CE Tech Tips — September 2017

**NOTICE**

Due the danger and complexity of electronics repair, the following shared technical tips are 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, 50V500A
Reason for Service:  All front LED indicators are flashing in sequence: Power, Temp, Lamp, Power, etc.
Solution: Replaced the lamp. 

Samsung Computer Monitor, 203B
Reason for Service:  No backlights.
Solution: Check all caps on power, inverter board.  It may have also blown a 3A fuse. 

Sony TV, KDL40EX400
Reason for Service:  Set turns on with chime, then shuts down with 6 blink code.
Solution:  Replaced the power supply module.  Part # 1-474-213-11

Sylvania TV, LC320SL1
Reason for Service:  Backlight flashes quickly, then the set shuts down.
Solution:  Replacing Q1970 fixed the set.  Used 2SC3200.

Toshiba TV, 40XV640U
Reason for Service: Has backlight, but no audio/video.
Solution: Replacing the main fixed the set.

Vizio TV, SV470M
Reason for Service:  Dead, no lights on.
Solution: Replacing the power board fixed the set.

Vizio TV, M3D421SR
Reason for Service:  Logo turns to white, but no picture, sound, OSD or control.
Solution: Updating the firmware did not fix the set.  Replaced Q19101 and Q19102, and R931, 0.1ohm, half W resistor.  All on the power board.

Vizio TV, E322VL
Reason for Service:  When you turn set on, the logo goes from amber to white, but keeps alternating amber, white then  set won’t start.
Solution:  Replacing main didn’t seem to fix the set.  This set has built-in Wi-Fi, and requires a couple of minutes to initialize the boot up. Set okay after that.