Panasonic SA-BX500PP, Service Manual

Page: 39 / 163

Step 2 Remove 1 screw from the regulator diode (D5803).
Step 3 Remove the regulator diode (D5803) from the heatsink
unit C.
Caution: Handle the heatsink unit C 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 20.7) for
location of the part.
7.13.1. Assembly of Regulator Diode
(D5803)
Step 1 Apply grease to the heatsink unit C.
Step 2 Fix and screw the regulator diode (D5803) to the
heatsink unit C.
Special Note: Ensure the regulator diode (D5803) is tightly
screwed to the heatsink unit C.
Step 3 Solder pins of the regulator diode (D5803) on the
reverse side of SMPS P.C.B.
Special Note: Ensure pins of the regulator diode (D5803) are
properly seated and soldered on SMPS P.C.B.
7.14. Disassembly and checking of
D-Amp A (4CH) P.C.B.
• • • •
Follow (Step 1) to (Step 4) of Item 7.3.
• • • •
Follow (Step 1) to (Step 3) of Item 7.5.
• • • •
Follow (Step 1) to (Step 10) of Item 7.6.
• • • •
Follow (Step 1) to (Step 10) of Item 7.8.
Step 1 Slightly detach the tab of rear panel as diagram shown.
39
SA-BX500PP