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 8) 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.
43
SA-AK770PL / SA-AK770GCP
Summary of Contents for SA-AK770GCP
Page 7: ...7 SA AK770PL SA AK770GCP ...
Page 10: ...6 Operation Procedures 6 1 Main Unit Key Buttons Operations 10 SA AK770PL SA AK770GCP ...
Page 11: ...6 2 Remote Control Key Buttons Operations 11 SA AK770PL SA AK770GCP ...
Page 13: ...6 4 Connecting and Playing a USB Mass Storage Class Device 13 SA AK770PL SA AK770GCP ...
Page 18: ...18 SA AK770PL SA AK770GCP ...
Page 25: ...8 3 Main Components and P C B Location 25 SA AK770PL SA AK770GCP ...
Page 38: ...38 SA AK770PL SA AK770GCP ...
Page 57: ...57 SA AK770PL SA AK770GCP ...
Page 72: ...14 1 2 Main P C B 14 1 3 Panel P C B 72 SA AK770PL SA AK770GCP ...
Page 74: ...14 1 7 Tact Switch P C B Mic P C B 14 1 8 Jupiter USB P C B 74 SA AK770PL SA AK770GCP ...
Page 75: ...75 SA AK770PL SA AK770GCP ...
Page 76: ...14 2 Waveform Chart 76 SA AK770PL SA AK770GCP ...
Page 77: ...77 SA AK770PL SA AK770GCP ...
Page 78: ...78 SA AK770PL SA AK770GCP ...
Page 80: ...SA AK770PL SA AK770GCP 80 ...
Page 90: ...90 SA AK770PL SA AK770GCP ...
Page 120: ...120 SA AK770PL SA AK770GCP ...
Page 121: ...22 Exploded Views 22 1 Cabinet Parts Location SA AK770PL SA AK770GCP 121 ...
Page 122: ...SA AK770PL SA AK770GCP 122 ...
Page 123: ...22 2 Deck Mechanism Parts Locations RAA4407 S SA AK770PL SA AK770GCP 123 ...