Amx DAS-AMFM User Manual download pdf (Page 2)

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93-1110-02 REV: F

Removing the Pre-Installed DAS-AMFM Tuner Module

Mi Series Audio Controllers include one DAS-AMFM Tuner Module as a standard

accessory. Since each tuner module uses one source input on the audio controller, in some

cases it may be desirable to remove the tuner module in order to use that source input for

other purposes.

1. Remove the cover from the controller.

2. Carefully remove the ribbon cable from the tuner module.

3. Remove the screws from the Tuner module cover plate at the right top corner of the

rear panel and slide the tuner module out of the chassis.

4. Place all jumpers in the “Off” position (FIG. 9).

5. Replace the unit cover.

Installing a Second DAS-AMFM Tuner Module

The following steps describe installing a second DAS-AMFM tuner module into Slot 1 (in

addition to the DAS-AMFM module that comes pre-installed in Slot 2). In these instructions,

the second tuner is referred to as “Tuner 2”.

1. Remove the cover from the controller.

2. With the back of the unit facing you, remove the screws from the Tuner Option cover

plate at the right top corner of the rear panel (FIG. 10) and remove the plate. Retain

the screws, as they will be used to install the tuner module.

3. Carefully insert the second DAS-AMFM tuner module into Slot 1, with the electronics

facing up, and use the screws that attached the Tuner Option cover plate to secure

the tuner to the controller.

Note: Be careful not to damage the ribbon cable on the top of the Tuner module.

4. Place the Rear Panel connector at the end of the ribbon cable (FIG. 11) on the

Interface Board pin-bus, keeping the red stripe at the top.

5. Connect the "Slot 1" connector on the ribbon cable to the Tuner 2 module (FIG. 12).

Note: The ribbon cable must be oriented so that the red stripe is connected to Pin 1

on the connector.

• Verify that both ends of the cable are securely plugged into their respective boards

through the 20-pin connectors (FIG. 13).

6. Replace the two screws that were removed when the Tuner Option cover plate was

removed to secure the faceplate of the DAS-AMFM to the controller.

FIG. 14 provides a view of the inside of the controller, with two tuners installed.

Note: While it is recommended that you use the Slot 2 connector on the ribbon cable

to connect the Tuner installed in Slot 2 (in this case, the DAS-AMFM Tuner), the

ribbon cable itself does not determine which Tuner is Tuner 1 and Tuner 2.

This determination is set by the jumper settings on each Tuner Module (see “Dual

Tuner Installation Instructions” above).

Therefore, it is not required that the connections indicated in FIG. 11 are followed

exactly, as long as the Tuner Jumper Settings are set correctly for each Tuner Module

installed.

7. On units with green Interface Boards only: Connect the supplied cable from the tuner

to the Interface Board as shown in FIG. 15.

Note: The 3-wire end connects to the open pins on the Interface Board with the white

wire pointed up.

8. Use the supplied cable ties to secure the cable loosely as illustrated in FIG. 16:

FIG. 9 Audio Controller Jumper Configuration (Dual Tuners)

FIG. 10 Rear Panel - Tuner Slots 1 and 2

FIG. 11 Tuner Ribbon Cable

FIG. 12 Tuner 2 Module Connection

Tuner 1 jumpers (in OFF position)

Tuner 2 jumpers (in OFF position)

Top Left of Interface Board Pin Bus

TUNER 1

Jumpers

TUNER 2

Jumpers

Slot 1

Slot 2

(DAS-AMFM module pre-installed)

(Tuner Option cover plate installed)

Slot 2 Slot 1 Rear Panel

RED STRIPE (to Pin 1)

not used

(see Note below)

20-pin connector on Tuner 2

Rear of controller

FIG. 13 20-Pin Connector and Ribbon Cable

FIG. 14 Dual Tuner Cable Connection

FIG. 15 Connection of the cable to the left-side pins on the back of the interface board.

FIG. 16 Cable Routing

1 - Ribbon Cable

2 - Tuner 2

3 - Tuner 1

New tuner connection

Cable tie Cable tie

1 2

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