background image

USL, Inc.

JSD-80 Instruction Manual

Page 3

3rd Edition. February, 2006

Please read the entire manual before begin-

ning your installation.

1.1 Safety Notices

General Safety Summary European
Review  the  following  safety  precautions 

to  avoid  injury  and  prevent  damage  to 

this  product.  To  avoid  potential  risk,  use 

this product only as specifi ed and only for 

the  purpose  described  in  the  instruction 

manual.

To Avoid Fire and Personal Injury:

•  Use Correct Power Cable. Use only 

the power cable provided. Ensure 

that the AC power outlet is located 

near the product and is easily acces-

sible.

•  Use a Correctly Grounded Power 

Source. The Power Supply earth 

ground is established through the 

ground conductor in the power cable. 

To avoid the potential of electric 

shock, the ground conductor must be 

correct.

•  Observe Source Ratings. To avoid risk 

of fi re or electric shock, the power 

source must be 100 - 240 V AC 50-60 

Hz. (European Models)

•  Do Not Operate with Suspected Fail-

ures. If you suspect there is damage 

or malfunction with this product, call 

the factory.

•  Do Not Attempt Repair. Only a trained 

factory service person is authorized 

to repair this product.

•  Do Not Operate this Product Near 

Heat Sources. This product should 

not be located near heat sources such 

as radiators, heat registers, or stoves.

•  Provide Proper Ventilation. The oper-

ating temperature range is between 

0° C and 40° C. The humidity range is 

between 20% and 80%, non-condens-

ing. The cooling method is by convec-

tion.

•  Keep Product Surfaces Clean and Dry. 

Disconnect the power cable from the 

power source before cleaning. Do not 

use liquid cleaners or aerosol clean-

ers. Use a damp cloth for cleaning.

•  Do Not Push Objects Into Opening 

of this Product. Never insert objects 

into the product through openings.

•  Do Not Operate In Wet or Damp Con-

ditions.

•  Do Not Operate in an Explosive Atmo-

sphere.

•  Prevent the Spilling of Liquids onto 

the System Components.

•  Inspect the Power Cable and all 

Cables prior to Use. Confi rm that the 

power cable and other interconnect-

ing cables are free from damage.

Safety Standard

The  EN  60950  standard  specifies  safety 

design requirements that reduce or elimi-

nate the risk of personal injury to both the 

product user and service personnel. This 

product is designed and tested to meet the 

standards of the International Electrotech-

nical Commission (IEC) European Norm EN 

60950,  IEC  60950  (The  Standard  for  Infor-

mation  Technology  Equipment  Including 

Electrical Business Equipment).

Section 1. Introduction

Summary of Contents for JSD-80

Page 1: ...oftware 19 7 1 Installation Procedure 7 2 Opening screen 7 3 Pro le Screen 7 4 Formats Screen 7 5 Inputs Screen 7 6 Equalizer Screen 7 7 Outputs Screen 7 8 Slit Eq Analyzer 7 9 Creating Saving and Loa...

Page 2: ...are satis ed does not conform with the foregoing warranty and which is returned to our fac tory freight paid or serviced by one of our authorized contractors The foregoing warranty is exclusive and i...

Page 3: ...uct Do Not Operate this Product Near Heat Sources This product should not be located near heat sources such as radiators heat registers or stoves Provide Proper Ventilation The oper ating temperature...

Page 4: ...ne du service de l usine comp tente est autoris e pour r parer ce produit N op rez pas ce Produit Sources de la Chaleur Proches Ce produit ne devrait pas tre localis de sources de la chaleur proches t...

Page 5: ...mit diesem Produkt rufen Sie die Fabrik Versuchen Sie keine Reparatur Nur eine erzogen Fabrik Dienst Person wird erm chtigt dieses Produkt zu reparieren Operieren Sie dieses Produkt Nahe Hitze Quelle...

Page 6: ...and high frequency boost controls and emergency backup circuitry Stereo line level inputs for Non Sync with fade in plus an Auxiliary input The Microphone input is for public address use 100 digital A...

Page 7: ...Section 12 Power Input 100 240 V AC 50 60 Hz 360 mA JSD 80 Cinema Sound Processor 1 4 Technical Speci cations Rack mount chassis frame construction with plug in modules accessible behind removable fr...

Page 8: ...F Immunity EN61000 4 7 Voltage Dips Short Interrup tions and Variations Certi cations Low Voltage Directive 73 23 EEC EN EN60950 Information Technology Video and similar Electronic Apparatus Safety Re...

Page 9: ...lectrical system ground Defeating this ground by removing the ground prong is not recommended 2 2 System Cooling and Ventilation Important Care should be taken to insure the JSD 80 has adequate ventil...

Page 10: ...USL Inc JSD 80 Instruction Manual Page 10 3rd Edition February 2006 Section 3 Block Diagrams Section 3 Block Diagrams 3 1 Audio Block Diagram...

Page 11: ...USL Inc JSD 80 Instruction Manual Page 11 3rd Edition February 2006 3 2 3 2 Two Channel Analog Input Block Diagram...

Page 12: ...USL Inc JSD 80 Instruction Manual Page 12 3rd Edition February 2006 3 3 Eight Channel Eight Channel Input Block Diagram Ext 1 Ext 2...

Page 13: ...USL Inc JSD 80 Instruction Manual Page 13 3rd Edition February 2006 3 4 Control Block Diagram Diagram...

Page 14: ...ed output circuitry Two high power DSPs implement seven channels of 1 3 octave equalization plus a parametric subwoofer equalizer Test points on each channel permit connection of diag nostic instrumen...

Page 15: ...ans that the signal is too high 7 When the left indicator is green press the Mute button to signal OK The dis play will change to 1 2 Projector 1 Right Channel Adjust the main fader until the right 10...

Page 16: ...USL Inc JSD 80 Instruction Manual Page 16 3rd Edition February 2006 Section 6 Back Panel 6 1 Rear Wiring Diagram...

Page 17: ...inals are for the balanced medium low impedance microphone inputs The shield of the micro phone cable should be connected to chassis ground on pin 5 A 9 V DC power pin allows easy connection of electr...

Page 18: ...e of the main input formats The Automation common terminal is iso lated from the system ground through an internal 10 Ohm resistor to minimize ground loop problems Note When wiring the automation in p...

Page 19: ...ion of the icon The horizontal slider at the far right is the main level control or Main Fader The level may be changed from the main screen by placing the cursor over the slider holding down the left...

Page 20: ...Section 8 8 7 5 Inputs Screen There are two sections The rst section is the Preamp Controls sec tion and contains buttons to select either Projector 1 or 2 level settings for the Left and Right preamp...

Page 21: ...ith an accompany ing arrow You can move the numbers and the screen up to view the signal down to a level of 50 dB and up to 20 dB if so desired Double click on the screen and it expands to a larger re...

Page 22: ...red on the JSD 80 to the laptop s memory This data can consist of Preamp Parameters EQ Parameters Front Panel Parameters and Pro le Information Once that action has taken place the small window will c...

Page 23: ...ary raise or lower the lamp and move it in and out until the lament is centered in the spot of light This will insure that the slit is evenly illuminated thereby producing the least distortion in play...

Page 24: ...eamp controls so the gain is at the midpoint and the high frequency boost lters are at the maximum frequency 32 kHz This can be accomplished from the JSD Laptop Interface Software Connect a dual trace...

Page 25: ...adjust the SLIT EQ slider until the re sponse is at to 12 kHz 1 dB 8 3 Sum and Difference mode No Oscilloscope required When running a Cat 69P Pink Noise loop on the projector precisely adjust the le...

Page 26: ...for Projector 2 using trimpot 2 When the JSD 80 power switch is in the off position and the emergency backup power supply is present the main fader will control the bypass level 8 5 Optical Surround...

Page 27: ...S PDIF Input in the Aux format Note The system supports either an analog or digital input for Aux but not both When selecting S PDIF the Digital Delay box will appear below Input Type Since there is...

Page 28: ...tal Delay will appear The Input De lay slider controls the overall time delay required to compensate for various video projectors For example a typical DLP pro jector requires about 80 ms delay Consul...

Page 29: ...ft Surround Right Sur round Left Center Right Center or Back Surround Left Back Surround Right Before proceeding with the room equaliza tion it is imperative that the loudspeaker and crossover systems...

Page 30: ...verall shape of the auditorium response After making the EQ adjustments it may be necessary to ne tune the output level setting 4 Repeat the tuning procedure for the center right and additional channe...

Page 31: ...re adding rather than subtracting Set the nal subwoofer level so that its horizontal display 20 100 Hz is 10 dB ABOVE the horizontal display of the center channel on the REAL TIME ANALYZER 9 5 Optical...

Page 32: ...ersonality Module The personality module will provide a backup restore option in case of catastrophic pro cessor failure Make sure a Personality Module is present in the JSD 80 Module is present in th...

Page 33: ...ity Module 1 If the control card is the module that has failed you will need to remove the Personality Module from it and insert it into the replace ment control card from USL If the input or output c...

Page 34: ...n gured with the following matrix decoding options 5 1 Stereo 2 0 Stereo or Mono The 5 1 stereo option is the default setting The 2 0 stereo option is for either Left Right stereo or Center Surround s...

Page 35: ...ampli er speaker or wiring If all front channels work then the problem is in the JSD unit Check different formats to determine if only one format has a problem Refer to later section in TROUBLESHOOTI...

Page 36: ...t lamp is used There are vertical and horizontal versions of many exciter lamps Soundhead misalignment can cause distortion Eliminate source of stray light Eliminate cause of hum ground loops bad exci...

Page 37: ...uter on battery power When the Word Clock is missing on the Left Right channel pair the front LED will ash indicating a fault of the external device It will also ash if there is no external device con...

Page 38: ...nd 14 Out L 15 Chassis Gnd 16 Out LC 17 Out C 18 Chassis Gnd 19 Out RC 20 Out R 21 N C 22 Chassis Gnd 23 Out LS 24 Out RS 25 Out SW Ext 1 Analog DB 25F Ext 1 Analog DB 25F 1 Analog Gnd 2 In Rs 3 Analo...

Page 39: ...SUBWOOFER level and frequency with 35mm pink noise lm the sub woofer level in MONO should line up horizontally with the center channel display on the RTA measuring the au ditorium 6 Set SURROUND leve...

Reviews: