Replacement Of Audio Digital - Panasonic SA-AK570PL Servise Manual

SA-AK570PL / SA-AK570GCP
Step 7 Lift up D-Amp P.C.B. as arrow shown.
Note: During reassembling procedures, ensure the P.C.B. is
seated properly at the chassis support.

8.23. Replacement of Audio Digital

Amp IC (IC5400)
• Follow the (Step 1) - (Step 5) of Item 8.4
• Follow the (Step 1) - (Step 12) of Item 8.5
• Follow the (Step 1) - (Step 7) of Item 8.22
Step 1 Flip over D-Amp P.C.B..
Step 2 Desolder pins of the Audio Digital Amp IC (IC5400) on
the reverse side of D-Amp P.C.B..
Step 3 Remove 1 screw.
Step 4 Remove TR Spring in the direction of arrow shown.
Step 5 Remove Audio Digital Amp IC (IC5400) from the heat
sink unit A.
Caution: Handle the heat sink Unit A power unit with
caution due to its high temperature after prolonged use.
Touching it, may lead to injuries.
8.23.1. Assembly of Audio Digital Amp IC
(IC5400)
Step 1 Fix the Audio Digital Amp IC onto the heat sink unit A.
Step 2 Screw back TR Spring onto the heat sink unit A.
Make sure it is well tighten to prevent overheat.
Note: Use a blower to remove the minute particles that might
caused left on the TR Spring.
42