Power Amplifier · Marantz · Model 3300

Diagnosis: No Power

The unit shows no sign of life when connected to power.

Safe first checks

  1. Turn the unit off and unplug it before inspecting anything.
  2. Try a known-working wall outlet and inspect the power cord for damage.
  3. Check the external fuse only if the owner's or service manual identifies its location and rating.
  4. Do not substitute a larger fuse or bypass a fuse.

Need parts for this repair?

Compare replacement parts, donor units, and restoration supplies for this model. Confirm the exact part number, fit, and condition before buying.

Search eBay for Marantz Model 3300 parts

Affiliate disclosure: Vintage Stereo Doctor may earn a commission when you make a qualifying purchase through this link, at no extra cost to you.

Next step

If the correct fuse immediately blows again, stop testing and have a qualified technician inspect the power supply.