Hitachi 50V720 important safety instructions Power Light, Temp Indicator, Lamp Indicator

Models: 50V720

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Front Panel Controls

POWER Light

When the TV is turned ON, the Power Light will first blink to indicate that the television lamp is warming up. This light will be ON during normal operation. When the TV is turned OFF, the Power Light will blink to indicate that the television lamp will be cooling down and the light will eventually turn off.

TEMP Indicator

This light is off during normal operation. If this indicator is lit, the optic unit is too hot. If this indicator is blinking, the cooling fan has stopped. Please call service. The optic unit has an air filter that may become clogged over time. The internal termperature will increse which will trigger the temperature sensor to display an On-Screen warning. After 6 minutes, the lamp will turn off, then the TV will turn off with the TEMP LED On.

LAMP Indicator

This light is off during normal operation. If light is lit, the lamp has failed. See page 56-59 for lamp replacement procedure. Consult your Hitachi dealer for proper part. If light is blinking, lamp cover is not assembled securely after replacement.

First time use

NOTES:

 

 

 

 

1.

INDICATOR

 

INDICATION

MEANING

 

 

 

 

 

 

 

LIGHT ON

NO LAMP LIGHT

 

 

 

 

 

or BROKEN LAMP

 

 

LAMP LED

 

BLINKING

WRONG LAMP UNIT

 

 

 

 

 

ASSEMBLY / LAMP

 

 

 

 

 

DOOR OPEN

 

 

TEMP

 

LIGHT ON

Too hot inside the

 

 

 

 

OPTIC unit

 

 

LED

 

BLINKING

COOLING FAN STOPPED

 

 

 

 

 

 

 

 

INTERMEDIATE BLINKING

BEGINNING OF WARM UP

 

 

POWER

 

(0.5 SEC CYCLE)

AFTER THE POWER ON.

 

 

LED

 

LIGHT ON

NORMAL OPERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SHORT BLINKING

BEGINNING OF COOL DOWN

 

 

 

 

(0.3 SEC CYCLE)

(FOR 20 SEC.)

 

 

 

 

 

 

 

 

 

 

(TV CANNOT ACCEPT ANY CODE

 

 

 

 

 

IN THIS PERIOD EXCEPT WITHIN

 

 

 

 

 

THE BEGINNING 5 SEC.)

 

 

 

 

 

 

 

 

 

 

LONG BLINKING

COOL DOWN

 

 

 

 

(1 SEC CYCLE)

(FOR 6 MINUTES)

 

(TV CAN ACCEPT REMOTE CONTROL AND SIDE BUTTONS)

ACTION

Need to replace if

LAMP still does not light by ìPower On” again.

Check assembly condition of

LAMP UNIT

Call for Service

2.If the LAMP, TEMP, and POWER LED are blinking in the order below, the television is warming up.

POWER TEMP LAMP

3.Your Hitachi LCD Rear Projection Television may appear to be OFF when it is set to input 1 ~ input 5 and the video signal is not received from the input jacks. Please make sure the Blue Power light indicator is not lit (OFF) when you are not watching for long lasting performance.

4.Your Hitachi LCD Rear Projection Television has an internal lamp that lights up the TV screen. Make sure to turn off the Power when you do not watch the LCD Rear Projection Television for longer lamp life.

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Hitachi 50V720 important safety instructions Power Light, Temp Indicator, Lamp Indicator