Replacement Of Regulator Diode (D5801) - Panasonic SA-AK785LM-K Service Manual

9.22. Replacement of Regulator
Diode (D5801)
• Follow (Step 1) to (Step 5) of Item 9.3
• Follow (Step 1) to (Step 6) of Item 9.4
• Follow (Step 1) to (Step 6) of Item 9.14
• Follow (Step 1) to (Step 4) of Item 9.19
9.22.1. Disassembly of Regulator Diode
(D5801)
Step 1 : Desolder pins of the Regulator Diode (D5801) on the
solder side of SMPS P.C.B..
Step 2 : Remove 1 screw.
Step 3 : Remove the Regulator Diode (D5801).
Caution : During replacement of the part, avoid touching
the heatsink, it may lead to injuries.
9.22.2. Assembly
(D5801)
Step 1 : Apply grease to the Heatsink Unit C.
Step 2 : Mount & screw the Regulator Diode (D5801) to the
Heatsink Unit C on the SMPS P.C.B..
Caution : Ensure the Regulator Diode (D5801) is well tight-
ened to the Heatsink Unit C.
Step 3 : Solder pins of the Regulator Diode (D5801) on the sol-
der side of SMPS P.C.B..
Caution : Ensure pins of the Regulator Diode (D5801) is
properly seated and soldered on SMPS P.C.B..
65
of Regulator Diode