Before asking for service – Panasonic PT-D7500U User Manual

Page 98

Symptoms

Checkpoint

• Is the power cord securely plugged in the receptacle?

• Is the MAIN POWER switch put to the “

” position?

• Is power supply live at the receptacle?

• Is the temperature monitor (TEMP) lamp on the projector front lighting or blinking?

(Refer to page 93.)

• Is the lamp monitor (LAMP) lamp on the projector front lighting or blinking? (Refer

to page 93.)

• Is the lamp unit housing door completely attached?

• Was operation of ID setting made in a correctly way? (Refer to pages 16 and 69.)

Power does not turn on

• Is the lens covered with the cap?

• Is the screen image input connected in a correct manner?

• Is the device(s) connected to the projector working normally?

• Is the shutter function used? (Refer to page 47.)

No image appears on

screen

• Is the lens in focus? (Refer to page 41.)

• Is the projection distance adequate? (Refer to page 18-22.)

• Is the lens dirty?

• Is the projector placed vertical to the screen? (Refer to page 19.)

Screen image is blurred

• Are color strength and color tint correctly adjusted? (Refer to page 51.)

• Is the device(s) connected to the projector adjusted correctly?

Pale color / bad color

tint

• Are dry batteries consumed?
• Is polarity correct in battery setting? (Refer to page 15.)
• Are there any obstacle between the remote control and the beam receiving

window? (Refer to page 15.)

• Are you trying to operate the remote control beyond the effective range? (Refer to

page 15.)

• Is the remote 2 (REMOTE2) terminal used for external control? (Refer to page 80.)
• Is any external light interfering with the remote control operation?
• Was operation of ID setting made in a correctly way? (Refer to pages 16 and 69.)

Remote control does

not function

• Is the input selector set to correct position? (Refer to page 66.)

• Is the correct signaling system selected? (Refer to page 66-67.)

• Are there any malfunctions on the source side, such as bad video tape?

• Are you supplying a signal that is not compatible with the projector? (Refer to page 101.)

Abnormal image on the

screen

• Is the cable too long?

• Is the correct signal destination set for notebook computer screen image?

Use

and

keys for setting. (For details, refer to the instruction manual of the

computer.)

Images from PC are not

projected

Before asking for service …

try to check the following points again.