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27

TROUBLESHOOTING  TIPS

Its always a good idea to stand in the theater and listen to the first few minutes of the movie.  Listen to the sound
level and general quality of the sound.  The sound track should be in sync with the picture (wait for a dialogue
scene) and played at a comfortable level.  Even though not every scene will have surround material, do your best
to listen for the surround speakers.  Most opening musical sequences have surround information.  

Be sure the

movie discs match the film you are playing

.  Feel free to contact DTS and ask for help.

 I have a DTS print but I don't have discs

Contact your film distributor and ask for the disc(s).  Remember. a film that runs less than 90 minutes
will have only one movie disc - it should also be labeled “one disc only”.  Movies running over 90
minutes and up to 3 hours 

&

 20 minutes, will have three discs.  Longer movies will have additional discs

and special show instructions.

 

Film not in sync or doesn't sound right

Turn off the DTS-6D unit.  Check and listen that the movie is playing in optical format.  Let the film
finish playing in optical.  

Do not attempt to remedy these problems while playing in DTS

.  The

theater's technician should perform a full DTS quality check with the 

DTS SETUP

 discs and verify sync

with the demo film.  Give the technician at least one hour to complete the test and alignment.

 Volume too loud

Turn down the fader pot on cinema processor.  Do not adjust the DTS-6D trimmer pots behind the
black panel.  If sound level needs adjustment after it switches to digital, contact your theater's
technician and request a B chain alignment (to DTS).

 

DTS-6D won't switch into digital sound

- Verify movie discs are in the DTS-6D unit.  Push both 

CD-ROM

 drive’s 

EJECT

 button and if nothing

comes out, get the movie discs and insert them in the A and B drives.

- Verify the movie discs match the movie.  Push the 

EJECT

 button, and look at the movie discs.  If the

title doesn’t match the film, the DTS-6D will not play.  Find the correct movie discs, insert them in
the 

CD-ROM

 drives, and cycle power.

- If the movie was recently changed, first power off the DTS-6D unit.  Wait three seconds, then turn

the player back on.  The DTS-6D should reboot in about 30 seconds and play in digital if the correct
movie discs are in the 

CD-ROM

 drive(s).

- If the unit does not switch to digital, verify the green 

LED

 on the reader head (on projector) is glowing

brightly and steadily while the movie is running.  If the 

LED

 is dark, then verify the film is threaded

through the DTS reader and that the film has a timecode strip (located between picture and analog
sound track).  If 

no 

timecode (dots & dashes) strip is seen, call the film's distributor and request a

DTS print.

 

Switches out of DTS digital

- The sound should automatically default to optical when the DTS-6D does not see timecode for four

seconds.  Verify the green LED on the DTS reader head is glowing brightly and steadily while the
film is running.  If the light on the 

CD-ROM

 drive(s) is on solid when film is playing, it means they

cannot read disc:  Try swapping discs.

 

Switches out of DTS digital (continued)

- If the 

TIMECODE

 LED on the DTS-6D or reader head is blinking, gently squeeze the film between two

fingers as it exits the reader head.  Do the same at the entrance of the reader.  If the LED stops

Содержание DTS-6D

Страница 1: ...r the ovies INSTALLATION AND OPERATION MANUAL 35MM DTS 6D Digital Theater Systems 5171 Clareton Drive Agoura Hills CA 91301 USA Phone 818 706 3525 800 959 4109 Fax 818 706 1868 DTS SA England Telephon...

Страница 2: ...Communications Operation in a residential area may cause unacceptable interference to radio and TV reception requiring the owner or operator to take whatever steps are necessary to correct the interf...

Страница 3: ...u provide the serial number of any DTS 6D unit s or reader head s to be returned before warranty replacement units will be sent All return packaging should be clearly marked with the Return Authorizat...

Страница 4: ...__________ SOUND AMPLIFIER _________________________________________ SPEAKER SYSTEM _________________________________________ Screen model _________________________________________________ Surrounds m...

Страница 5: ...power strip is recommended to protect the DTS 6D processor SYSTEM CONSIDERATIONS A DTS digital playback system can place enormous demands on the amplifiers and speakers in your theater Some of the fac...

Страница 6: ...VII TROUBLESHOOTING 19 Inside the DTS 6D 19 External Cable Assemblies 23 External Break out Boards 23 Troubleshooting Tips 27 DTS Technical Support 28 VIII INSTALLATION DIAGRAMS 29 Timecode Read Head...

Страница 7: ...igital audio data is sampled at 44 1K samples per second APTX100 digital audio data compression 4 1 is used Transfer into the process can be made from conventionally mixed analog or digital sound mast...

Страница 8: ...ereo uses P N D571 Audio breakout board as it applies to your cinema processor CP45 CP65 use P N D574 CP55 uses P N D572 CP50 CP100 CP200 use two P N D712 cables with the D567 board mentioned above CP...

Страница 9: ...bracket and bolt into place with supplied hardware Reinstall the reel arm on the top bolt pattern of the DTS mounting bracket Using some film align the film path from the reel arm through the DTS read...

Страница 10: ...e the timecode board D422 the card with the 9 pin D connector on the rear panel and LED s on the front Near top center of the board there is a 7 position header called W1 No shunt is required for plat...

Страница 11: ...5...

Страница 12: ...s A quality surge spike suppresser made for computers is recommended Connect the 9 pin cable P N D435 from the timecode reader head to the back of the DTS 6D processor Refer to wiring drawings in Sect...

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Страница 15: ...z up to 27dB above reference 85dB You must observe your subwoofer s specifications to avoid damage to the speaker If a subwoofer is driven below its cutoff frequency its driver s may become unloaded W...

Страница 16: ...ntary push button switch located below the TIMECODE HEAD OFFSET switches Figure 3 It is commonly called the index switch This button can be used to increment to the next track being played This featur...

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Страница 18: ...ojector with the 00 at the timecode reader lens and read the number at the optical sound head solar cell IMPORTANT Make the same size film loops inside the projector when measuring the offset as when...

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Страница 20: ...have a DTS encoded trailer not listed then your trailer will not play in DTS digital sound but it will play in analog To verify you have the latest trailer disc contact DTS Customer Service Why Three...

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Страница 22: ...Most house faders should be set to 7 This may be readjusted for best play in the theater NOTE In some theaters the subwoofer will not change with the fader STARTING THE SHOW Less than a minute after p...

Страница 23: ...must be wired into the cinema processor and match the type surrounds mono stereo present in the theater The DTS 6D offset switches may have to be reset Many people have purchased extra brackets and a...

Страница 24: ...jumper which is used to force either A TYPE or SR as the fall back format installation of the jumper will override disc programming The DTS 6D will only pulse the audio processor into the digital form...

Страница 25: ...ng for single projector operation For this the jumper is in a holder position which is across top part of the header set horizontally between the 4 and 0 For dual projector operation the jumper is set...

Страница 26: ...pplied To prevent dirt from being pulled into the CD ROM drives do not block the ventilation holes the side of the DTS 6D player AVA 1501A ADAPTEC SCSI BOARD needed for TEAC CD ROM drives Must be used...

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Страница 29: ...connectors at the other end See D477 for assembly diagram EXTERNAL BREAK OUT BOARDS Logic Break out Boards These boards are used to pulse to the cinema processor to the correct playback format The ana...

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Страница 33: ...ntact your theater s technician and request a B chain alignment to DTS DTS 6D won t switch into digital sound Verify movie discs are in the DTS 6D unit Push both CD ROM drive s EJECT button and if not...

Страница 34: ...out occurs during the same place s in the movie replace the reel s In a platter house turn off the DTS 6D unit Take the unit out of the rack and open the lid Look inside at the timecode card one with...

Страница 35: ...es with tap and drill bit 8 32 and the following hardware QTY Description 2 10 x 24 x 1 2 long screws 2 3 4 x 16 x 1 long hex bolt nuts 2 3 8 lock washers D616 AA2 bracket For Norelco AA projectors Co...

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Страница 39: ...33 Wiring Diagrams Cinema Processor To DTS 6D...

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Страница 41: ...in the SR position SR JUMPER of digital Options are A TYPE SR The board is shipped in the SR position A TYPE JUMPER place this jumper between the center pin and the format you wish to return to if th...

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Страница 54: ...rn N C 21 N C Right Surround Shield 22 N C Left Surround Hi 23 15 Left Surround Right Surround Hi 24 2 Right Surround Subwoofer Hi 25 24 Subwoofer TYPE OF CONNECTOR DB25 Female DB25 Female TYPE OF CON...

Страница 55: ...49 OTHER HELPFUL DOCUMENTS...

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Страница 57: ...00 Hz 5dB to 5dB 22 Left surround sweep 400 Hz 5dB to 5dB 23 Center level sweep 400 Hz 5dB to 5dB 24 Right surround sweep 400 Hz 5dB to 5dB 25 Right level sweep 400 Hz 10dB to 20dB 26 Left level sweep...

Страница 58: ...ectors D435 00 20 ft Timecode cable standard single ended available call DTS D435 01 30 ft Timecode cable D435 02 40 ft Timecode cable D435 05 45 ft Timecode cable D435 06 60 ft Timecode cable For dua...

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Страница 60: ...cture and sound are not changing at the same time When this occurs do the steps below Sound changes before picture When threading the incoming projector roll down the film to a greater number of feet...

Страница 61: ...__________ Address _______________________________ Address ________________________________ ______________________________________ _______________________________________ Contact _____________________...

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