Additional Information

Troubleshooting

Function

Problems

Possible causes and remedies

TV reception

No picture (screen is dark),

∙ The AC power cord is disconnected.

 

no sound

/Connect the AC power cord.

 

 

∙ The video TV is switched off.

 

 

/Press POWER on the video TV. If the STANDBY lamp is

 

 

lit in red, press POWER or a program number on the

 

 

Remote Commander.

 

 

 

 

 

Good picture but no sound

∙ An earphone is connected to @ jack.

 

 

/Disconnect the earphone.

 

 

∙ "MUTING" is displayed on the screen.

 

 

/Press MUTING.

 

 

∙ Press VOL +/–.

 

 

 

 

 

No color or poor color

∙ Adjust “PICTURE,” “COLOR,” and “BRIGHTNESS” in the

 

(screen is dark) for color

PICTURE CONTROL menu. (page 18)

 

programs, but good sound

∙ Press PICTURE MODE to switch the picture setting. (page 17)

 

 

 

 

 

No picture, no sound from

∙ The connecting cord between the video TV and the input

 

video input source

source is disconnected.

 

 

/Connect it firmly.

 

 

∙ Input is not selected correctly.

 

 

/Press INPUT SELECT so that “LINE” appears. (page 18)

 

 

 

A receivable channel in your ∙The TV broadcast system is not selected correctly.

 

 

area cannot be received or

/Check the system referring to the table on page 39 and

 

the sound of the received

preset the channel manually.

 

channel is distorted.

 

 

 

 

 

 

Clock and

The clock has stopped and

∙ The power has been interrupted or the AC power cord is

timer

“--:--” is displayed.

disconnected.

 

 

/Re-set the clock and timer settings. (pages 15, 25)

 

 

 

 

Playback

Power is on, but the tape

∙ The safety device has been activated.

 

does not run.

/Switch off, disconnect the AC power cord, and leave the

 

 

set for about one minute.

 

 

 

 

 

Poor playback picture

∙ The color system is not set correctly.

 

 

/Set “COL SYS” to the setting corresponding to the color

 

 

system that the tape is recorded in. (page 20)

 

 

∙ Adjust the tracking. (page 33)

 

 

∙ The video heads are dirty.

 

 

/Clean the heads using the Sony V-25CL video head cleaning

 

 

tape (page 37). If the cleaning tape is not available in your

 

 

area, have the heads cleaned at your nearest Sony service

 

 

facility. (Do not use a commercially available wet-type

 

 

cleaning tape, as it may damage the video heads.)

 

 

∙ The tape is worn out.

 

 

/Use a new tape.

 

 

 

 

The sound drops out.

∙ The tape is defective.

 

 

 

/Use a new tape.

 

 

 

 

EN

Additional Information

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Sony KV-14VM5MT, KV-21VM6MT Troubleshooting, Additional Information, Function Problems Possible causes and remedies