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I can't find a manual for either of these sets so I'm not able to be specific with parts but a set with no sound or picture is generally caused by either a bad main board or power supply. You can find out what board is bad by checking the PSON..stands for power switch on , the voltage should change when you push the on button and stay that way but going by the fact you get a blue light I'm guessing that is working and you have a bad power supply, another test would be with the set on and the light blue test the various power supply voltages and see if any are missing or incorrect, the values should be on the legends next to the connectors, they will say for example pin 1 ground pin 2...12 volts...pin 3... ground...pin 4.5 6...5 volts ect....Good luck!!
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Fault with its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Main board fault. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
See troubleshooting (p.96-99) of user manual but Unfortunately i think this problem is for Sceptre ... For technical help, contact our Sceptre Technical Support Group via email or phone. Please have your Sceptre p/n number, serial number, and date of purchase available before you call. Tech Support E-mail : [email protected] Customer Service Email : [email protected] TEL : 1800-788-2878 Operation Hours : Mon - Fri at 8:30 AM – 5:30 PM Pacific Standard Time
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