CE Tech Tips — January 2020Kristin Hurst
Due to the danger and complexity of electronic equipment repair, the following technical tip is intended for professional reference only. Please refer to manufacturer’s recommendations as Encompass does not guarantee the accuracy, reliability or safety of this information.
Hitachi TV, 42HDS52A
Reason for Service: Lines in picture
Solution: Replacing logic board fixed set.
Panasonic TV, TC-L32C22
Reason for Service: Dead, 10 blink error
Solution: Replaced IC7301 on power supply board.
Samsung TV, TX-T2793H
Reason for Service: No picture, vertical collapsed
Solution: Replaced vertical IC and both C301 and C314.
Samsung TV, LN40A500T1FXZA
Reason for Service: Picture looks bad (smeared) but menu okay
Solution: Replacing T-Con fixed problem.
Samsung TV, UN60EH6002FXZA
Reason for Service: Very hard to turn set on; took several tries
Solution: Replacing main board fixed issue.
Samsung TV, LN40B630
Reason for Service: Dead
Solution: Replaced Q1820 and Q1821, and fuse FM8025. (3.15)
Sony TV, KP51WS510
Reason for Service: Dead, six blink error
Solution: Replaced regulator IC5004 and C5031.
Toshiba TV, 46XV640U
Reason for Service: Set has backlight and audio, but no video
Solution: Found defective cap, C506. SMD electrolytic 22uF/16V.
Vizio TV, E421VA
Reason for Service: Logo is amber in standby, when power pushed, logo turns white for second, then set shuts down
Solution: Replaced power supply.