Mackie 56-input Wartungshandbuch

©1999 Mackie Designs Inc.#820-182-00DIGITAL 8•BUSSERVICE MANUAL56 input, fully-automated digital mixing console.™This file contains all 110 pages of 8

10ADCCODEC BOARD -113x13 x12DSPLATCHWOOP-DEEx6DSP BOARD -114x24UARTEPROMADSP-2181CPU-DSPDSPCHIPSELECTDR1DR0 DT0DT1TO PC COM-2IAD0-IAD15A0-A13D8-D23DAC

C-17CONNECTORSCONNECTORSC108J47J48J21J24J42J25J13J12J1DSP 114J25

C-18CONNECTORSCONNECTORSJ35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J26J27

C-19CONNECTORSCONNECTORSJ29LINE/MASTERMETER 109J28J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J28

C-20CONNECTORSCONNECTORSJ29MIC/LINEMETER108J29LINE/MASTERMETER 109J28J29

C-21CONNECTORSCONNECTORSBACKPLANE 163DIGITAL I/O CARD 115J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J30

C-22CONNECTORSCONNECTORSJ10J11 J9J60J8J31DCA 112J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136BACKPLANE163J50J51 J14 J30J15J23 J22 J20 J19 J18J

C-23CONNECTORSCONNECTORSJ35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J34

C-24CONNECTORSCONNECTORSJ35OUTPUT CONTROL SURFACE122J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J35

C-25CONNECTORSCONNECTORSJ60J6J36J3LINE CONTROL SURFACE121J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J36

C-26CONNECTORSCONNECTORSJ37J5J7J4MIC CONTROL SURFACE120J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J37

11UI SYSTEMA simplified block diagram of the User Interface system is shown on the next page. Likethe DSP system, an Analog Devices ADSP-2181, is use

C-27CONNECTORSCONNECTORSJ398X FADER124J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136MGND=MOTOR GROUNDoriginating all the way back from the Remo

C-28CONNECTORSCONNECTORSJ35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136J409X FADER125MGND=MOTOR GROUNDoriginating all the way back fromthe Remot

C-29CONNECTORSCONNECTORSJ41J43J50 J41J42POWER111J35 J36 J40 J39 J37 J38J31J32J28J27J41J26J34BRAIN 136

C-30CONNECTORSCONNECTORSJ43J50 J41J42POWER111J47J48J21J24J42J25J13J12J1DSP 114J4J7J5J43J6J10 J9 J2 J1ANALOG I/O 110J43J50 J41J42POWER111J42J43

C-31CONNECTORSCONNECTORSJ47J47BACKPLANE 163J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J47J48J21J24J42J25J13J12J1DSP 114J48 J48J47 and J

C-32CONNECTORSCONNECTORSJ43J50 J41J42POWER111BACKPLANE 163J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J50

C-33CONNECTORSCONNECTORSBACKPLANE163J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J51

C-34CONNECTORSCONNECTORSJ10J11 J9J60J8J31DCA 112J60J6J36J3LINE CONTROL SURFACE121J60

12FADER BOARDS -125 -125LATCHSI/O BUFFERSBRAIN BOARD -136LATCHESI/O BUFFERSCLOCKSYSTEMFXDSPPIC PICPICPICEFFECTS CARDAES/EBU CARD -115 TAPE I/O CARD -1

13ANALOG SYSTEMSThe analog circuits used in the d8b should be familiar to anyone with experienceservicing Mackie products. The 12 Mic Pre’s are the sa

14DSP SIGNAL FLOWDSP SIGNAL FLOWThe DSP board is the central hub of the signal flow system, the digital signals must find their way to theDSP board, g

15DSP SIGNAL FLOWINPUT ADC SIG CABLE DSP JUXT SIG NAME(DSP) CABLE SIG NAME DAC OUTPUTLINE 13+14 CODEC U3 DR1 J13-3 DR0_U1 DT0_U1 U46 (DT0_U2) DT_1 J13

16DSP SIGNAL FLOWJ12Digital data toand from CODECDigital data toand from CODECTo and fromBACKPLANE(Clock, Effectsand Digital I/O data)To and fromBACKP

17DSP SIGNAL FLOWCODEC BOARDU52U152U252U352BUS-2 DT1BUS-1IC Connector/pinConnector/pinDTfrom DSPAnalogOUTAnalogINAnalogINAnalogOUTBUS-4 DT2BUS-3BUS-6

18DSP SIGNAL FLOWJ11Analog signalsgoing outto DCAJ13Digital signalsDT=from DSPDR=to DSPJ12J1Analog signalscoming in fromAnalog I/OJ2Analog signalsgoin

19DSP SIGNAL FLOWJ10J11 J9J60J8J31DCA 112J10Analog signalsgoing out toAnalog I/OJ31To BrainJ8Analog signals,going to rear panel8 BUS OUTJ11Analog sign

2 CAUTION AVIS RISK OF ELECTRIC SHOCKDO NOT OPENRISQUE DE CHOC ELECTRIQUENE PAS OUVRIRCAUTION: TO REDUCE THE RISK OFELECTRIC SHOCK DO NOT REMOVETHE C

20DSP SIGNAL FLOWTAPE CARDSDR48_IN_HOTDIGITALNAMEANALOGINPUT8 GNDDR47_IN_COLDDR36_IN_HOT1_IN_COLD DR12 GND2_IN_HOT DR13_IN_COLD DR24 GND4_IN_COLD DR25

21DSP SIGNAL FLOWDT4DT3DT2DT1DT4DT3DT2DT123 AND 2421 AND 2219 AND 2017 AND 1815 AND 1613 AND 1411 AND 129 AND 107 AND 85 AND 63 AND 41 AND 2J20-7,56J2

22DSP SIGNAL FLOWFX1FX1FX2FX2FX3FX3FX4FX4FX1FX1FX2FX2J51-5,58J51-10,53J16-5,58J16-10,53J14-5,58J14-10,53J17-5,58J17-10,53J51-11,52J51-12,51J16-11,52J1

23DSP SIGNAL FLOWJ22-1,62J22-3,60J22-5,58J22-7,56J22-2,61J22-4,59J22-6,57J22-8,55J48-19J48-23J48-27J48-31J48-21J48-25J48-29J48-33DT1_U9BACKPLANETO DSP

24SIGNAL BACKPLANE BACKPLANE DESTINATIONNAME CONNECTION OUTPUTD_LRCLK J23, PINS 1+62 J21, PIN 1 TO DSP BOARDD_SCLK J23, PINS 2+61 J21, PIN 3 TO DSP BO

25L/R CLKDATASCLKMCLKMSBLSBThe clocksThe diagram below shows the relationship between the various clock signals generated by the clockcard.Mackie Seri

26MUTE and UNMUTEOn the clock card, there is an important Mute/Unmute circuit. It could have been fitted to any board,but it just so happens it was pl

27SYSTEMPOWERONPOWEROFFRESET< System Boots DSP >UNMUTEMUTETIMEAs the console powers up, the D/A converters are muted on the CODEC board

A-1QUICK PARTSQUICK PARTS1125TRIMMIC060-20dB +40dBLINEASSIGNWRITEMICREC/RDYSELECTMUTESOLOLens760-064-00Channels 1 to 12 (120 board)Ch. 12 to 24 (121 b

A-2QUICK PARTS1-24 1-48MASTERAUX 7AUX 8AUX 5AUX 6AUX 1AUX 3AUX 2AUX 4PANSOLOSHIFTMASTERSLEVEL TO TAPEDIGITAL TRIMAUX 9-10AUX 11-12PA NPA N1-2425-4849-

3Additional Safety InformationMackie Designs’ Digital 8•Bus has been tested and conforms to the following standardsand directives of the European Coun

A-3QUICK PARTSSTUDIO/SOLOTALKBACK TOSTUDIOAFL SOLOPFL SOLOMIXDOWN SOLOLEVEL2 TRACK ADIGITAL IN 12 TRACK B DIGITAL IN 22 TRACK CMASTERL-RPASTEUNDOCUT/Z

A-4QUICK PARTSCONTROL ROOMCOPY MIX TO CUEAUX 9-10AUX 11-12SOLO LEVELSTUDIO LEVELCLEAR SOLOTALKBACK LEVELCONTROL ROOMCOPY MIX TO CUEAUX 9-10AUX 11-12LE

A-5QUICK PARTSSMPTE VIEWSET TIME2345716890ENTERSTORELOCATORLOOPSNAPSHOTBARS BEATS LOOPTICKSJOG & SHUTTLEJOGREWINDFAST FWDSTOPPLAYRECORD7-Segment D

A-5QUICK PARTSSMPTE VIEWSET TIME2345716890ENTERSTORELOCATORLOOPSNAPSHOTBARS BEATS LOOPTICKSJOG & SHUTTLEJOGREWINDFAST FWDSTOPPLAYRECORD7-Segment D

A-6QUICK PARTSONLOWPREVIOUSSELECTLOW MID HI MIDEQCOMPRESSORGATEPLUG-INSLOAD PATCHSAVE PATCHSETUPMEMORY AMEMORY BHI NEXTSELECT SELECTSELECT HELPSmall B

A-7QUICK PARTSAUX1+48VPHLINE ININSERTTALKBACKPHONES 21913PUNCH I/OPHONES 12014211522162 TRACK IN A23172418MASTER OUT1MIC2 TRACK IN BSTUDIO OUT2 TRACK

A-8QUICK PARTSDSUB assembly = 040-282-00DSUB assembly = 040-276-00Bracket = 550-356-00Switch = 500-040-00DC power supply cableMIDI cardEthernet card =

A-9PARTSParts Numbering guide040- Cables055- Finished PCB Assy100- Pots and resistors200- Capacitors300- Semiconductors400- Jacks/Connectors500- Switc

A-10PARTS090-071-00 DIGITAL 8 BUS CONSOLE REV A1ITEM PART NO. DESCRIPTION REV QTY1 040-138-00 CBL 3P 22GA .098CL 17IN A 12 040-141-00 RIB 28GA 26C 8I

A-11PARTSITEM PART NO. DESCRIPTION REV QTY55 550-278-00 FAB STIFFENER - D8 2 156 550-279-00 FAB SHIELD METER - D8 2 157 550-280-00 FAB SHIELD DSP - D8

4CONTENTSINTRODUCTION ... 5TECHNICAL SUPPORT ...

A-12PARTS090-096-XX REV C, REMOTE CPU AND POWER SUPPLYITEM PART NO. DESCRIPTION REV QTY090-096-00 REMOTE PWR SPLY 120V D8 C 1090-096-01 REMOTE PWR SP

A-13PARTSITEM PART NO. DESCRIPTION REV QTY52 740-007-01 GROMMET STRIP MEDIUM A AR68 740-023-00 FLT CBL CLMP NYL LOCK 40C A 1760-128-00 DUST COVER 25

A-14PARTS055-108-00 REV A, MIC METER BOARDPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS140-064-00 RESISTOR TF SMT 430 5% R101-124 R201-224 R301-324

A-15PARTS055-110-00 REV A, ANALOG I/OPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS110-001-00 RESISTOR CF 10 5% R101-102 R201-202 R301-302 R401-402R

A-16PARTS055-110-00 REV A, ANALOG I/O continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS302-015-02 ZTVS DIODE, BI-DIRECTIONAL SA12CA D101-102 D

A-17PARTS055-112-00 REV C, DCA CARDPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORSE1-4140-025-00 RESISTOR CF 10 5% R119 R187 R194 R203 R207 R211 R217

A-18PARTS055-112-00 REV C continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS212-025-00 CAPACITOR CERAMIC SMT X7R .1UF 10% C10-11 C15-18 C25 C27

A-19PARTS055-113-00 REV B, CODEC CARDPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS040-315-00 DIS ASSY 18GA UL1010 BLK 3 J100TM/LUG140-009-00 RESIST

A-20PARTS055-113-00 REV B continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS145-389-00 RESISTOR MF SMT 10K0 1% R1-2 R4-5 R17-20 R23 R26 R74 R76

A-21PARTS055-113-00 REV B continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS212-031-00 CAPACITOR CERAMIC SMT 68pF 5% C57-58 C61-62 C157-158 C16

5INTRODUCTIONThis manual contains service information for the d8b digital audio mixer. To service thed8b, technicians should be familiar with op-amp b

A-22PARTS055-114-00 REV C, DSP CARDPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORSE1-2140-025-00 RESISTOR TF SMT 10 5% R3 R5 R9 R12 R27-32 R34 R43-58

A-23PARTS055-114-00 REV C continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS325-043-03 OCTAL 3-STATE NONINVERTING 74AC241A U46 U86 U89 U92 U95

A-24PARTS055-115-00 REV E, DIGITAL I/OPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS080-066-00 PIC PRGMD 115PCB D8 U3140-025-00 RESISTOR TF SMT 10 5

A-25PARTS055-119-00 REV B, TAPE I/OPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORSJ1 J2080-067-00 PIC PRGMD 119PCB D8 PIC16C54S U4140-009-00 RESISTOR

A-26PARTS055-119-00 REV B, TAPE I/O continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS325-053-03 IC,SMD,SCH TRIG HEX INV. 74AC14 U5329-045-03 D

A-27PARTS055-120-00 REV A, MIC/LINE CONTROL SURFACEPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS130-045-00 POT 12MM ENDLESS ROT 50K R1301 R1401 R15

A-28PARTS055-120-00 REV A continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS145-361-00 RESISTOR MF SMT 5K11 1% R118 R121-123 R218 R221-223 R318

A-29PARTS055-120-00 REV A continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS304-054-02 LED, T1, W/TIEBAR T&R SUPER RED D1301 D1307 D1401 D1

A-30PARTS055-120-00 REV A continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS601-004-00 FERRITE BEAD SMB MLB40-5 FB102-103 FB202-203 FB302-303FB

A-31PARTS055-121-00 REV A, LINE CONTROL SURFACEPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS130-045-00 POT 12MM ENDLESS ROT 50KG R1301 R1401 R1501

6OVERVIEWThe ‘Digital’ functions of the d8b can be broken down into 3 main systems; Computer,DSP, and User Interface. The computer is a Pentium syste

A-32PARTS055-121-00 REV A continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS145-435-00 RESISTOR MF SMT 30K1 1% R115 R117 R215 R217 R315 R317 R4

A-33PARTS055-121-00 REV A continuedPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS320-012-00 IC LINEAR SMD NJM4560M U1 U9 U101 U201 U301 U401 U501 U6

A-34PARTS055-122-00 REV A, OUTPUT CONTROL SURFACEPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORSE1 E3-5130-045-00 POT 12MM ENDLESS ROT 50KG R1-8140-0

A-35PARTS055-123-00 REV E, LINEAR POWER SUPPLY(THIS BOARD IS INSIDE THE REMOTE CPU)PART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS100-104-00 RESISTOR

A-36PARTS055-124-00 REV A, 8-WAY FADERPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORSE1130-047-00 FADER, 100MM MOTORIZED 10KB R1 R101 R201 R301 R401

A-37PARTS055-125-00 REV A, 9-WAY FADERPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORSE1130-047-00 FADER, 100MM MOTORIZED 10KB R1 R101 R201 R301 R401

A-38PARTS055-136-00 REV A, BRAIN BOARDPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS080-057-00 Programed Eprom U38 ZU38140-042-00 RESISTOR TF SMT 51

A-39PARTS055-164-00 REV C, CLOCK CARDPART NO. DESCRIPTION VALUE REFERENCE DESIGNATORS140-009-00 RES TF SM .1W 5% 2.2 OHM 2.2 5% R51-56140-025-00 RESIS

A-40PARTSFINAL ASSEMBLY PARTS LISTFOR CE MODELSPART# DESCRIPTION PAGES090-123-00 D8B CONSOLE CE 41-42090-126-00 D8B REMOTE CPU 43-45LATEST PARTS LISTS

A-41PARTS090-123-00 DIGITAL 8 BUS CONSOLE CE REV A9PART NO. DESCRIPTION REV QTY090-123-00 DIGITAL 8 CONSOLE CE A9 A3 1040-138-00 CBL 3P 22GA .098CL 1

7COMPUTER SYSTEMHARDWAREThe computer system within the Remote CPU chassis consists of the following hardware;• Computer motherboard• Computer micropro

A-42PARTS090-123-00 CE console, continuedPART NO. DESCRIPTION REV QTY550-273-00 FAB SUB CHASSIS - D8 A 1550-278-00 FAB STIFFENER - D8 A 1550-279-00

A-43PARTS090-126-xx REV 12, REMOTE CPU & POWER SUPPLY-CEPART NO. DESCRIPTION REV QTY090-126-00 D8 PWR SPLY 120V CE 12 A2 1 Pre- Nov 99 models090-1

A-44PARTSMotherboard Changes (see parts list on page A-46)From November 1999, the Remote Power Supply and CPU unit have a new motherboard, Celeron pro

A-45PARTSThe rear panel looks like this, for those units with the new motherboard

A-46PARTS090-126-00 REV 16, REMOTE CPU & POWER SUPPLY-CEPART NO. DESCRIPTION REV QTY090-126-00 D8 PWR SPLY 120V CE 16 A3 1 After Nov ‘99040-139-00

A-47PARTS080-036-00 Rev A1 Linear supply subassemblyPART NO. DESCRIPTION REV QTY040-284-00 DIS 18GA BRN/BLU .156 7.5 E 1040-285-00 DIS 26GA 2C 2MM/.1

A-48PARTS090-123-00 DIGITAL 8 BUS CONSOLE CE REV A3PART NO. DESCRIPTION REV QTY090-123-00 DIGITAL 8 CONSOLE CE A A3 1040-138-00 CBL 3P 22GA .098CL 17

A-49PARTSPART NO. DESCRIPTION REV QTY550-273-00 FAB SUB CHASSIS - D8 A 1550-278-00 FAB STIFFENER - D8 A 1550-279-00 FAB SHIELD METER - D8 B 1550-28

A-50PARTSPART NO. DESCRIPTION REV QTY090-126-00 D8 PWR SPLY 120V CE 21 A4 1040-139-00 RIB 28GA 34C 23IN PLZD B 1040-140-00 RIB 28GA 40C 19IN PLZD B

B-1CHIPSCHIPS055-108-00 REV A, MIC METER BOARD325-012-03 IC, 8 BIT SHIFT REGISTERS 74HC595 U101-103 U201-203 U301-303 U401-403WITH OUTPUT LATCHES SMD

8CMOS SETUPIf you encounter “System Error 43,” Check the following CMOS setup which you can reachduring bootup by pressing Del (or F1 depending on the

B-2CHIPSCHIPS055-119-00 REV B, TAPE I/O080-067-00 PIC PRGMD 119PCB D8 PIC16C54S U4311-005-00 X-SISTOR NPN SMD IMBTA06 Q1315-015-00 CRYSTAL, SMD 20MHZ

B-3CHIPSCHIPS055-120-00 REV A, MIC/LINE CONTROL SURFACE304-036-00 LED , TOWER 2MM RED D1308 D1408 D1508 D1608 D1708 D1808320-006-00 I.C. LINEAR SMD NJ

B-4CHIPSCHIPS055-123-00 REV E, LINEAR POWER SUPPLY321-008-00 I.C. ADJ POS 3 TERM LM317T U2VOLTAGE REGULATOR321-009-00 I.C. ADJ NEG 3 TERM LM337T U1VOL

B-5CHIPSCHIPS055-164-00 REV C, CLOCK CARD080-068-00 Programmed EPROM PIC U5315-012-00 OSCILLATOR 22.5792 MHZ Y1315-014-00 OSCILLATOR 24.576 MHZ Y2315-

C-1CONNECTORSCONNECTORSConnectorsThis table shows each connector and the boards they connect to. Note that the connectors on eachboard are joined to t

C-2CONNECTORSCONNECTORSJ1495151020162421J1This is J1 on the power distribution board, not to be confused with the other J1 shown opposite, or J1 onthe

C-3CONNECTORSCONNECTORSJ4J7J5J43J6J10 J9 J2 J1ANALOG I/O 110J2J1J11 J3J15J12J2 J1J13CODEC 113J1 and J2C129J47J48J21J24J42J25J13J12J1DSP 114J1 on DSP (

C-4CONNECTORSCONNECTORSJ60J6J36J3LINE CONTROL SURFACE121J11 J3J15J12J2 J1J13CODEC 113J3

C-5CONNECTORSCONNECTORSJ4-1J4-2J4-3J4-4J4-5J4-6J4-7J4-8J4-9J4-10J4-11J4-12J4-13J4-14J4-15J4-16J4-17J4-18J4-19J4-20MIC1 PIN2MIC1 PIN3LINE1 TIPLINE1 RIN

C-6CONNECTORSCONNECTORSJ6-1+16V-16VJ6-2J6-3J6-4J6-5J6-6J6-7J6-8J6-9J6-10J6-11J6-12J6-13J6-14J6-15J6-16J6-17J6-18J6-19J6-20LINE13 TIPLINE14 TIPLINE15 T

9DSP SYSTEMA simplified block diagram of the DSP system is shown on the next page. At the heart ofthe system is an Analog Devices ADSP-2181. It acts

C-7CONNECTORSCONNECTORSJ10J11 J9J60J8J31DCA 112DB25 connectorto outside worldNOTE this is the correctbuss pinout.NOTE although the busses are labeled

C-8CONNECTORSCONNECTORSJ4J7J5J43J6J10 J9 J2 J1ANALOG I/O 110J10J11 J9J60J8J31DCA 112J10

C-9CONNECTORSCONNECTORSJ10J11 J9J60J8J31DCA 112J11 J3J15J12J2 J1J13CODEC 113J11NOTE although the busses are labeled like this onall schematics, they a

C-10CONNECTORSCONNECTORSJ12Codec sideJ11 J3J15J12J2 J1J13CODEC 113J47J48J21J24J42J25J13J12J1DSP 114J13dsp sideJ12 and J13

C-11CONNECTORSCONNECTORSBACKPLANE 163J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J11 J3J15J12J2 J1J13CODEC 113J15

C-12CONNECTORSCONNECTORSJ14, J16 and J17 (on Backplane)

C-13CONNECTORSCONNECTORSBACKPLANE 163TAPE I/O CARD 119J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J18, J19, J20

C-14CONNECTORSCONNECTORSBACKPLANE163J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J47J48J21J24J42J25J13J12J1DSP 114J21J24J21 and J24

C-15CONNECTORSCONNECTORSBACKPLANE163J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J22

C-16CONNECTORSCONNECTORSBACKPLANE163CLOCK CARD164J50J51 J14 J30J15J23 J22 J20 J19 J18J47J48J21J32J24J16 J17J23