I was very glad recieving the service manal from You. Manuals were delivered promptly and were correct as advertised. A complete and very usefull service manual with all details. Thank you!
Good product. All the information is invcluded, but due to the complexity of the amplifier, it still is difficult to get it to operation again.
Text excerpt from page 9 (click to view)
separately and check if the picture and sound is normal. 8.Preset ex-works In the status of TV enter the factory menu by pushing the factory key and then perform presetting. 9.Ex-works packing Check accessories and then pack them in box.
Trouble shooting
Before servicing please check to find the possible causes of the troubles according to the table below.
1.Antenna:
Picture is out of focus or jumping Bad status in signal receiving Maybe broadcast signal itself is not good Check if the outdoor antenna is disconnected. Check if the antenna is correctly oriented. Check if the antenna is correctly oriented. Maybe there is electric wave reflected from hilltop or building. by stripe Possibly due to interference from automobile, train, high voltage transmission line, neon lamp etc. Maybe there is interference between antenna and power supply line. Please try to separate them in a longer distance. Check if interfered by other equipment and if interfered possibly by the equipment like transmitting antenna, non professional radio station and cellular phone.
Fringe in picture Picture is interfered shaped bright spots
