Assembling And Disassembling - Panasonic SA-HT743P Service Manual

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.
Use caution when removing the top cabinet and avoid touching heat sinks located in the unit.
5. Select items from the following index when checks or replacement are required.
· Disassembling the Top Cabinet
· Disassembling the Front Panel
· Disassembling the Tray Assembly
· Disassembling the Rear Panel
· Disassembling the Mechanism Base Block
· Disassembling the FL & Head phone P.C.B.
· Disassembling the HDMI Module P.C.B.
· Disassembling the Regulator P.C.B.
· Disassembling the Main P.C.B.
· Disassembling the AC Inlet, Power & Sub power P.C.B.
· Disassembly of Digital Amp IC
· Disassembly of Regulator IC
· Disassembly of Switch Regulator IC
· Disassembly of the Tray Base Guide (L) and Tray Base Guide (R)
· Disassembly of the Rotary Tray
· Disassembly of the Open Lock Gear
· Disassembly of the Close Lock Gear
· Disassembly of the Tray Motor P.C.B.and Sensor P.C.B.
· Disassembly of the Traverse Unit
· Disassembly of the Pulley Gear
· Disassembly of the Loading Motor P.C.B.
· Disassembly of the Drive Gear (A) & (B)
· Disassembly of Fixed Plate, Magnet and Clamper
· Disassembly of Cam Gear & Support Piece
· Disassembly of the Slide Plate (L) & (R) and Change Lever
· Assembly of Tray Assembly
31
SA-HT740P / SA-HT740PC