JVC Th A55 Instructions

58
System setting
You can adjust the sound and speaker settings of this system.
 The adjustments on a source take effect for the other sources.
IMPORTANT
Before using the remote control for the following 
operation; 
 Set the remote control mode selector to AUDIO
.
NOTE
Before you start operation; There is a time limit when doing the following steps. If the setting is 
cancelled before you finish, start from step 1 again.
 When selecting DVD as the source, the settings of the corresponding 
items in...

59
References
Use this chart to help you solve daily operational problems. If there is any problem  you cannot solve, contact your JVC service  center.
General
Trouble shooting
PROBLEM POSSIBLE CAUSE SOLUTION
Power does not come 
on.The power cord is not connected
 to the center unit or an 
AC outlet. Connect the power cord correctly. (
Apg. 15)
Power is not supplied to 
the powered subwoofer. The power cord of the subwoofer is not connected to an 
AC outlet. Turn off the system, plug the power cord...

References
60
DVD Playback
PROBLEM POSSIBLE CAUSE SOLUTION
No sound. The system cord and/or speaker cord is not connected. Check the connection. (A
pg. 10 – 13)
There is a short in the speaker cord. Reconnect the speaker cord.
The audio cord is not connected to AUX IN and/or 
DIGITAL IN correctly.Connect the cord correctly. (A
pg. 14)
An incorrect source has been selected. Select the correct source. (A
pg. 20)
Muting is on. Press MUTING
 to cancel muting. (A
pg. 20)
The decode mode is not set correctly....

References
61
MP3 Playback
JPEG Playback
FM/AM (MW)
Others
NOTE
 Problems may be caused by components connected to the center unit, so also read all manuals for the connected components carefully. PROBLEM POSSIBLE CAUSE SOLUTION
A disc cannot be played. No MP3 files are recorded to the disc. Replace the disc.
MP3 files do not have the file extension in their file 
names.Add correct file extension (.mp3, .Mp3, .mP3 or .MP3) 
to their file names. (A
pg. 3)
MP3 files are not recorded in a format compliant...

References
62
Aspect ratio
The ratio of vertical and horizontal sizes of a displayed image. The 
horizontal vs. vertical ratio of conventional TVs is 4:3, and that of 
wide-screens is 16:9.
Chapter
Refers to individual chapters included in a title.
Composite video signal
Refers to video signal comprised of three kinds of signals 
combined: an image signal made up of luminance and chrominance 
signals using the frequency multiplication technique; burst signal 
providing the basis for color reproduction;...

References
63
A
A-B Repeat Playback .................................................................... 49
All Channel Stereo (ALL CH ST.) ....................................... 34 – 36
Angle ............................................................................................. 42
Audio CD .................................................................................... 3, 4
Audio language (AUDIO LANGUAGE) ............................... 43, 52
Auto standby (AUTO STANDBY) ............

References
64
7Center unit (XV-THA85/XV-THA55)
Audio section
Total Harmonic Di stortion 0.01 %
NOTE: This value is measured at  System cord CONNECTOR for 
reference.
Audio input sensitivity/Impedance (at 1 kHz)
Analog input:
AUX IN: 360 mV/47 k C
Digital input*: DIGITAL IN: –21 dBm to –15 dBm (OPTICAL) (660 nm  E30 nm)
* Corresponding to Linear PCM, Dolby Digital, and DTS Digital 
Surround (with sampling frequency — 32 kHz, 44.1 kHz, 48 kHz)
Video section
Color System: PAL
Horizontal Resolution: 500...

EN
0403SKMIDEJEM © 2003 VICTOR COMPANY OF JAPAN, LIMITED
TH-A85/TH-A55 DVD DIGITAL CINEMA SYSTEM
TH-A85-55[B].book  Page 68  Friday, March 28, 2003  12:01 PM