Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LNS2738DX LNS2738DX_SI_1410857095
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LCD TV Bordeaux
TRAINING MANUAL
(LNS2738DX/LNS3238DX)
Agenda
I. Understanding of LCD TV
II. Inside of Bordeaux Model
III. Board description
IV. Disassembly
V. Trouble Shooting
VI. Attachment
. Understanding of LCD TV
UNDERSTANDING
OF LCD TV
. Understanding of LCD TV
CONTENTS
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
. Understanding of LCD TV
LCD TV Advantage
High Sharpness, Resolution
Thin and Light ( 40 Inch is 5cm thickness )
Low Power Consumption
Real HDTV
Long Life
. Understanding of LCD TV
Basic Theory Of LCD PANEL
A) Lamp Make Light
B) TFT Adjust LCD Array
C) LCD Array can Adjust Light amount (Like Camera Iris )
D) Color Filter Make RGB Color
A) B) C)
D)
A) Back Light B) TFT C) LCD D) Color Filter
. Understanding of LCD TV
Basic Block of LCD TV
Developement Part
LCD Panel
Digital
A/D Converter Signal
Graphic Signal Processor
(IMAGE SCALER)
Analog/
Digital SMPS
Signal Audio
Analog RF/VIDEO/S_VIDEO/PC ....
Digtal HDMI/DVI
. Understanding of LCD TV
Basic Block of Main PBA
Block Diagram
Analog Part Digital Part
(PC )
ADC
IMAGE LVDS
RF SCALER
VIDEO
S-VIDEO Video LCD
Component
ADC PANEL
Decoder
+5V
P Inverter
O +3.3V Micom
W
E +12V
R Audio Speaker
. Understanding of LCD TV
What is SCALER?
- 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
. Understanding of LCD TV
Signal types
1. RF(Radio Frequency)
- 50~900Mz Frequency Domain
- Composite signal+sound signal
2. CVBS(Usually AV)
- Composite video and sound signal
3. Super VHS
- Separate Y and C from composite signal
4. RGB
- Usually use PC, 15pin D-sub
5. Analog Component (Y,Pb,Pr)
- Usually Component
6. 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
. Understanding of LCD TV
TV signal connector types
Composite Component
S-Video
HDMI HDMI Cable
. Inside of Bordeaux Model
Inside of
Bordeaux Model
. Inside of Bordeaux Model
CONTENTS
I. Introduction
II. General specification
III. Control & Connection Panel
IV. Block Diagram
V. Inner Features
VI. Some functions of Bordeaux
VII. Key Parts Explanation
. Inside of Bordeaux Model
Introduction
Best Picture Quality
Simple Function, New Design
Acceptable Price
Support HDMI
Some Functions ( Game Mode,
Energy Saving, Dynamic Contrast)
. Inside of Bordeaux Model
Items Bordeaux
Model Name LNS27**D LNS32**D
Size (W*D*H) w/o Stand 678*111*476 (mm) 804*113*564 (mm)
Display area 575.77(H) x 323.71(V) 697.6845(H) x 392.256(V)
Weight with Stand 13.3kg 19.2kg
Panel Resolution 1366*768 1366*768
A/V 1 AV 2 AV
S-Video 1 S-video 2 S-video
1 component 1 component
DVD
480i/p,720p,1080i 480i/p,720p,1080i
PC 1 Dsub 1 Dsub
HDMI 2 HDMI 2 HDMI
Tuner 1 ATSC Nim tuner 1 ATSC Nim tuner
Sound Output 16 ohm, 5W 8 ohm, 10W
General PIP O O
Sound option SRS TruSurround XT SRS TruSurround XT
DNIe O O
Headphone O O
Response time <8ms <8ms
Luminance [cd/m2, typical] 500 450
C/R [typical] 800 1000
Anynet X X
View Angle(H/V) 170/170 170/170
Power Supply AC 110~120V,60Hz AC 110~120V,60Hz
Power Consumption 133W 150W
Color System NTSC NTSC
Sound System BTSC BTSC
. Inside of Bordeaux Model
Items Bordeaux
Model Name LNS40**D
Size (W*D*H) w/o Stand 1004*115*680 (mm)
Display area 885.168(H) x 497.664(V)
Weight with Stand 27.5kg
Panel Resolution 1366*768
A/V 2 AV
S-Video 2 S-video
1 component
DVD
480i/p,720p,1080i
PC 1 Dsub
HDMI 2 HDMI
Tuner 1 ATSC Nim tuner
Sound Output 8 ohm, 10W
General PIP O
Sound option SRS TruSurround XT
DNIe O
Headphone O
Response time <8ms
Luminance [cd/m2, typical] 450
C/R [typical] 1000
Anynet X
View Angle(H/V) 170/170
Power Supply AC 110~120V,60Hz
Power Consumption 218W
Color System NTSC
Sound System BTSC
. Inside of Bordeaux Model
Control & Connection Panel
. Inside of Bordeaux Model
Control & Connection Panel
. Inside of Bordeaux Model
Control & Connection Panel
. Inside of Bordeaux Model
Control & Connection Panel
. Inside of Bordeaux Model
Control & Connection Panel
. Inside of Bordeaux Model
Block Diagram
In/Out Jack SMC NOR 8MB In/Out Jack
ADD[0:24]
or OneNAND
KS1406 or
Lake Data [0:15]
32MB
ANT1
(Cable) KS1409 TS - ARM926EJS [SCLK, nSCLK] DDR
ATSC NIM Tuner (220~250MHz) Max. 125Mhz
DDR
K4H561638B USB
K4H511638B (Download)
- TS demux
I2C
& decoder
ANT2 Anynet
- USB1.1 UART
(Air) SIF Tuner_CVBS UART iPOD/Yepp
- Audio processor MAX3223
DAC I2S out (CalmRISC) EEPROM
HDMI2 PCM1754 - Audio IO SW
24C256
(Option) (I2S /SPDIF Tx)
YCbCr (4:2:2) SPDIF out(DTV/HDMI) I2C
I2C
[SVP_CLK, SVP_HS, SVP_VS] Master
27 / 74.175Mhz IR, Key
HDMI1 Control
DIN[0:15] SW Panel
PI3HDMI SW Micom
SWITCH I2S out 866B
DVI Audio HDMI1 ADD[0:7]
HDMI DATA[0:7]
Rx
PC Display Panel
DDR 1366 x 768
RGB,H,V SVP-PX 4M x 32
Inverter on/off
PWM/Ana
dimming
[DDR_MCLK0#, DDR_MCLK0]
Max. 166Mhz LVDS
COMPONENT LBE
YPbPr LVDS
Tuner_CVBS I2C
VIDEO1 S-VIDEO1
CVBS1,Y/C1
CVBS2,Y/C2 I2C SPDIF out
SIF SPDIF in
SPDIF out
LM4810 Head phone
Audio SW HP out
VIDEO2 S-VIDEO2 L/R in Audio
74HC4052 L/R out1 Audio out
1,2 Processor
STV8258/7 L
L/R in1 Audio AMP
I2S out1
L/R in2 STA323W Speaker
I2C R
I2C
. Inside of Bordeaux Model
Inner Feature of 23"
Power, Main Board, Panel(with Inverter)
INVERTER POWER B'D
MAIN B'D
SPEAKER
. Inside of Bordeaux Model
Inner Feature of 32"
Power, Main Board, Panel(with Inverter)
INVERTER
POWER B'D
MAIN B'D
SPEAKER
. Inside of Bordeaux Model
Inner Feature of 40"
Power, Main Board, Panel(with Inverter)
IP Panel
IP Board
MAIN B'D
SPEAKER
. Inside of Bordeaux Model
Some Functions of
Bordeaux
My Color Control : Preferred Color Adjustment (
Blue, Green, Pink )
Dynamic Contrast : Enhancing Contrast Ratio
(Up to 1600:1)
Brightness Sensor : Sensing the outside
brightness and controlling brightness
. Inside of Bordeaux Model
Some Functions of
Bordeaux
-Dynamic Contrast
Reproducing optimized contrast by detecting the
characteristics and contrast level of input signal.
Enhancing dynamic contrast (Up to 1600:1)
Out
Out
Mid range dynamic
In
In range Enhancement
Out Out
Contrast
In In Enhancement
Luma Luma Luma
Dimming
Y Y Y
. Inside of Bordeaux Model
Some Functions of
Bordeaux
-Contrast Enhancement Factor
OUT
255
Gamma Curve
200
120
IN
110 190 255
. Inside of Bordeaux Model
Some Functions of
Bordeaux
-Contrast Enhancement & Dimming
Output
V
4
0 255
MEAN
0
< Dark Image > MEAN
Input < Analog Dimming
C MEAN U
>
Output
Duty(%)
98
0 255
MEAN 50
< Bright Image > Input MEAN
C MEAN U
< PWM Dimming
>
. Inside of Bordeaux Model
Some Functions of
Bordeaux
User control functions
1. Source key : Select Video source
1.1 : Cabinet side Function key
TVAV1AV2S-Video1S-Video2ComponentPCHDMI1 HDMI2
1.2 : Remote control Function key
TVAV1AV2S-Video1S-Video2ComponentPCHDMI1HDMI2
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.
- Red : Power Off or Disconnected Signal Cable.
- Red Blinking : PC DPMS Mode.
. Inside of Bordeaux Model
Some Functions of
Bordeaux
OSD functions and adjustments
1. Input - TV/Video Change the image
TVAV1AV2S-Video1S-Video2ComponentPC HDMI1HDMI2
Edit Name : Edit Mode Name
2. Picture
- Mode : Change the image to Standard/Dynamic/Movie or adjust Custom
setting.
- Custom setting : Contrast/Brightness/Sharpness/Color/
Tint
- Color Tone : Change the display color to Warm1/Warm2/Normal/Cool1/Cool2.
- Size : Change the aspect ratio
AutoWide/16:9/Zoom/ 4:3
(Enable mode: RF, AV, Component 480i/p the others: disable )
Wide/Zoom/ 4:3 (Enable mode: Component 720p, 1080i, the others: disable)
Wide/Normal(4:3) (Enable mode: PC&DVI the others: disable)
- Digital NR : Noise Reduction Filter On/Off
- DNIe DEMO: Compare Original and enhanced image (On/Off)
. Inside of Bordeaux Model
Some Functions of
Bordeaux
OSD functions and adjustments ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo