Troubleshooting - Sony KP-XR432K90 Service Manual

Troubleshooting

If, after reading the following instructions, you have additional questions related to the use of your Sony projection TV, please contact your nearest Sony
dealer.
The picture turns off and the • The projection TV is equipped with a self-diagnosis function. If there is a problem with your projection TV, the TIMER/STAND BY indicator on the front
TIMER/STAND BY indicator on the
front panel flashes (self-diagnosis • Press ON/OFF on the projection TV to turn it off, then inform qualified Sony personnel of the number of flashes.
function)
No picture (screen not lit), no • Make sure the power cord is plugged in.
sound • Operate with the buttons on both the projection TV and the remote control.
• Check to see if the TV/VIDEO setting is correct: when watching TV, set to TV, and when watching video tapes, set to VIDEO 1, 2, or 3.
• Try another channel. It could be station trouble.
• Perform AUTO SET UP again using the SET UP button to return to the factory preset condition. (see "To perform AUTO SET UP again" on page 16)
Remote control does not • Batteries could be weak. Replace the batteries.
operate
• Press TV (FUNCTION) when operating your projection TV.
• Make sure the projection TV's power cord is connected securely to the wall outlet.
• Locate the projection TV at least 3-4 feet away from fluorescent lights.
• Check the polarity of the batteries.
Dark, poor or no picture • Adjust "Picture" in the Video menu. (see "Picture Adjustment" on page 23)
(screen lit), good sound • Adjust "Brightness" in the Video menu. (see "Picture Adjustment" on page 23)
• Check antenna/cable connections.
• Perform AUTO SET UP again using the SET UP button to return to the factory preset condition. (see "To perform AUTO SET UP again" on page 16)
• Adjust the convergence again using the FLASH FOCUS button. (see "Adjusting the Convergence Automatically (FLASH FOCUS)" on page 16)
Good picture, no sound
• Press MUTING so that "Muting" disappears from the screen. (see "MUTING" on page 17)
• Press BILINGUAL on the remote control to change the bilingual modes. (see "BILINGUAL" on page 19)
• Make sure "Speaker" is set to "On" in the Audio menu. (see "Speaker" on page 25)
• Perform AUTO SET UP again using the SET UP button to return to the factory preset condition. (see "To perform AUTO SET UP again" on page 16)
Cannot receive upper channels • Make sure "Cable" is "Off" in the Channel Set Up menu. (see "Cable" on page 28)
(UHF) when using an antenna • Use "Auto Program" to add receivable channels that are not presently in the TV's memory. (see "Auto Program" on page 28)
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panel will flash repeatedly. Counting the number of flashes helps you inform qualified Sony personnel of the projection TV's condition.