67
8.23. Replacement of Switching Reg-
ulator IC (IC5701)
• Refer to “Disassembly of SMPS P.C.B.”
8.23.1.
Disassembly of Switching Regula-
tor IC (IC5701)
Step 1 Desolder pins of the Switching Regulator IC (IC5701) on
the solder side of SMPS P.C.B..
Step 2 Remove 1 screw from the Switching Regulator IC
(IC5701).
Step 3 Remove the Switching Regulator IC (IC5701).
Caution: Avoid touching the Heatsink Unit B 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 18.4) for
location of the parts.
8.23.2.
Assembly of Switching Regulator
IC (IC5701)
Step 1 Apply grease to the Heatsink Unit B.
Step 2 Fix the Switching Regulator IC (IC5701) onto the SMPS
P.C.B..
Caution: Ensure the Switching Regulator IC (IC5701) is
tightly screwed to the Heatsink Unit B.
Step 3 Fix and screw the Switching Regulator IC (IC5701) to
the Heatsink Unit B.
Step 4 Solder pins of the Switch Regulator IC (IC5701) on the
solder side of SMPS P.C.B..
Summary of Contents for SA-PT480PH
Page 4: ...4 1 3 1 Caution for fuse replacement ...
Page 13: ...13 ...
Page 14: ...14 5 Location of Controls and Components 5 1 Remote Control Key Button Operations ...
Page 15: ...15 5 2 Main Unit Key Button Operations 5 3 Speaker Connection ...
Page 16: ...16 5 4 Using the VIERA Link HDAVI Control ...
Page 17: ...17 ...
Page 18: ...18 5 5 Using of iPod iPhone ...
Page 19: ...19 5 6 Disc Information 5 6 1 Disc Playability Media ...
Page 20: ...20 5 6 2 File Extension Type Support WMA MP3 JPEG MPEG4 DivX ...
Page 42: ...42 8 2 Main Components and P C B Locations ...
Page 73: ...73 Caution During assembling ensure that 3P Wire is posi tioned as diagram shown ...
Page 83: ...83 ...
Page 112: ...112 ...
Page 142: ...142 ...
Page 162: ...162 MMH1004 ...