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DTS DTS-6 manual

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Table of contents for the manual

  • Page 1

    DIGITAL THEATER SYSTEMS, INC. Digital Sound For Movies DTS-6 /-6D System Te sting And Troubleshooting August 1999 Digital Theater System s, Inc. 5171 Clareton Drive DTS SA, UK Agou ra Hills, CA 91301 USA Telephone: 44 (0) 118 934 9199 Telephone (818) 706-3525 Fax: 44 (0) 118 934 9198 Fax (818) 706- 1868 Email cinem atech@dtson line.com[...]

  • Page 2

    2 TABLE OF CONTENTS Pag e DTS Sy stem Test ………………………………………………………………..… 3 – 5 70mm Failsafe Test ……………………………………………………………….. 6 DTS Test Discs (history ) ………………………………………………………….. 7 Empirical Test Disc (menu) ?[...]

  • Page 3

    3 DTS-6/6D System T est Tools Required ** RTA ( real time an alyzer ) and pink noise card. Neces sary to adjust EQ in “ B” chain. ** SPL meter Projector Speed Disc ( special order f rom DTS ) DTS Technician’s Kit : • • • • 6-Track SETUP Dis c, Rev. DS1 Use d to adjust D TS- 6D l ev el s, check auto matic de fault s witching , and ve r[...]

  • Page 4

    4 DTS SYSTEM TEST 6. Index Switch. A small black momentary push button switch located below the TIMECODE HEAD OFFSET switches (behind the plate and under the LED s). I t is commonly called the “index switch”. This button can be used to i ncrement to the nex t track being play ed. This feature works on t he DT S 6- TRA CK S ET UP discs RevC and [...]

  • Page 5

    5 DTS SYSTEM TEST 13. Unblock the timec ode. Once the c i nema proce ssor automatically returns to a dig ital format, go into the theater and listen to the sound track. Verify good sound quality and lip sync. Also verify no extraneous noise during the quiet scenes. 14. DTS-6D Program med Defau lt. Use the SET -UP DS1 disc to test a ll the default f[...]

  • Page 6

    6 DTS 70mm Fail-sa fe Test NOTE: I f using one DTS-6D unit, there is no fail-safe or fall-back available on this ty pe of system. If using two DTS-6D units, verify connections to the fail-safe board. See installation manual. There are no magnetic sound tracks on DTS 70m m prints . Tools Required DTS 70mm offset m easurement film DTS 70mm formatted [...]

  • Page 7

    7 DTS TEST DISCS Below is a list of all the test discs released by DTS. Some of these test discs are obsolete and should no longer be used. I n m ost cases, the discs are obsolet e due to software changes that made them incompat ible with curr ent DTS playe rs. Normally , when a test disc is obsolete, DTS will send fre e upgraded discs to people wh[...]

  • Page 8

    8 DTS EMPIRICAL TEST DI SC Te sts # 1 t hro ugh #35 will play automatically . For a specific test, wait f or the announcem ent, then select the des ired test number on the TI M ECODE HE AD OFF SE T rotary switch es (located behind the play er's front panel acces s cover). Be sure to w rite down the curr ent offse t setti ng before y our select[...]

  • Page 9

    9 DTS SYSTEM TROUBLESHOOTING 1. Movie not playing in DTS digital sound, CP (cinema process o r ) w on’t sw itch to DTS format. Is t h e SYSTEM light blinking on the DTS player? NO System is not ready to play . Ensure movie disc(s) are in the DTS player. They should match the mov ie playing . Turn off DTS player power switch, wait 3 seconds, switc[...]

  • Page 10

    10 SYSTEM TROUBLESHOOTING 1. (continued) . Movie not playing in DT S digital sound, CP (cinem a processor) won’t switch to DTS format . * Is CP in the correct sound format ? I n most cases, DTS will automatica lly pulse the CP. • I f re-starting after film break , some autom ation systems m ay switch the CP out of the dig ital format. I f this [...]

  • Page 11

    11 SYSTEM TROUBLESHOOTIN G 2. ( continued) DTS digital m ovie defaulting to optical (analog) and not stay ing in digital. • If the reader’s g reen LE D is solid and the DTS still defaults, look at the lights on CD-ROM drives themselv es. They should blink sporadically when their disc is being read. If the d rive light is on solid , this means t[...]

  • Page 12

    12 SYSTEM TROUBLESHOOTIN G 6. Sound not in sync with pict ure. * Turn off the DTS player until the audience leav es. Get the DTS num bered leader. Thread it through DTS reader & projector. Put “00” at reader’s lens and find number at sound head. This is your OFFSET number . • If DTS leader is not av ailable, do the fram e count meth od:[...]

  • Page 13

    13 SYSTEM TROUBLESHOOTIN G 12. Noise, distortion, and other sound anom alies. * Apparent in optical as well? Not a DTS player problem . • Turn off all am ps, one by one to localize the problem. If an am p hums or is noisy, replace it. • If us ing Kin tek KT-90 subw oofer amps, thes e are prone to hum because they are s elf-pow ered. Check groun[...]

  • Page 14

    14 SYSTEM TROUBLESHOOTIN G 13. Channel output too low/high and won’t adjust. * Apparent in optical as well? Not a DTS player problem . Are all the amps on? * Apparent in DTS only, turn off the D T S player until there is tim e to troubleshoot. • Use DTS Setup Disc to verify DTS SPL adjustments. Use m ultimeter to f o llow the sig nal pa th. •[...]

  • Page 15

    15 SYSTEM TROUBLESHOOTIN G 17. Volume too loud / soft. If the ov erall volume is too loud/soft: Adjust fader pot on CP. Do not adjust DT S player trim pots behind front panel. If sound lev el not balanced between analog and digital, verify B-chain alignm ent. 18. The CP switches out of NON-SYNC to optical at show end causing noise in theater. * Ver[...]

  • Page 16

    16 SYSTEM TROUBLESHOOTIN G 20. No Subwoofer. * Verify the subwoofer am p is powered on. * Use the DTS Setup disc to verify DTS subwoofer output. * On a CP65, verify the sub switch on the CAT441 is in AUTO . * DTS-6: I f subwoofer works in optical and the stereo cable is being used for sub, verify “S1” on the D420 board (inside player) is switch[...]

  • Page 17

    17 DTS-6 /-6D UNIT TROUBLESHOOTING W hen making any repairs to the DTS player, be sure to update the TCR firmware (U14 on the D422 board). 1. DRIVE P ROBLEMS • Noisy operation • The drive m otors on in-service older DTS- 6D players are at the end of their useful life. Replace the driv e. • Flashing LED • Rapid flashing is norm al while play[...]

  • Page 18

    18 DTS-6/D TROUBLESHOOTI NG 7. WON’T BOOT / LOAD • Verify dri ve assignments and that each drive is spi nning. • Verify that th e ROM-DOS chip is programme d with the latest version firmware. NOTE: On DTS players with FUTURE DOMAIN SCSI board, the ROM-DOS RevE is located at U12 on the DTS D422 board. If the D TS player uses ADAP T EC SCSI boa[...]

  • Page 19

    19 Replaci ng CD-ROM Driv es We have used only two manufacturers of CD-ROM drives, Toshiba and TEAC. Do not substitute with any other manufacturer. Only drives approve d by DTS w ill work . Toshiba / Future Domain SCSI and the “ ROM-DOS” chip When replacing drives with ones made by Toshiba, be sure to use the current “ ROM-DOS” chip. Rememb[...]

  • Page 20

    20 REPLACI NG C D-ROM DRIVES Address the TEAC drives f or their location. DTS-6D DTS-6 Termination program med TEAC 16X Drive A : Jumper 2, 4, 6 Jum per 2, 4, 6 on Pin 4, t hat shoul d be Drive B : Jum per 0, 2, 4, 6 Jum per 0, 2, 6 removed to activate. Drive C : Jum per 0, 1, 6 TEAC 32X Drive A : J u mp e r 2 J u mp er 2 T e r mi na t io n p r o g[...]

  • Page 21

    21 DRI VE “A ” DRI VE “A ” DRI VE “ B” DRI VE “ B” DRI VE “ C” DRI VE “ C” *See not e *See not e *If you have a 2 drive unit: Pla ce ju mper over “ TERM”o n dr i ve B , o the rw is e u s e d ri v e C. *If you have a 2 drive unit: jum per over “TERM ” on drive B, ot herwise the jumper on drive C. REMOVE REMO VE 1 0 2 [...]

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  • Page 26

    26 BLINKING TIMECODE READER LED The timecode reader LED should remain brig ht and not flash more than a few times a minute. Ex cessive flashing indicates a problem and should be fixed as soon as possible. The optics on the reader should be blown off with compressed air at least once a day , but never ad just the len s . Excessive blinking can cause[...]

  • Page 27

    27 BLI NKING TI MECODE READER LED Film Instability, continued • Gently squee ze the edges of the film betwe en two finge rs as it enters the rea der, pull back slig htly a nd allow y our fing ers to ac t as shock absorbers. Repeat on the exit side of the rea der. I f the LED sta bilizes, try to find the source of instability . The following are p[...]

  • Page 28

    28[...]

  • Page 29

    29 DTS-6 (2-drives) 35m m / 70mm System Parts List D431-00 Logic break -out board (gen eric, Dolby CP50, CP100, Ody ssey s ystem ) D490-00 Logi c break-out board (Dol by C P 55) D496-00 Logi c break-out board (Dol by C P 65) D497-00 Logi c break-ou t board (UltraStereo) D715 Logi c break out board (Dolby CP500) D582 DTS-6 70m m fail- safe board (in[...]

  • Page 30

    30 DTS-6D (3-drives) 35m m / 70m m System P arts List D564 Logi c break-ou t board (Dolby C P65) D565 Logic break -out board (Dolby CP55, “generic”) D567 Interface board (Dolby CP200, CP100, CP50) D571 Logic break out board (UltraStereo JS Series) D572 Audi o break-out board (Dolby CP55, “gen eric”) D574 Au dio break-out board (Dol by CP45,[...]

  • Page 31

    31 Replacem ent Parts List Replacement Parts com mon to both the DTS-6 and DTS -6D 6303-0001-00 CD-ROM drive cleaning disc 2201-SW0D-02 Power supply module 5108-0019-00 Adaptec SCSI Board 5108-0020-00 Acqutek ( ROM ) Board 9050-0TCR-00 Firmware ( TC R ) IC, in D422-U14 9050-AQRM-04 AQRM Firmware I C, in ROM board 2006-1X02-01 Shunt, 2-pin, Molex 15[...]

  • Page 32

    32 HOW TO CONTACT DTS Technical Assistance On-Line Send email to c inematech@dtsonline.com Telephone Business hours are from 8:30am until 5:30pm PDT. After hours, an automated answering service will take your call and a DTS engineer will be paged to help y ou. Be sure to leave a clear message and include the entire telephone number where y ou can b[...]