Read Panasonic PT-EX16KU / PT-EX16KE (serv.man3) Service Manual online
-11-
Circuit Protections
There are the thermal fuses (SW903, SW904, SW905 and SW906) inside of
the projector to detect the internal temperature rising abnormally. When the
internal temperature around lamps reaches near 99˚C, the thermal fuse will
open to cut off the power supply to the lamp power circuit.
If one of the thermal fuses opens, the projector cannot turn on the lamps. If
the STAND-BY indicator is lighting and others are blinking, one of the ther-
mal fuses may be opened. Thermal fuse replacement is required. The re-
placement of the thermal fuses must be done with a set of 4 fuses at once.
the projector to detect the internal temperature rising abnormally. When the
internal temperature around lamps reaches near 99˚C, the thermal fuse will
open to cut off the power supply to the lamp power circuit.
If one of the thermal fuses opens, the projector cannot turn on the lamps. If
the STAND-BY indicator is lighting and others are blinking, one of the ther-
mal fuses may be opened. Thermal fuse replacement is required. The re-
placement of the thermal fuses must be done with a set of 4 fuses at once.
SW903
Thermal fuses (SW903, SW904, SW905, SW906)
SW904
SW905
SW906
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