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LM2SA Service Manual

Shanghai Kitking Electronic Co. LTD

The information in the specification is subject to change without notice

Shanghai Kitking Electronic Co. limited

LM2SA

Content Item Content General description Features Function Layout View PCB dimension Schematic of IR and key board Power supply and LED power supply description Interface definition Block diagram & Schematic BOM LIST Board Service Manual Line Diagram Software update

The information in the specification is subject to change without notice 1

Page 1 2 3 5 6 7 7 8 11 22 32 39 39

Shanghai Kitking Electronic Co. limited

LM2SA

1. General description LM2SA is a digital and analog TV and energy-efficient LCDTV control board with LED driver & single/dual 8bit LVDS interface, It can support max 42 inch LED panels which resolution is up to 1920×1080. It can receive the analogue television and DTMB digital television. LM2SA –TSU69ZR（128Pin） supports USB2.0, 3 HDMI,PC-RGB, AV signal input, YPbPr signal input, earphone output, Coaxial output, an audio amplifier which supports 2x8W (8ohm) outputs is built in. LM2SA USB slot can be used for software updating, PVR and multimedia playback, PVR and time-shift.

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

Shanghai Kitking Electronic Co. limited

LM2SA

2. Features Chipset Market area OSD language LCD panel

TSU69ZR America English type resolution Interface Panel power TV

Video Input AV

Audio Input

Audio Output USB Function Key Function Power

PC-RGB HDMI YPbPr PC- Audio AV- Audio YPbPr- Audio Frequency Response Max Output Power

TFT-LCD/LED up to 1920*1080 single/dual 8bit LVDS 5V/12V Receiving Range 48MHz~866MHz Input Impedance 75 ohm Video System NTSC,DTMB Sound System M,N Max Storage channels 99 Video System PAL/NTSC/SECAM Video Level 1.0 Vp-p±5% up to 1920*1080@60Hz 480i,480p,576i,576p,720p,1080i,1080p,4K2K 480i,480p,576i,576p,720p,1080i,1080p Earphone Input 0.2 － 2.0 Vrms 0.2 － 2.0 Vrms L/R RCA Input 0.2 － 2.0 Vrms 100Hz~15KHz @±3dB(500mV reference signal) 2x8W (8ohm)

TSU69ZR: software update and Multimedia Playback POWER,INPUT,MENU,CH+,CH-,VOL+,VOLInput Power Management

Input Terminal

Output

AC 90V～264V 50/60Hz Standby Power Consumption