Replacement Of Audio Digital - Panasonic SA-AK870GCP Service Manual

SA-AK870GCP
seated properly at the chassis support.
• Disassembly of Fan Unit
Step 9 : Remove 1 screw.
Step 10 : Remove Fan Unit.

8.22. Replacement of Audio Digital

Amp IC (IC5400)
• Follow the (Step 1) - (Step 6) of Item 8.3
• Follow the (Step 1) - (Step 11) of Item 8.4
• Follow the (Step 1) - (Step 8) of Item 8.21
Step 1 : Desolder pins of Audio Digital Amp IC (IC5400) on
reverse side of D-Amp P.C.B..
Step 2 : Remove 1 screw.
Step 3 : Remove TR Spring in the direction of arrow shown.
Step 4 : Remove Audio Digital Amp IC (IC5400) from the heat
sink unit A.
Caution : Avoid touching the Heat Sink Unit A during
replacement due to its hight temperature as it may lead to
injuries/shock.
8.22.1. Assembly of Audio Digital Amp IC
(IC5400)
Step 1 : Mount the Audio Digital Amp IC (IC5400) onto the D-
Amp P.C.B..
Caution : Ensure all pins are seated properly.
Step 2 : Fix 1 screw to attach the TR Spring to the Heat Sink
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