EEVblog 1602 - Sony Amplifier REPAIR ADVENTURE

Repair of a Sony HCD-SBT20B Bluetooth Stereo. What it's like to nail the repair and then, well come-a-gutsa and have to go down the rabbit hole to fix the fix all whilst battling bad design info. How VFD displays work: https://www.youtube.com/watch?v=gZIRPJt69sM Mud run video: https://www.youtube.com/watch?v=yAahT8_P-_E Tektronix autopsy: https://www.youtube.com/watch?v=VZCokbsTwmQ Forum: https://www.eevblog.com/forum/blog/eevblog-1603-sony-amplifier-repair/ 00:00 - Sony HCD-SBT20B Bluetooth Stereo with a water ingress problem 01:17 - Water isn't that bad actually, even mud. 02:49 - Comically long screwdriver time 04:09 - Vacuum Fluorescent display for all you VFD fanboys 05:10 - Annoying construction 06:14 - Logic level problem? Doesn't seem to be the PSU. 07:57 - Yuck! 09:58 - PCB ...