Assembling And Disassembling - Panasonic SA-PT550E Service Manual

SA-PT550E / SA-PT550EB / SA-PT550EG

10 Assembling and Disassembling

"ATTENTION SERVICER"
Be careful when disassembling and servicing.
Some chassis components may have sharp edges.
Special Note:
1. This section describes the disassembly procedures for all the major printed circuit boards and main components.
2. Before the disassembly process was carried out, do take special note that all safety precautions are to be carried out.
(Ensure that no AC power supply is connected during disassembling.)
3. For assembly after operation checks or replacement, reverse the respective procedures.
Special reassembly procedures are described only when required.
4. The Switch Regulator IC may have high temperature after prolonged use.
5. Use caution when removing the top cabinet and avoid touching heat sinks located in the unit.
6. Select items from the following index when checks or replacement are required.
· Disassembly of Top Cabinet
· Disassembly of DVD Lid (When taking out disc manually)
· Disassembly of Front Panel
· Disassembly of Volume P.C.B.
· Disassembly of Panel P.C.B.
· Disassembly of USB P.C.B.
· Disassembly of Scart P.C.B.
· Disassembly of Rear Panel
· Disassembly of DVD Mechanism Unit
· Disassembly of Relay P.C.B.
· Disassembly of DVD Module P.C.B.
· Disassembly of Main P.C.B.
· Replacement of Regulator IC (IC2903)
· Disassembly of D-Amp P.C.B.
· Replacement of Digital Amp IC (IC5000)
· Disassembly of SMPS & AC-Inlet P.C.B.
· Replacement of Switch Regulator IC & Diode (IC5701/D5702)
· Replacement of Regulator Diodes (D5801 & D5802)
· Replacement of Regulator Diode (D5803)
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