Panasonic SB-ZT1GN, Service Manual

Page: 30 / 187

30
10 Disassembly and Assembly Instructions
10.1. Caution
“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. Do take note of the locators on each printed circuit board during reassembling procedures.
5. The Switch Regulator IC may have high temperature after prolonged use.
6. Use caution when removing the top cabinet and avoid touching heat sinks located in the unit.
7. Select items from the following index when checks or replacement are required.
Main Unit (SU-ZT1)
• Disassembly of Top Cabinet
• Disassembly of HDMI P.C.B.
• Disassembly of DSP P.C.B.
• Disassembly of Rear Panel
• Disassembly of Wireless TX P.C.B. and TX Module P.C.B.
• Disassembly of Main P.C.B.
• Disassembly of Front Cabinet
• Disassembly of Panel P.C.B. and Power SW P.C.B.
Speaker Unit (SB-ZT1)
• Disassembly of Woofer Block
• Disassembly of Middle Cabinet Assembly
• Disassembly of Extent P.C.B.
• Disassembly of SMPS P.C.B. and AC Inlet P.C.B.
• Replacement of IC5701
• Replacement of Diode (D5802)
• Disassembly of D-Amp P.C.B.
• Disassembly of RX Module P.C.B.
• Disassembly of Input P.C.B.
• Disassembly of Port Assembly (A , B) and Port Assembly (C, D)
• Disassembly of Woofer Speaker (SP1)
• Disassembly of Arm Unit
• Disassembly of Prepared Net Assembly
• Disassembly of Antenna Cover Assembly
• Disassembly of Antenna Wire
• Disassembly of Tweeter Speakers (SP2 / SP3 / SP4 / SP5)