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Prepare service tools before proccess service position.

Service Tools

Remarks

Panel P.C.B. (CN900) - Main P.C.B. (CN451)

REEX1021 (10P FFC)

(RTL)

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Be careful when disassembling and servicing.
Some chassis components may have sharp edges

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.

• Disassembly of Top Cabinet Assembly
• Disassembly of Headphone P.C.B.
• Disassembly of Front Panel Assembly
• Disassembly of USB P.C.B.
• Disassembly of Panel P.C.B.
• Disassembly of FL Window
• Disassembly of Centre Ornament
• Disassembly of CD Lid
• Disassembly of Main P.C.B.
• Disassembly of Power P.C.B.
• Replacement of Power Amp IC (IC5101)
• Disassembly of Transformer P.C.B.
• Replacement of Transistor (Q5901)
• Disassembly of CD Mechanism Unit (DLS6C)
• Disassembly of CD Servo P.C.B.

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The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the 
servicing.
To assemble the unit, reverse the steps shown in the chart below.

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