KUNFT +-+28dcg220014+-+Chassis+TP.SIS231.P85 free download

File name Kunft+-+28dcg220014+-+Chassis+TP.SIS231.P85.pdf

TV Productor Service Manual DATE 2013-12-09 YOUR COMPANY NAME: YOUR MODEL NAME: Production & Function Describtion: Action TP.SIS231.P85 Function USB HDMI CVBS/AUDIO SCART PC AUDIO IN VGA ATV YPBPR COAXIAL OUT EARPHONE OUT TV System PAL SECAM Approved Signatures: Approved By Reviewed By Issued By Customer Project Project Leader D.C.C. Leader Express Luck Industrial Limited Address:No.88,BaoTong,NanRoad,Xikeng,HengGangTown,LongGangDist ric,Shenzhen,Guangdong, China TEL 0086-0755-89739888 FAX 0086-0755-89739666 1. Basic Function & Specifications-----------------------------------------------------3 2. Maintenance & Safety-------------------------------------------------------------------3 3. Instruments --------------------------------------------------------------------------------4 4. Software Upgrade-------------------------------------------------------------------------4 5. Main Function & Specifications -------------------------------------------------5-24 6. Main board circuit diagram ------------------------------------------------------25-33 7. Main board service manual ------------------------------------------------------34-48 1. Basic Specifications Working Temp 0 40 Storage Temp -20 60 Humidity Working 10 90% Humidity Store 10 90% LED Lifespan 50 Lum Tube current < Rating 60000 hour Il=4.5Ma 25 MTBF:50000 hour (Panel Module NOT inculded) Power requirement Voltage 100~240 V 50 / 60 Hz ( Note: The above specifications are suitable for most of the TV models, and for your reference only.) 2. Maintenance & Safety 2.1 Safety Warning: (1) The inside key components in the LED must be offered and replaced by qualified and appointed manufacturer. Otherwise it may generate electricshocks, fires or other important unsafety cases. (2) Don't try to change the circuits without authorized permission. (3) Ensure to study the maintenance and service manual thoroughly before doing any of the maintaining actions. 2.2 High Voltage Warning: Please be highly noted the high voltages in the circuit. 2.3 Electricshocks and Fires Warning: *Connect the insulate transformer between the AC current to the LED before repairing the panel. *Take care of the Soldering Pad related to the high voltage circuit. When there occurs short-circuit case, please replace the overheated components in time. *All protective equipments must be re-installed according to the original design. *Check the rosin joints, stack welds and the insulations, ensure there is no objection attached. 2.4 Antistatic Warning: *The inner circuit boards in the LED TV are sensitive to the statics. Please take care of the ESD protection when replace the circuit boards. *The circuit boards must be packed by antistatic bags. *Please wear antistatic ring and gloves when d