DIY CIRCUITS ELECTRONICS

this video is about SONY KV32U2000.the stand by led blinks 4 times and the tv doesn't start. this is a common symptom in many sony tv models.also other brands have the same issue but they dont have the blinking error code that sony does.

components needed R1=10K RESISTOR R2=1K RESISTOR R3=2K2 RESISTOR Q1=BC547 OR EQUIVALENT TRANSISTOR D1=LED DIODE IR RECEIVER - ANY INFRARED RECEIVER FROM DEVICE THAT OPERATES WITH REMOTE CONTROL AS LONG AS YOU KNOW THE PINOUT.

in this video im testing LM117-ADJ. its a low dropout voltage regulator bought cheap from ebay..is it worth bying or not?is it real or fake?whould you trust it in a project or device?