9.23. Replacement of Switch
Regulator IC (IC5701)
•
•
•
•
Follow (Step 1) to (Step 3) of Item 9.3.
•
•
•
•
Follow (Step 1) to (Step 8) of Item 9.13.
•
•
•
•
Follow (Step 1) to (Step 6) of Item 9.19.
•
•
•
•
Follow (Step 1) to (Step 4) of Item 9.22.
Step 1 Desolder pins of the switch regulator IC (IC5701) on the
reverse side of SMPS P.C.B.
Step 2 Remove 1 screw from the switch regulator IC (IC5701).
Step 3 Remove the switch regulator IC (IC5701) from the
heatsink unit B.
Caution: Handle the heatsink unit B with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
Note: Refer to the diagrams of SMPS P.C.B. (Item 20.5.) for
location of the part.
9.23.1. Assembly of Switch Regulator IC
(IC5701)
Step 1 Apply grease to the heatsink unit B.
Step 2 Fix and screw the switch regulator IC (IC5701) to the
heatsink unit B.
Special Note: Ensure the switch regulator IC (IC5701) is tightly
screwed to the heatsink unit B.
Step 3 Solder pins of the switch regulator IC (IC5701) on the
reverse side of SMPS P.C.B.
61
SA-VK470EE
Summary of Contents for SA-VK470EE
Page 3: ...3 SA VK470EE ...
Page 12: ...12 SA VK470EE ...
Page 40: ...40 SA VK470EE ...
Page 42: ...9 3 Main Components and P C B Location 42 SA VK470EE ...
Page 54: ...9 15 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 54 SA VK470EE ...
Page 88: ...SA VK470EE 88 ...
Page 98: ...98 SA VK470EE ...
Page 116: ...SA VK470EE 116 ...
Page 124: ...SA VK470EE 124 ...
Page 136: ...136 SA VK470EE ...
Page 137: ...24 Exploded Views 24 1 Cabinet Parts Location SA VK470EE 137 ...
Page 138: ...SA VK470EE 138 ...
Page 139: ...24 2 Deck Mechanism Parts Location RAA4111 S SA VK470EE 139 ...
Page 140: ...24 3 Packaging SA VK470EE 140 ...