Disassembly Of Regulator Diodes & Transistor; Disassembly Of Switch Regulator Ic & Diode; (Ic5701/D5702) - Panasonic SA-HT441WP Service Manual

SA-HT441WP
Step 4 Release the heat sink clip in the direction of the arrows.
Step 5 Remove the digital amp IC (IC5400).
Note: Refer to the diagrams of Power P.C.B. (Section 20.3) for
location of the parts.
10.14. Disassembly of Regulator
Diodes & Transistor
· Follow (Step 1) to (Step 2) of Item 10.3.
· Follow (Step 1) to (Step 7) of Item 10.4.
· Follow (Step 1) to (Step 3) of Item 10.5.
· Follow (Step 3) to (Step 5) of Item 10.6.
· Follow (Step 1) to (Step 4) of Item 10.7.
· Follow (Step 1) to (Step 7) of Item 10.11.
Step 1 Desolder all pins of D5711, D5712, D5716 & Q5740.
Step 2 Desolder 2 pins of Heat Sink D.
Step 3 Remove the Heat Sink D from Power P.C.B.
Step 4 Remove the screws.
Step 5 Remove the regulator diodes & transistor.
Note: Refer to the diagrams of Power P.C.B. (Section 20.3) for
location of the parts.
10.15. Disassembly of Switch
Regulator IC & Diode

(IC5701/D5702)

· Follow (Step 1) to (Step 2) of Item 10.3.
· Follow (Step 1) to (Step 7) of Item 10.4.
· Follow (Step 1) to (Step 3) of Item 10.5.
· Follow (Step 3) to (Step 5) of Item 10.6.
· Follow (Step 1) to (Step 4) of Item 10.7.
· Follow (Step 1) to (Step 7) of Item 10.11.
Step 1 Desolder all pins of IC5701 & D5702.
Step 2 Desolder 2 pins of Heatsink unit.
Step 3 Remove the the Heatsink unit from Power P.C.B.
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