Millennia Media AD-D96 Analogue To Digital Converter installtion guide

Millennia

Music & Media Systems

Field Installation Kit for HV3D ADD-96 Conversion

060209

Parts needed

• ADD-96 circuit board w/ six mounting screws

• Clock/Rate/LED back panel assembly w/ two mounting jackscrews and nuts

• Clock in/out assembly w/eight mounting screws and nuts

• HV3D to ADD-96 cable assembly

• Power supply chassis assembly

• Power supply cable

• HV3D card jumpers (2 per card)

• Rear panel stick-on labels

Assembly Instructions

Large pictures are at the end of the instructions.

1. Modifying the chassis.

• Be sure power is disconnected from unit.

• Remove 12 (twelve) top cover screws and top cover. Put in safe place.

• If the chassis doesn’t have cutouts for

DB25s, go to appendix.

• Remove the two middle block-off plates from the rear panel of the chassis.

• Mount DB25 to header connector in the opening closest to the power supply on the chassis.

• Mount the switch assembly/DB25 blank in the hole next to the DB25 connector just installed. Mount with switches away from the power supply side and the LED towards the power supply.

• Mount the BNC cable assembly into the remaining space on the chassis, far right, when looking at the chassis from the rear with the BNC connectors close to the switch assembly.

• Apply labels for added switches and connectors.

• See picture.

Figure 1

2. Changing the power supply.

• Be sure power is disconnected from unit.

• Remove 4 (four )power supply cover screws and put power supply cover in a safe place.

• Unplug power supply cable assembly from the power supply board and from all preamp cards and set aside. Note orientation of Molex connectors for reassembly.

• Unplug front panel LED connector from power supply board. Note orientation for reassembly.

• Unplug four connectors at the power switch.

Note orientation for reassembly. Remove six screws holding the power supply chassis to the main chassis from the bottom of the unit.

Remove the existing power supply assembly from the HV3D unit.

• See picture.

Figure 2

• Place new power supply assembly in chassis.

• Mount chassis with six screws removed earlier. (Bottom of unit).

• BE SURE input power module is set to correct voltage for your location. Next to the power cord socket is a window that displays the current setting.

• Plug switch harness into front panel power switch. Brown wires are on top

• See picture.

• Plug front panel LED connector into power supply board.

Figure 3

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4600 Missouri Flat Road

(530) 647-0750

Placerville, CA 95667

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3. Mounting the ADD-96 board assembly.

• Mount ADD-96 assembly to chassis using six

6/32 by 3/16”pan head screws.

• Connect switch assemblies to ADD-96 board.

• 44.1K/48K switch assembly to SW1 3 pin header.

• X1/X2 switch assembly to SW3 three-pin header. This is the switch in the middle of the switch/LED assembly.

• Note that the SW1 and SW3 connections are dependent on the orientation of the connector.

Tracing the wires from the connector up to the switch will help in connecting the correct way.

Monitor the clock or AES data output and be sure the switches make the correct changes in frequency while the unit is in internal clock mode. If not, rotate connector 180 o

• Plug DB25 assembly to header J10.

• Clock out BNC to J16. This is the BNC connector closest to the LED.

• Clock in BNC to J13.

• Plug in Molex power supply cable assembly.

Start with the power connector for pre amp card number one. Continue for the remaining seven pre amp cards, then the power supply circuit board and lastly the power connector for the ADD-96 card, connector J10. See picture.

Figure 6

4. Modifying the HV3 pre amp cards.

• Remove the front panel from the unit using a

3/16” Allen wrench. Remove the center screw from the center of the front panel on the inside of the chassis. Put the front panel in a safe place.

• Remove the power supply harness from each pre amp card if not already removed.

• The input and output signal cables can remain connected during this modification.

• Remove each of the pre amp cards by removing the knob using a 1/16” (if there are two set screws) or 5/64” (if there is only one set screw)

Allen wrench, removing one screw going through the front panel of the chassis, and two screws on the bottom of the chassis per card.

• Lift out the pre amp card to get access to the lower right corner of the card.

• Remove R53 and R54 from each pre amp card.

Replace with solid wire jumpers. R53/R54 are located on the lower right area of the pre amp card, next to the J5 connector

Figure 5 Figure 4


Figure 7


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5. Connecting the pre amp cards to the

AD-D96.

• Note the colors of the wires at the Molex plugs. The wire in the center position is the

+ signal. This + signal goes to J5 pin 2 on each pre amp card. J5 pin 2 is the pad that connects to the end of the jumper in the

R54 position. Connect the other

–signal wire to J5 pin 1. Pin 1 is usually the square pad and connects to the jumper in the R53 position on each pre amp card.

• Solder the two wires to each pre amp card.

Note the color coding, and which hole in J5 of the pre amp card each color is soldered to. Route wires to left side of the ADD-96 card as viewed from the front of the unit.

Wires should sit between the back of the pre amp cards and the side of the ADD-96 card facing the front of the unit.

• See picture for wire Routing.


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6. Post Modification Testing

• Double check all connections, etc. before continuing.

• Plug in unit to suitable mains power.

• Plug AES snake into DB25 connector on back of unit.

• Connect inputs as usual.

• Plug AES outputs into next piece of gear in the recording chain.

• Plug in external clock, if used. If external clock is used, set jumper SW2 on the ADD-96 circuit board for ‘EXT’.

SW2 is located next to the two three pin Molex connectors that connect to the clock BNC connectors on the rear panel.

• Be sure to set switches on back of unit to desired mode if using internal clock.

• Power up the unit.

• If using EXT clock, the lock LED on the rear panel should be lit provided that a suitable clock is connected. You can use either AES or Word clock for external sync. Be sure to set the inside jumpers for the type of clock that is to be connected.

• J12 selects between word clock and

AES clock.

• The unit is ready for operation.

Appendix

• Older chassis need to be modified to accommodate the AD-D96 kit.

• Using a metal nibbling tool*, carefully cut the metal in between the option

XLR holes on channels 5 through 8

(three places).

• CAUTION the edges will be sharp

• The cut should be 1/16” away from the screw holes.

Figure 8

*Nibbling tools can be ordered from Millennia.

They are approximately $20 USD



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Rear Panel showing DB25s and

Switches installed and labeled


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Six screws holding power supply



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Brown wires on top, blue on bottom


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Plug in Molex power cable assembly


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Apply labels


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Remove R53/R54


Replace R53/R54 with jumpers 1


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Wire routing



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Cut out metal between holes 5 and 8



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Millennia Media AD-D96 Analogue To Digital Converter installtion guide

Millennia

Music & Media Systems

Field Installation Kit for HV3D ADD-96 Conversion

Parts needed

Assembly Instructions

6. Post Modification Testing

Appendix

Rear Panel showing DB25s and

Switches installed and labeled

Six screws holding power supply

Brown wires on top, blue on bottom

Plug in Molex power cable assembly

Apply labels

Remove R53/R54

Replace R53/R54 with jumpers 1

Wire routing

Cut out metal between holes 5 and 8

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