Before calling service personnel

If you think something is wrong, check the followings before contacting customer service. Please see “Trouble indicationsp.65 as well.

If This Happens

Check

 

 

No power

• Is the power cord plugged in? Is it connected to the projector?

 

• Is the lamp cover loose? p.63

Power goes out

• Is the ambient temperature high? p.65

during use

• Is the air intake or air exhaust blocked? p.65

No picture

• Is the projector turned on? p.24

 

• Is the mute function on? p.28

 

• Is the brightness setting minimized? p.30

 

• Are the connections set up correctly? p.20

 

• Are all the connected devices functioning properly?

 

 

No audio

• Is the projector turned on? p.24

 

• Is the mute function on? p.28

 

• Is the volume setting minimized? p.25

 

• Are the connections set up correctly? p.20

 

• Are all the connected devices functioning properly?

 

 

Picture not

• Is the input signal supported by the projector? p.69 , p.70

displayed

• Is there something generating an abnormal video signal, for

correctly

instance the video tape?

 

 

Picture blurred

• Is the lens dirty? p.64

Part of picture

• Is the lens focus adjusted optimally? p.25

out of focus

• Is the projection distance within the projector’s supported range?

 

p.19

 

• Is the projector’s screen placement angle tilted too far? p.19

 

• Are the sharpness or sampling phase adjustments off? p.27 p.30

 

 

Image is dark

• Are the brightness or contrast adjustments off? p.30

 

• Is the lamp nearing the end of its service life? p.33

Colors too light

• Are the color, tint, R-level, G-level, or B-level adjustments off? p.30

Bad shading

• Is the screen dirty?

 

• Is the lamp nearing the end of its service life? p.33

Remote control

• Are the remote control’s batteries drained?

doesn’t work

• Are the batteries inserted into the remote control correctly? p.18

 

• Is the remote control being used within the effective range? p.18

 

• Are there any obstructions between the remote control and

 

projector?

 

• Are there any fluorescent or other bright lights shining at the

 

projector’s infrared remote sensor?

 

 

If This Happens

Check

 

 

Memory PC card

• Is the memory PC card inserted correctly?

images aren't

• Is a PC card not supported by the projector inserted? p.42

projected

• Is the CARD indicator red? p.21

 

• Are there any JPEG files saved on the memory PC card?

 

• Are the files too large or in an unsupported format for the projector?

 

Convert them with the supplied software application. p.55

The wireless

• Is the wireless LAN PC card inserted correctly?

LAN PC card

• Is a wireless LAN PC card not supported by the projector inserted?

doesn't work

The operation of cards other than the supplied product is not

 

guaranteed.

 

• Is the CARD indicator red? p.21

 

• Are the transmission mode and channel properly configured? p.38

 

• Are there any obstructions between the computer and projector?

 

• Do your computer and OS support the supplied software

 

application? p.49

Others

66

67

Page 34
Image 34
Toshiba TDP-TW90A owner manual Before calling service personnel