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Mackie MDR 24/96 Service Manual

Manual is about: 24 Track/24 BIT, Digital Audio Hard Disk Recorder and Editor

Summary of MDR 24/96

  • Page 1

    Hdr 24/96 hard disk recorder service manual 2001 mackie designs, inc. Service bulletins.

  • Page 2

    2 service on this equipment is to be performed by experienced repair technicians only.

  • Page 3

    3 additional safety information the following notice concerns the lithium battery located on the motherboard inside the hdr 24/96 chassis. Warning service on the hdr 24/96 must only be undertaken by experienced service technicians. ! Smd ! The hdr 24/96 makes extensive use of surface mount component...

  • Page 4: Contents

    4 contents safety ............................................................................. 2, 3 introduction ...................................................................... 5 ribbon cables .................................................................. 6 connectors ......................

  • Page 5

    5 introduction this manual contains service information for the hdr 24/96 hard disk recorder. To service the hdr 24/96, technicians should be familiar with op-amp based and discrete analog circuitry, digital troubleshooting, microprocessors, digital audio, dsp, esd, esp, and the operation/applicatio...

  • Page 6

    6 ribbon cables part# description rev qty 040-383-00 rib 28ga 10c 14.0 plzd a 1 040-384-00 rib 28ga 26c 4in plzd b 1 040-385-00 rib 28g trans 34c 18.5in b 1 040-386-00 rib 28g 26c .100 14.50in b 1 040-387-00 rib 28ga 14c 16.0 plzd a 1 040-390-00 rib 28ga 10c 7.00 plzd b 2 040-393-00 cbl asy 22g 4c/6...

  • Page 7

    7.

  • Page 8

    8 this table shows each connector and the boards they connect to. The following pages show each connector in detail, including the labeling and designation on each pin of the connectors. J # pins from to description cable page j2 ..... 26 ..... Front panel .......... J2 brain board ....................

  • Page 9

    9 front panel connector this connects to j2 of the brain board, see page 13.

  • Page 10

    10 backplane connectors this connects to j1 of the brain board, see page 13 this connects to j3 of the acuma board, see page 17 this connects to j4 of the acuma board, see page 17 power from j2 of poststamp board, see page 16.

  • Page 11

    11 backplane connectors.

  • Page 12

    12 brain board connectors this connects to j5 of the remote board, see page 15 this connects to the vfd this connects to power supply.

  • Page 13

    13 brain board connectors this connects to j1 of the backplane board, see page 10 this connects to j2 of the front panel board, see page 9.

  • Page 14

    14 remote board connectors this connects to serial 2 of the motherboard this connects to serial 1 of the motherboard.

  • Page 15

    15 remote board connectors j6 connects to the mouseport of the motherboard j5 connects to j5 of the brain board, see page 12.

  • Page 16

    16 post stamp board connectors this connects to power supply this connects to j2 of the backplane board, see page 10

  • Page 17

    17 acuma board connectors this connects to j3 of the backplane, see page 10 this connects to j4 of the motherboard, see page 10

  • Page 18

    18 acuma board connectors smpte (trs 1/4”) clk in (bnc) clk out (bnc).

  • Page 19

    19 pci connector acuma board connectors.

  • Page 20

    20 acuma board notes the acuma board is used to transfer audio from the converter card cage to the pc via the pci bus. It is also where the smpte and word clock connection comes into the pc. Physically, it is a card which fits into the pci bus of the pc, and connects via 2 ribbon cables to the card ...

  • Page 21

    21 there is a self-test for the small remote which will help you verify that it is working correctly. Follow the steps below to enter the self-test mode: 1. Connect the small remote to the back of the hdr24/96. 2. Put a floppy in the hdr to keep it from booting up (so it will provide power for the s...

  • Page 22

    22 bios settings: standard cmos setup: date (mm:dd:yy) : current date time (hh:mm:ss) : current time hard disks: type: size: cyls: head: precomp: landz: sector: mode: primarymaster auto 0 0 0 0 0 0 auto primary slave none 0 0 0 0 0 0 ——— sec master auto 0 0 0 0 0 0 auto sec slave none 0 0 0 0 0 0 ——...

  • Page 23

    23 chipset features setup: sdram ras-to-cas delay : 3 sdram ras precharge time : 3 sdram cas latency time : 3 sdram precharge control : disabled dram data integrity mode : non-ecc system bios cacheable : disabled video bios cacheable : disabled video ram cacheable : disabled 8 bit i/o recovery time ...

  • Page 24

    24 pci/pnp configuration: resources controlled by : manual reset configuration data : disabled assign irq for vga : disabled assign irq for usb : disabled pci slot 1 use irq : auto pci slot 2 use irq : auto pci slot 3 use irq : auto pci slot 4 use irq : auto used mem base address: n/a irq-3 assigned...

  • Page 25

    25 motherboard layout jp1 jp2 jp6 jumper pins 1 and 2 jumper pins 1 and 2 jumper pins 2 and 3 no jumper no jumper set sw1: 1=off 2=on 3=off 4=on j14 wake-on lan 1 2 6 5 j13 sb- link sw 1 1 o n 2 3 4 com2 com1 printer platx1:atx power jp1 j2 ps/2 mouse j5 jp3 jp4 jp5 i/o chip bios fdd dimm 3 dimm 2 d...

  • Page 26

    26 quick parts 551-087-00 rack ears 550-314-00 top cover 760-159-01 power switch bezel 480-041-00 drive frame 480-029-00 floppy drive 550-318-00 screened front panel 750-001-0 bumpon feet 055-178-00-01 front panel pcb assembly 640-001-00 linecord 120vac 760-175-02 transport button bezel 780-047-00 l...

  • Page 27

    27 304-035-00 7 segment display 304-081-02 led red, error, tc, clock 304-082-02 led green, 6-bit, 24-bit, 44.1k, 48k, 96k, vari 304-093-02 led red, tower 304-001-00 led red, record 304-003-00 led yellow, ff, stop, rw 304-004-00 led green, play 304-081-02 led red channel leds (x24) 304-001-00 led red...

  • Page 28

    Hdr 24/96 eprom replacement, sse jan 2001 hdr eprom.Pdf, page 1 of 2 hdr 24/96 eprom replacement models affected: if you are working on an hdr 24/96 hard disk recorder before serial number cd11218, please update the eprom to revision 1.2 or higher. Changing the eprom may be one fix for the "system e...

  • Page 29

    The mackie fixer • mackie designs service news hdr 24/96 eprom replacement, sse jan 2001 hdr eprom.Pdf, page 2 of 2 procedure continued: 6. Remove the four side screws and two bottom screws securing the internal hard drive assembly to the chassis. This gives a little bit more access to the brain boa...

  • Page 30

    Hdr 24/96 hard disk recorder bulletin: hdr 1st april 2001 models affected: hdr 24/96 add this as part of your normal repair procedures. Symptom: hdr 24/96 does not power up, and yet it tastes surprisingly good. Possible cause: due to a mix up in documentation, some hdr 24/96 hard disk recorders were...