Panasonic SA-PTX7P, Service Manual

Page: 64 / 213

Be careful when disassembling and servicing.
Some chassis components may have sharp edges.
Special Note:
11 Assembling and Disassembling
“ATTENTION SERVICER”
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 Cover Assembly
• • • •
Disassembly of Top Shield
• • • •
Disassembly of Front Panel
• • • •
Disassembly of Panel P.C.B., Tact-1 P.C.B. & Tact-2 P.C.B.
• • • •
Disassembly of Main P.C.B.
• • • •
Disassembly of XM Module P.C.B.
• • • •
Disassembly of Power P.C.B.
• • • •
Replacement of Regulator IC (IC725)
• • • •
Replacement of Regulator Diode (D725/D758)
• • • •
Disassembly of Regulator P.C.B.
• • • •
Disassembly of DVD Module P.C.B.
• • • •
Disassembly of Wireless Adapter P.C.B.
• • • •
Disassembly of Audio P.C.B.
•
• •
•
Replacement of Digital Amp IC (IC102)
•
• •
•
Replacement of Regulator Transistor (Q113)
•
• •
•
Disassembly of DVD Mechanism Unit
•
• •
•
Disassembly of Relay P.C.B.
•
• •
•
Disassembly of Rear Panel
• • • •
Disassembly of D-Port P.C.B.
• • • •
Disassembly of Digital P.C.B.
• • • •
Disassembly of AC-Inlet P.C.B.
• • • •
Disassembly of Hard Disk Drive
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SA-PTX7P