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DR128+Service+Manual..

1. Sov R45 TP Ci ee 155 C6 IC C8 C9 C SPI CS8b TP1 SPI TX x ENGER 100n 100n 1006 100n hoon hoon 100n 824 NS TP3 U3 US l SPI_CLK gt v SPI CS8 A d i SPI TX Q1 5 STB Q1 5 STB Q1 LEE TP4 3 Q2 3 D 3 D Q2 FP DE i i Q3 1 CLK Q3 i CLK Q3 SPI CLK Q4 E
2. 24V REG100 SUE 5VL LM 576 150 100 Soe eon Seve 1 Vout ZX D100 Sf c E 24V Vin UGSAT QC LI 100K Si FB as E3190 GND ON OFF Eo C101 P id E 3 Sns ILEX 6410 094 1 ay D 2 e I uf w LI LM393 IC100 ES Vref gt LL C107 BZY88C e 7 REG200 LM7815 15VA i CUNO S 2 1 VA VA 5VA i C200 cool 1 ran Ce03 C204 10 35 100N 10 35 100N 100N IVA m NA DLEX 6410 09 S REG302 LMe575T ADJ e SE REG303 5VA toOVA Vout C 97905 1 L300 SP Vin 4 ST a FB D300 bl u E SBYV28 100 tl am these C303 Gear EC304 C2305 E Geen 470 35 10 35 100N XZ no 10 35 100N KC ales J3 J4 CU E US Sab ECH 5VL Nx 7 NE 7 ae d IC100 LM393 LOON y 4 REG400 LM25761 ADJ is E VA 1DV REG401 15 Vout K LM7915 ve D400 Sho GND ON OFF L400 C
3. D Za AI eric UP B INS FHG BRe BR O LKee O SEGIOO I 6400 P ds S REGADI REGOS D100 LK18 C200 E LK2 O RE O 408 EONS OF ku E SS C400 EE ec SS OOS C403 C1 504 C405 C100 DAD ioe Q AS Cy O 15 O e Ges GIUM E Hs D Y _ Capo Oo CS O O e C303 5 X Sp C401 E L 309 Y Y CH Q zahl ER 5304 J4 CON2 Es IN x x5 O O REG308 Y o geck C2 e P Y x S Sie _ B O p R104 s Ik 2107 Es E O Digi1 9s y 5 C107 p 200 lo us C104 O PIS 5105 S E ae lt O gt C 5s mie oe Ak A S O MAINS IRANSFDRME
4. mans T 1 e mg D Oo d 1 2 3 4 5 6 E EK e exe O Phantom Phantom Power Power ON OFF A E ee Line Inputs Four unbalanced Line inputs are provided on RCA Phono type connectors with an internal gain trimmer LINE INPUTS o Line sources such as CD Players Tape Machines and Satellite Receivers can be plugged into the Line inputs Each of the 4 Line inputs provides two connectots amp B which allow a stereo source to be summed to mono at the input For stereo operation multiple Line input channels must be used Thus up to 2 stereo un balanced Line inputs can be accommodated The input is unbalanced 2 wire 24 Bit ADC Mic Gain Trim a Setting Line Input Gain Each of 4 Phono Line inputs has an internal gain trim potentiometer with a 12dB gain range This allows the input sensitivity to be adjusted between domestic low level 10dBV signal sources and professional high level 4dBu sources The DR128 is factory configured for 10dBV signal sources which is suitable for most domestic line level sources from CD Players Tape
5. Zl VA COMER 230 BROWN lt POWER INLET lt ENEE ve lt WA 81052 lt 18 5V rms F1 lt ORANGE 772 100 100 n n 2 cil le O 4 35V lt BRECI FUSE RATINGS d 100 120V T1 6A 24V gt 220 230V T630mA EC 150 BLACK G lt C3 C4 100 GREY Pe Tal oon Coel i HY 10000735T 100N A lt lt 10 VIDLET S O BLUE Lb MAINS SWITCH O GREEN YELLOW CAL cU 72 Y o DE ET d oan al 1 0 RFP8P05 1 C102 5 E pes 6 R105 pen LM393 777 BA T TER 47 25 IC100 e G CHANGEOVER e gt ug 2K7 NC BATTERY 24V P30 CHASSIS P4O HEATSINK N E MAINS INPUT 50 60 Hz 1V4 Max B C E F G H Ke REVISI BY ATE NOTES UNIT TITLE MANUFACTURED IN ENGLAND BY i RIGIN TS 1 RESISTORS MARKED x ARE 1 Jh M if 2 CHANGES A ALL OTHERS ARE 5 1 4W UNLESS OTHERWISE MARKED ACE Xo 3 RODUCTI I amp 27 02 97 2 ELECTROLYTIC CAPACITORS ARE F VDLTS DRAWING TITLE A LJ DRAWING No pa d E PCB TYPE AG2605 A2 PAGE 1 DF 2
6. TX 5V S1 RX CS CLK a TP2 TP6 TP5 DK CH Tei TP3 TP4 ele IE R44 SW17 x CU e D s L CO We NO ON e N O 2D CP Es O 23 O o 25 Q 225 Se Ee o E R43 OU Sw16 EE SEA G SENEC B Kalte Ro x G Ru R loc Ro MG ROG elc n exc d x W qx x Mad x Y Y Y c Y Y Y c x c C t oe Y al e LD1 LDe LDS LD4 LDS LD6 LD7 LD8 LDS LD10 L D11 L 918 Swl SWe SW3 SW4 SWD SW6 SW7 SW8 SW9 SW10 Swill 16 ER SW13 SW14 SWI5 ee ON E m aJ 0 SE UD We s lt CO ON CU Co CO CO Co o Co Co C Q Y Cc Cc ry IO Q 824 DK 824 C All AI A amp H Ae4e3L00 COMPONENT LAYER INS 21 05 97
7. VA VA tV 15 e da ks R15 DSS306 17C U7C U8C a T UL7C I 2 100 25 O C87 41 Ss 40 R17 R16 100n 100n 100n 2K2x 100K gt gt NE5532 NE5532 NE5532 OVA CNS NC2MAH C147 47 25 mu S NE5532 E OVA VR5 R217 R178 AC D R18 LOK 2K2x Pos 3 PU C103 R176 C17 d fe s 330p l d R20 10R 5VDAC OVA OVA 100 25 R260 SUA DA R19 LOOK J 7168 C161 ss 100n cep 100n 1 OVA OVA eo U23 4329 al DIFO P DIF i 18 mm 100R E SCLK AQUTL T R247 SDATA ES NE 100R DEMO 2 Sei IS 13 DUT2 anig R246 H MUTE_R ADUTR 14 Duler CG MUTE L 100R JAUTO MUTE C6 5 R245 R21 DSS306 LK 56 B 8 KK a A 3 a 100 25 m R23 R22 z a pes 100K 0VD3 OVA OVA CNG ar ge NC3MAH 10Kx 0VD3 OVA VA 47 25 1n5 NE5532 P LK3 OVA VR6 EE R226 R183 AKI R24 bees 0VA VSS 10Kx 2K2x L8 NOT FITTED C18 DSS306 cg me C124 R185 js A 1n5 Ie Kx 330p PK T 100 25 R25 OVA OVA OVA OVA 100K OVA C28 100p ISSUE ATE Allen amp Heath Kernick Industrial Estote INS 03 03 97 Penryn Cornwall England 2 INS 29 05 97 RG314 Fi BALANCE TR10 9LU RG315 Tel 44 0 1326 372070 Fox 44 0 1366 365 36 FILE ENDXF Bob NVdr1e8l
8. SEN 6 eh C1 Precaution Make sure that the Phantom Power is disconnected when using the Mic Line inputs with Line level sources Phantom Power The DR128 s Mic Line inputs are factory configured as Mic Inputs with Phantom Power ON The 15V Phantom Power voltage fed to pins 2 amp 3 of the XLR socket is sufficient for powering most condenser type microphones Ensure that balanced leads are used when using Phantom Power Note that non powered dynamic type microphones can be phantom powered without damage Each Mic Input has a link to enable or disable Phantom Power To disable Phantom Power remove the jumper links Remove the top cover to gain access to the Phantom Power links These are located on the top Mic Line PCB The locations for each channel are shown below DR128 USER GUIDE Pad Disabled d Pad Enabled Hardware Configuration 29
9. WC 1938800 HLIM 3end 39 438 D MO9 o 0 8 05 o LNdNI OV vuDE9SI o AOvc O2c V9TI NOILdO LIN SAS AO2L 001 0 4SN4 CC C SM AlddNS SNIVA OL 39V IOA SINANI OIN anoo 3QISNI 3951 HOIH 05 H ovs Bec HG 3 um NATTY A8 ONV1ON3 NI 30V SH HY SNN SA l VUN SIL ONINGY M JS Avoc DH128 USER GUIDE 16 DR128 Overview Rear Panel 1 Battery Input Standard 1 4 terminal inputs are provided for 24V DC battery operation This allows uninterrupted and full DR128 operation in the event of mains powet failure 2 Sys Net Option This slot 1s provided for future remote control and expansion options 3 RS 232 9 pin Female D Type for direct connection to a PC running WinDR System Manager software A 9 way male to 9 way or 25 way female pin to pin cable is required for connection to a PC serial port We recommend cable lengths no longer than 3m for reliable operation Do not use a Null Modem cable 4 Mic Line Inputs 8 Balanced Mic Line inputs are provided on female XLR connectors Recessed gain trim potentiom
10. ooooooooooooo ooooo0o00000000 looooooooooooooo Switch on the DR128 the unit will detect that the link 1s fitted when it powers up the password will be reset to and the security turned OFF Switch off the power again and remove the link before fitting the top cover If the link 15 left in place then the password will reset each time the unit is powered up DR128 USER GUIDE Normal Password Operation SECTION B DR SERVICE INFORMATION CAUTION Refer all installation calibration and service work to qualified service personnel Warning to the Service Engineer Allen amp Heath warns that any unauthorised changes or modifications to the DR 2 unit may invalidate the legal compliance of the unit and could void the user s authority to operate the equipment DR128 SERvICE MANUAL 2 Section B CONTENTS INTRODUCTION SERVICE AND TECHNICAL SUPPORT 3 REMOVING A CONNECTOR CIRCUIT BOARD ASSEMBLY upper amp lower 4 REMOVING THE MICROPROCESSOR CPU CIRCUIT BOARD ASSEMBLY 5 REMOVING THE FRONT PANEL CIRCUIT BOARD AS
11. pn TEST el TEST RIS E T 35d ANS Ripe AINL CMODE C54 UE BE Ene ce reg SMODE In e 5 NI SMODE 3 SOR i SOR i Ue SMODE R92 SMDDE2 C24 E l 44 B ciues ER SEL24 ud di SERE C2 ene 24 ATNR_ I C4 ene 24 SOR MCLK SOR MCLK is VCDMR SCLK QQ VCDMR SCLK 4 C30 6 7 6 e FSYNC I T Ee ex VREFR VREFR LRCK LRCK VREFR SDATA VREFR SDATA 38 F E m amp AK5391 AK5391 Jes SES is T T ali 3 r IVA OV wi TV IVA Ovi VA ivi 100R 100R 100R 47R 100R 100R 100R 47R Rel C R29 C R77 C R66 Se R67 C R76 OVA 0Vpt OVA 0VDe R30 R20 ADCI WCLK A 64 A CLK296 A ADCe WCLK_A CLK064 A CLK256 A DRI MIC INPUT PCB Allen amp Heath Kernick Industrial Estate Penryn Cornwall ISSUE DATE 1 INS 23 10 96 England e INS 30 05 97 TRIO 9LU Tel 44 0 1326 372070 EN DWD 20 07 00 Fox 44 0 1326 365736 FILE EADXFBob olrle8mic DRIC8Mic_eLolo Documents SCH Issue el Adclsch 12 20 04 29 Sep 2000 DISK NO Ce60e ISSUE SHEET 3 H 8 A3 5VA NA R 5VADC4 5VADC3 5VD 15V 99 137 7 p 34194 134 0 SR 10 35 00 oe 10 35 00n 00n of 0VD3 130 131 0VD4 10 35 1 10 25 10 25 N VA OV um VA Wen 7CAL I ICAL EFL yest RESI VREF
12. UIB TA 11 RS232 TX km SET Ws 3 JI T 12 RS232 RX I 9 2 RIUT E R B 5 o ER AX202 VSS RS232 RX RS232 TX SP TX SP RX TITLE 140017 29 Sep 2000 DISK NO C3166 DR Series SysNet VSS p a A BU d ption PCB ISSUE 1 HEADER 13X2 SHEET VSS 1 Allen amp Heath Kernick In Penryn Co England TRIO 9LU Tel 44 Fox 44 ustrial Estate nwall 1326 372070 1386 365736
13. CS DSP 28 Ee 95 1DA6 43 2 us 32 INSAC BOR WN 3 DU fe 96 IDA7 42 iid er 29 1DCL js 97 1DAB D20 40 Y A0 25 T D 98 1DA9 Del 39 e ge 5 BIA AL 24 m bo 0 Dee 5 a ESN 35 CS MM Ao ae am Do3 34 s d 24 gt gt je iuvet 7 BoR WN A ES DO 137 Si du 36 HRDY Am 5 ADCS r G 7 1DCSN n m e WELK I DDO D4 143 A gt 1 AWCLK DDI sss HD4 AWCKO z 1 DE TES HD5 AwcK 2 E D 5 m T 7 BICLKSI2 x 6 DD4 i KEE 7 CLK256 7 DDS XI 10 Sp 2 1CKODIVX E DDG X 12 Se 8 CLK064 x 20 DD D 34 n SEN ICT ASCK 28 8 I peu lt i 1 2 26 DD10 IPRET2 aie 28 0CT5 SYNC e UCT6 2 OCT MTO 3j 3 2 ve TOM GND U 33 D014 DCT9 d 5 d SE D A 0 36 DDI CTI 7 u g d e D 1 S 39 DD19 ae AT 80 al D DD20 es B u 42 DD21 z gt 78 x 2 DD22 STE4 PAT7 22 es T 133 RESET SS a Ze 57 TCK 08 E c Se 2s 56 MEN 09 I 37 S 31 TDI 27 S e Stm xn 26 mm 44 S d 72 z 54 TRSTN Gl n STEI TRST gt Ne C a gt Cc ex I BiB o OOO OB OO gt I IA 55 5 5 5 5 5 5 5 5 5 5 5 5 5 5 555 gt n L TMIX E EE E E ee ae IESUS BEA Sp56002 TOFP CU E e 94 co g P Dei lan ks Glatz od 00 0D en loai Fad LAS 2 105 GND 150R GND GND GND GND issu une Te CPU PCB Alen amp Heoth Kernick Industrial Estate ISS 1 SCOTT 13 3 97 Penryn Cornwall 155 2 JUMP TO ISS 3 AS PCB Englan
14. JKRD 1N4002 1N4002 C13 VA VA VA ISSUE mue MIC INPUT PCB LS Allen amp Heath Kernick In INS 23 10 96 Penryn Co England INS 30 05 97 RG312 MIC INPUTS 5 amp 6 TRIO 9LU EE Tel 44 DWD 09 07 00 Fox 44 FILE ENDXFBobNoIr128micNDRT28Mic 21loob Documents SCH Issue 21Mlcin3 sch 12 21 46 29 Sep 2000 DISK NO Ce602 ISSUE SHEET 5 H 8 A3 ustrial Estate nwall 1326 372070 1386 365736 9VADC3 R97 10K 0VA 5VADC3 R138 10K R134 68R R132 Uz OVA C A 110 E 117 10 35 1 Phantom Powe VA HPPV jig 125 2 je R150 4K 7x 100p 2S8737 025 C143 EER ch 258737 DSS306 d le XR ai C124 L _ x 47 63 0 UN ZU k Pi SS NI 41 05 3 IC LINE Ek x NE5532 L J20 L16 DSS306 ep TE C141 KH 41 63 SR cl27 139 100p Ne3FAH20 Ris R159 R145 R154 BK2x pxex 330 B20Rx B20Rx p 3 Dap C140 UB OVA 6 D14 D13 47 23 5 VR7B cu eu SKP VA S AN SMH BS IK VA ULIC 5536 8 4 V V 108 VA 100n 5932 VA VA Phantom Power VA Joo C145 e R172 4K7 100p TE 031 RU 05873 AS R180 ye E L20 DSS306 VRBA JKRD 129 TTA E NP 144 ZU i E 47 63 OO 47
15. N L 1 Output Channel Then Press SET Sg Use the V keys 6 Limiter O p 1 o to toggle the Limiter ACTIVE OF F ON OFF Then Press SET T Use the AV keys to 6 Limiter O P 1 o select the Threshold level Then Press SET THRESHOLD 0dB DR128 USER GUIDE Setup Menu 41 Use the AV keys to select the Attack Time Then Press SET Use the AV keys to select the Release Time Then Press SET gt SET 6 Limiter O P 1 ATTACK 100uS lt j gt 6 Limiter O P 1 RELEASE 300uS es GE lt j gt 7 Ducker Setup A Multiple Priority Ducker is provided for each input channel The Ducker will attenuate Input Channel levels to selected Output Channels when signals are detected on Priority Inputs Three Priority levels are provided Input controls are provided for Priority Threshold Depth and Release Hold Ducker Priority First select the Input Channel that will be used to duck other inputs Each Ducking Input can be assigned one of three priorities 1 maximum priority 3 minimum priority A priority 1 input can duck a lower priority input etc Ducker Threshold The Ducker Threshold determines the level required on a Priority Input to duck other inputs The Threshold values are given in dB FS The value can be selected from OdB to 60dB in 3dB steps Ducker Depth The Ducker Depth parameter determines the amount of attenuation applied to lower priority inputs when the Ducker is
16. TARCO44 Q END tro N gt SE Se SP INTERFACE AND CS DECODING m PALIN S S VCC 74HC74 HEADER 9 GND HRDYN LATCH VCC PSU CINNECTIR U20 ELE pump Ee LCD CS M is DIU 16 p 4 SI B D L x 5 Be 5 5 115 RS 5 BIDS 108 6 CD EN Dp 14 6 9 3 D13 3 b4 p 7 BIDS D x 04 T s B5 5 T gt CLK 5 Si B6 6 06 L 7 A7 8 i 19 CS PE H p X 74AC164 HU HEN 19 74HC74 DN Se 18 Bead 74HC245 Ut M Te buc 16 Wou UNUSED VCC PEIR2 AND EXPANDER DATA TRANCEIVER DN NES m 18 BIMO Ai ys o 14 Bede M 4 16 BIAI R W 8 12 B3R WN CN7 1A2 1Y IM 1Y4 Ai 6 14 BIA2 R50 RX 143 1Y3 RAL 2 8 12 LCD A0 11 BAR WN PK BIXD IM 14 2Al evi 2 o3 4 CLK512 13 mz ADCI GND 2A2 2Y2 LOS 6 R WN 1i 9 BIR WN 15 ADC 13 E a 7 BeR WN 17 B Eid 3 mz 100P AD 5 8 2A2 ev 2M 244 Ss d Zei 10 17 ene A 3 WCLK 2 18 BIWCLK apes O le 2A4 oui Xx 1G 141 Yi E 14 19 R52 AWCLK 4 16 BAVCLK ADCG 2G 142 1Y2 E 16 1 I50R 6 14 BCLK064 DACI l TARC244 8 I5 Ds 12 BCLK256 pace HI le 26 an 144 1Y4 wem 2 lt LC 22 OSZE GND 9 VCC DAC4 VCC GND ADDRESS BUFFER TO EXPANSION CONNECTOR en E 7 fest METER BRST METER es zi 2A2 A IES 25 26 ADDRESS BUFFER TO MAIN PEs S BIXD 243 2Y3 2 27 28 2A4 2Y4 29 3 3 32 RST METER ie gt 26 35 36 ant 37 38 74HCe44 vm 39 4 C30 Cal C23 32 8 C14 4 C24 C7 6 C37 C33 C16 HEA
17. A20 Ael A2 A23 LSBDUT VEC R23 10K vec R28 R26 10K 10K Rel R27 10K 10K Set HEADER 5X2 EE m 100N ERE SER GND Allen amp Heath Kernick In Penryn Co England TRIO 9LU Tel 44 Fox 44 ustrial Estate nwall 1326 372070 1386 365736 VCC VCC 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N Vtt QD GND ES R64 R63 R R60 U26 10K 10K 10K 10K SEEEEEEEEEEEEEEEEEE W 5 888 888 9 88 8888 ji z gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt gt Bi o 55 555 TI pcm x LIRE Do 68 T js 95 A T 77 IDBSN D3 67 e Se 94 A3 4 65 a e 93 M 68 1DRDN D5 64 89 A5 S 67 IDVRN 5 AS V 6 60 86 A6 D6 A6 i A z D 59 83 AQ TEES n A9 x Y D 53 75 CSN 83 1DA0 e 74 CS d 84 IDA D3 50 S See 14 WRN ei 86 1DA2 DA 48 m dis 13 RDN TUT 5 87 1DA3 DS 47 Jis SCH 104 BSN 7HREQ 3 mU fe 88 IDA DIG 46 D i 92 1DA5 D7 45 27
18. Co y Gei Gei Gei C Gei G GZ Q G EI EI EI EI EI EI EI EI EI EI E E 55 55 55 55555 U U A wo ro T T roe T roe ro T T Tu ro ro ro ro no 27 ODRESETN 36 eNSAC 09 2DCL 3 BeA0 34 7 B3R WN 36 HRDY ENDXFBobNdspxNDR Dspx db Docunents NPEG SCH AU Al Ac A3 A4 AS AG 8 DA9 EE CO CO CO CO Ei EI CZ DCSN DCS DWRN DRIN DBSN 135 _ CS_INX4 VCC C9 C16 C15 C13 vec 100N 100N 100N 100N 100N vec Di GND II SSe OG gt eV 2225 m VI T 77 PDBSN 68 PDRIN NE 67 PDWRN R i MA 82 PS 1 928 XY eS 83 2DAO 84 DAI 06 2DA2 SUR a lc HREQ 3 08 ODA oa rare M iis 92 PDAS IS DSA eB Teen NG 25 6 BIR WN 3 96 2DA7 AL aga 7 ig 97 2DA8 oM 25 98 2049 OM 04 Hn jd 0 ON ny X HA2 NIE p44 VE t GND 1 43 6 Ones 2 4 HRB D 7 2DCSN H2 P32 A5 H3 PB3 VCC 1 3B 200 H4 PB4 0 5 35 mm H5 PB5 1 6 3 3 2002 H6 P36 2 7 32 EE 1 2003 6 2104 ot SCKV0SI 5 x oO ISI 080 6 Go VCC O7 21 2DD8 critical layout 9 ee 2009 26 2DD10 um 28 do CH 30 ennt Ge 3 3l 2013 So 33
19. VCC VCC VCC CN9 CN8 CN6 OPRET d T UPRET2 1 n n 33 RUNE T PRETI 2 PRETI 2 34 2 Q 2 On 2 gt ns n 2 PRET 3 3 PRET j 5 3 4 k i SPI CSI 4 n i 30 X P 4 DPSENIS GENE SPICLK xc SPICLK 5 i 6 e S 6 6 e i 6 op t3 JLI 8 s LKN E RESET 9 2 RESET 9 5 RESET 9 a 2A 0 i BOAO 0 j BOAD 0 2A I BOA i BOAT I One 2 m 2 gt m 2 3R WN 3 z B3R WN 3 d BAR WN 3 HRDY 4 2 HRDY 1 HRDYN 4 i CS 5 Cs Wi 5 a E TS TM 5 ZS MM 6 a MX 6 A CS 6 E CS DSP3 7 Ss Cs DSPS 7 a CS DP7 7 JI 8 A DSPG 8 E CS IO 8 9 9 9 IpSEND 20 Bs qmm 2 B So DSEND lt 5 So DSEND PSENDI 21 E i DXPSENIS Si eh e 53 DRET SG Xx Sla 5 53 DRET PSEND 77 SH ee FXPSENDG Se SCH e 54 Se 22 E 54 i m 2h 23 i 23a 23 E 240 24 Nm 249 24 u 240 24 e 250 25 250 25 250 25 3 26 BID3 26 58 BID3 26 58 260 26 260 26 260 26 4 27 BID4 27 SH gt 59 BID4 27 59 05 28 am e BIDS 28 SCH 58 60 BIDS 28 ER Si 60 06 29 BID6 29 61 BID6 29 6l e 290 29 290 29 29q 29 7 30 E e 3107 3 ER s BID 30 nd 5 62 HREQ 3l j Sr INTI 31 dia x 63 31 a Se 63 WCLK 32 SR e WCLK 30 oe e 64 WCLK 32 E z 64 CDNN 64 CUNN 64 CONN
20. g CLK g CLK 81 SW13 i SW14 2 SW15 pag Bel ag eae Sw17 IS E a SER E SER SE 11 GET B B Dem Fe 1 Fe 1 GE C C C I 34 4 4 4 16 D 5 D ID 5 SPI RX gt SE Ce SE Gt of a ai g Lo L Lo ne E E G C C4 oo Gi H H 74HC165 1 74HC165 1 ba b b be ww Issue By Date TITLE 21 N DAN Allen amp Heath 1 INS 02 02 97 Kernick Industrail Estate GE i Ornwa TR10 9LU RG220 e el 01396 372070 No C2423 Sheet 1 of 1 A3 Fax 01366 375736 E E cg R6 R7 R9 c44 SE Oo CC CI LIT rara UU L CJ Li M m L Ek s ee TPeL E CJ r4 2 C CJ amp 4 LJ ME aun 210TP1TL Se LJ P C L s C C C L s Bee Lo Oye L _ d L _ R4 J cI Ceu L JR3 Ru un A CI Ca SS CT L SE LAY Ac 41 D TUS PE PE PEISCH PE2 SCH m tue DSP EXPANDER d Allen amp Heath ISS 1 MSCOTT Kernick Industrial Estate Penryn TOP LEVEL Cornwall TRIO 9LU Tel 01326 372070 FILE E DXFBob dspx DR_Dspx dd
21. 84 82 CY Oo 158 in LU ai SCH O KY T I R144 R156 5 GO Ces R C43 R111 R112 R113 C61 Ns Coe C30 R114 RIS R116 C63 e R147 R159 C90 fe R38 L14 KIS L16 L17 86 Holt O lt IOC VIM Pano olof U11 5 M s Wel iq C Gt TY Ue4 CN14 EST st a D fei Se Nof 0 Q 9 food 2 51 Self YO o HA vello Ale Ule 90 U13 eilleJ loup c eile aou 2 T EMI o c Ic Ic ei le R162 e kal U19 U25 L18 ROG R102 C38 C39 R103 R104 C70 R126 R127 IEEE C71 RS1 RSe I a i ai i i SI i e EE oO O CY 04 ry Wa BS ES RS3 C72 R129 RISO L22 PE Jgh Taser E qu R168 R172 9173 C106 16 A N Ul R216 R241 C158 LR242 L24 R243 C159 Al 2 S DO OO C189 A amp H A2603L00 EGEND INS 28 05 97 Line Inputs Line Inputs ineinlsch ineine sch Line Dutputs Line Outputs ineoutlsch ineoutesch Line Dutputs Line Dutputs ineout3 sch ineout4 sch igital Interface ocumentation digitalsch ine bist ISSUE DATE Allen amp Heath Kernick I
22. Function Key Unused If the Function Key is assigned as UNUSED pressing the Key in normal mode will display Unused in the bottom line of the LCD Function Key Level Control The following menu items ate used when a Function Key assigned as I P Level I P Level Up I P Level Down O P Level O P Level Up or O P Level Down If the Function Key is assigned to I P Level or O P Level in normal operation the level is controlled by pressing the Function Key and using the AV keys to control the level If the Function Key is assigned to I P Level Up I P Level Down or O P Level Up O P Level Down then in normal operation simply pressing the Function Key will increase or reduce the level directly In all cases when a Function Key is assigned as a level control Trim Limits can be set These give maximum amp minimum levels that can be adjusted using the Function Key Default values for the Trim limits are 0 minimum and 100 maximum The example below is shown for I P Level control Use the AV keys to select the I P Level function then Press SET 13 Key 1 Func Fn Level oe lt j gt Use the AV keys to 13 Level Key 1 select the I P Channel Level to control then I P Channel 1 Y s Use the V keys to select the Minimum Trim Limit from O to 100 then Press SET 19 Level Key 1 MIN LEVEL 0 lt j gt Use the AV keys to select the Maximum Trim Limit from 0 to 100 then Press S
23. PCS3 4 10 DI LL 5 Fl YS o 2 2 3 4 U6 LCD EN s y 9 SPICS6 E f E Y6 Diller 5 6 D8 8 2 CD DO LCD DO 6 5 0 DN SECH mi O vec E3 Y7 0 OO7 8 L 1 Al og gt 9 10 DIU 16 i 4 CD 10 LCD D2 S T4HCI38 DI 15 5 LCD 13 LCD D3 use 7 9 SPI CONNECTIR 1 3 A3 S al es 13 14 14 U e 6 LCD 14 LCD D4 MISU S e O 3 7 LCD 15 LCD D5 9 BIMDSI 9 Dd 5 9 AD 8 CD D6 Tie 2 U WV 18 em 6 AG b on 19 20 D 1i 9 1007 LCD D7 BRESET 7 A7 B DA i 22 U17 2d 3 VCC A3 1 5 In 19 CDCs mus m E BIR WN 5 3 l v HEADER 16 v v3 pets SM T4HC245 LCD CONNECTER UIS US DSP 4 dg ys o 0 DPe PCS ed Y VCC Eis ae eo R7 NE x L Ec M 7 Cs SPLCS3 12 CS RTC DR E ND As x GND CS DECODING 10 DSPs LCD INTERFACE ie x FIT RIO amp R7 OR RB amp R9 DEPENDING PCS3 jc e GND IN LED POLARITY REQUIREMENT 3 t ug OF LCD MODULE 58 1 a M 1 a b S MX LC RAN Deeg e SPI CONNECTIR 2 Ai GEN vq bL ME MISU 9 is it FRONT PANEL A7 v S IMG U5 SU 9 e iB D y3 b2 MM SPICLK au s 18 BISPICLK d S GND ES 4 16 BIMOSI ant Je Gm 4 i S 0 S IM 6 Y 4 2 e vec ey D veL gt Fo 6 0 d 3 1M 1Y4 Gen 25 26 E3 u i ll si 9 BPSPICLK GND RDE T4HCI38 3 SS 7 BeMOSI d GND 5 DECODING 10 THIXs 15 A ds 5 yi 4 5 RESET 17 3 RESET VCC 2M4 4 E 7 UI0A S 5 19 n E VCC GN Q
24. The table below gives level values against dB attenuation ep l FF edo eb PPP PP PPE Pp CRERNEBCREBEREBENENERNCS DH128 USER GUIDE 46 Setup Menu Press SET to select the Input Setup Channel 12 Matrix 12 Matrix CHANNEL 1 Use the AV keys to select the Input Channel then press SET Use the AV keys to select the Output Channel then press SET Use the AV keys to change the level from 0 to 100 Then Press SET 12 Matrix IP 1 O P CHANNEL 1 12 I P 1 O P 1 LEVEL 100 DO 58 OA T lt j lt j gt lt j gt 13 Function Key Setup Each of the 12 Front Panel Function Keys can be programmed as one of the following functions e Unused e Patch Select e Patch Recall e Input Level e Input Level Up e Input Level Down e Output Level e Output Level Up Output Level Down Different menu items are provided depending on the function selected Press SET to select the Setu D ads C Function Key number 13 Soft Keys SET B gt A Use the AV keys to select the Function 0 SET gt Key then Press SET 13 Soft Keys KEY NUMBER 1 The next menu item is used to select the Function Key s job The subsequent menu items will depend on the function selected A Use the AV keys to M select the Function M Key then Press SET Y SET gt 13 Key 1 Func Fn UNUSED DH128 USER GUIDE Setup Menu 47
25. 104 BSN 31 fe 88 10M PSENDO TC A DIG 46 30 1045 i CERES ec DD 45 p 27 mn a 2 1046 230 23 I 7 DSPRES s CL A6 24 DUO 43 30 INSAC B3R WN 3 als 96 1DA7 240 24 l 8 sace RAN 7 5 25 55 m DUO 42 id 29 1DCL 1 97 1DA8 3 26 o DD20 40 E ou 25 98 1DA9 4 57 SCH 26 Del 39 c0 5 3B2A0 BOAL 24 i ne 0 5 28 SC 27 De 35 cl SE 35 CS THK BAD 22 y i 1 x x 280 28 DIES 0022 HCSN ace CC Who Al Fan g e 29a 29 5 23 HIMODE EA ode me 2 ED 30 HO PBO M3 m HREQ 31 BIDO 137 36 HRDY GND 43 CS ERES 1 ED 3 HDO HRIYN O HI PBI Ald WCIK 30 E 2s BID 138 Wi 4 ats BIDo 140 3 WELK BIDS 39 i BID3 Me HDE nd 0 VCC Du 38 i DO CONN 64 BID4 143 Pe d B1D5 E i D ee HD4 AWCKO kan H5 PBS Di 7 e H H D n ng DSP EXPANDER CONNECTOR BID6 4 i SE X 9107 De d 4 D3 BD 5 ES T CLK512 DXPSENDI 10 ud d RA e ec e E 06 DECH 12 de 8 20 D7 CTI gt S 7 g DIPSENDS 1 Soe ee 96 VCC y SI 08 PSENDo 9 o critical layout 25 D9 XX 0CT4 SYNC d 7 PSENDI Se Se SIN w 30 Dt PSENDe 2 E 25 Ge 31 17 LL 23 GND z 33 D14 27 i 92 34 DIS T DCT9 PINIT 15 DICTI PATI D16 w I pate D17 e i e ey a ars 9 ue 39 D19 ze PAT4 Q VCCCK mg m ep rr PAIS GNDCK 20 2655 SIE Seege CN p te el 5 Doo sq SIE PA x XTAL
26. 16 T TI J Cl VCC 7 C171 C165 IH Im 3 mn Bk vas 2 man I n DSS306 a s C24 V Gap RN REDUT MES 166 RIS MAYPO2 R193 my 5 15 100n 12K 12K bo GND A2 VSS VSS VSS Renove link VSS U15 RS485 Option Omit VCC NM T T 2 GE 3 VID WCLK A A RE WCLK B RST METER TI i E 174 Cu RS232 TY 100n A CLK256 A m VSS x lt ME GND VSS CO C CJI co nro HEADER 9 TITLE CONNECTORS C2602 CLOCK BUFFER U7 D IY 1A2 113 143 Ya IM 2 ou e SE z 24 gt EE 23 gt m 2M 7 1 1G p Gen VSS VDD C85 100n VSS DRI MIC INPUT PCB ISSUE el SHEET RS232_RX r S SAOW lt V mW M RSc30 TX ADCI ADCe O ADC3 Y v ADC4 RSL METER WCLK CLK064 CLK236 l 3 EEN 7 9 SERIAL AUDIO I O no sO CO CO CO CO CO DO DO Po 55 GS 5 057 ro CO C RS CO C A Cu DT FITTED HEADER 20X2 VSS VSS OVA OVA AK VSS 0VA VSS OVA 4K3 gt VSS OVA AK e VSS OVA Allen amp H Kernick In Penryn Co England TRIO 9LU Tel 44 eath ustrial Estate nwall 1326 372070 Fox 44 1386 365736 Ces R107 C37 of CY AC CO C
27. 22 5 133 RESET ATAL gt i STEG RESE 57 08 36 VCC FP uS e 56 TMSN 09 CM STES TMS C 2B 31 TDI 27 z 55 oi STE9 TDI C x 30 E 26 mm 44 72 eK 50 SIE 54 TRSTN Gl ne STEM TRSTN gt C ST NC gt 22259 SB d 2 2992992992 2222 22 22222 S682 C23 5 SIG e 5 59 sas 100P GND R20 KI GND GND GND GND GND GND m vu DRI DSP EXPANDE mer ISS 1 MSCUTT 1343 97 Kernick Industrial Estote Penryn PEL k CONNECTOR Cornwall TRIO 9LU Tel 01326 372070 FILE E DXFBob dspx DR_Dspx dolo Documents PELSCH 13 43 53 29 Sep 2000 DISK C2741 ISSUE ISS 1 SHEET e OF 3 3 Fox 01326 365736 Error AMILGUPCK file not found ISSUE DATE ISS 1 MSCOTT FILE C19 Ce 100N 100N GND VCC C14 100N Cle 100N C18 100N U3 Qo C33 ee C3 C3 ee EISE EI EI E E E EH E EE EH EH EH EH EH EH EH EH EH EH E SITS eco cn KEE EE E EE E EE El EE E EE EES a E EE EE EE 3l e 2 ls SSO CY coro I L2 C9 L3 C3 C3 C3 O QU GA mo c presen EXPSEND2 EXPSEND3 AD Oo Cw CH 5 0 cS E Got TI Ct E lt
28. 24 a ji 8 42 6 AM 9 DAG m 25 t 9 06 3A 3Y 6 07 07 44 D7 A7 10 2n 26 7 De 10 30 D8 AS M 12 m 27 z 33 Q8 a 4A AY Ag 09 32 D9 AB B m 28 34 09 A9 1 0 i T 34 D UE 35 1 mx gx me EX Ale ale a 6 ICAS 1 013 AB 013 3 viu l id ou 43 Du GN 74HC157 m 14 n TAS 40 1 45 5 13 4 1 M5 1 i oa eng 1 016 a 9 2 4 T nly C vec 3 i TE C B RS MI 3 7 b rds WE C 1 A x 2A eY C EEES oH 16 iig I E 9 we RY BY c X 3A 3Y Ste D A 14 53 12 gt DF 4A AY AS D T TCSIIBIG0 SC MUX SEL Kei AMeSF 400 TSOP 5 E 1M X 16 DRAM Bll xs 256K X 16 BIT FLASH 9 GND L GND 74HC157 GND vec 15 100N A0 25 SSS 3 GND GND RAS ey k Ds A io M ie ice 7UCAS m 3 B e Mle e i 44 HUN Ai B W 2 ioo D dh Me 36 MUX SEL A23 20 423 VCC UI Wc D2 DAckl SI es Su SACK EN i ay ENABLE a WII B RAN 28 0 u 38 UF Ges CSBOUT 34 P NOH CKI6M 7 cu 29 LCD CUN 6 DM I 02S VBATT CLKI6M x lt V 33 ds S 16 MISO BS ws EX mS pe JO NT_IN A E I CS RIC VCC 17 m 5 I S 1 TCK TI L X Se NC SERMODE 5 1 M 18 CK32K gt NC NEN c NC 3 Lei One 65 NC _ iW XC9536 6PF 5 leol DRA CONTROLLER PLD D51306 GND VCC GND VCC 2 U22 C36 RE NE l 14 SN7407 LED R NC VCC a RESET UC GND nu Sie Mode selection on reset GND 2 6 Di AI9 A23 are address lines X01004 vec U7E vr U7F SN7407 24576MHz OSC MODULE
29. Contrast A Use the AV keys to adjust the contrast then ser Press SET 17 LCD Contrast CONTRAST 3 DH128 USER GUIDE Setup Menu 51 18 New Password Use this menu item to enter or change the system password This 4 character passwotd is used to get into Setup Mode if the Security feature is turned ON see menu item 19 Security The default security settings are Password and Security OFF Press SET to set up a o passwotd or to change the 4 8 N ew p assw ord na current password k oetup If you are changing the current password and the Security feature is OFF you will be e prompted to enter the current passwotd 18 Enter H word WA CURRENT MY e Use the AW keys to select each character for the Password note that only upper case characters are allowed Use SET to move to the next character or ESC to move to the previous character You will then be prompted to enter the new password e 18 Enter P word LJ NEW 2222 y ew 19 Security This menu item is used turn the Password Security feature ON or OFF and is used to limit unauthorized access to the Setup Menus Note that this menu item is hidden if a password hasn t been setup or if the password is P P If a password has been setup then you will need to enter it to change the Security settings x setup x 19 Set Security Sec Press SET to chan
30. Del Pus 35 Cs MI AD B i x Gaeren Doo HCSN piae eR iio AL E o3 HIMODE 5 Me EN 36 HRDY CN 13 M P 138 l a HD H2 PB2 as E R 112 WCKI H3 PB3 T A HD3 WCK H4 PB4 0 AWCKO H5 PB5 I el hs AWCKI H6 PB6 2 7 ele u 7 7 3 E HD7 Co 4 2 n T ies CKDe56 scias 5 5 x L co CKDDIVX SI0S0 6 SU npSE 4 11 SE 21 2008 DPSENIP 9 EE MLK 255 209 PRETI E D psen 119 HK SYNC onor 3 SEIL 1D fie PCAP 2 PSENDS 121 e fi i 3l 20 13 PRETI 3 Le C PRETS 15 155 as 1 T Soe DCT9 PAT PINIT 5 55 35 ER NW 35 DIG 3 B i 36 DDT id CTH AT2 7 STE0 PATS 8 NI S 2 9 sg 39 20019 ADC3 16 7 2 STE PATS GNDCK i ADC4 2 x 8 a 42 2DD21 G ADCS SIB PAT6 GN om TER dd AM 222 ADCG e iu x fe 20023 xm 3 A 8 t 36 09 I NE 27 5 3 Ji S E P i l E n gt C GZ gt i X gt C F vr N10 2 x P56002 TOFP 5 6 5 sx sms 7 8 E ET 9 10 HEADER Sie JTAG PIRT GND GND GND GND GND Issue mme DRI CPU PCB Alen amp Heoth Kernick Industrial Estate ISS SCOTT 13 3 97 Penryn Cornwall ISS 2 JUMP ISS 3 AS PCB England ISS 3 AAT 13 05 99 PAGE PE TRIO 9LU Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE ENDXFBobNari28cpuNDRI 8CPU 3 078 Documents PE2SCH 11 10 23 29 Sep 2000 DISK C2604 ISSUE 5 3 SHEET 5 H 6 A3
31. Function Key is assigned as a Patch Recall the Key s LED will act as a status indicator If the Patch is the current Patch the LED will turn on Amber DR128 USER GUIDE Using the DR128 23 Patch Recall A Function Key can be programmed to directly recall one of the 16 internal Patch memories For example if a Function Key was configured to recall Patch 1 pressing the Function Key will display the following Followed Loading bs Loaded 01 Patch 01 01 Patch 01 After which the LCD will revert to normal Remote Switches A 9 way female D Type connector is provided on the DR128 s Rear Panel for connecting up to 8 remote momentary action switches Remote switches can be configured in a similar fashion to the Front Panel Function Keys to perform the following tasks e Input or Output Channel Level Increment e Input or Output Channel Level Decrement e Patch Recall Remote Switch Examples Fitting 2 momentary switches on a remote panel could therefore allow level control for an input or output by programming the switches as Level Increase and Decrease functions For Alarm applications a Switch Input could be configured as a Patch Recall and connected to an installation s Alarm System The Patch associated with the Switch could be configured to turn off all background music and route an emergency evacuation message to all the output zones Refer to Page 48 for details on configuring the Remote Switches Wiring Remote Swi
32. Menu Ee IIIS REIS M Mi 36 Le ote er 37 J Save NP AGC ee 37 SINAC Tm edidic 28 A Name Input ame 38 39 SE Ee GC n T 40 Ge 41 Dl oe 43 e EE 43 Tos l ey ri A 44 45 45 SO 40 Ide Iemote Sev Oe oe 48 bE GU 50 se 50 50 e 51 sO COU 51 DH128 USER GUIDE 34 Setup Menu Introduction The Front Panel Setup Menu provides the installer with an immediate on site tool for configuring or trouble shooting the DR128 s basic functions Access to the Setup Mode can be password protected for tamper proofing The Setup Menu provides access to the following functions e Recall and Save Patches Crosspoint Mix Matrix e Name Patches Input and Output channels Function Remote Key assign e imitets e Day amp Time Clock setup e Ducker e LCD Contrast e 9 Input and Output Levels and Phase Passwotd and Security Access Note that you cannot edit any of the DSP Resource Palettes these can only be changed using WinDR running on a PC connected via an RS 232 cable Entering Setup Mode To enter Setup Mode press and hold the Setup Key for 2 seconds If the security feature is enabled a 4 character password is required to SETUP access the menu system Entering the Security Password oetup A PASSWORD y Use the A V keys to se
33. NO C2602 ISSUE 44 pss TA Een 5 MIC3 41725 3 NE5532 C60 en 100p Ld AKT 60 U4B 6 7 7 MIC3 4 5 NE5532 C64 EC LH 5 MIC4 47 25 3 NE5532 80 UC CH AC 8 U63 6 7 MIC4 477235 5 Kernick In Penryn Co England TRIO 9LU Tel 44 Fox 44 SHEET 4 DF 8 A3 Allen amp Heath ustrial Estate nwall 1326 372070 1386 365736 9VADCe RIC OK OVA ToVADC R93 10K R89 68R R87 10K OVA 1 2 81 Phantom Powe VA PPV jy 94 0 d 4K7 Q19 258737 Q17 12 SC 1 7 DSS306 RIM le al C83 U8A es ei 2 47 63 TEE MIC5 47 25 3 IC LINE NE553 J13 Li 0 0 DSS306 R95 96 KH NCOFAHQ 47 63 m C87 12 100p RI04 TR R115 R103 R107 Gun Box 330p 330p B20Rx 820Rx nea C95 U8B V 6 MICS D10 D9 47 23 5 VROB cu ou SKR VA SM R117 R109 VA U8C e a IKex NE5532 8 4 i qe C88 VA VA 100n E5532 V VA Phantom Power VA HDV 17 C105 e R121 4K7 100p LIS 0SB737 D55306 R135 le X WN 47 63 OEC 18 WV MIC LINE UN JI6 gt L14 O O DSS306 Gi R119 l 2KX CN7 41 63 C107 10 100p NC3FAH20 R127 pies R136 R122 R130 BK2x 330p 330p B20Rx B20Rx C122 108 0VA 6 7 MIC6 D12 D11 47 05 VR6B SKRD VA VAN VAN 15 e VA ULOC 20
34. NUT NYLOCK ABOLOZ A INSUL KIT AA0693 x6 17Vrms Q Noe PILLAR SNAP IN 2x AB2233 HEAT SINK AA2778 DR1 PSU PCB ASSY 002 188 DR1 PSU PCB AG2605 1 NUT NYLOCK ABOIG2 WASHER ABO244 x2 SOLDER T4G AKU0002 X4 Hac NUT AB0094 A 8105 f MAINS SWITCH AL2047
35. Q4 E Q4 ir Q5 Q5 Q5 Q6 Q6 Q6 Q7 Q7 Q7 45V Q8 Q8 Q8 R 74HC03 8 Qis gr E S 3 QS QS QS C4 68 74HC4094 1 74HC4094 1 74HC4094 1 10R oh 100n 100 25 h TP5 OH TP6 O 1 2 3 4 5 6 7 10 14 15 16 17 18 21 22 23 ww Y CY Y Y Y Y Y Y Y f uns Y Y Y Y Y Y Y Y Y Y Y Y OO fu OO Ca oO D OO OO QJ 1 t D a 0 gt OO 2 a a QU e CD a D Cn D D fei Be eo Be D No Be KO SD Be SD No QU No CU SD No CU CU CU SD CU SD x ln x Im x in x in c in ln Dr ln in Dr in Y amp In y uU Dr ln Dr uU D ln c in in x uU ln c x ln x uU x uU W R KE 5 G R R R 5 5 G KE SE ee New ee See ee SSH SE Rik NEM Ses 2 LD1j LDO LD3 LD6 LDS LD9 LD10 LD12 5 N s E XE e NE bd CY al SPI C10 Y ON Y CH Y sch Y Y 0 Y Y fei Y D Y 0 Y Y 9 SW1 vS swe amp LIC SW3 vS xv LIC amp LIC SW6 SEW SW7 amp 18 SW8 epe SWw9 Gs E S win 2 amp LIC sw12 AHS s ui ME m G GH o piper pee pem e to per Lo to er 5 oO 6 S 1 Ge ww P G4 GL G4 CH oH Gt oo oe gt r e L e j e6 L L sss e CH GL CG em C C4 oo om C4 o o gt lt h ww ww ww ww M Wel SPI TXo5 C11 Y T c O iN Ur JID SPI_CLK 1 T H U1 U7 U4 SH LD L 4 sH LD S S LT 2 CLK INH 5 CLK INH C NA x s Y lt Y QJ gt QJ Y
36. Regulator LM2576T 5 0 45V Transistor MOSFET RFP8P05 Diode 6A05 6A 50V Diode UG1B Fast Soft 1A 100V Diode UG8AT Fast Soft 8A 50V Diode SBYV28 100 UltraFast 3 5A Zener Diode BZX55C2V7 Inductor 100uH 3A S SWITCH Inductor 470UH 2A S SWITCH Inductor 68uH 3A S SWITCH Insulating kit TO220 Miscellaneous DR128 Packing assembly DR128 Rack mounting brackets per pair DR128 Acrylic Fascia Jumper socket Front panel LCD display Battery 3V 180mAh PCBV DR1 CPU PCB Inductor 150uH 280mA Mic Connector PCB EMI filter 470pF 100V Connector PCB assy DH128 SEnvicE MANUAL ALOS23 AL0466 029 22 0 AM2757 AE0351 AE0308 AE0047 AE0048 AE2814 AE2816 AE2815 AE2977 AE2819 AE2820 AE2821 AE2947 AE0231 AE2825 AE2826 AE2827 AA0693 002 203 AA2717 LR AA2735 0354 AE2734 AP2837 AE2970 AF3107 OJo oaj O ININININININININININININIJ I OO DR128 Power Supply Assembly Drawing Issue 3 By INS Date 22 04 97 ScREW M3 X16 AB0079 Nut NYLOCK ABO102 j NOTE WASHER 244 SCREW M3x10 ABOO76 NUT NYLOCK ABO102 x2 FUSE SETTINGS 20mm 1 6A 0466 100V 120V 20mm 630mA AL0297 200V 240V SLEEVINO BLACK 320 MM AHO352 TRANSFORMER AM2757 SCREW M6 X 16MM AB0344 C AA2800 MAINS INLET AL RED Chassis 24V Note Screw M3x4 Pan Pozi 17Vrms Note D 4x AB0233 Pillar M3x6 SCREW M3X10 AB0076 2x AB3098
37. active on the selected channel Values are given in dB attenuation For example a Depth of 6dB will attenuate all affected outputs by 6dB when the Ducker is active The Depth can be selected from OdB to 60dB in steps of 1dB Ducker Release The Ducker Release parameter determines the rate at which the ducked input channels will return to their normal levels after the level on the Priority Input has returned below the Threshold Values are given in dB per second from 1dB per second slow release to 100dB per second fast release in steps of 1dB per second DR128 USER GUIDE 42 Setup Menu Ducker Output For each Priority Input select which output channels are to be affected by the Ducker Press SET to select the Input Channel x lt x Setup x lt x 7 Ducker S Use the V keys to select the Input Channel to activate the 7 Ducker I P CHANNEL 1 e SETP Ducker Then press SET 7 Ducker I P 1 Use the WV keys to enable and DU C KER O FF disable the Ducket Select Ducker ACTIVE to configure the other parameters Ducker OFF 1s provided for A B checking amp trouble shooting If the Ducker is OFF no further menu items are accessible N Press SET to activate the Ducket 7 Ducker I P 1 amp edit the Ducker parametets DUCKER ACTIVE Use the AT keys to 7 Ducker I P 1 PRIORITY 1 Max press SET se the AV keys to 7 Ducker I P 1 THRESHOLD
38. order code for the part required Printed circuit PCB assemblies Power supply PCB assembly inc heatsink 002 205 Front panel PCB assembly exc LCD display 002 187 CPU microprocessor PCB assembly 002 184 Mic connector Upper PCB assembly 002 185 Line Output connector Lower PCB assembly 002 186 IDC connector harnesses 40 way Master harness AL2711 26 way front panel harness AL2713 26 way Mic Line harness AL2712 9 way Mic Line power harness AL2705 9 way CPU power harness AL2706 26 way LCD display harness AL2714 DH128 SEnvicE MANUAL Spares kit 9 Ordering a Spares kit It is recommended that the spares kit order code 002 204 is held and maintained by the service agent to enable in field service repairs to the DRI28 independent of the ALLEN amp HEATH factory Commonly available items such as resistors capacitors tools and soldering equipment are not included The contents of the kit is listed below Individual spare parts may be ordered Please quote the description and order code for the part required DESCRIPTION ORDER CODE QTY Fixings Screw 4AB x 5 16 Pan Pozi Black AB2810 10 Screw M2 5 x 4mm Pan Pozi Black AB2944 5 Screw M3 x 10mm Pan Pozi Black AB0076 5 Screw M3 x 16mm Pan Pozi Black AB0079 5 Screw M4 x 8mm CSK Pozi Black AB2777 5 Screw M3 x 8mm SKT Dome Black AB2942 5 Half Nut M3 4 5 Nylock Nut M3 ABO102 10 Washer M3 Shakeproof AB0244 5 Pillar M4 x 8mm Nylon AB0256 4 Pillar Support 6 4mm Nylon A
39. scroll to the desired character then press SET to move on to the next character You can press ESC to move to the previous character When all characters are done press SET 4 Name Input Channel This menu item is used to give each of the 12 Input Channels a name up to 8 characters in length If a function key has been assigned to control an Input Channel level the Input Channel Name is displayed on the top line of the LCD when adjusting the level The name is also displayed on the channels in WinDR The default channel names are Mic 1 Mic 2 Line 9 etc DH128 USER GUIDE Setup Menu 39 Press SEI to select the Input Channel z Select the Input 4 Name In put o Channel numbet I P CHANNEL 1 SE from 1 to 12 Press SET to enter a 4 Name Input 1 NAME Mic 1 x lt x Setup x x 4 Name Input sere Use the AV keys to scroll to the desired character then press SET to move on to the next character You can press ESC to move to the previous character When all characters are done press SET 5 Name Output Channel This menu item is used to give each of the 8 Output Channels a name up to 8 characters in length If a function key has been assigned to control an Output Channel level the Output Channel Name is displayed on the top line of the LCD when adjusting the level The name is also displayed on the channels in WinDR The default channel names are O P 1 O P 2 etc E P
40. the function selected Remote Key Unused Use the AV keys to 14 Key 1 Func o select the Remote Fn UN USED Se Key then Press SET DH128 USER GUIDE Setup Menu 49 Remote Key Level Control The following menu items are used when a Remote Key assigned as I P Level Up I P Level Down O P Level Up O P Level Down If a Remote Key is assigned to I P Level Up I P Level Down or O P Level Up O P Level Down then in normal operation pressing the Remote Key will increment of decrement the level directly In all cases when a Remote Key is assigned as a level control Trim Limits can be set These give maximum and minimum levels that can be adjusted using the Remote Key Default values for the Trim limits are 0 minimum and 100 maximum The example below is shown for I P Level Up control Use the AV keys to select the Remote Key s function then SET P gt Press SET 14 Key 1 Func Fn I P LEVEL 14 Key 1 Func Use the AV keys to select the I P Channel I P Channel 1 Level to control then Press SET Use the AV keys to 14 Level Key 1 o select the Maximum MAX LEVEL 100 m Trim Limit from 0 to 100 then Press SET In the case of I P level Down the above menu would specify the Minimum Trim limit Use the AV keys to 14 Level Key 1 select the Minimum MIN LEVEL 0 p Trim Limit from 0 to 100 then Press SET Remote Key Patch Recall If the Remote Key is assigned as a Patch R
41. 0dB Threshold and press Use the A V keys to 7 Ducker I P 1 n dus DEPTH 1dB Depth and press SET se the AW keys to 7 Ducker I P 1 RELEASE 1dB s Release and press DR128 USER GUIDE Setup Menu 43 7 Ducker I P 1 DUCK O P 1 YES Use the W keys to turn o the Ducker ON or OFF on Output Channel 1 Press SET to select Output Channels 2 through 8 lt j gt 7 Ducker I P 1 DUCK O P 8 NO lt j gt 8 Input Phase This menu item is used to change the phase polarity of each Input Channel The default settings are for normal non inverted phase Press SET to select the Input Setup e 8 I P Phase a Use the AV keys to 8 I P Phase l I P CHANNEL 1 then press 9 9 Oy Use the W keys to select either NORMAL non inverted or REVERSE inverted Phase Press SET to return to the main menu 8 I P 1 Phase PHASE NORMAL 9 Output Phase This menu item is used to change the phase polarity of each Output Channel The default settings are for normal non inverted phase Press SET to select the Getu D o Output Channel 9 O P Phase SET gt Use the V keys to select the Output Channel then press Y ser gt SET 9 O P Phase O P CHANNEL 1 DH128 USER GUIDE 44 Setup Menu 9 O P 1 Phase a e PHASE NORMAL y Use the A V keys to select either NORMAL non inverted or REVERSE i
42. 100 The table below relates these to actual dB values Each press of the Function Key will increase the level by 5 units If the key 1s held down the level will scroll up DH128 USER GUIDE Using the DR128 21 CIDEREERERERERERERETES EPP lly CIEJEJEIEJEIEEJEIETCS The bottom line of the LCD display shows a bat graph representation of the level The indicates that the level is being increased Similarly if the Function Key is assigned as a Level Decrement pressing the Key displays the following Mic 1 Lev 55 Here the Y indicates that the level is being decreased Level Change If a Function Key has been assigned as Level Change the Function Key selects the channel and the AW keys are used to change the level Each press of the AV keys will increase or decrease the level by 5 units If the key is held down the level will sctoll Mic 1 Note that you do not need to keep holding down the Function Key while adjusting the volume The LCD will revert to its normal display after about 5 seconds if no keys are pressed You can return to the normal display directly by pressing the ESC key Level Tr ms In Setup Mode each Function Key assigned as a Level Control can be given Trim Limits which define the minimum and maximum levels that can be obtained using the Function Key As default the minimum and maximum trim limits are set to 0 and 100 allowing full control over the level
43. 108 E E3 E3 si caa J 058 CJ ea Ea R40 e SEA 8 Wie pu ug Las co EE LEDI R18 Kel C38 36 M RS4 L LJ cares 7 a esa L Jas lt Mum wu uo Os EL CI zs CO oe b cn rjO C 16 10 97 AAT P OVERLAY A2604 CPU AND MEMORY LCD INTERFACE PET PE CPU SCH FACESCH PESCH PEZ SCH EXPCON EXPCONSCH m une CPU PCB I I I 5 5 5 5 5 5 1 8 3 SCDTT 13 3 97 JUMP TD ISS 3 AS PCB PAT 13 05 99 TOP LEVEL FILE EADXFBob olrle8cpu DRIC8CPU_3 DDB DocumentsNDRICPU 1PRJ 11 04 19 29 Sep 2000 DISK NO C2604 ISSUE ISS 3 SHEET 1 DF 6 A3 Allen amp Heath Kernick In Penryn Co England TRIO 9LU Tel 44 Fox 44 ustrial Estate nwall 1326 372070 1386 365736 VCC U2 CN4 PCS0 15 mmm ZL 1 4 DH LES 3 le y bo B PLS LCD DATA TRANCEIVER GND LCD CON 12 mmm CN3 en rie LO RAW
44. 2 EI A e CL sS a a ge P Ge 3 Remove the 8 circuit board fixing screws and carefully ease the assembly clear of the microprocessor circuit board and clear of the unit The front panel LCD display circuit board is mounted onto the front panel circuit board assembly and can be removed by unscrewing the 4 mounting screws When all service work is complete remove all debris such as solder component legs and wire clippings from inside the unit and check your work carefully before reassembly Torefit the front panel circuit assemblies follow the above procedure in reverse order Make sure all LEDs and harnesses are correctly aligned and inserted correctly Test for correct operation DH128 SEnvicE MANUAL Service Procedures 7 Removing the power supply circuit board assembly Before beginning any service work remove all power to the unit and disconnect any signal cables where necessary Adopt static working procedures when carrying out service work Ensure adequate lighting and use the correct tools 1 Working from the front of the unit remove the 6 cover screws and remove the cover 2 Unplug the the harnesses to the power supply circuit board assembly 3 Before disconnecting the transformer harness wires make a note of there colour and position on the circuit board Power Supply Fuse external DC input protection board assembly 4 Unscrew the 2 circuit board mounting screws and remove
45. 25 3 Je4 MIC LINE bk x NE5532 J23 3 e L19 DSS306 Clac R165 Clel CN9 NC3FAKCO 2x 47 63 C146 160 100p R3 RUM R181 R167 R176 Bex Bkex 330p 330p B20Rx B20Rx ice C160 U13B VA 6 D16 DIS 41 05 VR8B eu ou SKRD VA S N R184 R170 VA Ut3C 5536 8 4 V V C153 VA VA 100n NES532 VA VA m une DRI MIC INPUT PCR INS 23 10 96 INS 30 05 97 RG312 MIC INPUTS 7 amp 8 RG313 DWD 20 07 00 FILE ENDXFBobNoIr128micNDRT28Mic 21loob Documents SCH Issue 2 l Micin4 sch 12 22 26 29 Sep 2000 DISK NO Ce60e ISSUE SHEET 6 OF 8 A3 MIC7 MIC7 MIC8 MIC8 Allen amp Heoth Kernick Industrial Estote Penryn Cornwall England TR10 9LU Tel 44 0 1326 372070 Fax 44 0 1326 365736 9VADC4 R144 10K OVA OVADC4 R183 10K R179 68R R177 Uz OVA 136 129 C149 i 100n 10 35 IVA 15VA 5VADC gt 15VADC2 2 15V i5 d gt 56 Fem He 1 100n 20 1 35 100n 10 35 Le Le t 7 D 5 0 50 0VDe 10 35 10 35 10 35 i VA OVA TR VA VA RESET RESET 52 c CD lt pct d A CO es E l OQ EI I Z2 es A lt gt Sri c e CD x lt A CH re T I ep M I A
46. 401 L cage C403 ezoa ELI C4 C400 3 5 ST TF 1000 63LESR 10 35 100N p 10 35 TOON 100 100 A NC Lgs NA Se P NX NX CON3 EEN 6410 044 j e 3 NX C D E F G H F A N ENGLAND BY SSi REVISI BY JATE NETES UNIT TITLE MANUFACTURED IN ENGLAND B 1 RIGIN TS mem 1 RESISTORS MARKED X ARE 17 tJ M 1 SE 2 R CHAN a ATOS_11 S6 ALL OTHERS ARE 5 1 4W UNLESS OTHERWISE MARKED AIOE IE sec EATE J HS e due ES E Er PRODUCTI Ti eccL 2 ELECTROLYTIC CAPACITORS ARE F VOLTS DRAWING TITLE i N DRAWING No ISSUE PCB TYPE AG amp 605 C2605 lt A2 PAGE 2 OF 2 Q col ie Jo 1 7L Ld L E CN11 L1 ER R15 R27 R53 H E64 3 385 ROS R108 J5 J8 X 3 CX 46 J79 1 1 R2 Ir n SIP E I R104 Mz BH t d col coll No CO colos t d o 1 2 R26 C26 2 LO Ww C4 R47 C59 C87 C108 R114 R116 RIS coly YI CO Y RISG RIGS P Rel R157 R169 H3 CN4 CN10 C s GND A amp H A2608L00 LEGEND INS 30 05 97 R197 L24 ic Inputs ic Inputs ADC 1 Connectors icinl sch nicin3 sch adcl sch conns sch ic Inputs ic Inputs ADC 2 icine sch nicin4 sch adce sch issu nne DRI MIC INPUT PCB Alen amp He
47. 477235 3 NE553 CI9 100p R6 SH RIS Ld AKT Clg UIB 6 m 7 NICI im 5 EE C23 vn 100P J 5 MIC2 47 235 3 NES53e C36 go 100p LJ AKT C42 U3B 6 7 MIC2 47725 5 NEJ532 Allen amp Heath Kernick Industrial Estote Penryn Cornwall England TR10 9LU Tel 44 0 1326 372070 Fax 44 0 1326 363736 e DF 8 A3 NC3FAHCO CNS NC3F AKO ISSUE DATE 1 2 el INS 23 10 96 INS 30 05 97 DWD 20 07 00 FILE Phantom Powe PV L7 DSS306 R68 0 J9 MIC LINE JI 0 R30 L6 DSS306 CK VR3B SKRD VA VA U4C L vi v C48 100n E3332 VA VA Phantom Power ZEN L10 DSS306 R90 ex SSES Jie IC LINE J10 Q R73 47 63 L9 DSS306 41 63 ER VR4B SKRD VA VA UL Vt V 75 100n NE5532 VA VA EA DXF Bob drle8mic DRI88Mic 61 499 Documents SCH Issue 2 1 Micine sch R60 BKex 0VA R81 OVA R61 BK2x RBC eKex C46 330p C66 330p C59 330p 1N4002 ZIN VA C80 330p 1N400 Z VA 12 21 07 Z 1N4002 29 Sep 2000 RG318 RG313 ROL AK 7 Q9 Ser R69 R37 Kx VA R79 4K 7 VR4A R91 R80 1K2 VA TITLE DRI MIC INPUT PCB MIC INPUTS 3 amp 4
48. 4dBu nominal operating level 16dBu 20Hz 20kHz 1dB 4dBu into 600 ohms 0 005 1kHz typical 99 dB typical Mic Input to Line Output lt 80dB measured rms 22Hz to 22kHz bandwidth 127dB 150 Ohm source gt 80dB Adjacent Input Channels 48kHz 24 bit Sigma Delta 128 times oversampling 20 bit Sigma Delta 128 times oversampling 24 bit linear external 42dB 60dB to 18dB variable 2208 internal link internal 12dB 8dBu to 4dBu variable internal 12dB 8dBu to 4dBu variable 2 x 16 Character backlit Tri colour Programmable Signal levels Green On 36dBFS Red On at 6dBFS 12 Programmable as Unused Level controls or Patch changes 12 Programmable as Signal Meters or Status Indicators 9 way female D Type unbalanced 57 6 kBaud 9 way female D Type 8 opto isolated programmable 16 internal 24V DC 15 3 5 Amps maximum 100 VAC Fuse T1 6A 120 VAC Fuse T1 6A 220 VAC Fuse Te30mA 230 VAC Fuse Te30mA 70 maximum Packed 10 kg Unpacked 9 5 kg 482 x 380 x 89mm rack mounting brackets fitted DSPx DSP Expander DSPd Delay Expander DH128 USER GUIDE 56 Appendix Connecting WinDR To configure the DR128 from a remote PC using Allen amp Heath WinDR System Manager software the following will be required System requirements Hardware Pentium or better or compatible processor 640 by 480 VGA video display 1024 by 768 recommended 16MB RAM 10MB Hard disc drive free space Mouse or
49. 64 EXPANSION CONNECTOR 1 EXPANSION CONNECTOR 2 EXPANSION CONNECTOR 3 DSP EXPANDER DSP EXPANDER DR DELAY EXPANDER DELAY EXPANDER OR MESSAGE EXPANDER issu nne DRI CPU PCB Alen amp Feath Kernick Industrial Estate ISS 1 SCOTT 13 3 97 Penryn Cornwall ISS 2 JUMP ISS 3 AS PCB England ISS 3 AAT 13 05 99 EXPANDER CONNECTORS TRIO 9LU Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE ENDXFBobNolr128cpuNDRI 8CPU 3DDB Documents EXPCONSCH 111116 29 Sep 2000 DISK NO C2604 ISSUE ISS 3 SHEET 6 OF 6 A3
50. 7R CN12 0VD6 OVA NC3MAH NES932 0VD6 OVA LK6 OVA VSS NOT FITTED NE5532 R106 issu nue LIN Alen t Heath Kernick Industrial Estote 1 INS 03 03 97 Penryn Cornwoll England 2 INS 29 05 97 RG314 PAGE BALANCED TRIO SLU RG315 Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE EADXFBob drl28line Dri28Linedob DocunentsNineout4 sch 11 32 07 29 Sep 2000 DISK C2603 ISSUE SHEET 6 BF 8 A3 ISSUE DATE VCC FILE ADC RESET ENDXF Bob drleBline Drie8Line delo DocunentsNolgitol sch SERIAL CONTROL 1 0 SH LD CLK INH CLK SER QH QH 74HC03 74HC03 HEADER 1310 OVA 100 25 C189 100n 100 23 VSS CLOCK BUFFER U27 WCLK 18 2 T WCLK B 16 s i g SE 7 e E 13 143 gt gt 1 IM x 2Al CLK256 i GI eA gt en 243 gt gt 2 oM l eG 2 74HC244 VSS AUDIO SUPPLY INPUT LOR PF 180 C184 100n TT 10 25 100n A 2 gt x 3 4 5 6 50u 9 45VADC V HEADER 9 C186 100n 156 159 100 25 oe 100 25 C157 100n 100n OVA OVA TITLE DRI LINE OUTPUT PCB RG314 DIGITAL INTERFACE amp CONNECTORS RG315 113347 29 Sep 2000 DISK NO C2603 ISSUE 2 SHEET no MD Bw CO CO CO CO DO DO MH no no SERIAL AUDIO 1 0 C
51. 8 11 10 13 12 UNUSED SN7407 13 3 97 JUMP TO 18 3 AS PCB 13 05 99 FILE EADXFBob drl28cpu DRI28CPU_3 DDB Documents NCPUSCH 11 07 51 29 Sep 2000 DISK BA WD CK16M CK32K CPU amp MEMORY RST METER 100N ro co on co LUV Ob FPOE MUTE RY BYN PCS3 49 Pese 48 PCS1 4 PCS0 46 DOD 9 RB 53 CK16M 66 CK32K 62 TP DRI CPU PCB 100N 100N VCC 100N GND GND Ut 0 A0 gu D1 Al ne A D3 A3 23 D4 A4 21 5 AD 25 D6 A6 ga 7 A7 27 D8 A8 3 9 A9 5 D10 A10 EP DN All 33 Die Ale 35 113 A13 36 D14 A14 37 D15 ALS 38 ne R W A17 A18 S S Last SZ FC D FCL CS4 20 RC a AVEC MoT DSACKI Ael OS8 24 DSACKO Ae2 CS9 35 MII BERR HALT KS ER RESET BU CST BOACK CS2 TV PC le PAI CSBUUT IC MODCK PF IC2 IC3 Watt uC RPF DC RUP UC3 ROF UC4 Waat IC4 C5 TYPE 132 WMA NC Pa PWMB NC NC ETE USI ISU SCK PCS3 PCS PCSI PCSO SS TX RX CLKOUT EXTAL XTAL VDDSYN VSS VSS VSS VSS VSS VSS VSS VSS VSS ISSUE VCC ISS 3 SHEET 3 OF 100N C68331 C13 10N A0 Ae A3 A4 AS gt CO 5 5 5 5 5 5 5 5 5 5 CO C Cl GA PO E LCD CS LS TMIX CS_DSP
52. ALLEN amp HEATH WARNING HIGH VOLTAGES Power supply Unit PSU work should only be carried out by qualified personnel We recommend that you use an approved Allen amp Heath service centre for all power supply work Please contact your local Allen amp Heath distributor for more details http www allen heath com 128 ALLEN 0 Be 12 Ind Our 24 Bir DIGITAL A Mix PROCESSOR H r ATH SERVICE MANUAL HOW TO USE THIS MANUAL This service manual is published in two sections Section A containsthe INSTALLATION USER GUIDE which includes details of INSTALLATION CALIBRATION and OPERATION for the DR Section B contains the SERVICE INFORMATION which includes details of SERVICE PROCEDURES SPARE PARTS amp ASSEMBLIES and CIRCUIT BOARD DIAGRAMS for the DR 128 copyright 1997 ALLEN amp HEATH All rights reserved Publication AP2974 Issue 1 DH128 SEnvicE MANUAL SECTION A DR INSTALLATION USER GUIDE CAUTION Refer all installation calibration and service work to qualified service personnel DR128 SERvICE MANUAL Limited One Year Warranty This product has been manufactured in the UK by ALLEN amp HEATH and 1s warranted to be free from defects in materials or workmanship for a period of one year from the date of purchase by the original owner To ensure the high level of performance and reliability for which this equipment has be
53. B2171 4 Pillar Snap in 6mm Nylon AB2233 4 Pillar Snap in 31 8mm Nylon AB2772 4 Pillar M2 5 x 9mm Nylon tapped AB2945 4 Pillar M3 x 6mm Nylon tapped AB3098 4 Spacer M3 x 15mm Nylon AB2775 4 Potentiometers switches and connectors 5KD reverse 502RD Al8111 5 Switch 2PCO Momentary AL8058 10 Preset 4K7 Output gain AE2871 4 Preset 22K Line input gain AE2969 2 Button 12 5mm Square Black AJ0348 15 Button Round Black AJ2887 5 Button Round Grey AJ2888 5 Phono Dual PCB mount AL0556 2 XLR 3 Pin Female PCB Mount AL2414 5 XLR 3 Pin Male PCB Mount AL2413 5 LEDs and Semiconductors LED 5 x 2mm Tri colour AE2754 5 Transistor 2SB737 PNP AE8069 10 Transistor BC549 NPN AE0020 10 IC NE5532N Dual Op Amp AE0221 5 IC TLO72 Dual Op Amp AE0046 2 IC LM393N Comparator AE2818 1 IC MAX 202CPE RS232 AE2742 1 IC AK5391 VS 24 bit ADC AE2857 3 IC CS4329 KP 20 bit DAC AE2656 2 IC CMOS 74HC03 4 NAND 2 AE0345 1 IC CMOS 74HC165 AE2749 2 IC CMOS 74HC4094 AE2755 1 IC TLP521 4A Quad Opto AE2748 1 POWER SUPPLY Mains lead IEC 2pin EURO AHO0205 Mains lead IEC 3pin UK 0206 DH128 SEnvicE MANUAL 10 Spares kit Mains lead IEC 3pin US C33 Mains Fuse 20mm T1 6A USA CAN Mains Fuse 20mm T630mA UK EU Mains Fuse 20mm 5 ext DC protection Transformer 60VA Bridge Rectifier 4A in line IC Regulator 7805 5V DC IC Regulator 7815 15V DC IC Regulator 7915 15V DC IC Regulator Adjustable LM2575T ADJ IC Regulator Adjustable LM2576T ADJ IC
54. CONNECTOR CIRCUIT DIAGRAM sheet 3 of 8 line inputs 3 amp 4 C2603 LINE OUTPUT CONNECTOR CIRCUIT DIAGRAM sheet 4 of 8 LINE OUTPUT CONNECTOR CIRCUIT DIAGRAM sheet 5 of 8 LINE OUTPUT CONNECTOR CIRCUIT DIAGRAM sheet 6 of 8 balanced outputs 7 amp 8 C2603 LINE OUTPUT CONNECTOR CIRCUIT DIAGRAM sheet 7 of 8 balanced outputs 5 6 C2603 LINE OUTPUT CONNECTOR CIRCUIT DIAGRAM sheet 8 of 8 digital interface amp conns C2603 balanced outputs 3 4 C2603 balanced outputs 1 amp 2 C2603 AAA MICROPROCESSOR CPU CIRCUIT BOARD COMPONENT IDENT AG2604 MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 2 of 6 interface C2604 MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 3 of 6 CPU memory C2604 MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 4 of 6 processing engine 1 C2604 MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 5 of 6 processing engine 2 C2604 MICROPROCESSOR CPU CIRCUIT DIAGRAM sheet 6 of 6 expander connectors C2604 FRONT PANEL CIRCUIT BOARD COMPONENT IDENT nnn AG2423 FRONT PANEL CIRCUIT BOARD CIRCUIT DIAGRAM sheet 1 of 1 i C2423 DSP EXPANDER CIRCUIT BOARD AG2741 DSP EXPANDER CIRCUIT DIAGRAM sheet 2 of 3 processing engine 1 conns C2741 DSP EXPANDER CIRCUIT DIAGRAM s
55. DER 202 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N AUDIO CLOCK BUFFERING GND 10 PCB CONNECTOR issu nne Te CPU PCB Alen amp Feath Kernick Industrial Estate ISS SCOTT 13 3 97 Penryn Cornwoll ISS 2 JUMP ISS 3 AS PCB England ISS 3 AAT 13 03 99 INTERFACE TRIO 9LU Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE EADXFBob drle8cpu DRIe8CPU_3 DIB Documents IFACE SCH 11 07 01 29 Sep 2000 DISK NO C2604 ISSUE ISS 3 SHEET 2 OF 6 A3 Bye yey eS S WOOO Jou propre am no ul gt Cope IRS cn c Ico ye S S S S Be co c con co ro RESET RY BYN DE 28 CSBUOT 26 VBATT WDOG VCC R WN 11 RI Di g VII O NR VCC MANUAL RESET WATCHDOG RESET U7A SN7407 VCC U7D SN7407 ISSUE DATE ISS 1 SCOTT ISS e ISS 9 PAT RII 5 SS fe NF GND VCC D OO O Cn Com G PO E RESET PASSWOR C29 35 SE RK S GND GND U16 d E V ay 5 Zu U13 1B n 3 D 33 De Ale 2 4 DA2 19 4 e 35 D3 A5 j e DA3 m 20 m 5 38 D4 5 a 7 DM m 23 M Jis 7 40 15 AG 6 e DAS m
56. DR128 Basic DR128 one DSPx Expander card 1 Basic DR128 two DSPx Expander cards A list of Resource Palettes is detailed in the Help menu of WinDR system manager software Help Topics Contents Index Fina Click a topic and then click Display Or click another tab such as Indes WinDR Overview Double click on Ge etc in 1 10 ME sing win this icon in the Se 1 Reference 2 Menus 2 Toolbar 1 Status Bar WAnDR help Getting Software Updates Print Cancel DH128 USER GUIDE DR128 Overview 13 eo WOSSHOONd XIN IV LIOIGd LIA vC Q WALSAS OIGNVILNO 08 uNIugI SAIM OR Wim mm Y LA TN j A H DH128 USER GUIDE 14 DR128 Overview Front Panel Ihe DR128 s Front Panel is designed to provide both Matrix Processor Setup capabilities for the installer and a flexible control interface for the user Because each installation has unique requirements 12 assignable Function Keys are provided These keys in conjunction with the 3 colour LEDs can be assigned as Level controls for input and output channels with trim limits or Patch Recall to access the 16 internal parameter patches 1 Removable Front Panel The Front Panel facia can be removed to allow the installer to fit cu
57. ET 19 Level Key 1 MAX LEVEL 100 lt j gt Function Key Patch Select If the Function Key is assigned as a Patch Select then in normal operation the user can recall any of the 16 Patches by pressing the Function Key and use the V keys to select the Patch Number then press SET to recall it DH128 USER GUIDE 48 Setup Menu Function Key Patch Recall If the Function Key is assigned as a Patch Recall then in normal operation simply pressing the Function Key will recall the Patch number selected here Use the AV keys to o select the Patch Number to recall then SET P gt Press SET 13 Key 1 Func 3 PATCH 1 B v 14 Remote Key Setup The DR128 s Rear Panel provides a 9 pin D Type connector for connecting remote contact closure switches Theses switches can be assigned various functions in a similar fashion to the Front Panel Function Keys Each of the 8 Remote Switch Keys can be programmed as one of the following functions e Unused e Patch Recall e Input Level Up e Input Level Down Output Level Up Output Level Down Different menu items are provided depending on the function selected Press SET to select the Setu D TUE Remote Key number 14 Remote Keys ser Use the AV keys to select the Remote L SET gt Key then Press SET 14 Remote Keys KEY NUMBER 1 The next menu item 1s used to select the Remote Key s job The subsequent menu items will depend on
58. L RT RSi 138 a x i ca wx d 3 yc TEST ER SE TEST s 6 Lt j E ANH i CMDIE T ae CMODE SMIDE Hie e 5 NI SMODEI a SMIDE EET gt SMDDE2 R d AINR 9 SEL24 nu m SEL24 C8 e E MCLK SR NCLK d SCLK js S VCDMR SCLK A 6 C15 rout Ex rsync 00n 28 x EFR VREFR LRCK LRCK EFR SDATA VREFR SDATA TL 1 AK5391 P AK5391 E SES SEKR x IS T wW s a i VA IVA VA VA IVA jj3 VA Tu H BIRIKI IVA wg VA ovi ADC3 WCLK CLK0G4 B CLK296 ADC4 WCLK_B CLK0G4 B CLK256 B issue true MIC INPUT PCE Alen amp Heath Kernick Industrial Estate Penryn Cornwall 1 INS 03 10 96 England 2 INS 30 05 97 PAGE ADCS 3 amp 4 TRIO 9LU Tel 44 0 1326 372070 v Ade TEM Fox 44 0 1326 365736 FILE ENDXFBobNoIr128micNDRT28Mic el gqqo Documents SCH Issue 21M dcesch 12 23 09 29 Sep 2000 DISK NO Ce60e ISSUE SHEET 7 OF 8 A3 VCC GND VDD VSS ISSUE DATE 1 INS INS DWD 01 05 97 30 05 97 20 07 00 FILE RS232 INTERFACE OVA 169 100 25 OVA OVA 100n BobNolr128micN DR128Mic 61 499 Documents NSCHNIssue 21 NConns sch AUDIO SUPPLY INPUT 181 00 25 179 100 23 167 100 25 100n OVA 176 100n 10R PF 12 23 46 29 Sep 2000 DISK NO n 14 u Noe TX 1
59. Machines and Satellite Receivers Howevet certain equipment with higher output levels can be accommodated by setting the input gain to accept 4dBu nominal input levels The gain trimmers are located on the circuit board below the Mic Line input circuit boatd and are accessed by inserting a small cross headed screwdriver through the holes provided in the Mic Line Input circuit board DH128 USER GUIDE 30 Hardware Configuration B B B B 8 B O ER EE H ER H alo 5 1 2 3 4 O O O Cre O d d B E EE E ZTEEREN To decrease the input sensitivity carefully insert the screwdriver through the hole in the Mic Line PCB locate the tip of the screwdriver in the gain trimmer and rotate gently anti clockwise Do not use excessive force Caution Do not attempt to force the gain trimme
60. O co c CO C To CO C no HEADER 20X2 C188 100n 100 25 VSS 74HC03 VSS LOGIC DECOUPLING VDD SS ges ze 100n 100n 100n VSS Allen amp Heath Kernick In Penryn Co England TRIO 9LU Tel 44 Fox 44 ustrial Estate nwall 1326 372070 1386 365736 MIT at E Ee O Ua 52 CJ Co 155 C CI r3 U4 we R24 mim 5 Teze EEN E Ug wel C 632 RISET U10 C48 E 3 o o E ce 4 CN Hl we ol C47 DL 36 73 R3 37 78 C63 R64 jc C19 cg ep ca E 3 144 109 CJ us Jae ue o U18 RIJ GER GE me Tre SES ES U14 37 eben e SC l EI E ES LI I cep c30E d up C61 es cn co coq U26 C TEe I _ L3 C C 4 C35 E ji 18 ca e E Ld L s i un U16 E S R50 C56 R52 U6 asc CJ C50 054 LA E EJ TEX N CIO C11 BUE U25 0 108 Se Uel Ul CI Wes L3 UNE C ceo H s BE ES gt SS CC R30 R43 e R58 MD ee CA U7 U20 R41 p E CN1 LF De 23 o Teen R34
61. SEMBLY inc LCD display 6 REMOVING THE POWER SUPPLY CIRCUIT BOARD ASSEMBLY pp 7 ORDERING A DR128 UNIT OPTIONS amp SPARE ASSEMBLIES 8 ORDERING SPARE EE 9 10 TRANSEORNMER ROWE TT E 11 PSU CIRCUIT BOARD COMPONENT IDENT nnnm nnns AG2605 PSU CIRCUIT DIAGRAM sheet 1 of 2 transformer amp battery changover C2605 PSU CIRCUIT DIAGRAM sheet 2 of 2 switching amp linear regulators C2605 MIC INPUT CONNECTOR CIRCUIT BOARD COMPONENT IDENT eene AG2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 2 of 8 mic inputs 1 2 C2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 3 of 8 ADCs 1 2 C2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 4 of 8 mic inputs 3 amp 4 C2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 5 of 8 mic inputs 5 amp 6 C2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 6 of 8 mic inputs 7 8 C2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 7 of 8 ADCs 3 amp 4 C2602 MIC INPUT CONNECTOR CIRCUIT DIAGRAM sheet 8 of 8 Connectors C2602 LINE OUTPUT CONNECTOR CIRCUIT BOARD COMPONENT IDENT AG2603 LINE OUTPUT CONNECTOR CIRCUIT DIAGRAM sheet 2 of 8 line inputs 1 2 C2603 LINE OUTPUT
62. VA VA VA CN9 NC3MAH NE5532 14 DSS306 R R262 SCH R43 R KH 7178 UR tj E E sl C165 100n 22p 100 5 V DF0 S ES DIFI ee DIF R252 ADUTL ES e LRC QR CH Sc ADUTL R255 SDATA Ets 00R DE DE ADUTR 15 R254 T MUTE_R ADUTR E MUTE_L OR eh AUTD UTE R253 8 Ld MCLK 4TR VD5 0VA CN10 NC3MAH NE5532 VD5 OVA LK5 Wi VSS NUT FITTED Kernick Industrial Estote INS 03 03 97 Penryn Cornwall England INS 29 05 97 RG314 BALANCED OUTPUT 5 amp 6 TRIO 9LU RG315 Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE EADXFBob drl28line Dri28Linedolb DocunentsNineout3 sch 11 33 05 29 Sep 2000 DISK C2603 ISSUE 2 SHEET 7 OF 8 A3 C37 VA VA VA L17 a gt T RSI DSS306 U20C UI3C Ul4C e T i gt 00 25 Be ES C96 C47 C48 R52 100n 100n 100n R210 100K gt gt gt NE5532 NE5532 NE5532 OVA CNII NC3MAH VA VA VA 41 25 NE5532 L18 R56 DSS306 Cl29 SP R 00 25 ie 1 5VDAC R263 100K DVA DVA OVA mm C167 caecos c 1 50 1 50 100n 22p 100 I x NE5532 OVA 0VJj6 OVA D e U26 R102 54329 20 FO gt gt WCLK 3 R256 7 ADUTL g OR E st ann R259 SDATA DACA a m 00R E E ADUTR R208 nl MUTE R ADUTR MUTE 16 Eo 00R AUTO_MUTE R257 CLK236 B 8 a e 4
63. al signals using high quality A to D converters The digital audio is then passed through a series of Digital Signal Processing Engines before being converted back to analogue audio using high quality D to A converters It is the Digital Signal Processing Engines that give the DR128 its power and versatility MIC LINE INPUTS PROCESSOR ENGINES 1 OF 8 MIC LINE SS PALETTE PROCESSOR S IN SCH TRIM Gi POWER LINE INPUTS PM 1 Or 4 po MATRIX PR OCESSOR LINE 24 B e B O DC 8 Cs D TRIM Z TRM MATRIX PROCESSOR INPUT 4 OUTPUT METER PUT pr METER The Basic DR128 contains 2 Digital Signal Processing Engines as standard PE s for short The first PE implements the Matrix Processor whose configuration 15 always fixed The Matrix Processor provides 12 Input and 8 Output faders 12 Input and 8 Output signal meters 12 in 8 out crosspoint matrix with variable gain at each crosspoint 8 output protection Limiters Multiple priority Ducker 12 Input and 8 Output soft insert points for signal processing All the above functions can be configured either from the DR128 s Front Panel using the Setup Menus or by using WinDR System Manager running on a PC The
64. cations to the DR128 unit may invalidate the legal compliance of the unit and could void the user s authority to operate the equipment DR128 USER GUIDE Introduction 3 SAFETY WARNING Mains electricity is dangerous and can kill Mains voltage is present within the DR128 Do not remove the top cover with the mains connected Do not carry out any work within the unit while it is powered except for installation calibration High voltage components are insulated for safety but should not be touched with power applied The mains voltage setting is indicated on the rear panel mains socket Check that this matches your local mains supply voltage Check your mains wiring and earthing before switching on DO NOT REMOVE THE MAINS EARTH CONNECTION To ensure your safety the mains earth is connected to the chassis through the power lead Do not remove this connection Precautions AC Powet Check the rear panel for the correct AC mains voltage setting before switching on Connections Use audio connectors and cables only for their intended purpose Do not connect any source of AC or DC power to the DR128 s audio connectors Do not connect the output of power amplifiers directly to the DR128 Ventilation Do not cover the unit in any way Position the unit in a well ventilated location in the rack Cleaning Avoid the use of chemicals abrasives or solvents The front panel is best cleaned with a soft brush and a lint free cloth Dir
65. d DR128 USER GUIDE 32 Hardware Configuration To decrease the output sensitivity carefully insert the screwdriver through the hole in the Mic Line PCB and locate the tip of the screwdriver in the gain trimmer and rotate gently clockwise Do not use excessive force Caution Do not attempt to force the gain trimmers as they can easily be damaged The sensitivity is factory set at 4dBu The gain sensitivity values are shown below for different trimmer positions 2 Anti Clockwise i Clockwise Sensitivity dBu Gain dB DH128 USER GUIDE Setup Menu 33 Setup Menu ee 34 34 Entegnp tbesecitity 24 35 ee EE 35
66. d ISS 3 AAT 13 05 99 TRIO 9LU Tel 44 0 1326 372070 Fax 44 0 1326 363736 FILE ENDXF Bob dr12Bcpu DR128CPU_3 DDB Documents PESCH 11 08 37 29 Sep 2000 DISK NO C2604 ISSUE ISS 3 SHEET 4 UF 6 A3 VCC VCC 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N 100N Vtt R38 R37 R56 10K 10K 10K GND GND sO R54 25 U24 10K ESESESESSSESSSSEHSSESRS S EE 888 S 88 S888 T 5 Ze Ze 9 9 ii ss gt gt gt gt ss 55 gt SSS gt SSS Tr am n m 98 DAO dt 1 i 37 DAI T T js 95 zing ve GEN 203 67 T is 34 2DA3 nM 65 2 e 23 2DA4 oy L 9 PIRIN ZE 64 e i 89 zing Kess D6 6 x d 86 2DA6 5007 l e e 85 2DA7 5009 60 i 84 2DA8 e 5009 59 i gt A ue SDD 55 e m 53 l 15 2DCSN 83 20M0 DDI 5i e 74 PDCS Hh 84 PDA 2D 50 XS 5DWRN ho ee one 20014 48 m is 5DRDN 87 2DA3 DDS 47 k n 104 5DBSN 98 PDA De 46 3 he 2M MT 45 A Gare 27 AIRESEN M 35 PD MDa 43 2 u 32 PNSAC 96 PDAT aE 2d 2 29 Dt ws 97 2DA8 20020 40 e I TEE hg S PD Dal 39 5 M 24 Me 35
67. duce the possibility of damaging components Before handling any components or touching anything inside the unit discharge your body s static electric charge by touching a grounded earthed surface Wear a grounding wrist strap if one is available Do not remove parts from their antistatic containers or bags until you are ready to install them When removing circuit boards PCBs or chips from a unit immediately place them in an antistatic bag When handling PCBs hold them by their edges and avoid touching the circuitry Do not slide PCBs or ICs over any surface Avoid having plastic vinyl and foam in your work area Limiting your movements during service work reduces static electricity DH128 SEnvicE MANUAL 4 Service Procedures Removing a connector circuit board assembly Before beginning any service work remove all power to the unit and disconnect any signal cables where necessary Adopt static electricity working procedures when carrying out service work Ensure adequate lighting and use the correct tools Access to the connector circuit board options can be achieved without the removal of the circuit board assemblies To remove the lower connector circuit board assembly the upper assembly will have to be removed first 1 Working from the front of the unit remove the 6 cover screws and remove the cover Access to both connector circuit board options can be achieved at this stage Refer to the Hardware Configuration secti
68. e WinDR program group for information on how to do this Connecting the DR128 to a remote PC To use WinDR running on a PC to configure the DR128 you will first have to connect the DR128 to the PC This 1s done by connecting the RS232 port on the DR128 to the RS232 serial port on the remote PC 9way D type Pins 1 4 6 7 8 9 not connected Connector chassis connected to chassis earth DH128 USER GUIDE 60 Appendix Reseting the Password The Front Panel Setup Menu can be password protected to prevent un authorised tampering If you lose or forget this password it can be reset using the procedure below First remove power from the DR128 and then remove the top cover Locate and fit the passwotd reset link on the CPU circuit board The link is marked JP2 on the circuit board CPU Circuit Board e ooooooooooooooooooood PP 5 5 Spo oe oy eg oe j O LL LL O
69. eDD14 SUE 34 nz S 35 2DD16 36 2117 e 38 2DD18 VCCCK 9 e GNDCK 20 ok ST UT 2 4e cnet GND 200 19 S 2 20022 XA 22 3 mg gt 23 SH e 27 NC 5528 44 GI LC a NC NC NC EE VCC i LE LE 6S 1 EA Cocco Q5 Ca C5 C5 2 0 S is Sp56002 TOFP 6 zi Cal eleme alslals 8 O 7 10 o HEADER 5X JTAG PORT GND GND GND GND GND TITLE DRI DSP EXPANDE 13 44 38 29 Sep 2000 DISK NO C2741 ISSUE ISS 1 SHEET 3 OF 3 3 Allen amp Heath Kernick Industrial Estote Penryn Cornwall TRIO 9LU Tel 01326 372070 Fox 01326 363736 Error AKHLOGUPCK file not found Bre A amp H ERA SYSNE UNI ISSUE DATE A INS 1 AAT 19 08 97 07 10 97 FILE VSS Power Up Reset VDD VDD VSS SPI CSS RS232 INTERFACE VDD UiA TIDUT gt ru 2 RIIN 155306 Ral RI MAYPO2 rs VSS vm C8 VID 0 vss Ue CLR VPP RB7 RAD ANO RB6 RAL AN RIS RARAN M gt RA3 AN R33 gt mna ao L RAS SS RBI vss RBO INT en vm Eh vss RCO TIOSD TICKI SI i RC TIDSCCP RC6 TX CK i vam RCS SDO 5 RC3 SCK SCL ec4 SDI SDA 5 VSS VSS ENDXFBobNsysnetNDR Sysnet dob Documents C3166 sch VCC V GND C4 2 100n C5 100n i C3 15 100n
70. ecall then in normal operation simply pressing the Remote Key will recall the Patch number selected here Use the AV keys to 14 Key 1 Func D select the Patch P ATC H 1 M y Ser Number to recall then Press SET DH128 USER GUIDE 50 Setup Menu 15 Day of the Week Use this menu item to set up Day of the Week of the internal clock In Normal operation the day amp time are displayed in the bottom line of the LCD The time and day of the week are also used for programming timed events A kk A kk Press SET to change the Day Setup of the Week 15 Day of Week ser 3 A B v 15 Day of Week Use the AV keys to select the Day then DAY SATURDAY SE Press SET 16 Clock Use this menu item to set up the time of the internal Clock In Normal operation the day amp time are displayed in the bottom line of the LCD The time and day of the week ate also used for programming timed events Press SET to change the oetup EES o Clock Time E 1 6 C OC SET gt 16 Clock a TIME 18 43 31 y SET gt Use the AW keys to select the Hour Tens then Press SET to move on to the hour units minute tens and units second tens and units until done 17 LCD Contrast Use this item to adjust the LCD contrast for different ambient light conditions or viewing angle Values are between 0 light and 10 dark The default value is 3 A kA A kA Press SET to change the LCD 5 etu p o
71. eld audio cables from external interference such as the hum fields associated with power transformers lighting dimmer buzz and computer radiation Problems arise when the signal sees more than one path to mains earth An earth loop results causing current to flow between the different earth paths This condition is usually detected as mains frequency audible hum or buzz To ensute safe and trouble free operation we recommend the following Do not remove the earth connection from the DR128 mains plug The chassis of the DR128 is connected to mains earth through the power cable to ensure your safety Audio OV is connected to the chassis internally If problems are encountered with earth loops operate the ground lift switches on connected equipment accordingly or disconnect the screens from interconnecting audio cables at one end usually at the destination Avoid running audio cables next to mains computer or lighting cables or near thyristor dimmer and power supply units If unavoidable cross the cables at right angles Use low impedance sources such as 600 or less microphones to reduce susceptibility to interference The outputs of the DR128 are designed to operate at vety low impedances to minimise interference problems Use balanced connections where possible as these provide further immunity by canceling out interference that may be picked up on long cable runs To connect an unbalanced source to a balanced Mic Line input lin
72. en designed and manufactured please read this User Guide before operating In the event of a failure notify and return the defective unit to ALLEN amp HEATH or its authorised agent as soon as possible for repair under warranty subject to the following conditions Conditions of Warranty 1 The equipment has been installed and operated in accordance with the instructions in this User Guide 2 The equipment has not been subject to misuse either intended or accidental neglect or alteration other than as described in the User Guide or Service Manual or approved by ALLEN amp HEATH 3 Any necessary adjustment alteration or repair has been made by ALLEN amp HEATH or its authorised agent 4 The defective unit is to be returned carriage pre paid to ALLEN amp HEATH ot its authorised agent with proof of purchase 5 Units to be returned should be packed to avoid transit damage These terms of warranty apply to UK sales In other territories the terms may vary according to legal requirements Check with your ALLEN amp HEATH agent for any additional warranty which may apply DR128 User Guide AP2973 Issue 3 Copyright 1997 Allen amp Heath All rights reserved This Product complies with the European Electromagnetic Compatibility Directives 89 336 EEC and 92 31 EEC and the European Low Voltage Directives 73 23 EEC and 93 68 EEC Manufactured in England Allen amp Heath Agent ALLEN amp HEATH Kernick Industr
73. eters provide 60dB of gain adjustment Individual Phantom Power 15V and 20dB pad options are provided on internal links 5 Mains Input Fused IEC Mains socket for the internal power supply 6 Remote Input 9 Way Female D Type provides 8 opto isolated switch closure inputs The switch functions ate software configurable in a similar fashion to the Front Panel Function Keys 7 Line Inputs 4 unbalanced mono Line inputs are provided on dual RCA Phono connectors Dual inputs A B are provided for mono summing of stereo inputs Operating levels from 10dBV to 4dBu can be adjusted using internal trim potentiometers 8 Line Outputs 8 Balanced Line Outputs are provided on male XLR connectors Output operating levels from 10dBV to 4dBu are adjustable using internal trim potentiometers DR128 USER GUIDE Using the DR128 17 Using the DR128 Contents Pront Panel Display u em 15 18 Eet 18 regen ege siete 19 u eui be bite 20 puncuomTseyas a evel E perticas to pao asas bd did 20 Daehn Ce 22 Se 25 ENEE 23 Remote 5xvtteb Ee E 23 Wira Renae 23 DH128 USER GUIDE 18 Using the DR128 Front Panel Display When turning on the DR128 the LCD will display the following messages DR128 Ver 1 00 Please Wait The top line provides the firmware version number This will display for about 10 seconds while the DR128 15 initial
74. evel Level Down Pressing the Function Key decreases the level DR128 USER GUIDE 20 Using the DR128 Level Up Dn The level can be increased or decreased using the AV Front Panel keys In each case Trim Limits can be set up which limit the amount of level range that can be adjusted from the Function Key Patch Select The Function Key can be used to select and recall any of the 16 internal Patch memories Patch Recall The Function Key can be used to directly recall a single Patch The Function Keys are configured using Setup Mode See page 46 A description of how to use the Function Keys in each of their configurations is given below Function Key Unused The Function Key has no action When the function key is pressed the LCD displays the following PATCH Patch 02 Unused This display will remain while the Function Key is pressed The Function Key s LED will always remain OFF Function Key as a Level Control A Function Key can be programmed to control the levels of a single Input or Output channel The simplest case is when a Function Key is configured as a Level Increment or Level Decrement Level Increment Decrement If the Function Key is assigned as a Level Increment pressing the Key displays the following Mic 1 Lev 65 1 The top line of the LCD provides the name of the channel whose level is being changed and the current level setting The level 1s displayed as a value between 0 and
75. ge the o Security settings e 19 Set Security a A PASSWORD UY DH128 USER GUIDE 52 Setup Menu Use the V keys to select each character for the Password Use SET to move to the next character 19 Set Security SECURITY ON Use the W keys to change the security from ON to OFF Forgotten Password In case of lost or forgotten passwords there 1s a method of resetting the password Refer to the relevant section in the Appendix DR128 USER GUIDE Appendix 53 Appendix E ET 54 Technical EE 55 EE 56 Bosan qepa y O tua a ua ean dept MUN tei rep Ta MED 60 DH128 USER GUIDE 54 Appendix Architect s Specification The unit shall be a digital mix processor with 12 analogue inputs and 8 analogue outputs The unit shall have a full crosspoint matrix comprising 96 points allowing any input or combination of inputs to be routed to any output or combination of outputs crosspoints shall have a variable level The 8 mic line inputs and 8 line level outputs shall be on balanced XLRs with level trims The 4 stereo line inputs shall sum to mono and be on RCA phono connectors with level trims Comprehensive ducking capability shall be provided The mic line inputs shall have internal jumpers for pad and phantom power selection The mic line gain range shall be 18dB to 60dB with input impedance of 2kQ no pad or 10kQ pad The phono input gain sensitivity shall be internally adjustable fro
76. h WinDR software However to get access to all the features in the DR128 e g EQ Gates compressors it is necessary to connect a computer via the RS232 connector and run the WinDR software For details on connecting and using WinDR please refer to the Appendix section For further information on the basic principles of audio system installation and engineering please refer to one of the specialist publications available Whilst we believe the information in this guide to be reliable we do not assume responsibility for inaccuracies We also reserve the right to make changes in the interest of further product development Service amp Technical Support Under normal operating conditions the DR128 does not require user maintenance or calibration Internal links amp preset controls may be set to configure the unit during installation To avoid damage to internal components by mishandling and or misconnection only technically competent personnel should attempt service amp installation work on this unit We are able to offer further product support through our worldwide network of approved dealers and service agents To help us provide the most efficient service please would you keep a record of the unit serial number the date and place of purchase and quote these in any communication regarding this product WARNING TO THE USER INSTALLATION SERVICE ENGINEER Allen amp Heath warns that any unauthorised changes or modifi
77. heet 3 of 3 processing engine 2 C2741 Refer to SECTION A for information on installation calibration and operation of the DR128 DH128 SEnvicE MANUAL SectionB 3 INTRODUCTION The information presented in this section of the manual is intended for competent technical personnel to carry out service and product support for the DR We assume that the reader is familiar with the related electronic theory and audio terminology and is able to carry out basic servicing fault finding and repair of digital audio equipment of this type Service personnel should also be familiar with audio systems mains earthing and power requirements as well as handling precautions For information on the installation operation and application of the DR please refer to section A of this manual Whilst we believe the information in this manual to be reliable we do not assume responsibility for inaccuracies We also reserve the right to make changes in the interest of further product development SERVICE AND TECHNICAL SUPPORT Under normal operating conditions the DR does not require user maintenance or internal calibration Any service work required should be carried out by qualified technical personnel only We are able to offer further product support through our worldwide distribution network To help us provide an efficient service please quote the unit serial number the date and place of purchase in any communication
78. ial Estate Penryn Cornwall TR10 9LU http www allen heath com A DIVISION OF HARMAN INTERNATIONAL INDUSTRIES LTD Contents i Full Contents Section 1 Introduction Eege 1 ServiceGc Technical u k 2 Sdtety 2 CI E AA 3 TS 4 GCT ER 5 Chanoine the Fuse or Mains Voltage Settnio re i 5 Connecting DG Su pple a huu Qua 6 ilin tial Section 2 DR128 Overview J ijo EEN 10 b O PULO Sehr uy EE 10 Si 10 Pasie EE M RN 11 Resource BEE 12 Front Panel LAYOUT ureno a E E 13 nt am 14 15 RE 10 Section 3 Using the DR128 F RE Dyis 15 AUO CA EE LUI LULA nibh in Le EE 18 E e 18 Fe Or I Oo se nn 19 Duticion EE 20 Puncuon Key E ECONO ei oio pim enm 20 Pate Eege EE 22 23 li gari epe EE 23 Remote Ware th See 23 MVS RETO k E 23 DH128 USER GUIDE li Contents Section 4 Hardware Configuration NI 26 Nc Ti Ti Edd entree 27 Ee Pane ere Zi Selecting e 28 Phantom den CE a 28 J Te 29 oettns bine EE 29 balanced Ga 31 EE 31 Section 5 Setup Menu ble ole 6 ane pepe nent A A re enter nen MM MM EE 34 nien e EE 34 Enterin The Security Dassw
79. ide Check that the voltage on the rear panel is the same as the mains supply in your area Check that the cotrect mains lead with moulded mains plug and IEC connector has been supplied with your unit Read and understand the warnings and instructions printed on the reat panel It is advised to turn connected power amplifiers down or off before switching the unit on or off Ensure that the IEC mains plug is pressed fully into the rear panel socket before switching on Changing the Fuse or Mains Voltage Setting The unit may be configured for the following mains voltages The rear panel mains protection fuse is a standard 20mm anti surge type Use the correct fuse type and rating for the selected mains voltage as shown 100V AC T1 6A 120V AC T1 6A 220V AC T630mA 230V AC T630mA To change the mains fuse first remove the mains lead from the rear of the unit Remove the fuse cover from the AC inlet socket using a flat blade To change the mains voltage settings replace the fuse cover as indicated on the fuse cover with the correct mains setting pointing upwards 230 220 Lever with flat blade Fuse Cover screwdriver DR128 USER GUIDE 6 Introduction Connecting DC Supplies A 24 Volts DC backup supply may be connected so that the unit remains powered in the event of a mains supply failure This switches in automaticall
80. ill also be stored in the Patches To summarise Patches will store the following settings Input and Output Channel Levels Input and Output Channel Phase settings Crosspoint Matrix levels Limiter settings Ducker settings DSP Resoutce assignments and settings some DR128 settings apply to the entire unit all of the time and will not be stored in the Patches Patches will not store the following settings Input amp Output Channel Names Patch Names Function Key assignments Remote Key assignments Clock and Week Day settings Scheduled Events LCD Contrast setting Password and Security settings Patches are set up either using the Save Patch item in Setup Mode or by using WinDR Patches can be recalled by any of the following Recall Patch in Setup Mode Function Keys assigned as Patch Recall Patch Select Remote Keys configured as Patch Recall Recall Patch from WinDR The factory defaults for all Patches are e All Input amp Output Channel levels are at 0 minimum e All Crosspoint Matrix levels at 100 maximum e Patch names are Patch 01 Patch 02 etc Function Keys The 12 Front Panel Function keys are provided to allow the end user basic control over the DR128 s functions Each Function Key can be assigned the following tasks Unused The Function Key has no action Level Control The Function Key can be used to change the level of an Input or Output Channel There are various ways of controlling l
81. ineNDrle8Line ddb Documents lineoutl sch 11 30 32 29 Sep 2000 DISK NO C2603 ISSUE se SHEET 3 p B 3 1VA D VA uer 95 un gt C90 gt C43 gt C44 100n 100n 100n gt gt SS NE5532 NE5532 NE5532 VA Su VA CN7 NC3MAH 47 25 NE5532 en 5VJAC w x10 C163 Cie 1d 20 10 ia SCH NESS32 VA wd OVA ER v e Ua4 CS4329 al no S 2 DIF 00p R248 K ADUTL WELK 2 CG LRC DR 2 Sc ADUTL R251 SDATA DAC ae ES O00R DF L i ADUTR R250 Wi Dl MUTER ADUTR MUTE 16 UTE L O0R Im R249 dh E er 47R ul OVA CNB NC3MAH NE5532 VD4 OVA LK4 OVA VSS MH FITTED ISSUE LINE OUTPUT PCB Allen amp Heath Kernick Industrial Estate 1 INS 03 03 97 Penryn Cornwoll England 2 INS 29 05 97 RG314 BALANCED DUTPUT 3 amp 4 TR10 9LU RG315 Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE EADXFBob drl28line Drt28Line dob DocunentsNineout sch 11 30 00 29 Sep 2000 DISK C2603 ISSUE 32 SHEET 4 OF 8 A3 WCLK B DAC3 MUTE Un D ISSUE LINE OUTPUT PCB Allen amp Heath 1 e UI9 ULC EN ES 93 45 ES 46 m 100n 100n 100n p EE NE5532 NE5532 NE5532 B 100K
82. ising During boot up all of the output channels are muted When the initialisation is complete the LCD will display the following 01 Patch 01 Wednesday 11 59 The top line of the LCD will display the current Patch number and Patch Name The Patch number will be the last Patch recalled before the DR128 was turned off The bottom line will display the current Day and Time Auto Peak Because all of the DR128 s inputs and output levels are not always visible on the Front Panel an Auto Peak feature will display a warning message on the bottom line of the LCD if input or output levels are within 4dB of clipping 02 Patch 02 Mic 1 PEAK The message will remain displayed until the levels drop below the 4dB threshold If the peak was caused by a momentaty peak the message will hold for 5 seconds If multiple channels are activating Auto Peak there is a priority for which channels get displayed Input Channels have priority over Output Channels and the lower number channels have priority over higher number channels Note that Auto Peak does not operate when in Setup Mode or when using a Function Key for example when changing levels or patches Patches There are 16 programmable Patch memories available internally in the DR128 A Patch stores all of the DR128 parameter settings levels limiter ducker etc If any DH128 USER GUIDE Using the DR128 19 DSP Resources have been configured using WinDR these assignments w
83. k the cold input XLR pin3 to OV earth XLR pinl at the unit To connect a balanced Line output to an unbalanced destination link the cold output to OV earth at the DR128 Use professional quality cables and connectors and check for correct wiring and reliable solder joints DH128 USER GUIDE 8 Introduction This page intentionally left blank DH128 USER GUIDE DR128 Overview 9 DR128 Overview 10 ea 10 Ge 10 11 EE 12 J ee Pane dba ona tb vere M DIM 14 14 ee 14 PNIS E D me cR EET 14 S Sesso do cce mS 14 d INGE EV Gus p ditio us Ge Dip da ond talus 14 5 Stas LEDS EE 14 GO I So 14 a 14 Rair Connector Pane TAVO uuu uuu ua anu uh ua skua aun a upas 14 10 10 Ne 10 OO 10 16 S OU 16 GQ Remote ne 16 M Eine E 16 O ne OPU ya en 16 DR128 USER GUIDE 10 DR128 Overview Introduction The DR128 is a 12 input 8 output Digital Audio Mix Processor designed for installed systems The powerful and expandable internal signal processing enables sophisticated installation setups requiring full matrix mixing zoning and signal processing in a single 2U space Allen amp Heath WinDR System Manager is a Microsoft Windows 95 M application running on a PC It is provided for setting up the routing configuration and signal processing of the DR128 Once configured the DR128 perform
84. lb Documents Dsp_exp pr j 134317 29 Sep 2000 DISK C2741 ISSUE ISS 1 SHEET 1 OF 3 3 Fox 01326 365736 Error AMILGUPCK file not found VCC VCC VCC C6 C7 100N 100N C3 2 4 8 LI vec 100N 100N 100N 100N VCC EMI zt a GND OPRET2 1 it o 33 D B PRETI 2 34 20 2 10 10V PRET 3 30 3 c E muc SC SE I C5 C5 C5 C5 4 1 GND Eu c d c coca M 2 SSS 555 S 88 5558 EXPSENDS D GND E e ee a Cv SSS SSS E SS SSS DIPSENIG 6 Au 2 71 98 AD Dm gt 6 0 DAO a TW us i l De 68 DA 95 A WI 77 BSN RESET 9 x DD3 67 94 A3 a 2A 0 DM 65 d 93 M 68 IDRDN 2A 1 p e DDS 64 jut 89 A5 oa LEINEN a eee mm x CE ge HRDY 4 30 3 me o GE 84 AB Deg S TIG 5 us D9 59 i US 83 A9 DS ege 50 5 Dus 9 DA yr Ke CS 7 DD 53 YS 75 CSN 83 1DA0 S JSp4 8 a Die 5i d Go 74 CS K B4 IDAL Se 9 HERE w 114 WRN i 86 1 mett 7S3 M 48 a 113 RDN mom i 37 10A PSENDI 21 DDD 47
85. le incoming mains voltage range shall be configurable to 100 120 220 or 230 VAC The front panel shall feature 12 installer definable function keys for user control of volume levels and patches A removable fascia shall enable custom labeling There shall also be a backlit LCD for indication of setup menus peak conditions patch status and channel levels Important system parameters such as Patch Naming Channel Naming Limiter control Ducking control Phase reversal Routing assignments Date Time LCD contrast and Soft Key definitions shall be password protected from user adjustment Facilities for remote switching of unit parameters shall be provided The unit shall weigh no more than 10kg in a 2U rack mount chassis The chassis shall be constructed from zintec steel and feature a removable top for configuration of internal jumpers and presets The unit shall be the Allen amp Heath DR128 digital mix processor DH128 USER GUIDE Appendix 55 Technical Specifications Headroom Max Output Frequency Response THD Dynamic Range Hum amp Noise Mic EIN Crosstalk 1kHz Sampling Frequency A D Converter D A Converter Processing Mic Input Gain Control Mic Line Pad Line Input Gain Control Line Output Gain Control LCD Display LED indicators Function Keys Front Panel Meters RS232 Remote Switch Inputs Patch Memories Battery Operation Mains Settings Power Consumption Weight Dimensions Options 16dBu
86. lect the first password character then press SET to move on to the next character and so forth until the last password character is selected then press SET SET gt If the password is incorrect the LCD will display the following and return to normal mode KKK Setup Password Wrong If the password is correct the first Menu Item will be displayed Setup k 1 Hecall Patch DH128 USER GUIDE Setup Menu 35 Navigating the Menus a y Use the AW keys on the right hand side of the LCD to navigate through the Main Menu Items Use the SET key to edit the settings of a Main Menu item Use ESC to backtrack or undo any lt esc changes made with SET SET P gt When editing Main Menu settings the AV keys are used to change parameter values and the SET ESC keys are used to confirm or cancel Refer to the Menu Map on page 36 for the Menu structure Exiting Setup Mode To exit Setup Mode press the ESC key If you have made any changes that can be stored in a Patch you will be prompted to save them in a Patch Exit Setup A SAVE CHANGES Y Y Select YES or NO using the AV keys then press SET to accept your choice If you select YES you will be prompted for a Patch Number to store the changed settings Save setup exit a A PATCH 1 ON Or Use the AW keys to select a Patch The currently active Patch number will be indicated with ON as shown abo
87. m 10dBv to 4dBu with an impedance of 10kQ The inputs shall be converted using a 24 bit analogue to digital converter The XLR outputs shall have a variable senitivity from 10dBV to 4dBu with an output impedance of 5002 The conversion shall be by a 20 bit digital to analogue converter The unit shall be configured over a standard RS232 port using a proprietary 32 bit Windows based software application with a Graphical User Interface Configurations shall be editable both on and off line The configuration shall determine the allocation of internal signal processing resources to input and output channels as well as routing passwords levels and channel names After configuration the unit shall run standalone without an external computer Signal processing resources available shall include compressors gates limiters graphic equalisers parametric equalisers and crossovers Optional expander cards shall provide the facility for additional signal processing resources and or supplementary delay resources The unit shall use Flash memory to permit firmware upgrades via the RS232 port An internal real time clock shall allow scheduling of timed events The unit shall be compatible with BS5839 installation requirements The hybrid switched linear power supply shall allow emergency operation with a single 24V external battery and the unit shall interface with alarm systems The total power consumption shall be no more than 70VA and the permissib
88. ndustrial Estate Penryn Cornwall England TR10 9LU Tel 44 0 1326 372070 Fax 44 0 1326 363736 FILE ENDXFBobNarie8lineNDr128Line ddlo DocunentsNc2603pr j 110507 29 Sep 2000 DISK ND ISSUE SHEET 1 OF 8 3 C50 00p R69 CNI PHOND_VX2 LI Cl DSS306 RII CCK CN PHOND_VXe Le C2 DSS306 10 E d eek UeC U3C VA VA Te 4 qu 4 VE V F V V L VA VA TLO72 TLO72 VA ISSUE DATE 1 INS 03 03 97 e INS 29 05 97 RG314 RG315 FILE EADXFBob drleBline Drie8Line dob DocunentsWMineinl sch 2 cn no R134 OKx OVA 11 26 04 29 Sep 2000 DISK 3615 G 100 25 DRI LINE T9VADCI LINE INPUTS 1 amp C2603 35 5VADC 150u 5VD 115 l o l iso 100n C141 C140 10 35 100n Qa 10 35 98 V 10 35 1 I mi OVA r f ZCAL 10 a RESET 119 VREFL RST 100 m VCOML m TEST e R167 lt D 4 AINL d C82 CMODE n ees End S S AN SMODE 2 SUR u RU SMODE Et O 50 AINR SC C83 SEL24 etd EE JOR MCLK SCLK 4 C120 00n 28 rom x VREFR e LRCK 5 VREFR SDATA 100 ER 2 A 10 35 10 35 AK5391 2 U2 mi OVA Du wg SEH ENG OVA VI LKI SNE rea 3 a al St a OVA VSS NOT FITTED UTPUT PCB ISSUE SHEET d Allen amp Heoth Kernick Industrial Estote Penryn Co
89. nverted Phase Press SET to return to the main menu 10 Input Level Use this menu item to alter the Input Channel Level This is equivalent to moving the faders on the Input Window when running WinDR The level can be varied from 0 to 100 in steps of 5 The table below gives level values against dB attenuation ppp mE Es EPP llr CIEEJEIEJEIEIEJEIETCS Press SET to select the Input Setup Channel 10 I P Level 10 I P Level Use the AV keys to select the Input CHANNEL 1 Channel then press SET Use the AV keys to o change the level from 0 to 100 Then Press SET 10 I P 1 Level LEVEL 100 DH128 USER GUIDE Setup Menu 45 11 Output Level Use this menu item to alter the Output Channel Level This is equivalent to moving the faders on the Output Window when running WinDR The level can be varied from 0 to 100 in steps of 5 The table below gives level values against dB attenuation Press SET to select the o Output Channel Use the AV keys to o select the Output Channel then press SET Use the AV keys to o change the level from 0 to 100 Then Press SET zk k x Setup zk x lt x 11 O P Level 11 O P Level O P CHANNEL 1 11 O P 1 Level LEVEL 100 12 Crosspoint Matrix Levels The level at each node of the 12 x 8 Cross Point Mix Matrix can be adjusted using this menu item The level can be vatied from 0 to 100 in steps of 5
90. on in the Installation guide for information on changing the connector board options Upper connector board assembly S ar ao CH ee d gn C ee Lower connector board assembly 3 Working from the rear of the unit remove the connector fixing screws A and using a 5mm AF nut driver remove the D type connector fixings B 4 The circuit board assemblies can now be removed by carefully easing them off the plastic mounting pillars When all service work is complete remove all debris such as solder component legs and wire clippings from inside the unit and check your work carefully before reassembly To refit the connector circuit assemblies follow the above procedure in reverse order Make sure all harnesses are correctly aligned and plugged on Test for correct operation DH128 SEnvicE MANUAL Service Procedures 5 Removing the CPU microprocessor circuit board assembly Except for the battery BAT1 there are no serviceable parts on the microprocessor circuit board assembly If afault on the microprocessor circuit board is suspected then confirmation of a fault is by board replacement only Before beginning any service work remove all power to the unit and disconnect any signal cables where necessary Adopt static electricity working procedures when carrying out service work Ensure adequate lighting and use the correct tools 1 Working from the front of the unit remove the 6 c
91. ong cable runs You can plug in an unbalanced 2 wire source simply by linking the input ve cold connection to ground XLR pin 3 to pin 1 in the connector plug Setting Mic Line Input Gain Each of 8 XLR Mic Line inputs has a recessed gain control potentiometer accessed from the rear panel To adjust the gain use a small flat headed screwdriver into the slot of the potentiometer spindle Gain is increased by turning the potentiometer clockwise when looking at the rear panel The Gains are factory set at minimum gain The gain values ate shown below for different gain trim positions Line settings are with the 22dB Pad inserted Pad links removed OS Anti Clockwise Clockwise Mic Gain dB Line Gain dB DR128 USER GUIDE 28 Hardware Configuration Selecting Mic Pad The Mic Line inputs of the DR128 are factoty configured as Mic Inputs To use the inputs as Line level inputs remove the two internal links fitted in each input stage Removing the links adds 2248 of attenuation Remove the top cover to access the links These are located on the top Mic Line PCB The locations for each channel are shown below
92. ort 34 NA 35 Setup MO so secs pM 25 30 37 Die As iO MU nA a M ME AL M SP EE 38 Joe Name EE 38 SedName Outsut Caanmiel qa Ba kasaq sa etae 39 Ch au a MM u u MM EUN M UM E 40 T uchka Seton Qhawa T 41 OASe Dor op Oo Oo a 43 JS 43 Us 44 sOn CV u 44 e OO E Poi T 45 40 ein 48 49 EM 50 Irc X ere 50 dee e 50 CO 51 Section 6 Appendix EE 54 dere 55 Connecttis N NDR son ne NEN pU MM EE 56 Resen VS Pass C RED FA DAMM DUE AMA PL HRS 60 DH128 USER GUIDE Introduction 1 Introduction Ee ere 2 SERVICE Lechnical 2 Se 3 3 Kee ETETA 4 COMME CHING Ee 5 Chaneime the Fuse Or Mains Voltage uy y e ustuna kpt as 5 0 7 DH128 USER GUIDE 2 Introduction Introduction The DR128 continues Allen amp Heath s commitment to provide high quality audio equipment engineered to meet the exacting requirements of today s audio industty It brings you the latest in high performance technology and offers the reassurance of over two decades of manufacture and customer support This uset guide presents a guide to the function application and installation of the DR128 It does not require a remote computer to be connected and running Allen Heat
93. oth Kernick Industrial Estate 1 INS 23 10 96 Penryn Cornwall England e INS 30 05 97 PAGE PROJECT PAGE TRIO 9LU 21 DWD 25 07 00 Tel 44 0 1326 372070 Fox 44 0 1326 365736 FILE ENDXFBobNoIr128micNDRT28Mic 21loob Documents SCH Issue 21 C2602 pr j 12 18 52 29 Sep 2000 DISK NO Ce60e ISSUE SHEET 1 DF 8 A3 Phantom Powe PPV de Li Le DSS306 Ll DSS306 NC3FAHCO VRIB R OKRD WA FIT LINKS FOR MIC VA C9 100n VA Phantom Power PPV LE Ki DSS306 4 DSS306 CNe NC3F AKO VR2B OKRD R44 eKx O X9 J6 MIC LINE JA Q R66 47 63 47 63 BN VA VA U3C ISSUE DATE 1 23 10 96 30 05 97 29 07 00 Vt V C33 100n NE5532 VA VA FILE EADXFBob drleBmic DRICEMic_e lodok Documents SCH Issue 2l Micini sch R32 BKex OVA R13 BKex R33 BKex C26 330p 1N4002 C41 Z TIN VA 330p 1N400 Z VA 12 19 29 Z 1N400 29 Sep 2000 RG318 RG313 RS AKTX Q Se VRIA Ro3 R11 Kx VA R36 4K 7 VReA R48 R38 1K2 VA DRI MIC INPUT PCB TITLE MIC INPUTS 1 amp 2 C2602 ISSUE 9VADCI R4 10K OVA 9VADCI R46 10K R43 68R R40 10K OVA C2 ag ID EH MICI
94. other pointing device 372 floppy disk drive RS232 serial communications pott Software Microsoft Windows 951M Installing WinDR onto a PC WAnDR can be installed from one of two sources e From 3 floppy disks e Downloaded from the Allen Heath Website IMPORTANT DO NOT INSTALL THIS SOFTWARE OVER A PREVIOUS VERSION This Setup utility will install WinDR System Manager into it s own directory so that previous versions of WinDR can be retained A previous version can be un installed by using the Control Panel Add Remove Programs application from the Windows Start Settings menu Installing WinDR from 3 7 discs Allen amp Heath WinDR System Manager software 15 a PC compatible Microsoft Windows 95 application It is supplied on 3 disks To install the software on a PC follow the procedure below 1 Insert disk number 1 into the 372 floppy disk drive 2 From the Start menu in Windows select Run and type a setup exe 3 When the Welcome screen is displayed choose Next DH128 USER GUIDE Appendix 57 g Ini xj WinDR System Manager V1 20 4 Follow the instructions displayed on the screen and insert the remaining disks when requested 5 When WinDR has been installed successfully the following final screen will be displayed choose Finish 48 Ini x WinDR System Manager V1 20 Setup has finished installing the application on your computer fou may launch the application by selec
95. over screws and remove the cover 2 Unplug the harnesses to the microprocessor circuit board assembly DSP Expander lt board Microprocessor assembly board assembly SSS o iN f d Ay ZR M e A 3 Squeeze the tops of the plastic mounting pillars and ease each corner of the circuit board off each pillar Repeat the procedure for each pillar until circuit board assembly is free When all service work is complete remove all debris such as solder component legs and wire clippings from inside the unit and check your work carefully before reassembly To refit the microprocessor circuit assembly follow the above procedure in reverse order Make sure all harnesses are correctly aligned and plugged on Test for correct operation DH128 SERvICE MANUAL 6 Service Procedures Removing the front panel circuit board assembly Before beginning any service work remove all power to the unit and disconnect any signal cables where necessary Adopt static electricity working procedures when carrying out service work Ensure adequate lighting and use the correct tools 1 Working from the front of the unit remove the 6 cover screws and remove the cover 2 Unplug the harnesses to the front panel circuit board assembly 3 Remove any DSP expander cards fitted to the microprocessor circuit board DSP Expander board assembly Front Panel board assembly 2
96. p k k x 1 Recall Patch 1 Recall Patch PATCH 1 1 Recall Patch PATCH 2 ON 1 Recall Patch LOADING PATCH 2 1 Recall Patch PATCH 2 LOADED k k x Setup k k x 1 Recall Patch 2 Save Patch Press SET to select the Patch Select the Patch number from 1 to 16 ON will be shown if the Patch is already active Press SET to recall the patch This menu item is used to save the current DR128 settings into one of the 16 patches k k x Setup k k k x 2 Save Patch 2 Save Patch PATCH 1 2 Save Patch PATCH 2 ON Press SET to select the Patch Select the Patch number from 1 to 16 ON will be shown if the Patch is already active Press SET to save the patch This will take a few seconds DR128 USER GUIDE 38 Setup Menu 2 Save Patch SAVING PATCH 2 2 Save Patch PATCH 2 SAVED kkk setup zk k x 2 Save Patch 3 Name Patch This menu item is used to give one of the 16 Patches a name up to 8 characters in length The Patch Name and its number is displayed on the top line of the LCD during normal operation The default Patch names are Patch 01 Patch 02 etc kA Setup A kk Press SET to select the Patch 3 Name Patch Name Patch Select the Patch number from 1 to 16 PATCH 1 ON will be shown if the 9 ame P alc n Patch is active Press SET PATCH 2 ON to name the patch 3 Name Patch 2 NAME Patch 02 e Use the AV keys to
97. put 1 Pin 9 Common To control a steteo source 2 pole momentary switches can be used as shown below For example a stereo source connected to inputs 9 and 10 can simultaneously be remotely controlled using two 2 pole switches Level Up Level Down Pin 1 Switch Input 1 Pin 3 Switch Input 3 Pin 4 Switch Input 4 Switch Input 1 configured as Level Increase on Input Channel 9 Switch Input 2 configured as Level Increase on Input Channel 10 Switch Input 2 configured as Level Decrease on Input Channel 9 Switch Input 4 configured as Level Decrease on Input Channel 10 Remote switches can also be connected in parallel to provide for example remote control ofa level from more than one location Pin 1 Switch Input 1 Pin 2 Switch Input 2 pz cun Eo c Pin 9 Common pu DH128 USER GUIDE Hardware Configuration 25 Hardware Configuration Level uyo ba 26 hrs Puci pi TERM 27 Serio Ve Dine Input Oa ee en beet RR IHR 27 ST Ee MIC PAC om 28 Phantom Lower cu cmd DECR RII IIR REIR DR CRI DR RE eR D pU oid e Red 28 Lig Ippuls 29 SS tat T no L0G a a a E ott ra 29 iD 31 Se Hee Output ola 21 DH128 USER GUIDE 26 Hardware Configuration Configuration of the following settings are detailed in this chapter Mic Line Pad Links on Mic In PCB Pad not enabled Links fitted Mic Phan
98. range When adjusting the level using a Function Key if the defined maximum or minimum level is reached a bar will appear above the or below the N indicating that the level cannot be increased or decreased any further DH128 USER GUIDE 22 Using the DR128 Here the minimum level has been set to 35 or 21dB I Here the maximum level has been set to 75 Mic 1 Lev 75 or 5dB Signal Meter When assigned as a level control the LED indicator above the Function Key will act as a signal meter Green indicates signal present and Red indicates a signal peak nearing clipping Green on at 36 dBFS Red on at 6 dBFS Clipping occurs at OdBFS which is the maximum internal signal level in the DSP Patch Select A Function Key can be programmed to allow the User to select and recall one of the 16 internal Patch memories Pressing the Function Key will display the following Use the AV keys to scroll select A through the 16 Patches 01 Patch 01 y The bottom line of the LCD shows the Patch number and the Patch Name If the displayed Patch number is Select A currently active ON will be 02 Patch 02 ON W displayed S t When the desired Patch 15 elec displayed press SET to recall it To cancel the Patch Select operation at any time press ESC If during Patch Select no keys are pressed the display will revert to normal after about 5 seconds Status Indicator When a
99. regarding this product SAFETY WARNING Mains electricity is dangerous and can kill Mains voltage is present within the unit Except for Installation and calibration do not remove any covers with power connected Do not carry out any work within the unit while it is powered High voltage components are insulated for safety but should not be touched with power applied The mains voltage setting is indicated on the AC mains input socket on the rear panel Check that this matches your local mains supply Check your mains wiring and earthing before switching on DO NOT REMOVE THE MAINS EARTH CONNECTION The chassis is always connected to mains earth Audio OV connects to the chassis internally Should problems be encountered with ground loops operate the audio ground lift switches on other equipment connected to the unit or disconnect the cable screens at one end Refer to the section on EARTHING in the User Guide WARNING There is danger of explosion if the battery is incorrectly replaced Replace the battery with an Allen amp Heath recommended part Using a different battery recharging or dissassembling the battery may present a danger due to fire or explosion Dispose of used batteries promptly according to the manufacturer s instructions Keep all batteries away from childeren IMPORTANT STATIC ELECTRICITY PRECAUTIONS Many of the components in the DR are extremely sensitive to static electricity The following procedures re
100. ress SET to select the Setu p Output Channel 5 Name Output 5 Name Output Select the Output Channel number O P CHANNEL 1 from 1 to 8 Press SET to enter a name 5 Name Output 1 NAME O P 1 SET gt Use the AV keys to scroll to the desired character then press SET to move on to the next character You can press ESC to move to the previous character When all characters are done press SET DH128 USER GUIDE 40 Setup Menu 6 Limiter Setup Hight Protection Limiters are provided as standard one on each of the Output Channels Threshold and Response controls are provided with several settings to alter the performance of the limiters Threshold Threshold parameter determines the level at which the limiter starts operating Threshold values are gtven in dBFS The value can be selected from os e oe T oe 10dB 12dB 15dB 20dB 25dB 30dB 35dB When the Threshold is set to OdB the Limiter is disabled amp will have no effect Response The Limiter Response parameters determine how fast the Limiter will react when the audio level is above the Limiter Threshold and how fast the limiter will release when the audio level falls below the threshold es was sms es s v sens roms o 8 ws ns us s os s o 8 Press SET to select the kkk S etu D EE ER Output Channel 6 Limiter oris Use the AV keys 6 Limiter to select the O p C
101. rnwall England TR10 9LU Tel 44 0 1326 372070 Fax 44 0 1326 365736 CN3 PHDNU VX2 l3 C3 DSS306 R13 Cek CN4 PHOND_VXe L4 4 DSS306 R14 Ed Ce U4L USC VA 4 4 V V eer V V m VA VA TLO72 TLO72 VA VA VA ISSUE DATE 1 INS 03 03 97 e INS 29 05 97 RG314 RG315 FILE EADXFBob drieBline Dric8Line dokb Documents tineine sch C54 2 A en gt 5 T9VADC e 79 een SS 100 25 100n R140 OKx 0VA DRL LINE LINE INPUTS 3 amp 4 PAGE 11 27 00 29 Sep 2000 DISK C2603 UTPUT PCB ioi 3VADC 150u 9VD C117 146 tl 143 100n C145 144 10 35 102 102 0VA 0VDe 10 35 10 35 at p OVA OVA VREFL ZCAL u 10 a RESET C121 VREFL RST 100 I CAL VCUML VA TEST al R171 3t 4 AINL g n C84 CMODE ees me vum SOR 1 R174 SMUDE 2 a 2 AINR 9 a C85 SEL 4 4 Be ie DOR MCLK VCHMR SCLK 4 Clee 28 FSYNC gt VREFR 3 LRCK J VREFR SDATA 104 105 MN MES AK5391 10 35 10 35 e sl dn Uee OVA OVA OVA IV De 0VA 0 Mo Bass 0VA VSS NUT FITTED Allen amp Heath Kernick Industrial Estote Penryn Cornwall England TR10 9LU Tel 44 0 1326 372070 Fax 44 0 1326 363736 ISSUE SHEET 3
102. rs as they can easily be damaged The sensitivity is factory set at 10dBV or approximately 8dBu maximum gain The gain sensitivity values are shown below for different trimmer positions ei KG Anti Clockwise i Clockwise Sensitivity dBu Gain dB DH128 USER GUIDE Hardware Configuration 31 Balanced Outputs The 8 output channels are provided on balanced line level 3 pin XLR male connectors The output level 15 variable using an internal trim potentiometer 20 Bit DAC Line Out Gain Trim Setting Output Gain Each of the 8 balanced outputs has an internal gain trim potentiometer with a 12 dB gain range This allows the output sensitivity to be adjusted between domestic low level 10dBV signal levels amp professional high level 4dBu signal levels The DR128 is factory configured for 4dBu sensitivity which is suitable for connection to most professional power and distribution amplifiers mixing consoles and signal processing devices However certain equipment requiring lower signal levels such as tape recorders or mixing console inserts can be accommodated by reducing the output level down to a 10dBV nominal level The gain trimmers are located on the circuit board below the Mic Line input circuit board and are accessed by inserting a small cross headed screwdriver inserted through the holes provided in the Mic Line Input circuit boar
103. s as a stand alone system without the need to run WinDR The DR128 can be password protected from the front panel to prevent any unauthorised tampering Signal Processing capability is also expandable using optional plug in cards Main Features 8 Balanced XLR Mic Line inputs with individual 15V Phantom Power 4 Unbalanced L R mono summed RCA phono Line inputs Balanced XLR outputs opto isolated inputs for remote control RS 232 for connection to PC serial port to run WinDR Fully assignable 12 x 8 Crosspoint Matrix with level control at each point 16 Internal configuration patch memories 12 assignable front panel Function Keys 8 output protection Limiters Multiple Priority Ducker for voice and music override Auto Peak detection on all inputs and outputs Phase reverse facility on all inputs and outputs Front Panel Setup allows quick setup and trouble shooting without WinDR Password protected tamper proofing Real Time Clock for time of day date events Desktop or 2U 19 rack mount operation Mains and 24V DC operation Signal Processors Signal processing is configured using the WinDR application on the PC and provides a combination of the following e Graphic EQ 31 15 and 7 Band e Noise Gate e Parametric EQ 6 4 and 2 Band e Comptessot DH128 USER GUIDE DR128 Overview 11 Basic Principles The DR128 performs its signal processing in the digital domain by first converting the analog audio inputs to digit
104. second PE is available for installer configurable signal processing Signal Processing resources such as Parametric and Graphic EQs Gates and Compressors are provided in Resource Palettes and can only be assigned and configured using Allen amp Heath WinDR system manager software running on a PC DR128 USER GUIDE 12 DR128 Overview DSPx Expansion Option Further signal processing capability 1s made possible by fitting up to 2 DSPx Plug In Expander catds Each DSPx contains an additional 2 Processing Engines Thus up to 6 Processing Engines can be fitted in total with 5 of these available for custom configured signal processing DSPd Delay Option In addition to the 2 DSPx Expander cards an additional DSPd Delay Option card can be fitted This provides up to 0 6 seconds 600mS of signal delay on each output channel Resource Palettes The signal processing is provided in a set of Resource Palettes Each Resource Palette contains different combinations of audio signal processors such as Graphic or Parametric EC compressors and gates Each Processing Engine PE in the DR128 can be assigned a Resource Palette A basic DR128 configuration has 2 PEs the first PE is always fixed as the Matrix Processor see above so 1 of the Resource Palettes can be used If one DSPx Expander is fitted then there are 3 PEs available for 3 different Resource Palettes The options are summarised below DR128 Configuration Resource Palettes Basic
105. stomised labels for the Function Keys The labels are protected by the facia when it 15 refitted The Front Panel is attached using hex socket screws for tamper proofing 2 LCD A 2x16 character illuminated LCD allows the Matrix Processor to be configured during Setup and to provide User information during normal use 3 Control Keys AV These AV keys are used to increment decrement parameters during Setup They are also used in conjunction with the Function Keys to change levels and Patches during normal operation 4 Function Keys 12 Function Keys are provided whose function can be assigned during Setup Each key can be assigned as a Level trim Patch change or left unused 5 Status LEDs Signal Meters Each Function Key has an associated 3 colour LED indicator If the Function Key is assigned as a Volume trim the LED acts as a signal peak meter Green Red If assigned to an active Patch the LED indicates status Amber 6 Setup Keys 4 b Press and hold the Setup Key to enter Setup Mode This allows the Matrix Processor to be adjusted without connecting a PC Access to the Setup Menus can be password protected The ESC and SET keys are used in conjunction with the AV control keys to navigate and edit the Setup Menus 7 Rack Ears The rack ears can be removed for optional desktop use DR128 USER GUIDE DR128 Overview 15 S3ldLSndNI TWNOILYNYILNI NVINHYH 40 NOISIAIQ V ONILVH ONY jd Jl
106. t Dust Prevent damage to the unit and its cosmetics by avoiding drinks Smoke and spillage tobacco ash smoke and exposure to rain and Moisture condensation Protect from excessive dirt dust heat and vibration DR128 USER GUIDE 4 Introduction Installation The DR128 fits into a 2U space in a standard 19 rack system Alternately DR128 s tack ears can be removed and the unit mounted in a cabinet or plinth or simply used free standing 482 60 cease SE Ses OO 76 20 G esee aum 0 88 0 443 40 349 00 374 00 Rack mount the DR128 using two M6 bolts on each side for maximum strength These should be provided by the supplier of the rack kit The rack should allow a minimum side to side opening of 445mm Provision should be made fot removing the top cover for access to the internal configuration links and level trimmers Precaution To avoid damage to the internal assemblies do not fit screws through the sides or underside of the unit Secure to external brackets or fittings through the front panel rack mounting holes DR128 USER GUIDE Introduction 5 Connecting Mains Power Refer to the Safety Warnings on page 2 and 3 of this User Gu
107. tches The pin out of the connector is shown below view into the rear panel connector Pin 1 Switch 1 Input Pin 2 Switch 2 Input Pin 3 Switch 3 Input Pin5 lt pin Pin 4 Switch 4 Input Pin 5 Switch 5 Input NN O A ZN O W Pin 6 Switch 6 Input Pin9 Pin6 Pin 7 Switch 7 Input Pin 8 Switch 8 Input Pin 9 Common DH128 USER GUIDE 24 Using the DR128 Note that the shell of the D Type connector should be connected to the cable shield Wire up the switches so that the switch contacts will short the Switch Input line pins 1 to 8 to the Common line pin 9 Up to 1000m of shielded cable can be connected to each switch input The example below shows how 2 switches can be connected to the DR128 to control the level of an Input or Output Channel For example Remote Switch 1 would be configured as Output Level Increase on Output Channel 1 and Remote Switch 2 as Output Level Decrease on Output Channel 1 Pin 1 Switch In
108. the circuit board and heatsink assembly When all service work is complete remove all debris such as solder component legs and wire clippings from inside the unit and check your work carefully before reassembly To refit the power supply circuit assembly follow the above procedure in reverse order Make sure all harnesses are correctly aligned and plugged on Test for correct operation DH128 SERvICE MANUAL 8 Spare parts ORDERING A DR128 UNIT To order a new unit please specify the model number and AC mains voltage required MODEL DESCRIPTION ORDER CODE DR128 12 Inputs 8 outputs DR128 volts ORDERING AN OPTION To order an option please specify the model number DESCRIPTION ORDER CODE DR1 DSP expander card DRI DSPX DR1 DSPD delay expander card DRI DSPD DR1 SYSNET option DR1 SNET MANUALS SOFTWARE AND SUPPORT DOCUMENTATION DESCRIPTION ORDER CODE DR128 User Guide AP2973 DR128 Service Manual AP2974 DR128 Brochure AP2903 DR128 WinDR Disk 1 of 2 002 272 DR128 WinDR Disk 2 of 2 002 273 SERVICE TOOLS The tools required to service the DR128 range of products are standard to an electronics service workshop and are easily obtainable The following items are necessary for disassembly and service access AT0004 AT0002 1 point Crosshead screwdriver M3 4AB 2 point Crosshead screwdriver M4 6AB 5mm AF Nutdriver ORDERING AN ASSEMBLY The following assemblies for the DR128 are supplied fully tested Please quote the description and
109. ting the icons installed Click Finish to complete Setup IMPORTANT Before running the WinDR application you MUST update the DR128 DR66 s System Software to the same version using the DR128 System Update DR66 System Update utility Run the Code Update Procedure Help file in the WinDR program group for information on how to do this DH128 USER GUIDE 58 Appendix Installing WinDR from the internet Allen amp Heath WinDR System Manager software is a PC compatible Microsoft Windows 95 application It can be downloaded from the Allen amp Heath Website To install the software on a PC follow the procedure below 3 Logon to the Internet and access the Allen amp Heath website The address is http www allen heath com dul D aTrEBHTISH Eu 2 Select Products icon and scroll down to the DR128 section DH128 USER GUIDE The 18 153 repre Ge reen eerie rotor 7 Eipre beekeepers eg ee oe prhe es oe ere a AE hei Da F dm Loes mue Fase Ta Appendix 59 3 Click on here to download the latest version of the WinDR software which will also include the updated code for the DR128 unit IMPORTANT Before running the WinDR application you MUST update the DR128 DR66 s System Software to the same version using the DR128 System Update DR66 System Update utility Run the Code Update Procedure Help file in th
110. tom Power Links on Mic In PCB Phantom Power On Links fitted Line In Sensitivity Internal trimmer on 10dBV sensitivity Trimmer fully Line Out PCB clockwise Output Sensitivity Internal trimmer on 4dBu sensitivity Trimmer fully anti Line Out PCB clockwise Some of the DR128s settings are accessed internally and require the top cover to be removed by removing the screws Signal Levels When configuring signal levels it is advised to have WinDR connected to make use of the full range Input and Output meters Alternately the front panel function keys can be programmed as Input or Output levels controls the front panel LEDs will then act as signal meters Green on at 36 dBFS Red on at 6 dBFS Clipping occurs at OdBFS which 15 the maximum internal signal level in the DSP The Auto Peak feature will also warn you when an input or output signal is at 4dB below clipping DH128 USER GUIDE Hardware Configuration 27 Mic Line Inputs Pin2 3 Pin XLR Male Pluq 8 Mic Line inputs are provided with an external recessed gain trimmer and internal links for 22dB Pad and 15V Phantom Power Both Microphone and Line sources such as sub mixer outputs and processors can be plugged into the XLR inputs Power 15V PP 24 Bit ADC 22dB Pad gest The input accepts a wide 64dB range of source levels 42dB gain trim plus 22dB Pad The input is balanced to provide the best immunity to interference pickup on l
111. ve Press SET to save the settings oave setup exit SAVING PATCH 1 If you selected NO when prompted to save the patches your new settings will remain until a new Patch 1s recalled or until the DR128 turned off The settings will then be lost DH128 USER GUIDE 36 Setup Menu Menu Map e E b Items 19 Get Security Password On Off 18 New Current New Password Password Password 17 LCD Contrast Contrast 0 10 16 Clock Time HH MM SS 15 Day of Week Day 14 Remote Keys Key Number Function Param 1 Param 2 Param 3 Unused Level Control Channel Min Trim Max Trim Patch Change Patch No 13 Soft Keys Key Number Function Param 1 Param 2 Param 3 Unused Level Change Channel Min Trim Max Trim Patch Change Patch No Patch Select 12 Matrix UP Channel O P Channel Level 1 12 1 8 0 100 11 O P Level O P Channel Level 1 8 0 100 10 I P Level I P Channel Level 1 12 0 100 9 O P Phase O P Channel Phase 1 8 NORM REV 8 I P Phase Channel Phase 1 12 NORM REV Ducker UP Channel Priority Threshold Depth Release O P 1 8 1 12 1 3 OdB 60dB 1dB 60dB tdb s 100dB s On Off Limiter O P Channel Threshold Response 1 8 1dB 30dBFS Slow Med Fast 5 Name Output Output Name DR128 USER GUIDE 1 Recall Patch Setup Menu 37 This menu item 5 used to recall one of the 16 patches k k x Setu
112. y when the mains voltage falls below a certain level The DC supply should be connected to the red and black 1 4 terminal plugs on the reat panel Connect RED terminal to P d POSITIVE battery terminal 24V Connect BLACK terminal to DC y T NEGATIVE battery terminal The DC power inputs are protected by an internal fuse in the event of reverse polarity connections The fuse is a 20mm 5 Amp anti surge type Remove the unit s cover to gain access to the DC supply fuse which is located on the PSU PCB Remove all power to the DR128 when replacing the fuse DH128 USER GUIDE Introduction 7 Earthing The connection to mains earth ground in an audio system is important for two reasons 1 Safety To protect the operator from a high voltage shock associated with the AC mains supply feeding the system 2 Audio Performance To minimise the effects of ground loops which result in audible hum and buzz and to shield the audio signals from interference For safety it is important that all equipment earths are connected to mains earth so that exposed metal parts are prevented from carrying high voltage which can injure ot even kill the operator It is recommended that the installation engineer check the continuity of the safety earth from all points in the system including microphone bodies cables and equipment panels The same earth is also used to shi

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