Sony TRINITRON KV-HW21P80A Service Manual page 47

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F
Troubleshooting
If you find any problem while viewing your TV, please check the following
guide. If any problem persists, contact your Sony dealer.
Symptom
Snowy picture,
noisy sound
No picture, no sound
Good picture, no sound
Dotted lines or stripes
Double images or
"ghosts"
No color
Abnormal color
patches
The 1 (standby)
indicator on your TV
flashes red several
times after every
three seconds.
TV cabinet creaks.
A "boom" sound is
heard when the TV is
turned on.
• Check the antenna cable and connection on the TV, VCR and on the wall.
• Preset the channel manually again. (See J)
• Check the antenna setup. Contact a Sony dealer for advice.
• Check the power cord, antenna and the VCR connections.
• Press ?/1 (power) or ! (main power) to turn on the TV.
• Press 2 + to increase the volume level.
• Press % to cancel the muting.
• Do not use a hair dryer or other equipment near the TV.
• Check the antenna setup. Contact a Sony dealer for advice.
• Use the fine tuning ("FINE") function. (See J)
• Turn off or disconnect the booster if it is in use.
• Check the antenna setup. Contact a Sony dealer for advice.
• Select the appropriate color system. (See J)
• Adjust the color level. (See K)
• Check the antenna setup. Contact a Sony dealer for advice.
• Keep external speakers or other electrical equipment away from the TV.
Press ! (main power) to turn off the TV for about 15 minutes, then turn it
on again to demagnetize the TV.
• Count the number of times the 1 (standby) indicator flashes. Press !
(main power) to turn off your TV. Contact your nearest Sony service
center.
• Changes in room temperature sometimes make the TV cabinet expand or
contract, making a noise. This does not indicate a malfunction.
• The TV's demagnetizing function is working. This does not indicate a
malfunction.
Solutions

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