Troubleshooting, Problem cause remedy – VocoPro DTX-9909K User Manual

Page 45

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45

Dolby Digital or DTS sources cannot be

played. (Dolby Digital or DTS indicator

on the front panel display does not light

up).

A “humming” sound can be heard

The sound effect cannot be recorded

A source cannot be recorded by a

recording device

This unit does not operate properly

There is noise interference from digital

or high-frequency equipment, or this

unit

The picture is disturbed

There is no picture on the TV/ video

monitor

The power suddenly turned off and

there is no sound or display

FM stereo reception is noisy

There is distortion and a clear recep-

tion cannot be found even with a high-

quality FM antenna

The desired station cannot be tuned in

with automatic tuning

Problem

Cause

Remedy

• The connected component is not set

to output Dolby Digital or DTS di

to output Dolby

to output Dolby

gital

signals

• The incorrect input channel has been

selected

• Cable(s) not connected correctly

• It is not possible to record the sound

effect with a recording device

• The recording device is not connected

to the PRE OUT (REC) jack

• The internal microcomputer has been

frozen by an external electric shock

(such as lightening or excessive static

electricity) or by a power supply with

low voltage

• The DTX-9

e DTX

e DTX 909K is too close to the

digital or high-frequency equipment

• The video source uses scrambled or

encoded signals to prevent dubbing

• The video signal is not connected to

the correct source

• The video cable is bad

• The internal temperature is too high

and the overheat-protection cicuitry has

been activated

• FM stereo broadcasts may cause this

problem when the transmitter is too far

away or the antenna input is poor

• There is multipath interference

• The signal is too weak

• Set your player to the correct setting

following it’s operating instructions

• Select the correct input channel using

the input select buttons

• Firmly connect all audio cables. If the

problem persists, the cable(s) may be

he cable(s) may

he cable(s) may

defective

• Connect the recording device to the

PRE OUT (REC) jack

• Disconnect the AV power cord from

the outlet and then plug it in after ap-

proximately 30 seconds

• Reset the DTX-9909K (instructions at

the end of this troubleshooting section)

• Move the DTX-9909K away from

yy

such equipment

• Change to a correct source

• Replace with a new cable

• Wait about 1 hour for the DTX-

9909K to cool off and then turn it back

on

• Check the antenna connections. Try

using a high-quality directional FM an-

tenna (not included)

• Use the manual tuning method

• Adjust the antenna position to elimi-

nate multipath interference

• Use a high-quality directional FM an-

tenna (not included) or use the manual

tuning method

Troubleshooting

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