Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung LCD TV LE37M86BD LE37M86BDX_SI_1274956623
<< Back | HomeMost service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.
Image preview - the first page of the document
>> Download LE37M86BDX_SI_1274956623 documenatation <<
Text preview - extract from the document
LCD TV MOSEL
TRAINING MANUAL
Agenda
I. Understanding of LCD TV
II. Inside of MOSEL 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
D e v e lo pe m e nt P a r t
L C D P ane l
D ig ital
A /D C o nv erte r S ig nal
G rap h ic S ig nal P ro ce s s o r
(IM A G E S C A L E R )
A nalo g /
D ig ital SM PS
S ig nal A udio
A n a lo g R F /V I D E O /S _V I D E O /P C ....
D ig ta l H D M I /D V I
. Understanding of LCD TV
Basic Block of Main PBA
B o D agram
l ck i
Anal og Par t Di gi tal Par t
( PC )
AC
D
I MG
AE LV S
D
RF SC LE
A R
VI DEO
S- VI DEO Vdo
i e LCD
SCART
AC
D PN
A EL
D co e
e dr
+5V
P I n rte
ve r
O +3. 3V Mi com
W
E +12V
R Audi o 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 MOSEL Model
Inside of Mosel
Model
. Inside of MOSEL Model
CONTENTS
I. Introduction
II. General specification
III. Control & Connection Panel
IV. Block Diagram
V. Inner Features
VI. Some functions of MOSEL
VII. Key Parts Explanation
. Inside of MOSEL Model
Introduction
Best Picture Quality
Simple Function, New Design
Acceptable Price
Support HDMI(DTV Only)
Some Functions (Dynamic Contrast,
Energy Saving)
. Inside of MOSEL Model
Items MOSEL
Model Name LE32M** LE40M**
Size (W*D*H) w/o Stand 800*252*602.5 (mm) 994*326*696 (mm)
Display area 575.77(H) x 323.71(V) 697.6845(H) x 392.256(V)
Weight with Stand 24.8kg 24.5kg
Panel Resolution 1366*768 1366*768
A/V 2 Scarts in back 2 Scarts in back
S-Video 1 S-video in side 1 S-video in side
1 component in back 1 component in back
DVD
480i/p,/576i/p,720p,1080i 480i/p,/576i/p,720p,1080i
PC 1 Dsub in back 1 Dsub in back
HDMI 2 HDMI in back 2 HDMI in back
Tuner 1 RF analog tuner 1 RF analog 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 <16ms <16ms
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 220~240V,60/50Hz AC 220~240V,60/50Hz
Power Consumption 100W 125W
Color System PAL/SECAM/NT4.43 PAL/SECAM/NT4.43
Sound System BG,DK,I,L BG,DK,I,L
. Inside of MOSEL Model
Items MOSEL
Model Name LE40M9**
Size (W*D*H) w/o Stand 994*326*696 (mm)
Display area 697.6845(H) x 392.256(V)
Weight with Stand 27.4kg
Panel Resolution 1366*768
A/V 2 Scarts in back
S-Video 1 S-video in side
1 component in back
DVD
480i/p,/576i/p,720p,1080i
PC 1 Dsub in back
HDMI 2 HDMI in back
Tuner 1 RF analog tuner
Sound Output 8 ohm, 10W
General PIP O
Sound option SRS TruSurround XT
DNIe O
Headphone O
Response time <16ms
Luminance [cd/m2, typical] 450
C/R [typical] 1000
Anynet X
View Angle(H/V) 170/170
Power Supply AC 220~240V,60/50Hz
Power Consumption 125W
Color System PAL/SECAM/NT4.43
Sound System BG,DK,I,L
. Inside of MOSEL Model
Control & Connection Panel
. Inside of MOSEL Model
Control & Connection Panel
. Inside of MOSEL Model
Control & Connection Panel
. Inside of MOSEL Model
Block Diagram
FRCH
. Inside of MOSEL Model
Inner Feature of 32"
Power, Main Board, Panel(with Inverter)
POWER B'D
MAIN B'D
INVERTER
SPEAKER
. Inside of MOSEL Model
Inner Feature of 40"
Power, Main Board, Panel(with Inverter)
IP PANEL
IP BOARD MAIN B'D
SPEAKER
. Inside of MOSEL Model
Inner Feature of LED 40"
Power, Main Board, Panel(with Inverter)
SMPS
INVERTER MAIN B'D
SPEAKER
. Inside of MOSEL Model
Some Functions of MOSEL
Dynamic Contrast : Enhancing Contrast Ratio
(Up to 1600:1)
Energy Saving : Realize Low Power
Consumption by Selecting Energy Saving
Level ( Off, Low, Middle, High )
. Inside of MOSEL Model
Some Functions of MOSEL
-Dynamic Contrast
Reproducing optimized contrast by detecting the
characteristics and contrast level of input signal.
Enhancing dynamic contrast (Up to 1600:1)
Out
Out
Mi d r ange dynam c
i
In
In r ange Enhancem ent
Out Out
Cont r as t
In In Enhancem ent
Luma Luma Luma
Di m i ng
m
Y Y Y
. Inside of MOSEL Model
Some Functions of MOSEL
-Contrast Enhancement Factor
OUT
255
Gam a
m
Cur ve
200
120
IN
110 190 255
. Inside of MOSEL Model
Some Functions of MOSEL
-Contrast Enhancement & Dimming
Out put
V
4
0 255
MEAN
0
< Dar k I mage MEAN
> I nput < Anal og
C MEAN U
Di m i ng >
m
Out put
Dut y( %
)
98
0 255
MEAN 50
< Br i ght I nput MEAN
Image > C MEAN U
< PW Di m i ng
M m
>
. Inside of MOSEL Model
Some Functions of MOSEL
Energy Saving
Off ◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo