Panasonic SA-PT250EE, Руководство по обслуживанию

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Step 1 Detach FFC cable from the connectors (CN2007,
CN2009, CN2013, CN2020 & CN9001) on Main 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.
Step 3 Remove 4 screws from Main P.C.B.
Step 4 Remove 6 screws from the rear panel.
Step 5 Release the tab of the rear panel in the direction of
arrow.
Step 6 Remove Main P.C.B.
9.14. Replacement of Regulator IC
(IC2903)
· Follow (Step 1) to (Step 3) of Item 9.3.
· Follow (Step 1) to (Step 5) of Item 9.11.
·
Follow (Step 1) to (Step 6) of Item 9.13.
Step 1 Desolder pins of the regulator IC (IC2903) on the back
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.
Caution : Handle the heatsink extrussion with caution due to its
high temperature after prolonged use. Touching it may lead to
injuries.
Note: Refer to the diagrams of Main P.C.B. (Item 9.13) for the
location of the part.
9.15. Disassembly of D-Amp P.C.B.
· Follow (Step 1) to (Step 3) of Item 9.3.
· Disassembly of D-Amp P.C.B. Bracket.
Step 1 Remove 1 screw from AC-Inlet P.C.B.
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SA-PT250GCP