Admiral AD3212HD Schematic

LM2FB 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 LM2FB 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 1

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

1. General description

LM2FB is a multi-purpose and energy-efficient LCDTV control board with

single/dual 8/10bit LVDS interface, the resolution of LCDTV panel is up to 1920*1080.

LM2FB supports PAL/SECAM/NTSC、USB2.0、HDMI、Component、PC-RGB、 AV、S-Video 、SCART(Optional) video and audio input as well as AV (video&audio) output , an audio D-type amplifier which supports 2x10W (8ohm) outputs is built in.

LM2FB could connect with accessory modules to support extended functions such as built in DVD module, external USB, external HDMI. Software upgrade and multimedia playback function are applicable with the USB slot.

2. Features

Chipset MST6M181VS Market Area Asia Pacific OSD

Language

LCD Panel

Video Input

Audio Input

Audio Output Max Output Power 2*10W(8ohm) Key Function POWER,INPUT,MENU,CH+,CH-,VOL+,VOL-

Power

Terminal Input

English/French/Spanish/Russian/German/Italian/Turkish/Portuguese Type TFT-LCD

Resolution up to 1920*1080 Interface single/dual 8/10bit LVDS Panel power 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

S-Video S-Y:0.714Vp-p +- 5% S-C:0.286Vp-p +- 5% 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 S-Video L/R RCA Input Component L/R RCA Input

Input 5V/12V/24V/5VSTB Power

Management

Sound System BG,DK,M,N,L/L’ Max Storage channels 200

VBI 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

CC/V-CHIP/Teletext 100pages

0.2 － 2.0 Vrms

1 IEC type，75

The information in the specification is subject to change without notice 2

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

AV1 AV1 Audio In SCART（optional with AV1） S-Video 1 S-Video Terminal AV(2) 1 mini AV Terminal

Component AV(2) Audio In

S-Video Audio In Component(2) Audio In PC-RGB 1 D-Sub Terminal(15PIN)

PC-RGB Audio HDMI 3 HDMI Terminal

USB 1 USB Terminal

Output Earphone 1 EarphoneTerminal (green)

Expandable Function

DVD Combo, USB, HDMI

1 RCA Terminal（yellow） 2 RCA Terminal（red,white） 1 SCART Terminal

1 mini YPbPr Terminal （green,blue,red）

the save Terminal with AV in

1 Earphone Terminal ( green )

USB Multimedia Playback Format

Media File Ext.

.avi .mpg

Movie

Music

Photo

Note：

1) Licenses are required forDivx,MPEG-LA,WMV,MP3,WMA,AAC and AC3

2) Support hard disk, the maximum storage capacity is 400G

3) Folder in support of greatest is 30

4) Each folder in support of the largest number of documents is 5000

5) File system： FAT16，FAT32，NTFS

.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 3

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

3. Function layout

XS501

Mainboard

Power

Supply

XS803

Speaker

Output

J501

Panel Power Select

XS444

LVDS

Output

XS801

AMP

Power

Supply

XS551

DVD Control

and Power

Supply

External

interface

XS512

USB

XS600

Keyboard

IR&LED

Interface

XS502

Inverter

XS008

External

HDMI

interface

XS607

IIC

Interface

XS302

DVD

Video&Audio

Input

XS606

Software

Upgrade

The information in the specification is subject to change without notice 4

PC-RGB PC-RGB Component Earphone TV

In Audio In

AV In

AV&S-Video

&Component

Audio In

In Out RF In

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

USB HDMI1 HDMI2 HDMI3

AV L R

In AV&S-Video Audio In

SPDIF Out

The information in the specification is subject to change without notice 5

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

4. PCB dimension

2-Φ4

3-φ8.3

The highest height of parts with SCART terminal: 16.5mm The highest height of parts without SCART terminal: 13mm

The information in the specification is subject to change without notice 6

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

5. Schematic of IR and Keyboard

The information in the specification is subject to change without notice 7

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

6. Main board Power supply

Power Supply Mode Voltage range

5V STB±5% 500mA 5V±10% 2000mA Board Power Supply 12V±10% 200mA

AMP power supply 24V 2000mA

Max Current

Max ripple Note 60mVp-p@25; ℃

200mVp-p@-10; ℃

120mVp-p@25℃ 200mVp-p@-10℃ 180mVp-p@25; ℃ 260mVp-p@-10℃

7. Interface definition

u XS501（10PIN/2.54）Main Board Power Supply

PIN No. Definition Description

1 12V +12V DC Power Supply 2 GND Ground 3 5V 4 5V 5 5V 6 5V 7 GND Ground 8 GND Ground 9 STB Standby Control

10 5VSB +5V Standby Power supply

u XS600（14PIN/2.0）IR and LED board Interface

PIN No. Definition Description

1 1 GND GND

XS602

XS601

u XS502 （6PIN/2.0）Inverter

PIN No. Definition Description

2 2 KeyA/K7 POWER /RESERVED 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 Ground 2 GND Ground 3 DIMMING Brightness Adjustment for panel 4 BL_OFF Backlight On/Off Control for Panel 5 BL_12V 6 BL_12V

4 K5 V+ 5 K4 V6 K3 SOURCE 7 K2 P+ 8 K1 P9 K0 MENU

+5V Power Supply

+12V DC power Supply

The information in the specification is subject to change without notice 8

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

u XS444 （36PIN/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 +12V

Note: Please select the appropriate power by jumper for panel.

The information in the specification is subject to change without notice 9

Shanghai Kitking Electronic Co. limited LM2FB 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 XS801 （4PIN/2.54）AMP Power Supply

PIN No. Definition Description

1 GND 2 GND 3 24V 4 24V

Ground

+24V Power Supply

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 XS607（4PIN/2.0）： IIC Interface

PIN No. Definition Description

1 WP Reserved 2 GND Ground 3 3V3 +3.3V DC Power Supply 4 SDA SDA of IIC 5 SCL SCL of IIC

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（9PIN/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

The information in the specification is subject to change without notice 10

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

u XS512(4PIN/2.0） External USB Connector

PIN No. Definition Description

1 U5V 2 D- 3 D+ 4 GND

u XS008（9PIN*2/2.0）External HDMI Interface

PIN No. Definition Description

1 D2+ 2 D2- 3 GND 4 D1+ 5 D1- 6 GND 7 D0+ 8 D0-

9 GND 10 CLK+ 11 CLK- 12 GND 13 SCL 14 SDA 15 CEC_IN 16 VCC 17 HPD 18 GND

8. General Precaution

l Keep away from static and water l Protect the board from static electricity in case of damage to the IC.

l Relative Humidity：≤80% l Storage Temperature：-10～+60℃ l Operation Temperature：0～+40℃ l Don’t push or pull the connectors when the board is working.

l Don’t press, distort or disassemble the board l Clean the board with soft dry cloth when it is dirty. l Don’t wire in the board to power supply before panel is correctly connected.

The information in the specification is subject to change without notice 11

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

9. software Update Steps:

Step1: Copy merge_6M181.bin file to USB disk, and then plug the disk to USB slot. Step2: Power on the LCDTV. Step3: Press MENU key，then left or right key, call the main menu as below:

Step2: Use up or down key, move the highlight bar to Software Update(USB) and press OK key.

Step4: Press left key to confirm to software update or right key to cancel the operate. Step5: Wait the end of this operation and then the LCDTV will be restart automatically.

The information in the specification is subject to change without notice 12

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

10. Board service manual

The information in the specification is subject to change without notice 13

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

The information in the specification is subject to change without notice 14

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

The information in the specification is subject to change without notice 15

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

The information in the specification is subject to change without notice 16

Shanghai Kitking Electronic Co. limited LM2FB Service Manual

The information in the specification is subject to change without notice 17