Maybe you are a technician you will open your tv set thats why you know that the resistor geting hot. can you figure out witch resistor get hot? The value and wattage. Or tell me the no./color coding.More info.
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If the wattage rating is less it will definitely go hot. Resistor overheating may be due to leaky capacitors also. If input voltage is higher also this could happen. If the performance of the TV is fine not to worry.
If smoke comes from the resitor, you have to be alert. If you find the TV performance is OK , you can increase the wattage of the resistor, keeping the same resistor value. Do not flush mount the resistor to the PCB. Mount it at a higher level and solder.
bad electrolytic capacitors in the power supply or open resistor in the power supply startup circuit. I had this problem of 220k ohm 1/8w r1 in a sharp 20"lcd. This resistor is connected to + of the main bridge through a power diode. Tim Rasch
This could be several things, but most likely a burned loose resistor or bad solder joint.
All of which causes an inoperative power supply with the result of having a "dead" set.
It would have to be checked out to find the problem.
You might have better luck posting this under Sharp TVs: http://www.fixya.com/support/sharp/standard_televisions
The black lines at the top of the screen are usually an indication of a problem with the vertical output section. It's often bad electrolytic capacitors, the vertical IC, or both.
That's apparently not a US model, so it will be hard to find the values but you could contact Sharp Philippines:
SHARP (PHILS.) CORPORATION [Philippines]
Km.23 West Service Road, South Superhighway, Alabang, Muntinlupa,Metro Manila, Philippines Tel: 63-2-842-1371
Service Center Tel: 63-2-807-4991/4992
Home Page: http://www.sharp.ph/