component→PC→HDMI1→HDMI2(→HDMI3 at 32”,40”,46”)
Edit Name : Edit Mode Name
Ⅱ. Inside of Sonoma2
Some Functions of Sonoma2Some Functions of Sonoma2
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Key parts of Key parts of Sonoma2Sonoma2
1. DTV Chip : FBE2X
2. AUDIO : MSP4450K
3. SCALER : X242
4. Audio Block
5. HDMI
Ⅱ. Inside of Sonoma2
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SCALER: X242
Ⅱ. Inside of Sonoma2
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Audio Block
Ⅱ. Inside of Sonoma2
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AUDIO: MSP4450K
Ⅱ. Inside of Sonoma2
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PIP/POP Table
MainSub
Analog Digital AV S-Video Comp HDMI PC
Analog x x x x x x o
Digital x x x x x x X
AV,CompHDMI, PC
x x x x x x x
Ⅱ. Inside of Sonoma2
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Sub micom pin map
Ⅱ. Inside of Sonoma2
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BOARDDESCRIPTION
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1. Main B’D Layout
2. Main B’D Pin Characteristic
3. IP Board
4. Power B’D Layout
5. Power B’D Pin Characteristic
CONTENTSCONTENTS
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MAIN BOARD LAYOUT : Sonoma2MAIN BOARD LAYOUT : Sonoma2
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CN100 – main power
Main board connector pin mapMain board connector pin map
1 GND
2 ANA_DIM
3 PWM_DIM
4 SW_inverter
5 STB_5V
N1300L
FUNCTING DEFINE: -- BKLT_EN : Back Light enable / disable -- ANA_DIM : panel dimming control -- PWM_DIM : panel dimming control
ON/OFF 1 N.C. 2
GND 3 GND 4
GND 5 GND 6
12V 7 12V 8
GND 9 GND 10
GND 11 GND 12
5.3V 13 5.3V 14
5.3V 15 5.3V 16
GND 17 GND 18
13V 19 GND 20
13V 21 13V 22
N.C. 23 N.C. 24
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CN1302-Front control
FUNCTING DEFINE:
-- 5V Front control board power supply
-- KEY 1,2/SDA/SCL key control, form the Menu , channel up/down Etc.
-- IR remote control signal
-- LED : control the timing and standby LED color
Main board connector pin mapMain board connector pin map
1 TX0- 16 N.C.
2 TX0+ 17 GND
3 TX1- 18 GND
4 TX1+ 19SCL_LOGI
C
5 TX2- 20SDA_LOGI
C
6 TX2+ 21 TxD_LOGIC
7 TXCLK- 22 RxD_LOGIC
8 TXCLK+ 23 GND
9 TX3- 24 GND
10 TX3+ 25 GND
11 TX4- 26
12 TX4+ 27
13 TX5- 28
14 TX5+ 29
15 N.C. 30
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IV. Disassembly
DISASSEMBLY
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IV. Disassembly
Disassembly Sonoma2 (37”)
1. Place monitor face down on cushioned table. Remove screws from the rear cover and stand.
2. Remove the rear-cover and stand. <After #2>
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IV. Disassembly
4. Remove the screws of sub frame and remove it.
3. Remove the cables and screws of main board and power board.
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IV. Disassembly
6. Remove the screws of BLKT and lift up the BRKT.
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7. Pull the side AV to the inside.
Another Sonoma2 models are almost same to disassemble.
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TROUBLESHOOTING
V. Trouble Shooting
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CONTENTSCONTENTS
V. Trouble Shooting
I. Power Trouble Shooting
II. Analog Part
III. Digital Part
IV. Sound Part
V. Flow Chart & Waveforms
VI. White Balance
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A) Power Trouble Shooting
Power part is composed of power board and main board(small power)
Check connectors between power board and main board
Check main board power output on the board
When you check main board power(small power IC), There are two types of power IC. One is PWM type, another is regulator type. PWM type should check after inductor. Regulator type should check on the output pin.
Check each Voltage output
1 PWM Type 2 Regulator Type
Check After Inductor Check On Pin
V. Trouble Shooting
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B) Analog Part
It is easy to check analog video signal than digital video signal
Use reference signal input ( EX. 16 Gray)
Check Signal Level and sync
Check Signal path until input of Video decoder
( Tuner → Switch → Video Decoder, AV Connecter → Switch → Video Decoder, Scart → Switch → Video Decoder )
16 Gray Patten 16 Gray Wave Form
H-sync
Gray Level
V. Trouble Shooting
It is easy to check analog video signal than digital video signal
Use reference signal input ( EX. 16 Gray)
Check Signal Level and sync
Check Signal path until input of Video decoder ( Tuner → Switch → Video Decoder, AV Connecter → Switch → Video Decoder, Scart → Switch → Video Decoder )
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C) Digital Part
It is difficult to check digital video signal because of too fast and small signal
Check digital video signal, Use H-sync, V-sync and Clock for basic
Each digital video ICs connected with data line, H-sync, V-sync and Clock line
Check H-sync period, V-sync period, Clock period If period is out of spec, Change the IC
H-Sync
1 Period(15.63kHz)
V-Sync
1 Period(50Hz)
Clock
1 Period(13.5MHz)
V. Trouble Shooting
This example is Normal PAL TV signal Sync and Clock
It is difficult to check digital video signal because of too fast and small signal
Check digital video signal, Use H-sync, V-sync and Clock for basic
Each digital video ICs connected with data line, H-sync, V-sync and Clock line
Check H-sync period, V-sync period, Clock period If period is out of spec, Change the IC
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D) Sound Part
Sound block of Bordeaux is composed of Sound Processor, AMP, Speakers.
If there is no sound or sound noise ,Trace the sound path ( Input → Sound Processor → AMP → Speaker )
V. Trouble Shooting
TUNER
VIDEO
S-VIDEO
SCART
COMPONENT
PC
HDMI
SOUNDAMP
STVSound
ProcessorSPEAKER
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V. Trouble Shooting۞ No power
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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V. Trouble Shooting
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Entering Factory Mode
V. Trouble Shooting
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How to Access Service Mode
V. Trouble Shooting
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Factory Data - Calibration
V. Trouble Shooting
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Factory Data – Option Byte
V. Trouble Shooting
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Factory Data – White Balance
V. Trouble Shooting
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Factory Data – W/B Movie
V. Trouble Shooting
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Factory Data – Calibration Target
V. Trouble Shooting
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Factory Data – Calibration Value
V. Trouble Shooting
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Factory Data – MST3388
V. Trouble Shooting
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Factory Data – X242
V. Trouble Shooting
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Factory Data – X242 NTSC
V. Trouble Shooting
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Factory Data – FBE2
V. Trouble Shooting
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Factory Data – Sound
V. Trouble Shooting
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V. Trouble ShootingFactory Data – Dynamic
Contrast
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Conditions for Measurement
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White Balance (Adjustment)
V. Trouble Shooting
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White Balance (Adjustment)
V. Trouble Shooting
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White Balance (Adjustment)
V. Trouble Shooting
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USB Download Method
V. Trouble Shooting
(1) Copy the software file into the USB flash driver.(2) Turn on your LCD TV.(3) Insert the USB flash driver into the USB jack of LCD TV.(4) Press MENU key of your remote control.(5) Select Setup->SW Upgrade->USB.(6) The banner OSD “Scanning for USB. It may take up to 30 seconds.” is
displayed.(7) After OSD, press the enter key then upgrade will be started.(8) The banner OSD “Upgrading now…Please do not disconnect USB before upgrade is
completed.” is displayed.(9) The banner OSD “Upgrade is completed. Power will be off 3 seconds from now
and turned on automatically.” is displayed.(10) Remove the USB flash driver from LCD TV.(11) Check the program version.
*How to check Program Version.
1. Press “MENU”2. Select “SETUP”3. Select “INFORMATION HELP”4. Highlight “ON” option.5. Press “INFO” button on the remote control.
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USB Download Method
When you press ‘MENU->SETUP->SW Upgrade’ after inserting usb jack and turning on the TV, you’ll see above picture.
V. Trouble Shooting
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USB Download Method
Press “ENTER” then you`ll see above picture.
V. Trouble Shooting
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V. Trouble Shooting
USB Download Method
Press “ENTER”.
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V. Trouble Shooting
USB Download Method
Now the TV’s upgrading its software.
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USB Download Method
Complete mode (After completion, it will be reboot automatically.)
V. Trouble Shooting
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