Valcom v-2992 Service Manual

Issue 2

V-2992
VOLUME CONTROL

INTRODUCTION

The Valcom V-2992 Volume Control is a volume
control unit which can be mounted into a
single-gang electrical box. This unit is
compatible with all Valcom one-way and two-way
speakers. The V-2992 is not designed to connect
directly to the output of high-powered amplifiers.

SPECIFICATIONS

Applications

• To control volume of one-way amplified
speaker assemblies in inaccessible areas

• To control large groups of one-way
amplified speaker assemblies

• To control volume of Valcom talkback
speakers

• Volume control for Valcom V-1039A,
Explosion Proof Horn

Dimensions/Weight

• 4.50"H x 2.75"W x 1.70"D
(11.43cm H x 6.99cm W x 4.32cm D)

• 0.8 lbs. (0.36 kg)

INSTALLATION

These instructions cover only the installation
procedures for the Valcom V-2992. Consult the
installation instructions of other equipment for
information relative to each piece of equipment.

Mounting

Feed audio cable through access hole in an
installed single-gang electrical workbox. After
making connections, install faceplate to box
using the screws provided.

Audio Connections

"D" type station wire or other suitable pairs may
be used for audio connections.

Connections when using a One-Way Control
Unit
a. Connect volume control input tip and

ring to desired zone output leads from
page control.

b. Connect volume control output tip and

ring to speakers.

Connections when using a Talkback Control Unit

a. Connect volume control tip input terminal
to tip output lead of talkback page control

unit

b. Connect volume control tip output terminal to

tip lead of talkback speaker.

c. Connect ring output of talkback page control

to ring of talkback speaker.

ONE - WAY PAGE
CONTROL UNIT

Tip In

Ring In

TALKBACK
CONTROL UNIT

Ring

V-2992 CONNECTIONS USING A
ONE - WAY PAGE CONTROL

V-2992 CONNECTIONS USING A
TALKBACK PAGE CONTROL

Tip In

Tip Out

Ring Out

Tip Out

ONE - WAY
AMPLIFIED
SPEAKER

TALKBACK
SPEAKER

1 947612

TECHNICAL ASSISTANCE

When trouble is reported, verify the unit is
properly connected and there are no broken
connections leading to this unit.

If trouble still exists, using two clip leads, short
tip into tip out and into ring out and test page. If
the page works, replace the V-2992. If the
system still does not work continue
troubleshooting. If a spare is available substitute
the spare unit for the suspected unit.

If the trouble has not been located, refer to
Table 1. Identify the symptoms and perform the
actions indicated.

TROUBLESHOOTING CHART

PROBLEMS POSSIBLE CAUSES VERIFICATIONS POSSIBLE SOLUTIONS

No audio output to added

speaker

Open output path

Open input path

Assistance in troubleshooting is available from the
factory. When calling, you should have a VOM
available and be calling from the job site. Call (540)
563-2000 for Technical 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

Place handset across input

terminals - No audio input

Place 8 Ohm speaker across

output terminals - No audio

output

Check cabling and
cross-connections

Check cabling and
cross-connections

VALCOM LIMITED WARRANTY

Valcom, Inc. warrants its products to be free from defects in materials and workmanship 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 or
refund of any such defective device within the warranty 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

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

5. all units ‘out of warranty’ are subject to a service charge. The service charge will cover minor repairs (major repairs will be

This warranty is in lieu of and excludes all other warranties, expressed or implied and in no event shall 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, the
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

charge plus parts and labor will be applied to units defaced or physically damaged);

subject to additional charges for parts and labor).

Valcom, Inc:

5614 Hollins Road

Roanoke VA 24019-5056

Phone: [phone]

Fax: [phone]

2 947612