Extron Electronics IN3562R User Manual

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IN3552R / IN3562R OPERATION MANUAL - REV. 1.1 11/16/01

INTERNAL FUSES

The IN3552R / IN3562R switchers contain two internal fuses. If power is applied to the unit and neither
of the front panel LEDs is illuminated, these fuses may be blown. Open the case as described below,
locate the two fuses as indicated in the diagram below and replace blown fuses as required with new
200mA / 250V fuses.

Caution: The case opening procedure should only be done by a qualified technician in a static-free
environment. Failure to follow proper procedures could result in damage to the unit or electric shock.

Case Opening Procedure:
1. Remove power from the unit.
2. Loosen and remove the four case screws on the sides of the unit.
3. Lift off the top half of the IN3552R / IN3562R case. Capacitor C1 may store an electrical charge

even when the unit is powered down. Take care not to touch this component.

Case Closing Procedure:
Replace the top case and tighten the four case screws.

Fuse F1

Fuse F2

This manual is related to the following products:

IN3552R