Replacement Of Audio Digital Power Amp Ic (Ic5400) - Panasonic SA-PT470EB Service Manual

Step 4 Solder pins of the Audio Digital Power Amp IC (IC5300)
on the solder side of D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 9.15.2
9.18. Replacement of Audio Digital
Power Amp IC (IC5400)
9.18.1. Disassembly if Audio Digital Power
Amp IC (IC5400)
• Follow (Step 1) to (Step 3) of Item 9.3.
• Follow (Step 1) to (Step 2) of Item 9.15.
Step 1 Desolder pins of the Audio Digital Power Amp IC
(IC5400) on the solder 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 Audio Digital Power Amp IC (IC5400) from
the D-Amp P.C.B.
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 18.4.) for
location of the electrical components.
62