Disassembly Of Smps & Ac-Inlet P.c.b; Disassembly Of Switch Regulator Ic (Ic5701) - Panasonic SA-PT750PL Service Manual

SA-PT750PL
Note : Refer to the diagrams of Main P.C.B. (Item 10.15.) for
location of the part.
10.17. Disassembly of SMPS & AC-
Inlet P.C.B.
• • • • Follow (Step 1) to (Step 3) of Item 10.3.
• • • • Follow (Step 1) to (Step 3) of Item 10.4.
• • • • Follow (Step 1) to (Step 4) of Item 10.5.
• • • • Follow (Step 1) to (Step 4) of Item 10.7.
Step 1 Detach FFC cable from the connectors (CN5801 &
CN5802) on SMPS P.C.B.
Step 2 Release the lead clamper.
Step 3 Remove 2 screws from AC-Inlet P.C.B. & 4 screws from
SMPS P.C.B.
Step 4 Remove the P.C.B. bracket.
Step 5 Remove 1 screw from the rear panel.
Step 6 Release the tab in the direction of arrow.
Step 7 Remove SMPS & AC-Inlet P.C.B.
Caution: Be careful of power heatsinks located on D-Amp
P.C.B., which has high temperature after prolonged use,
when removing it.
10.18. Disassembly of Switch
Regulator IC (IC5701)
• • • • Follow (Step 1) to (Step 3) of Item 10.3.
• • • • Follow (Step 1) to (Step 3) of Item 10.4.
• • • • Follow (Step 1) to (Step 4) of Item 10.5.
• • • • Follow (Step 1) to (Step 4) of Item 10.7.
• • • • Follow (Step 1) to (Step 7) of Item 10.17.
Step 1 Desolder pins of the switch regulator IC (IC5701) on the
back side of SMPS P.C.B.
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