Tv No Picture - TCL L32B2800 Service Manual

TV no picture

Measure the wave
of pin 8,9 of U1
OK
Check the circuit
between U1 and
U201
OK
Check the U201
Check the voltage of
pin 6 ,7 of u1
OK
measure the wave of
SDA and SCL
OK
Replace u1
repair the circuit of
U101 and Q102
Check the U201