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Sony XBR-75X850E No video, audio works, backlight works
I've got a fun one… I’ve factory reset the tv (power + volume down) and when powering on I can hear the setup music. Tv dims and gets brighter when pressing buttons but there is no video, just backlight. Usually when turning it on after plugging it in it will only stay on for 5 sec then turn off and flash red 5x. Hitting the power button to turn on again will result in tv staying on but still no video.
ANSWERS:
"Hi @dossauce
According to the service manual a 5 blink error code can be the G board or the B board or worst case the panel itself.
Here’s the relevant section from the manual showing the 5 blink troubleshooting flowchart
Since you have already checked the voltage on the tcon and it is OK then follow the flowchart further on and check the cables, connections, B board etc.
On p.207 it details the requirements for when the B board is changed.
Hopefully a start"
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