Panasonic TC-P50S1 User Manual
Slide #60
SS Board Isolation Procedure (TC-P42S1)
To determine if the Sustain board is causing a 8 blinks condition:
Unplug connector SS11 and connector SS33.
Press the power switch. If the TV no longer blinks 8 times, then the SS board is
defective.
defective.
Note 2:
In order to get to SS33, the A board has to be removed. Remove the 3
screws holding the A board block assembly in place.