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
GRADIENTEM20
Screen washed.Resolder everything or ci tb1238bn,com cold solder.
GRADIENTEAT70
Am and fm defective.Am- replace r114, r121, r126, r130. e fm replace ci ic103 (lm7001).
GRADIENTEGT-1411
When changing channels it turns off and on quickly5v supply electrolytic capacitor
GRADIENTEGT-1422
No contrast.D-504 in4148 I love you
GRADIENTEGT-1422
Vertical with lines in the middleDiodo zener zd-301 de 7,5v
GRADIENTETV-14/2020
Burning of the horizontal output trt431 is 47Ω, for 120Ω
GRADIENTESM-14 /20A
Burning of the horizontal output trt431 is 47Ω to 120Ω
GRADIENTEGTV-142
Image takes time to appearC1823 = 330uf / 16v
GRADIENTE20GT-6075
Stop, output shortedC21= 7n5 / 1,6kv
GRADIENTEHRM-290S
Inoperative, 130v +b only with 25vOpen resistor r616 (1k5)
GRADIENTETV-2920
Horizontal out of frequencyD501 1n4148
GRADIENTEGT-1411
When changing channels it turns off and on quickly5v supply electrolytic capacitor
GRADIENTEGT-1422
No contrast.D-504 in4148 I love you
GRADIENTEGT-1422
Vertical with lines in the middleDiodo zener zd-301 de 7,5v
GRADIENTETV-14/2020
Burning of the horizontal output trt431 is 47Ω, for 120Ω
GRADIENTESM-14 /20A
Burning of the horizontal output trt431 is 47Ω to 120Ω
GRADIENTEGTV-142
Image takes time to appearC1823 = 330uf / 16v
GRADIENTE20GT-6075
Stop, output shortedC21= 7n5 / 1,6kv
GRADIENTEHRM-290S
Inoperative, 130v +b only with 25vOpen resistor r616 (1k5)
GRADIENTETV-2920
Horizontal out of frequencyD501 1n4148