9.17. Replacement of Digital Amp IC
(IC5400)
•
•
•
•
Follow (Step 1) to (Step 3) of Item 9.3.
•
•
•
•
Follow (Step 1) to (Step 2) of Item 9.16.
Step 1 Desolder pins of the digital amp IC (IC5400) on the
reverse side of D-Amp P.C.B.
Step 2 Remove 1 screw at the TR spring.
Step 3 Remove the TR spring in the direction of arrows.
Step 4 Remove the digital amp IC (IC5400) from the heatsink
unit A.
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 20.4.) for
location of the part.
9.17.1. Assembly of Digital Amp IC
(IC5400)
Step 1 Fix the digital amp IC (IC5400) to the heatsink unit A.
Step 2 Screw the TR spring to the heatsink unit A.
Step 3 Use a blower to remove the minute particles that might
be caused after the process of the screwing TR spring to the
heatsink unit A.
59
SA-PT660P / SA-PT660PC
Summary of Contents for SA-PT660P
Page 12: ...12 SA PT660P SA PT660PC ...
Page 45: ...45 SA PT660P SA PT660PC ...
Page 47: ...9 2 Main Components and P C B Locations 47 SA PT660P SA PT660PC ...
Page 92: ...SA PT660P SA PT660PC 92 ...
Page 102: ...102 SA PT660P SA PT660PC ...
Page 130: ...CN5501 Fig 3 Fan Connector 130 SA PT660P SA PT660PC ...
Page 136: ...136 SA PT660P SA PT660PC ...
Page 141: ...24 Exploded Views 24 1 Cabinet Parts Location SA PT660P SA PT660PC 141 ...