Panasonic SA-AKX95, Service Manual, Page: 53 / 150

11.19. Replacement of Audio Digital
Amp IC (IC5400)
• Refer to “Disassembly of D-Amp P.C.B.”.
Step 1 Upset the D-Amp P.C.B..
Step 2 Desolder pins of the Audio Digital Amp IC (IC5400) on
the solder side of the D-Amp P.C.B..
Step 3 Remove 1 screw.
Step 4 Remove TR Spring in the direction of arrow shown.
Step 5 Remove the Audio Digital Amp IC (IC5400).
Caution: During replacement of the part, avoid touching
the heatsink due to it's high temperature after prolonged
use. Touching it may lead to injuries.
11.19.1. Assembly of Audio Digital Amp IC
(IC5400)
Step 1 Fix the Audio Digital Amp IC (IC5400) on to the D-Amp
P.C.B..
Step 2 Screw back the TR Spring to hold the Audio Digital
Amp IC (IC5400) onto the Heatsink Unit.
Caution: Ensure pins of the Audio Digital Amp IC (IC5400)
are properly inserted into the D-Amp P.C.B..
Step 3
Solder the pins of the Audio Digital Amp IC (IC5400).
Step 4 Use a blower to remove any minute particles after the
screwing of theTR Spring.
53