Panasonic SA-PT460EB / SA-PT460EG Service Manual ▷ View online
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.
9.17. Replacement of Digital Amp IC
(IC5000)
•
•
•
•
Follow (Step 1) to (Step 3) of Item 9.3.
Step 1 Cut the 5 connecting points as indicated in the diagram.
Step 2 Detach the marked portion from the bottom chassis.
Step 3 Desolder pins of the digital amp IC (IC5000) on the
reverse side of D-Amp P.C.B.
reverse side of D-Amp P.C.B.
Step 4 Remove 1 screw from the TR spring.
Step 5 Remove the TR spring in the direction of arrows.
Step 6 Remove the digital amp IC (IC5000) 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.
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SA-PT460EB / SA-PT460EG
Note: Refer to the diagrams of D-Amp P.C.B. (Item 20.4.) for
location of the part.
location of the part.
9.17.1. Assembly of the Digital Amp IC
(IC5000)
Step 1 Fix the digital amp IC (IC5000) 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.
Step 4 Solder pins of the digital amp IC (IC5000) 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 (IC5000) are
properly seated and soldered on D-Amp P.C.B.
properly seated and soldered on D-Amp P.C.B.
Step 5 Position the bottom chassis portion in to the curves
according to the diagram shown. (Rotate the part at 180
degrees as compared to its original position)
according to the diagram shown. (Rotate the part at 180
degrees as compared to its original position)
Step 6 Screw the portion to the bottom chassis.
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SA-PT460EB / SA-PT460EG
9.18. Replacement of Digital Amp IC
(IC5200)
•
•
•
•
Follow (Step 1) to (Step 3) of Item 9.3.
•
•
•
•
Follow (Step 1) to (Step 2) of Item 9.17.
Step 1 Desolder pins of the digital amp IC (IC5200) 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 (IC5200) 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 20.4.) for
location of the part.
location of the part.
9.18.1. Assembly of the Digital Amp IC
(IC5200)
Step 1 Fix the digital amp IC (IC5200) 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-PT460EB / SA-PT460EG
Step 4 Solder pins of the digital amp IC (IC5200) 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 (IC5200) 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 9.17.1
9.19. Replacement of Digital Amp IC
(IC5300)
•
•
•
•
Follow (Step 1) to (Step 3) of Item 9.3.
•
•
•
•
Follow (Step 1) to (Step 2) of Item 9.17.
Step 1 Desolder pins of the digital amp IC (IC5300) 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 (IC5300) 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 20.4.) for
location of the part.
location of the part.
9.19.1. Assembly of Digital Amp IC
(IC5300)
Step 1 Fix the digital amp IC (IC5300) to the heatsink unit A.
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SA-PT460EB / SA-PT460EG
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