Panasonic SA-PT460 - 9.19. Replacement of Digital Amp IC (IC5300); Digital Amp IC (IC5300) Replacement

Step 4 Solder pins of the digital amp IC (IC5200) on the
reverse side of D-Amp P.C.B.
Special Note: Ensure pins of the digital amp IC (IC5200) are
properly seated and soldered on D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 9.17.1
9.19. Replacement of Digital Amp IC
(IC5300)
•
• •
• Follow (Step 1) to (Step 3) of Item 9.3.
•
• •
• Follow (Step 1) to (Step 2) of Item 9.17.
Step 1 Desolder pins of the digital amp IC (IC5300) on the
reverse side of D-Amp P.C.B.
Step 2 Remove 1 screw.
Step 3 Remove the TR spring in the direction of arrows.
Step 4 Remove the digital amp IC (IC5300) from the heatsink
unit A.
Caution: Handle the heatsink unit A with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Note: Refer to the diagrams of D-Amp P.C.B. (Item 20.4.) for
location of the part.
9.19.1. Assembly of Digital Amp IC
(IC5300)
Step 1 Fix the digital amp IC (IC5300) to the heatsink unit A.
52
SA-PT460EB / SA-PT460EG