JSR 625 (serv.man2) - JBL Audio User Guide / Operation Manual. Page 14

No lights illuminate when POWER button is pressed

Unit is plugged into a live outlet

No sound is heard

Correct input function selector button has been pressed
Volume is turned up
Speakers are connected properly

Dolby Surround does not work on center and rear channels

Correct surround mode is selected
Rear and Center levels are turned up

Selecting video component produces sound but no picture

Video cables are connected properly

The TV picture does not match the sound

Video sources are properly connected to receiver
Video/Antenna Switch on TV is set to Video

No output from one or more channels

Cables are not defective: Check/replace speaker cables
The signal source is operating and providing proper 
signal output to the JSR 625

No center channel output

Dolby surround or movie mode is turned on
PHANTOM mode is not active

Tuner sound has a large amount of interference, or

The antenna is properly connected

The “Stereo” display is not illuminated, or

The antenna is properly located

Tuner sound distorts and/or volume level is too low

The antenna is set in the proper direction
The antenna is adequate to receive the desired station

Tuner is intermittent or continuously buzzing or hissing

The unit is away from fluorescent lights, TVs, motors
and other electrical appliances

Stations cannot be preset

After pressing the MEMORY button, the PRESET
button is pressed while the MEMORY indicator blinks

14

This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. So, if you have a problem, first
check this list for a possible solution. If the problem persists, consult your authorized JBL Service Center.

JSR625 Owners Manual  7/28/98 10:54 AM  Page 14