Cary Audio Design CD 308 Operating Manual

To change the voltage from 100VAC to 220VAC for a Cary Audio Design CD 308 CD player, follow these steps:

1. Check the Unit's Voltage Configuration: Look at the back panel of the CD player to see if it has a voltage selector switch. Some models have a switch that allows manual selection between 100V, 120V, 220V, or 240V.

2. If a Switch Is Present:
- Power off and unplug the unit.
- Use a small screwdriver to move the voltage selector to 220V.
- Ensure the fuse is rated properly for 220V operation (check the user manual or label near the fuse holder).
- Plug the unit into a 220V outlet.

3. If No Switch Is Present:
- The unit may require internal rewiring or transformer taps to be changed.
- This should only be done by a qualified technician or authorized service center to avoid damage or safety risks.

4. Label Update: After conversion, ensure the voltage label on the unit reflects the new operating voltage.

Note: Operating the unit at the wrong voltage can cause permanent damage. Always verify the correct procedure for your specific model.

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To change the power supply of the Cary Audio Design CD 308 from 100VAC to 220VAC, follow these steps:

1. Unplug the unit: Ensure the CD 308 is completely powered off and unplugged from the wall outlet.

2. Open the chassis: Remove the screws securing the top cover and carefully lift it off to access the internal components.

3. Locate the power transformer: Find the main power transformer inside the unit. It typically has multiple input leads for different voltage configurations.

4. Identify voltage tap wires: Look for a wiring diagram printed on the transformer or inside the chassis, showing input voltage connections (e.g., 100V, 120V, 220V, 230V, 240V). These are usually color-coded.

5. Rewire for 220VAC: Disconnect the wires connected to the 100V input tap and connect the appropriate wires for 220V input as shown in the transformer diagram. This may involve changing the position of jumpers or re-soldering wires.

6. Check fuse rating: Replace the fuse with the correct rating for 220VAC operation. The fuse value should be adjusted according to the voltage and current requirements.

7. Inspect and close: Double-check all connections for safety. Replace the cover and secure it with screws.

8. Test the unit: Plug in the unit to a 220VAC outlet and power it on. Verify that it operates correctly.

Note: If unsure or unfamiliar with working on high-voltage electronics, consult a qualified technician. Incorrect wiring can damage the unit or cause injury.

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