21.5″&23.6″ LCD TV Haier LE22T900&LE24T9001ServiceServiceServiceTable of ContentsDescription Page Description PageTable of Contents.......……...................................….....1Important Safety Notice.......................................……..2Revision List………………………………………………..31. General Specification....................................……….....42. Operating Instructions..………………….……...……..52.1 Remote Control…………….……...…………...……....52.2 OSD Menus…………....………………….….………....62.3 Panel Control And Rear Terminal Control………...173. Input/Output Specification………….....................….204. Mechanical Instructions……………………................225. Repair Flow Chart ……………………………………...276. PCB Layout …………...………………………………..346.1 Main Board……..…………………...…….…........346.2 Power Board……..…………………...…….…........376.3 IR Board………….……………..……….….......397. Adjustment..............................................................417.1 ADC/WB Adjustment..............................................417.2 Firmware and DDC Instruction..............................428. Block Diagram..…..…..............................................439. Wiring Diagram....…….............................................4510. Schematic Diagram.………..…….………………....4710.1 Main Board………..…….…………………...…......4710.2 Power Board……..…..…....…………...……….....5610.3 IR Board………….……………..……….….......58SAFETY NOTICEANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE CHASSISAND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICINGELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICINGAll manuals and user guides at all-guides.comall-guides.com