the Power Supply P.C.B.
Step 7 Remove Power Supply P.C.B.
Special Note: During reassembling procedures, ensure the
P.C.B. is seated properly at the locators.
7.27. Replacement of Regulator IC
(IC2903)
•
• •
• Follow (Step 1) to (Step 3) of Item 7.3.
•
• •
• Follow (Step 1) to (Step 5) of Item 7.6.
•
• •
• Follow (Step 1) to (Step 7) of Item 7.14.
•
• •
• Follow (Step 1) to (Step 7) of Item 7.26.
Step 1 Desolder pins of the regulator IC (IC2903) on the
reverse side of Power Supply P.C.B.
Step 2 Desolder pins of the heatsink extrussion.
Step 3 Remove the heatsink extrussion in the direction of
arrows.
Step 4 Remove 1 screw from the regulator IC (IC2903).
Step 5 Remove the regulator IC (IC2903) from the heatsink
extrussion.
Caution: Handle the heatsink extrussion with caution due
to its high temperature after prolonged use. Touching it
may lead to injuries.
Note: Refer to the diagrams of Power Supply P.C.B. (Item 8.3)
for location of the part.
7.27.1. Assembly of Regulator IC (IC2903)
Step 1 Apply grease to the heatsink extrussion.
Step 2 Fix and screw the regulator IC (IC2903) to the heatsink
extrussion.
Special Note: Ensure the regulator IC (IC2903) is tighly
screwed to the heatsink extrussion.
36
SA-PT465EE
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