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Semp Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SEMPTV1452
U19
Tsound was no second power supply and the LED was off, only 160 volts at the regulator input864 diode below the regulator heatsink leakingAlvanyr This email address is being protected from spambots. You need JavaScript enabled to view it.
SEMPTV2134 SKY
SKY 91
Sidebar turning offC634 47/160 dryReplace electrolytic c634 47/160carlosss
SEMPU14
Image with a predominance of blue as if it were the tubeQ905 (smd) is removed from the kinescope boardThis email address is being protected from spambots. You need JavaScript enabled to view it. (BRUNO)
SEMP2134
SK11
Starts and turns offReplace c/ 634 of 47uf for 160vRay Ferreira
SEMP2998
No horizontal synchronizationReplace capacitor c-214Ademar / Videira sc
SEMPTVC-147-CR
No sound, everyone using the ci t-51496Change the c-106 connected to the IC pinAdemar / Videira sc
SEMP147CR
I'm soundEveryone who uses the IC (t51496) replace the capacitor (c-106) connected to pin 8 of the ICAdemar / Videira sc
SEMP1492
U-16
Blink and turn off the TVCheck q-405 and q-430Ademar / Videira sc
SEMPVARIOS
Constant burning of the vertical outlet ta-8403Change c-314 c-315 and r-317 of 7.5rAdemar / Videira sc
SEMPTVC-34P
Lack of widthChange q-d04 of the heatsinkAdemar / Videira sc
SEMP1033
Poor quality hoarse soundRemove q-611Ademar / Videira sc
SEMP1033
Blue blurring when the screen increasesPut 390r resistor on the base for the chassis of the (q-906) tube plateAdemar / Videira sc
SEMP2997
Barrel effectReplace o c 464 (4.7uf x 100v)Ademar / Videira sc
SEMP2987-CSU
LEM-9
Turns on and off after 5 minutesChange the resistor (r-470) to 0.27r protectionAdemar / Videira sc
SEMP2998
No horizontal synchronizationReplace capacitor c-214Ademar / Videira sc
SEMP1021
Vertical closedResolder the q-421 near the LEDAdemar / Videira sc
SEMP16IL
Vertical closedChange c 502Ademar / Videira sc
SEMP10IL
Normal sound but dullChange trim pot (r-202) of 5k sub brightnessAdemar / Videira sc
SEMP2090
U-14
No sync in vhf, works normally in videoReplace (r-146) smdAdemar / Videira sc
SEMP1480-E
Image shakes and lacks widthSwap (r-808) 270kAdemar / Videira sc