User’s Manual VersaTools® MDA 3 Series Video and Audio Mini Video Distribution Amplifiers www.extron.com Extron Electronics, USA Extron Electronics, Europe Extron Electronics, Asia Extron Electronics, Japan 1230 South Lewis Street Anaheim, CA 92805 USA 714.491.1500 Fax 714.491.1517 Beeldschermweg 6C 3821 AH Amersfoort The Netherlands +31.33.453.4040 Fax +31.33.453.4050 135 Joo Seng Road, #04-01 PM Industrial Building Singapore 368363 +65.6383.4400 Fax +65.6383.
Precautions Safety Instructions • English This symbol is intended to alert the user of important operating and maintenance (servicing) instructions in the literature provided with the equipment. This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product’s enclosure that may present a risk of electric shock. Caution Read Instructions • Read and understand all safety and operating instructions before using the equipment.
Introduction ................................................................................ 1 Installation ................................................................................... 2 Rack mounting ............................................................................ 2 Back of the rack mounting ........................................................ 4 Furniture or projector mounting ............................................. 6 Connections, Controls, and Indicator .....................
Table of Contents, cont’d Introduction The Extron MDA 3 Series of Mini Distribution Amplifiers (MDAs) are a family of eight one-input, three-output, video and audio distribution amplifiers. The MDA series distribution amplifiers (DAs) split one composite video or S-video input and/or audio input for output to multiple destinations with no loss of signal quality. The MDA are members of the Extron VersaTools® line of basic distribution amplifiers, switchers, and associated video accessories.
VersaTools® MDA 3 Series, cont’d Installation The MDA 3 Series mini distribution amplifiers (DAs) can be mounted on a rack shelf, to a rack without a shelf, under a desk or tabletop, or on a projector bracket.
VersaTools® MDA 3 Series, cont’d Back of the rack mounting The MDA can be mounted to the rear of a rack using the Extron MBB 100 VersaTools® back of the rack mounting kit (part #70-367-01) (figure 3). The kit allows the product to be vertically mounted to the front or rear rack supports and facing either towards the front or the rear of the rack.
VersaTools® MDA 3 Series, cont’d Furniture or projector mounting 8. Furniture mount or projector mount the MDA using the optional Extron MBU 123 VersaTools® under desk mounting kit (part #70-212-01); or VersaTools® PMK 100 mini projector mounting kit (part #70-217-01) as follows: Attach the mounting brackets to the MDA with the machine screws provided (figure 5). 1.
VersaTools® MDA 3 Series, cont’d POWER 12V .5A MAX Balanced Stereo Input (high impedance) 2 3 (high impedance) 1 2 OUTPUTS 3 Figure 8 — Captive screw input connector wiring B INPUT MDA 3V Dual, Rear Panel Unbalanced Stereo Input Do not tin the wires! 1 R A L 0.2” (5 mm) max. Tip Ring Sleeve (s) Tip Ring R Tip Sleeve MDA 3SV DUAL 10 Tip Sleeve 2 1 L MDA 3SV Dual, Rear Panel 1 2 3 4 When making connections for the MDA from existing audio cables, see figure 9.
VersaTools® MDA 3 Series, cont’d 7 Bal(anced)/Unbal(anced) DIP switches — For each balanced audio output, set the associated DIP switch to the BAL Balanced (up) position. For each unbalanced audio output, set the associated DIP switch to the Unbalanced (down) position. Smooth A Ridges A SECTION A–A The balanced or unbalanced nature of the audio output is determined by the output connector wiring, not the audio input. Each output can be balanced or unbalanced independently of the other two outputs.
VersaTools® MDA 3 Series, cont’d 11 Power LED (figure 13) — When lit, this LED indicates power is applied to the MDA. 11 Front Panel, all MDA Models DISTRIBUTION AMPLIFIER Figure 13 — MDA 3 Series front panel (all models) Specifications Video DC offset (max. allowable) ......... 5.0 V Input coupling .............................. AC Video output Number/signal type MDA 3SV/3SVA .............. MDA 3SV Dual ................ MDA 3V/3AV .................. MDA 3V Dual ..................
VersaTools® MDA 3 Series, cont’d Audio input — MDA 3AV, MDA 3SVA, MDA 3A/3A RCA, MDA 5A RCA Number/signal type MDA 3A RCA 1 stereo unbalanced MDA 3AV, MDA 3SVA, MDA 3A 1 stereo balanced/unbalanced Connectors MDA 3A RCA 2 RCA connectors MDA 3AV, MDA 3SVA, MDA 3A (1) 3.5 mm captive screw connector, 5 pole Impedance MDA 3A RCA >10k ohms unbalanced, DC coupled MDA 3AV, MDA 3SVA, MDA 3A >50k ohms unbalanced, >25k ohms balanced, DC coupled Nominal level ............................... +4 dBu (1.23V), 0 dBu (0.
VersaTools® MDA 3 Series, cont’d Vibration ....................................... ISTA 1A in carton (International Safe Transit Association) Listings .......................................... UL, CUL Compliances ................................. CE, FCC Class A, VCCI, AS/NZS, ICES MTBF ............................................. 30,000 hours Warranty ....................................... 3 years parts and labor All nominal levels are at ±10%. Specifications are subject to change without notice.
