JVC TH-A25 manual Troubleshooting, Problem, Possible Cause, The CONTROL TV button has been pressed

Models: TH-A25

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Troubleshooting

Troubleshooting

Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC service center.

PROBLEM

Power does not come on.

The remote control does not work.

POSSIBLE CAUSE

The power cord is not plugged in.

It is too far from the center unit, or is not facing the center unit.

There is something obstructing the remote sensor.

The CONTROL TV button has been pressed.

The battery is flat.

The battery has been inserted the wrong way round (+/–).

Sunlight is falling directly on the detector.

SOLUTION

Insert the plug into the socket.

Come close to the center unit.

Avoid any obstacles.

Press DVD, FM/AM, or AUX to operate the system. (See page 42.)

Replace the battery.

Insert the battery correctly.

Shade the remote control from direct sunlight.

No sound.

Sound is emitted from only one speaker.

No video.

A disc cannot be played.

There is a short in the speaker cord.

The audio cord is not connected properly.

An incorrect source has been selected.

Muting is on.

The speaker cord is not connected correctly.

Left-right balance is incorrect.

The video cord is not connected properly.

TV input selection is incorrect.

The system and disc region code numbers are incompatible.

The disc causes the parental (rating) error.

Reconnect the speaker cord.

Connect the cord properly. (See page 9.)

Select the correct source. (See pages 10 to 14.)

Press MUTING to cancel muting.

Connect the cord properly. (See page 7.)

Adjust balance. (See page 15.)

Connect the cord properly. (See page 8.)

Select the correct input.

Replace the disc. (See page 19.)

Enter password to change the parental (rating) level. (See page 40.)

“WRONG DISC” appears on the display.

“NO DISC” appears on the display though a disc is inserted.

Video and audio are distorted.

The edge is missing on the video image.

An incompatible disc is loaded. (See page

Replace the disc.

 

 

19.)

 

 

 

 

 

 

 

 

 

The disc is dirty.

Clean the disc.

The disc is scratched.

Replace the disc.

 

 

 

 

 

The disc is dirty.

Clean the disc.

A VCR is connected between the center unit • Connect the center unit and TV directly. and the TV.

• Initial setup (TV screen size) is incorrect.

• Set TV screen size correctly.

 

(See page 37.)

Continuous static during FM broadcasts.

The system does not work correctly.

The received signal is too weak.

The station is too far away.

The antenna is not connected correctly.

Lightning or electronic noise interferes with operation of the microcomputer.

Immediately after beginning to heat the room, the unit was moved to a cold location causing condensation to form inside.

Connect an external FM antenna (see page 5), or contact your dealer.

Select another station.

Check the connection. (See page 5.)

Switch power off, and remove and re-insert the power plug in the socket.

When the system is not restored with the operation above, switch power off and press and hold 7 on the main unit for 5 seconds. The STANDBY lamp goes off for a moment and the microcomputer is reset*.

*This operation erases all the stored settings. Do not carry out this without necessity.

Switch power off and leave the unit a few hours before switching power on again.

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JVC TH-A25 manual Troubleshooting, Problem, Possible Cause, The CONTROL TV button has been pressed, Solution