Gradiente TV Repair: Common Faults and Solutions.


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Gradiente Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
GRADIENTE5 CDS
Poor reproductionAdjustment of the trimpot next to the laser for a maximum current of 60ma
GRADIENTECDP/AT3
Doesn't play cdCi tda7073a and optical reader
GRADIENTEPRO 2000 MKIV
Open fuseTr4, tr5, tr8, tr9, tr10 and tr11 shorted
GRADIENTEM246
Inoperative, fuse openRight output transistors and exciters and ci901
GRADIENTEM120
DeadBridge rectifier and c134 (5000 µf 35 v)
GRADIENTE5 CDS
Poor reproductionAdjustment of the trimpot next to the laser for a maximum current of 60ma
GRADIENTECDP/AT3
Doesn't play cdCi tda7073a and optical reader
GRADIENTEPRO 2000 MKIV
Open fuseTr4, tr5, tr8, tr9, tr10 and tr11 shorted
GRADIENTEM246
Inoperative, fuse openRight output transistors and exciters and ci901
GRADIENTEM120
DeadBridge rectifier and c134 (5000 µf 35 v)
GRADIENTEM120
DeadBridge rectifier and c134 (5000 µf 35 v)
GRADIENTETV 2021
Noise at the power supplyCi-805
GRADIENTETV-2922
Turns off intermittentlyD412 and d404 (1n4148) with leak
GRADIENTEGT-2022
Dull and imagelessDiodo zener 301 - 7,5v
GRADIENTEGBT-2911
Turning off by itselfC805 10mf 250v
GRADIENTEGT-1411
Turns off when the antenna is placedCp06 the primary power supply filter 220uf/400v
GRADIENTEGV-607
Display with low brightness.Capacitor c22 (100uf x 10v).
GRADIENTEGT2020
Image shakes when changing channels.Replace transistor q6 e capacitor c3118.
GRADIENTEGT2011
Does not turn on, power supply pulsing 3 times and returning to stand by.Ci vertical.
GRADIENTEGT1410
Does not turn on, power supply pulsing at 1x4 cadence.Resistor rp51 (110k) aberto.