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Find the vertical IC and check for very small cracks on the solder joints of its pins and resolder (approx. 10 Pins). Also check in the same area for a 1 micro farad at 50 vdc capacitor that goes bad and replace it.
sory I didnt see the model number in on the other page. It is telling you a problem in power supply. I think yo might need to look at Q 8013 Q 8014 R 8051 Im looking at a model different model so or it could be listed as IC 8002 I dont have the same model in front of me to look at right now in my books the resistor will be real low in value 0.1 ohm usley will go open or not read on meter. Be sure to unplug tv before you open it up and look around.
Toshiba TV 2151TB Tuning Press remote button adjacent to the picture brightness button. The symbol of a clock appears. Press the button again and the >>> symbol appears, this is for course tuning. Touch the Increase Volume button and auto tuning starts. When a station is found two green underlines appear. Type the station number i.e.for 2 type 02, this stores the station. Touch the Increase volume button again to find the nexr station. Upto 39 stations can be stored. Fine tuning of any station is achieved by pressing the tuning button until three blocks sysbol is displayed. Use the Increase/Decrease Volume buttos to fine tune the station.
There is a problem with the tuner section. I would first suspect poor solder connections. If resoldering the ground connections on the tuner fails to resolve the problem, a replacement can be purchased for $38.40 using part number: 8-598-594-30
Try unplugging the TV for about 10 minutes and then tunung it on again. Try a factory
To reset the TV to factory settings
1 Turn the TV on.
2 Hold down on the remote control.
3 Press and release the POWER button on the TV front panel. The TV will turn itself off,
then back on.
4 Release .
I'm assuming step 2 means hold down the power button.
Try using an input other than the tuner. I.e a DVD player or game system on the front inputs. If the picture looks OK on the other input, your tuner is damaged and will need replaced, if it looks bad also, try unplugging the TV for 5 minutes and then go through the setup process in the menus. If this fails seek a repair shop.