Panasonic SA-PT850EE Service Manual ▷ View online
10.12. Disassembly of DVD
Mechanism Unit
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Follow (Step 1) to (Step 3) of Item 10.3.
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Follow (Step 1) to (Step 4) of Item 10.4.
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Follow (Step 1) to (Step 3) of Item 10.10.
Step 1 Remove 2 screws from the DVD mechanism unit.
Step 2 Detach FFC cable from the connectors (FP8251 &
FP8531) on DVD Module P.C.B. and (CS901) on Tray Loading
P.C.B.
FP8531) on DVD Module P.C.B. and (CS901) on Tray Loading
P.C.B.
Step 3 Lift up & remove the DVD mechanism unit.
10.13. Disassembly of Relay P.C.B.
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Follow (Step 1) to (Step 3) of Item 10.3.
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Follow (Step 1) to (Step 4) of Item 10.4.
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Follow (Step 1) to (Step 3) of Item 10.10.
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Follow (Step 1) to (Step 3) of Item 10.12.
Step 1 Remove 2 screws from the Relay P.C.B.
Step 2 Detach FFC cable from the connectors (FP8002 &
FP8004)
FP8004)
Step 3 Remove Relay P.C.B.
Caution : Do not use strong or excessive force to avoid
damage to FFC cables.
damage to FFC cables.
10.14. Disassembly of DVD Module
P.C.B.
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Follow (Step 1) to (Step 3) of Item 10.3.
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Follow (Step 1) to (Step 4) of Item 10.4.
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Follow (Step 1) to (Step 3) of Item 10.10.
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Follow (Step 1) to (Step 3) of Item 10.12.
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Disassembly of Mecha Chassis
Step 1 Release the claws of the mecha chassis in the direction
of arrows at the bottom chassis.
of arrows at the bottom chassis.
Step 2 Remove the mecha chassis.
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Disassembly of DVD Module P.C.B.
Step 3 Detach the USB shield wire from the connector
(FP9002) on USB P.C.B.
(FP9002) on USB P.C.B.
Step 4 Release the claws of two mini clamps on the bottom
chassis in the direction of arrows.
chassis in the direction of arrows.
Step 5 Remove the USB shield wire from the mini clamps.
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SA-PT850EE
Step 6 Detach FFC cable from the connectors (CN2001 &
CN2010) on Main P.C.B.
CN2010) on Main P.C.B.
Step 7 Remove 1 screw from DVD Module P.C.B.
Step 8 Remove 2 screws from the rear panel.
Step 9 Release the tab of rear panel in the direction of arrow.
Step 10 Remove DVD Module P.C.B.
Caution : Do not use strong or excessive force to avoid
damage to FFC cables.
damage to FFC cables.
10.15. Disassembly of Main P.C.B.
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Follow (Step 1) to (Step 3) of Item 10.3.
Step 1 Detach FFC cable from the connectors (CN2001,
CN2007, CN2008, CN2009, CN2010, CN2013 & CN2020) on
Main P.C.B., (CS901) on Tray Loading P.C.B. and (CN5802)
on SMPS P.C.B.
CN2007, CN2008, CN2009, CN2010, CN2013 & CN2020) on
Main P.C.B., (CS901) on Tray Loading P.C.B. and (CN5802)
on SMPS P.C.B.
Step 2 Remove the wire clamper to move aside the FFC cable
(REXX0559, SMPS to D-Amp) in the direction of arrow.
(REXX0559, SMPS to D-Amp) in the direction of arrow.
Step 3 Remove 4 screws from Main P.C.B.
Step 4 Remove 8 screws from the rear panel.
Step 5 Release the tab of the rear panel in the direction of
arrow.
arrow.
Step 6 Remove Main P.C.B.
10.16. Replacement of Regulator IC
(IC2903)
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Follow (Step 1) to (Step 3) of Item 10.3.
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Follow (Step 1) to (Step 6) of Item 10.15.
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SA-PT850EE
Step 1 Desolder pins of the regulator IC (IC2903) on the back
side of Main P.C.B.
side of Main P.C.B.
Step 2 Remove 1 screw from the regulator IC (IC2903).
Step 3 Remove the regulator IC (IC2903) from the heatsink
extrussion.
extrussion.
Caution : Handle the heatsink extrussion 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 Main P.C.B. (Item 10.15) for the
location of the part.
location of the part.
10.17. Disassembly of D-Amp P.C.B.
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Follow (Step 1) to (Step 3) of Item 10.3.
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Disassembly of D-Amp P.C.B. Bracket.
Step 1 Remove 1 screw from AC-Inlet P.C.B.
Step 2 Remove the D-Amp P.C.B. bracket.
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Disassembly of D-Amp P.C.B.
Step 3 Remove the wire clamper to detach FFC cable from the
connector (CN5801) on SMPS P.C.B.
connector (CN5801) on SMPS P.C.B.
Step 4 Remove the wire clamper to detach FFC cable from the
connector (CN5501) of fan unit on D-Amp P.C.B.
connector (CN5501) of fan unit on D-Amp P.C.B.
Step 5 Detach FFC cable from the connector (CN5050) on D-
Amp P.C.B.
Amp P.C.B.
Step 6 Remove 3 screws from D-Amp P.C.B.
Step 7 Remove 5 screws from the rear panel.
Step 8 Release the tab of the rear panel in the direction of
arrow.
arrow.
Step 9 Remove D-Amp P.C.B.
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SA-PT850EE
10.18. Replacement of Digital Amp IC
(IC5000)
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Follow (Step 1) to (Step 3) of Item 10.3.
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Follow (Step 1) to (Step 9) of Item 10.17.
Step 1 Desolder pins of the digital amp IC (IC5000) on the back
side of D-Amp P.C.B.
side of D-Amp P.C.B.
Step 2 Remove 1 screw from the top of the heatsink unit A.
Step 3 Remove the TR spring in the direction of the arrow.
Step 4 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.
Note : For replacement of IC5200, IC5300 & IC5400, repeat
the (Step 1) to (Step 4). Refer to the diagrams of D-Amp P.C.B.
(Item 10.17) for location of the parts.
the (Step 1) to (Step 4). Refer to the diagrams of D-Amp P.C.B.
(Item 10.17) for location of the parts.
10.19. Disassembly of SMPS & AC-
Inlet P.C.B.
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Follow (Step 1) to (Step 3) of Item 10.3.
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Follow (Step 1) to (Step 2) of Item 10.17. for Disassembly
of D-Amp P.C.B. Bracket.
of D-Amp P.C.B. Bracket.
Step 1 Remove 3 screws from SMPS P.C.B.
Step 2 Remove 1 screw from AC-Inlet P.C.B.
Step 3 Remove the wire clamper to detach FFC cable from the
connector (CN5801) on SMPS P.C.B.
connector (CN5801) on SMPS P.C.B.
Step 4 Detach FFC cable from the connector (CN5802) on
SMPS P.C.B.
SMPS P.C.B.
Step 5 Remove the lead clamper.
Step 6 Remove 1 screw from the rear panel.
Step 7 Release the tab of the rear panel in the direction of
arrow.
arrow.
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SA-PT850EE
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