LM1FE Service Manual
Issued Date: 2011-10-10
Shanghai Kitking Electronic Co. LTD
The information in the specification is subject to change without notice
Shanghai Kitking Electronic Co. limited LM1FE Service Manual
Content
1. General description 2
2. Features 2
3. Function layout 4
4. PCB dimension 5
5. Schematic of IR and key board 6
6. Main Board Power Supply 6
7. Interface definition 7
8. General Precaution 10
9. software upgrade steps 10
10. Board Service Manual 11
11. Schematic 19
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
1. General description
LM1FE is a multi-purpose and energy-efficient LCDTV control board with
single/dual 8/10bit LVDS, the resolution of LCDTV panel is up to 1920*1080.
LM1FE supports PAL/SECAM/NTSC, USB2.0, HDMI, Component, PC-RGB, AV
video and audio input as well as SCART (optional) input and output , an audio A-type
amplifier which supports 2x1.5W (8ohm) or 2x3W (4ohm) outputs is built in.
LM1FE could connect with accessory modules to support extended functions such
as built in DVD module, external AV and external USB. Software upgrade and
multimedia playback function are applicable with the USB slot.
2. Features
Chipset MST6M181VS
Market Area Global analog market
OSD Language English/French/Spanish/Russian/German/Italian/Turkish/Portuguese
Type TFT-LCD
LCD Panel
Video Input
Audio Input
Audio Output Max Output Power 2*1.5W(8ohm) or 2*3W(4ohm)
Key Function POWER,INPUT,MENU,CH+,CH-,VOL+,VOL-
Power
Terminal Input
Resolution up to 1920*1080
Interface single/dual 8bit LVDS
Panel power 3.3V,5V,12V optional
Receiving Range 48.25MHz~865.25MHz
Input Impedance 75 ohm
Video System PAL,SECAM,NTSC
ATV
AV
Component 480i,480p,576i,576p,720p,1080i,1080p
SCART( optional)
HDMI 480i,480p,576i,576p,720p,1080i,1080p
PC-RGB
USB2.0 Multimedia playback and software upgrade
PC-RGB Earphone Input
AV L/R RCA Input
Component L/R RCA Input
Input DC 12V or 5V/12V/5VSTB
Power
Management
Sound System BG,DK,M,N,L/L’
Max Storage
channels
VBI CC/V-CHIP/Teletext 100pages
Video System PAL/NTSC/SECAM
Video Level 1.0 Vp-p +- 5%
Full Scart with RGB&CVBS input/output
up to 1920*1080@60Hz
Standby Power Consumption <0.3W(board only)
TV
AV1 1 RCA Terminal (Yellow)
Component 3 RCA Terminal ( Green, Blue, Red)
AV1 Audio
200
0.2 - 2.0 Vrms
0.2 - 2.0 Vrms
0.2 - 2.0 Vrms
1 IEC type, 75
2 RCA Terminal ( Red, White)
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
Component Audio
SCART(Optional with
AV2)
AV2 1 RCA Terminal (Yellow)
AV2 Audio 2 RCA Terminal ( Red, White)
PC-RGB 1 D-Sub Terminal(15PIN)
PC-RGB Audio 1 Earphone Terminal ( green )
HDMI 1 HDMI Terminal
USB 1 USB Terminal
Output
Expandable
Function
DVD, USB and AV
Earphone 1 Earphone Terminal
SPDIF 1 RCA Terminal (Black)
1 SCART Terminal
USB Multimedia Playback Format
Media File Ext.
.avi
.mpg
Movie
Music
Photo
Note: Licenses are required forDivx,MPEG-LA,WMV,MP3,WMA,AAC and AC3
.dat
.rm/rmbv
.wmv
.mp3 -- MP3
.wma -- WMA
.m4a/.aac -- AAC
.jpg/jpeg
.bmp BMP --
.png
DivX,Xvid,MPEG-4
MPEG-1,MPEG-2
MPEG-1
RealMedia
Windows Media
Video
Progressive JPEG -Baseline JPEG --
Non-interlaced -Interlaced --
Video Audio
CODEC
MP3,WMA,AAC,AC-3
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
3. Function layout
XS501
5V Power
Supply
Interface
XS600
IR&LED
&Key
board
Interface
J501/J502
Panel
Power
Select
XS551
DVD Control
and Power
Supply
XS444
LVDS
Output
XS503
12V Power
Supply and
Inverter
XS606
Software
Upgrade
XS592
External
USB
Interface
XS305
External
AV In
Interface
XS302
DVD
Video&Audio
Input
XS803
Speaker
Output
DC12V PC-RGB PC-RGB AV1 L R Earphone SPDIF
In
USB HDMI
In Audio In AV1 In Out Out
Y Pb Pr AV1 L R TV
Component In In
AV2&Component
Audio In
RF In
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
4. PCB dimension
3-φ 8.3
2-Φ 4
The highest height of parts without SCART terminal: 12mm
3-φ 8.3
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
5. Schematic of IR and Keyboard
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
6. Main board Power supply
Power Supply Mode Voltage range
5V STB± 5% 500mA
5V± 10% 4000mA Board Power Supply
12V± 10% 200mA
Max
Current
Max ripple Note
60mVp-p@25; ℃
200mVp-p@-10; ℃
120mVp-p@25℃
200mVp-p@-10℃
If the LCDTV panel is less than 26” , you can use DC12V input, the maximal current is 4A.
7. Interface definition
u XS501( 6PIN/2.00 ) 5V Power Supply Interface
PIN No. Definition Description
1 STB Standby Control
2 5VSB +5V Standby Power supply
3 GND
4 GND
5 5V
6 5V
u XS600( 14PIN/2.0 ) IR and LED and Key board Interface
PIN No. Definition Description
1 1 GND GND
XS602
XS601
u XS503 ( 10PIN/2.0 ) 12V Power Supply and Inverter
PIN No. Definition Description
2 2 KeyA/K7
3 3 KeyB/K6/POWER
1 10 GND Ground
2 11 IR IR
3 12 LED-GREEN Green Indicator
4 13 LED-RED Red Indicator
5 14 5V +5V DC Power Supply
1 GND
2 GND
3 GND
4 GND
5 DIMMING Brightness Adjustment for panel
6 BL_OFF Backlight On/Off Control for Panel
7 BL_12V
8 BL_12V
9 BL_12V
10 BL_12V
4 K5/V+
5 K4/V-
6 K3/SOURCE
7 K2/P+
8 K1/P-
9 K0/MENU
+5V DC Power Supply
+12V DC power Supply
Ground
Ground
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
u XS444 ( 30PIN/2.0) LVDS Output
1
29
35
2
30
36
PIN No. Definition Description PIN No. Definition Description
1 VCC Panel Power 19 RXE0+
2 VCC Panel Power 20 RXE0-
3 GND 21 RXE1+
4 VCC Panel Power 22 RXE1-
5 GND 23 RXE2+
6 GND 24 RXE2-
7 RXO0+ 25 GND
8 RXO0- 26 GND
9 RXO1+ 27 RXEC+
10 RXO1- 28 RXEC-
11 RXO2+ 29 RXE3+
12 RXO2- 30 RXE3-
13 GND 31 RXO4+
14 GND 32 RXO4-
15 RXOC+ 33 RXE4+
16 RXOC- 34 RXE4-
17 RXO3+ 35 GND
18 RXO3- 36 GND
Note: You can select ODD if you use single LVDS input.
u J501 ( 3PIN/2.54 ) Panel Power Select
3 1
PIN No. Definition Description
1 +5V
2 VCC_PANEL Panel Power Supply
3 +3.3V
Note: Please select the appropriate power by jumper for panel.
u JP502( 2PIN/2.54 ): Panel Power Select
2 1
PIN No. Definition Description
1 +12V
2 VCC_PANEL Panel Power Supply
Note: Please select the appropriate power by jumper for panel.
The information in the specification is subject to change without notice
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Shanghai Kitking Electronic Co. limited LM1FE Service Manual
u XS606( 4PIN/2.0 ): Software upgrade Interface
PIN No. Definition Description
1 5VSB +5V
2 GND Ground
3 RXD RX
4 TXD TX
u XS803( 4PIN/2.54 ) Speaker Output
PIN No. Definition Description
1 RO Audio Right Channel Output
2 GND Ground
3 GND Ground
4 LO Audio Left Channel Output
u XS551( 8PIN/2.0 ) DVD Control and Power Supply
PIN No. Definition Description
1 DVDIO AUTO DVD
2 CMD DVD Power On/Off
3 DVDIR IR of DVD
4 DVD12V +12V DC Power Supply
5 GND
6 GND
7 DVD5V
+5V DC Power Supply
Ground
8 DVD5V
u XS302( 11PIN/2.0 ) DVD Audio&Video Input
PIN No. Definition Description
1 GND Ground
2 DVD_Y DVD YPbPr-Y Input
3 GND Ground
4 DVD_Pr DVD YPbPr-Pr Input
5 GND Ground
6 DVD_Pb DVD YPbPr-Pb Input
7 DVD_L DVD Audio Left Channel Input
8 GND Ground
9 DVD_R DVD Audio right Channel Input
10 GND Ground
11 NC
u XS592(4PIN/2.0) External USB Interface
PIN No. Definition Description
1 U5V
2 D-
3 D+
4 GND
u XS305( 5PIN/2.0 ) External AV In Interface
PIN No. Definition Description
1 R_In
2 GND
3 L_In
4 GND
5 AV_In
The information in the specification is subject to change without notice
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