Dare To Fail
If you are new in the repair line, you have to take some risk in testing the circuit board with power on. Without power on, sometimes it will be difficult to detect a problem. Of course before you turn on the power you must know what you are doing and you have to take the risk and do not blame on others when the set do not work or the board exploded. There are many reasons why a board blow such as components installed wrongly, wrong replacement parts, did not double check other area before you turn on and etc. It is easy to blame others but not yourself. When you do a certain test, you have to take full responsibility. If a set does not work, this doesn’t mean that you are a failure, sometimes it can consider a blessing because you can spend more time on the circuit. During the investigation why a set blow, you will discover even more hidden secret and this will add more knowledge to you.
You will know that, you have to be careful when installing a component, you will know that you have to use original replacement part, you will know that you should not power on the set without the power transformer and etc. Although it takes longer time to solve the problem, the time that you have spent are well worth. The next time when you see the same equipment send for repair, i can guarantee that it will take lesser time for you to find out the fault. Dare to fail and you will see success.