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Pete, Electronic Engineer
Category: TV
Satisfied Customers: 17371
Experience:  Over 16 years of experience installing and repairing electronics.
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No standby or power light Mod.# *****?F7 Manufactured

Customer Question

No standby or power light
Mod.# *****?F7
Manufactured Jun. 2012
About 10.5 volts at the voltage regulator chip
I replaced diode 640, 607 610.
I replaced the 2 5w 2.2 Ohm resistors and r608
I replaced transistor Q601 and voltage reg. Q600
What is needed to make this set work?
Submitted: 2 years ago.
Category: TV
Customer: replied 2 years ago.
I also replaced diode 604
Expert:  Pete replied 2 years ago.
Hi there,
It is likely that there is a fault on the power supply board.
You can either replace the power supply board, or continue attempting to troubleshoot the fault at component level.
To troubleshoot at component level, you will need appropriate test equipment and a copy of the schematics. If you do not already have these, they are available at: