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SEMP Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMP TOSHIBATV1480
The television had no image and no sound, the horizontal stage did not oscillate, the 9 volts on pin 21 of IC 501 were cut off. The power supply was normal, it turned on and off normally.Shorted deflector coil. I replaced the deflector coil, and the TV worked.Eletrônica LM
SEMP TOSHIBATV 2121 NFS
U 18
It turned on the standbay and turned it off until it reached m+ bSwap str 5453 roco sound q 906ELETRONICA IDEAL
SEMPTV 1470E
Reduced frame,+b lowC818 22mfx50vManoel
SEMP TOSHIBATV2070E
Image closing the sides and foldingT803 openRoque
SEMPTS207/167/207 E TVC140
ReplaceBurnt 20Ω r613ReplaceTectoy
SEMPTS207VS
Flyback buzzing and jagged image408 capacitor of 10 micros for 16v ruimReplaceTectoy
SEMP2070 E 1470
Reduced vertical at the bottomCapacitor 317 spaciousReplaceTectoy
SEMP2070 E 1470
It doesn't arm and tsound is a lack of 9v on IC 501 and a short between the base and q813 emitter826 open resistorReplaceTectoy
SEMP2070 E 1470
+b changed to 149v and high voltage changed on the flyback pacifier with strong humming at the power supplyCapacitors 818 and 830 dryReplace themTectoy
SEMP2070 E 1470
Screen does not light up, 180 voltage changes depending on image clarityOpen 12k r321Replace for anotherTectoy
SEMP2070 E 1470
Low power supply at 70vQ811 shortReplace for anotherTectoy
SEMP2070 E 1470
Heating r417Shorted deflectorReplace for anotherLuiz Tectoy
SEMP2070 E 1470
TV stuck on channel 30Change l651 (intermediate frequency output detector)Luiz Tectoy
SEMPTV 2122
Vertical closedD885fabiusmax
SEMP TOHIBATV2080EAV
Entering the menu alone also lowers the volumeCa.78 shortedjulio itaguai
SEMPTV1490IAV
U14R
Blue screen and no soundQ612 shorted close to cable m501aReplacementPAULO-MACEIO/AL
SEMPTV 1490
U 14
Disarms when turned on, +b above normalFly back with slight shortJust keep changingManoel
SEMP TOSHIBATV-2087
U11
TV is stopped and doesn't turn onChanged smd resistor almost openJust replace r 887 1k with the replaced valueJoão Carlos
TV SEMP2080E
G74/287J
Does not turn on... controls on the panel do not workOpen power supply fuse zp01When this TV arrived it didn't work, then I found this power supply fuse open, after changing the ic801, reg 7805 it got very hot although it worked but the panel controls didn't work, I found a zener near the 6.2 volt micro or the da96 in short, after the replace tsound was zero bullet.Alex - 3AT210
SEMPTV 2084
U10
Image to the right 1 cm and does not follow the hpos adjustmentEeprom 24c04ÁdrianChapadãodoCéu