Optimus 31-3042 owner manual Troubleshooting, Problem Cause Suggestion

Page 51

Troubleshooting

If the receiver is not working as it should, the following suggestions might help. If you follow the suggestions in this chart and the receiver still does not work properly, contact your local RadioShack store for assistance.

Problem

Cause

Suggestion

 

 

 

 

 

 

Power does not turn on.

Power cord is disconnected.

Plug in the power cord.

 

 

 

 

Protection circuit is activated.

Unplug the power cord, then plug it in again.

 

 

 

The receiver does not respond

Static discharge has affected the re-

Unplug the power cord, then plug it in again. (If

to button presses.

ceiver.

static electricity is a problem, use the remote control

 

 

as much as possible.)

 

 

 

No sound.

Incorrect connections.

Check and correct the connections.

 

 

 

 

The mute function is activated.

Press MUTING.

 

 

 

 

The volume is turned down.

Turn up the volume.

 

 

 

 

Speaker wires are disconnected.

Connect the speaker wires.

 

 

 

 

Speakers are turned off.

Press SPEAKER so SP A appears on the display.

 

 

 

 

TAPE 2 function is engaged.

Press TAPE 2 so TAPE 2 clears from the display.

 

 

 

No picture when you select a

The selected video source is not set

Correct the problem with the selected video source.

video source.

correctly.

 

 

 

 

 

Incorrect connections.

Check and correct the connections.

 

 

 

High noise level.

Station not correctly tuned.

Adjust tuning.

 

 

 

 

Antenna not connected.

Connect the antenna.

 

 

 

 

FM antenna still coiled or is not

Stretch both ends of the antenna taut and reposition

 

pointing in the correct direction.

the antenna.

 

 

 

 

AM loop antenna not pointing in the

Adjust the AM loop antenna.

 

correct direction.

 

 

 

 

 

Noise is coming from another electri-

Try using an AC line noise filter to reduce the noise.

 

cal appliance.

 

 

 

 

Automatic tuning does not stop

Stations are too weak.

Use a better antenna.

when searching for stations.

 

 

 

 

 

Cannot make copies of video

Tapes are protected by a copy pro-

You cannot make a good copy.

tapes.

tection method.

 

 

 

 

 

Video connections are incorrect.

Check and correct the connections.

 

 

 

Remote control does not work.

Remote is set to other device.

Press the CONTROL MODE button for the device to

 

 

control (CD, TAPE, or TUNER).

 

 

 

 

Batteries are weak.

Replace the batteries.

 

 

 

Remote does not control cas-

Cassette deck or CD player is not

The feature only works with Optimus Professional

sette deck or CD player.

compatible.

Series components.

 

 

 

 

Control cable is not plugged in.

Properly connect the control cable.

 

 

 

 

Audio cables are not plugged in.

Properly connect the audio cables.

 

 

 

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Contents Audio/Video Receiver Please read before using this equipmentAudio/Video Receiver Introducing the Optimus STAV-3770 Introducing the Optimus STAV-3770 Important Safety Instructions Important Safety Instructions Contents Contents Positioning Speakers Preparing Your ReceiverPreparing Your Receiver Preparing the Speaker Wires Connecting SpeakersPreparing Your Receiver Connecting the Front Speakers Preparing Your Receiver Connecting Surround-Sound Speakers Connecting the Center SpeakerConnecting a Subwoofer Amplifier Preparing Your Receiver Connecting a Turntable Connecting a CD PlayerConnecting Cassette Decks Preparing Your Receiver Connecting a Video Monitor Connecting Video SourcesPreparing Your Receiver Connecting the Antennas AM AntennasFM Antennas Preparing Your Receiver Inner Insulation Center Wire Outer Insulation Shielding Preparing Your Receiver Using One Remote Control for More than One Unit Installing Remote Control’s BatteriesPreparing Your Receiver Connecting to AC Power Using the AC Power OutletPreparing Your Receiver Basic Operation Basic Operation Tuning the Radio Manual and Automatic TuningDirect Access Tuning Remote Control Only Basic Operation Using FM Mono Adjusting BalanceMemory Tuning Basic Operation Loudness Control Using HeadphonesBypassing the Sound Controls Remote Control Only Muting the ReceiverBasic Operation Dubbing a Cassette Tape Cassette Deck/VCR FeaturesCassette Deck/VCR Features Copying a Video Tape Playing a Video TapeCassette Deck/VCR Features Dolby Virtual Using Advanced Sound OptionsDolby Pro Logic Surround Dolby 3CH LogicUsing Advanced Sound Options Rear Level Center Mode SettingTest Tone Center LevelUsing Advanced Sound Options Effect Level Delay TimeUsing Advanced Sound Options Using the Remote Control Control Mode ButtonsReceiver/Amplifier Operation Using the Remote Control Cassette Deck Operation CD Player OperationUsing the Remote Control Problem Cause Suggestion TroubleshootingTroubleshooting Care and Maintenance Care and Maintenance FCC Wants You to Know FCC Wants You to Know Specifications AmplifierVideo Section Specifications FM Tuner AM TunerGeneral Specifications Control Index to Features by Control NameIndex to Features by Control Name RadioShack Division of Tandy Corporation Fort Worth, Texas RadioShack Division of Tandy Corporation Fort Worth, Texas