AMOI LC-32-37-40-AF1E free download

File name LC-32-37-40-AF1E_Service_manual.pdf

Amoi LCD TV After Service Manual FOR ADVENT SERIES MODES: 32'/37'/40' Notice: Please read this manual and the user's manual careful before maintenance. This manual is reference only. 1 After Service Manual FOR ADVENT SERIES MODES: 32'/37'/40' Catalogue 1.Safety instruction ... 3 2.Work principle and Electric Connection Diagram ... 5 3.Electric Flame Diagram ... 15 4.Circuit diagram ... 21 5.Software version check and upgrade ... 49 6.Spare parts list ... 58 7.Troubleshooting ... 67 8.Assemble instruction ... 75 2 1. Safety Instruction 1.1 Basic information. Full communication with customers is required, and learn how the trouble happens and what the status is, which will be helpful in the efficient service. Learn whether the trouble has conflict with technical standards. 1.2 Trouble Reappearance. Please assure: a. Whether the trouble exists as the customer described, and make initial judgment , then decide the next operation; b. Whether any other trouble exists; c. May reset the machine under some instances. For example: when the picture and color could not satisfy the customer, you could reset first and then adjust it accordingly. d. Avoid enlarge the trouble during maintenance. 3 1.3 Judgment and Maintenance Judge the trouble and find the reason, then repair. Note:1.Please cut off the power before disassemble and welding. 2. Read the manual carefully to learn security attentions. Please obey the requirement of Disassemble drawing and description strictly , use specified screw, take care not to make any scars on the unit especially on the LCD. Please wear anti-electrostatic gloves when welding. Please review the status of power, crystal, clock, input and output data. Please read Spare part list if need any change. Check the package and accessories when change a new unit to the customer. 4 2.Work principle and electrical connection Diagram 2.1 Work principle This TV could realize the signal output of RF, CVBS, S-VIDEO, SCART, VGA, HDMI, CF card, SD card, USB 2.0. AV includes S-VIDEO and CVBS. There are two Tuners in the machine, and the RF is connected to the main Tuner, then to the secondary Tuner through RF wire. Two Tuner could receive two RF signal and realize two pictures or multi pictures. This