Valcom V-2952 Service Manual

V-2952

FM TUNER

INTRODUCTION

The V-2952 FM Tuner may be used to provide a
music source for b oth background music for a paging
system and music-on-hold for a telephone system.

These instructions contain the specifications and
information necessary to install, operate, and maintain
the FM Tuner.

SPECIFICATIONS

Applications

• Valcom Paging Systems

• Stand Alone Background Music Systems

• Music-On-Hold

Features

• Two individual outputs each with volume control
a) Output 1: .5 watt
b) Output 2: Line level

• Separate bass and treble tone controls

• Frequency locked loop tuning system

• External antenna provided

• Internal speaker for monitoring

• On/Off switch

• Power on indicator

• Powered by –24 Vdc or –12 Vdc

• Power jack for use with receptacle mount power

supply

• Wall or shelf mount

• Local/Distant Signal reception switch

Options

• –12 Vdc power supply available (VP-412A)

VSP-V-2952

Issue 4

Dimensions/Weight

• 6.19" H x 8.25" W x 1.55" D

(15.72cm H x 20.96cm W x 3.94cm D)

• 1.3 lbs (.59kg)

Environment

• Temperature: 10 to 40 Degrees C

• Humidity: 0 to 85% non-precipitating

Performance (Nominal)

• Frequency tuning range:87.5 MHz to 108.5 MHz

• Power Output: .5 watt (at 8 ohms)

-10 dB (line out)

• S/N Ratio: -50dB

• Distortion: less than 2% @ rated output

Power Requirements

• Voltage: Power Input 1: –24 Vdc
Power Input 2: –12 Vdc

• Current: 250 mA

Capacity

• V-2952 will drive one 8 Ohm or six 45 Ohm
speakers from the .5 watt output.

• V-2952 will drive up to 150 Valcom one-way
amplified speakers from the line output.

1 947952

INSTALLATION

Connecting Arrangement

If a –12 Vdc power adapter is used, begin with Step

1. For power connections using a –24Vdc power

supply start at Step 2. (Refer to Figure 1)
__ 1. Plug –12 Vdc power adapter into receptacle

provided on the V-2952 (Go to Step 4).

__ 2. Connect –24 Vdc "-" from power supply to

one 24 Vdc terminal on the V-2952.

__ 3. Connect GND "+" from power supply to the

other 24 Vdc terminal on the V-2952.

NOTE: The –24 Vdc inputs are not polarity
sensitive.

__ 4. If the V-2952 is being connected to a

Valcom page control or amplified paging
speakers, connect the Output marked
"LINE" to the background music input of
the paging system or directly to the
dedicated speakers.

__ 5. When the V-2952 is connected to V-9941A,

connect the output marked "0.5 W" to the
music terminals of the V-9941A.

__ 6. If the V-2952 is connected to a telephone

system for music-on-hold, connect the
Output marked "0.5 W" to the music-on­hold input of the telephone system.

__ 7. An external antenna is supplied. Install the

supplied balun transformer and dipole
antenna as shown in Figure 1 or connect a
customer supplied antenna with coax cable
to the "F" connector.

Setup Procedure

The setup procedure for the V-2952 is as follows
(Refer to Figure 2).
__ 1. With the power supply connected, turn

power switch "ON."
__ 2. Set EXT/INT switch to "INT."
__ 3. Rotate 0.5 W volume control ¼ turn

clockwise.
__ 4. Adjust tuning knob to desired FM station.
__ 5. Turn EXT/INT switch to "EXT" position

and adjust appropriate output volume control

to desired l evels for backgr ound music or

music-on-hold. Adjust V-2952 Bass and

Treble controls to desired tone of music.
If distortion occurs due to close proximity of a strong
local station move the LOCAL/DISTANT switch to
the "LOCAL" position. (Refer to Figure 1)

TECHNICAL ASSISTANCE

Assistance in troubleshooting is available from the
factory. When calling, you should have a VOM and a
test set available and be calling from the job site. Call
[phone] and ask for Technical Support, or call
[phone] for Valcom 24-hour Automated
Support or visit our website at
http://www.valcom.com.

Valcom equipment is not field repairable. Valcom,
Inc. maintains service facilities in Roanoke, VA.
Should repairs be necessary, attach a tag to the unit
clearly stating your company name, address, phone
number, contact person, and the nature of the
problem. Send the unit to:

Valcom, Inc.

Repair and Return Dept.

5614 Hollins Road

Roanoke, VA 24019-5056

Valcom, Inc. warrants its products to be free from defects in materials and w orkmanship under conditions of normal use and service for a
period of one year from the date of shipment. The obligation under this warranty shall be limited to the replacement, repair o r refund of
any such defective device within the warrant y period, provided that:

1. inspection by Valcom, Inc. indicates the validity of the claim,

2. the defect is not the result of damage, misuse, or negligence after the original shipment,

3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened (A service charge plus
parts and labor will be applied to units defaced or phy sically damaged)

4. freight charges for the return of products to Valcom are prepaid

5. all units 'out of warranty' are subject t o a service charge. The service charge will cover minor repairs (Major repairs will be subject to
additional charges for parts and labor).

This warranty is i n lieu of and excludes all other warranties, expressed or implied , and in no even t sh all Valcom, Inc. be liable for
any anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the
purchase, operation or use of the product.

This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, t he carrier
should be notified immediately. Claims for such damage should be filed with the carrier involved in accordance with the F.O.B. point.

Headquarters:

Valcom, Inc.

1111 Industry Avenue

Roanoke, VA 24013

Phone: [phone]

FAX: [phone]

In Canada:

CMX Corporation

35 Van Kirk Drive #11 and 12

Brampton, Ontario L7A1A5

Phone: [phone]

FAX: [phone]

2 947952

VALCOM LIMITED WARRANTY