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Hi again Marcia and welcome back to Just Answer. Sorry you had to wait awhile but I’ll do my best to help.Initially, sorry but are you able to view/continue in your other question HERE?
Or should you prefer on this new question, then please post back here.
Still, the 5-blink code is DC_ALERT3 or more particularly, a detected fault with the PANEL5V / PANEL12V.
To confirm, carefully check for the presence of +12V at resistor R4042 of the BU1 board:
R4042 would be off to 1 corner and near Q4012 underneath the BU1 board.
Yes for model KDL-32SL130, 1-873-216-12 is the power supply board; it is G1H board.
Sorry but please review post above, the proposed check is on the BU1 board. From the Service Manual, please see the board image HERE.
No prob; ...when able.
It would be on the trace side and as posted above "...underneath the BU1 board..."
Check at the bottom side of the BU1 board please.
I reviewed the Service Manual and particularly the layout and enlarged it. And yes, the parts were as above described.
The posted board layout of a BU1 board was directly from the Service Manual of a KDL-32SL130 / WAX3 Chassis. Differences in the last digits would often indicate board revisions. Still, the general layout would be the same.
Perhaps another member can provide the layout specifically for a 1-873-477-12.
Let me re-open the question by opting out.