Panasonic SA-PT560EE / SC-PT560EE / SC-PT560EE Simplified Service Manual ▷ View online
7.19. Replacement of Digital Amp IC
(IC5400)
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Follow (Step 1) to (Step 3) of Item 7.3.
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Follow (Step 1) to (Step 2) of Item 7.16.
Step 1 Desolder pins of the digital amp IC (IC5400) on the
reverse side of D-Amp P.C.B.
reverse side of D-Amp P.C.B.
Step 2 Remove 1 screw.
Step 3 Remove the TR spring in the direction of arrows.
Step 4 Remove the digital amp IC (IC5400) from the heatsink
unit A.
unit A.
Caution: Handle the heatsink unit A with caution due to its
high temperature after prolonged use. Touching it may
lead to injuries.
high temperature after prolonged use. Touching it may
lead to injuries.
Note: Refer to the diagrams of D-Amp P.C.B. (Item 8.4.) for
location of the part.
location of the part.
7.19.1. Assembly of Digital Amp IC
(IC5400)
Step 1 Fix the digital amp IC (IC5400) to the heatsink unit A.
Step 2 Screw the TR spring to the heatsink unit A.
Step 3 Use a blower to remove the minute particles that might
be caused after the process of the screwing TR spring to the
heatsink unit A.
be caused after the process of the screwing TR spring to the
heatsink unit A.
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SA-PT560EE
Step 4 Solder pins of the digital amp IC (IC5400) on the
reverse side of D-Amp P.C.B.
reverse side of D-Amp P.C.B.
Special Note: Ensure pins of the digital amp IC (IC5400) are
properly seated and soldered on D-Amp P.C.B.
properly seated and soldered on D-Amp P.C.B.
Step 5 Follow (Step 5) to (Step 6) of Item 2.16.1
7.20. Disassembly of SMPS P.C.B.
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Follow (Step 1) to (Step 3) of Item 7.3.
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Follow (Step 1) to (Step 7) of Item 7.14.
Step 1 Move aside Main P.C.B. and position it according to the
diagram shown.
diagram shown.
Step 2 Remove 4 screws on SMPS P.C.B.
Step 3 Detach 8P cable at the connector (CN5500) on D-Amp
P.C.B.
P.C.B.
Step 4 Detach 11P cable at the connector (CN5802) on SMPS
P.C.B.
P.C.B.
Step 5 Remove 8P cable (SMPS P.C.B. to D-Amp P.C.B.) from
the big wire holder.
the big wire holder.
Step 6 Remove SMPS P.C.B.
Special Note: During reassembling procedures, ensure the
P.C.B. is seated properly at the locators.
P.C.B. is seated properly at the locators.
7.21. Replacement of Switch
Regulator IC (IC5701)
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Follow (Step 1) to (Step 3) of Item 7.3.
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Follow (Step 1) to (Step7) of Item 7.14.
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Follow (Step 1) to (Step 6) of Item 7.20.
Step 1 Desolder pins of the switch regulator IC (IC5701) on the
reverse side of SMPS P.C.B.
reverse side of SMPS P.C.B.
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SA-PT560EE
Step 2 Remove 1 screw from the switch regulator IC (IC5701).
Step 3 Remove the switch regulator IC (IC5701) from the
heatsink unit B.
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.
high temperature after prolonged use. Touching it may
lead to injuries.
Note : Refer to the diagrams of SMPS P.C.B. (Item 8.5.) for
location of the part.
location of the part.
7.21.1. 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.
heatsink unit B.
Special Note: Ensure the switch regulator IC (IC5701) is tightly
screwed to the heatsink unit B.
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.
reverse side of SMPS P.C.B.
Special Note: Ensure pins of the switch regulator IC (IC5701)
are properly seated and soldered on SMPS P.C.B.
are properly seated and soldered on SMPS P.C.B.
7.22. Replacement of Switch
Regulator Diode (D5702)
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Follow (Step 1) to (Step 3) of Item 7.3.
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Follow (Step 1) to (Step 7) of Item 7.14.
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Follow (Step 1) to (Step 6) of Item 7.20.
Step 1 Desolder pins of the switch regulator diode (D5702) on
the reverse side of SMPS P.C.B.
the reverse side of SMPS P.C.B.
Step 2 Desolder pins of the heatsink unit B.
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SA-PT560EE
Step 3 Remove 1 screw from the switch regulator IC (IC5701).
Step 4 Remove the heatsink unit B in the direction of arrows.
Step 5 Remove 1 screw from the switch regulator diode.
(D5702).
(D5702).
Step 6 Remove the switch regulator diode (D5702) from the
heatsink unit B.
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.
high temperature after prolonged use. Touching it may
lead to injuries.
Note : Refer to the diagrams of SMPS P.C.B. (Item 8.5) for
location of the part.
location of the part.
7.22.1. Assembly of Switch Regulator
Diode (D5702)
Step 1 Apply grease to the heatsink unit B.
Step 2 Fix and screw the switch regulator diode (D5702) to the
heatsink unit B.
Special Note: Ensure the switch regulator diode (D5702) is
tightly screwed to the heatsink unit B.
tightly screwed to the heatsink unit B.
Step 3 Fix the heatsink unit B on SMPS P.C.B. in the direction
of arrows.
of arrows.
Step 4 Fix and screw the switch regulator IC (IC5701) to the
heatsink unit B
heatsink unit B
Special Note: Ensure the heatsink unit B is properly seated on
SMPS P.C.B.
SMPS P.C.B.
Step 5 Solder pins of the switch regulator diode (D5702) on the
reverse side of SMPS P.C.B.
reverse side of SMPS P.C.B.
Step 6 Solder pins of the heatsink unit B on the reverse side of
SMPS P.C.B.
SMPS P.C.B.
Special Note: Ensure pins of the switch regulator diode
(D5702) are properly seated and soldered on SMPS P.C.B.
(D5702) are properly seated and soldered on SMPS P.C.B.
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SA-PT560EE
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