Door Protection Operation Check; Lamp Holder Protection Operation Check; High Temperature Protection Operation Check - Hitachi 50V500 Service Manual

III. ASSEMBLED P.W.B. ADJUSTMENT

12.0 DOOR PROTECTION OPERATION CHECK

Adjustment procedure
(1) Remove Lamp cover and turn the set on.
(2) Check that the lamp dose not light, and "Lamp indicator" is flash red.
(3) Turn the set off and attach Lamp cover again

13.0 LAMP HOLDER PROTECTION OPERATION CHECK

Adjustment procedure
(1)Remove Lamp holder and turn the set on.( attach Lamp cover)
(2)Check that the lamp dose not light, and "Lamp indicator" is flash red.
(3)Turn the set off and attach Lamp holder again

14.0 HIGH TEMPERATURE PROTECTION OPERATION CHECK

Adjustment procedure
(1)Remove EPF2 connector while the set is on.
(2)Check that the lamp is turned off and "Temp indicator" is flash red.
(3)Turn the set off and attach EPF2 again.
(4)Remove EPF3 connector while the set is on.
(5)Check that the lamp is turned off and "Temp indicator" is flash red.
(6)Turn the set off and attach EPF3 again.
(7) Turn the set on and connect Jig (Shown below) between temperature sensor terminals
on optical engine.
(8)Check that the lamp is turned off and "Temp indicator" is flash red.
(9)Turn the set off and remove Jig.
Jig
BACK TO ADJUSTMENTS
WIRE
60
LC37/LC37F