gray). With our LocoMatic™ Controller (#755), activating the ALT and... (and then releasing) will direct the sound system to alternate...

gray). With our LocoMatic™ Controller (#755), activating the ALT and... (and then releasing) will direct the sound system to alternate...
gray). With our LocoMatic™ Controller (#755), activating the ALT and F3 buttons simultaneously
(and then releasing) will direct the sound system to alternate between welded and unwelded rail.
TROLLEY SOUND for AC track power by
ACv0
HORN: sound is controlled by the HORN button on the transformer or other conventional controlling
device. The LocoMatic™ Controller can also be used if connected for it. The HORN will sound as
long you are holding the control on. This will allow you to actually play the sound as on a real
TROLLEY. Early TROLLIES had no horns.
CAUTION: THIS DEVICE CAN BE DAMAGED BY STATIC DISCHARGE. PLEASE EXERCISE CARE DURING INSTALLATION
TO AVOID THIS POSSIBILITY. DISCHARGE YOURSELF TO AN ELECTRICAL GROUND (OUTLET COVER SCREW) BEFORE
REMOVING THIS DEVICE FROM ITS ANTI-STATIC BAG. PLEASE READ INSTRUCTION SHEET COMPLETELY BEFORE
ATTEMPTING TO INSTALL AND OPERATE THIS PRODUCT.
Save the anti-static bag for possible reuse of storing or shipping the sound unit!
BELL: sound is controlled by the BELL button on the conventional transformer's remote controller or
again by the LocoMatic™ Controller if wired for it. When BELL sound is only activated when sitting
at rest. It operates the BELL in a slow fashion to represent the motor man activating it. With the
LocoMatic™ Controller you depress and release the BELL button to turn on the BELL and then
again depress and release the button to turn the BELL off. The bell will automatically turn off if the
trolley starts to move. It also automatically rings two times before the traveling sounds occur. If
the door sound is on, the door will close just before the bell is rung. The bell sound may have a
delay until it starts to ring after activation. When BELL sound is activated while running, it will start
a bit after the TROLLEY has stopped and is sitting at rest. The bell will automatically turn off if the
TROLLEY starts to move.
OVERVIEW:
This device is an electronic sound system for installation in model locomotives that are designed to
operate with conventional AC track power with standard Horn and Bell operation. In addition to
conventional control of the Horn and Bell, this sound system may also use of our LocoMatic™
Controller (Item 755) to operate the horn, bell, door sound on/off, and sectional / welded rail
selection.
The audio amplifier can produce 1.1 watts of power which is in excess of what most small speakers
can handle. The speaker impedance must be 8 ohms or higher. Sound volume is adjustable. Refer
to our catalog, web site, or price schedule for available speakers.
DOOR SOUNDS: close sound is produced when the sound unit is first powered up and when the
TROLLEY motor receives voltage to start moving. Opening sound is produced a few seconds after
the trolley has come to a stop. For those without doors on their trollies, the door sound can be made
not to play by connecting J5, pin 2 (gray wire) to the ground connection (J2, pin 2, gray). The
LocoMatic™ Controller can also operate this function by activating the F4 button (requires the ALT
button to also be pressed simultaneously).
Sounds produced include horn, bell, door sound, and rail traveling sound. Air Compressor
sounds are only in the "Later Type" trolley system (item #635).
INSTALLATION INSTRUCTIONS:
AIR COMPRESSOR: run at random in the "Later Type" trolley system. "Early Type" systems do
not have air compressor's.
The sound system consists of two printed circuit boards, two 2-pin jumper cables (already installed),
three 2-pin connectors with wires and one 3-pin connector with wires. Not included is a choke (item
702 or 703 depending on motor power requirements) which is required for LocoMatic™ track power
installations. It is not required for conventional operation.
SPEAKER MOUNTING: The speaker generally should be mounted so that the sound can actually
"get out" of the locomotive. A hole in the floor or fuel tank is acceptable but open grills or a doorway
may be a better choice as the sound can exit upward rather than down toward the track. In some
cases, particularly with plastic body shells, just mounting the speaker against the shell will be
adequate as the vibrations of the shell can enhance the sound. Enclosing the speaker in a chamber
will also enhance sound reproduction. A very simple enclosure can be made with a tube or pill
container. The longer the tube the better the speaker will reproduce low frequency sound which is
inherent in diesel prime movers. It is usually best to seal the end of the tube, so there are no air
passages to the rear of the speaker, thus creating a sound chamber. A better method is to utilize the
entire engine or car body cavity. By carefully sealing all openings it may be possible to use the
entire body shell as a sound chamber. A simple wall behind the speaker may be all that is possible
or perhaps all that is needed.
Refer to the drawing on page 2 to familiarize yourself with the connectors and controls on the sound
board. Then refer to the specific instruction sheets for the type of installation you intend to make.
Before proceeding with the installation read the balance of the instructions on this page carefully so
you will be completely familiar with what is required and what sounds you should hear.
The sound circuit board should be mounted so that at minimum, the volume control is accessible
either through the frame or via a hatch or a hole in the locomotive body shell. The power board can
be mounted anywhere convenient. Be certain that the components on the circuit boards do not
come in contact with any metal objects as such contact can destroy them. To mount, degrease the
area and then simply remove the coating on the tape. Once mounted they will be quite difficult to
remove after a period of time. The speaker should be mounted as per available space bearing in
mind that sound reproduction is enhanced when a speaker is properly enclosed and baffled. Be
extra careful to insure that none of the speaker wires come into contact with any other metal or
wires!
Speakers can be attached with double sided tape, with glue or with "hot melt". Enclosures can be
made with plastic, wood, card stock or even metal. Film cans or medicine bottles make excellent
sound chamber enclosures for small diameter speakers. Attachment with "hot melt" is
advantageous as the "hot melt" can be used as a gap filler when creating an enclosure.
There is an on-board storage capacitor to keep the sound operational during power sequences. If
the sequence time is too long, or if the volume is set high, the storage time will be shorter therefore
requiring a fast sequence.
Speaker enclosure is an art and experimentation is definitely in order for your installation so as to
gain the maximum benefit of the superb sound quality available in this sound system.
If any connections are not done properly, especially the power connections, you will damage the
sound system. This type of damage is not covered under any warranty. The sound system is
thoroughly tested and inspected before packing to insure proper function. There is a minimum
charge of $40.00 plus s/h for repair.
GENERAL OPERATING INFORMATION:
SOUND INFORMATION:
VOLUME ADJUSTMENT: should be set as desired for your application. Please remember that the
amplifier can produce more power than a small speaker can handle and that the sound will be
louder if the speaker is properly enclosed and baffled.
TRAVELING: sounds range from no sound when stopped to full speed based upon motor voltage
present and the "Notch" control setting. The traveling sounds default to sectional rail. You can
select welded rail by merely connecting J5, pin 1 (red wire) to the ground connection (J2, pin 2,
NOTCH ADJUSTMENT: for most AC operators, full counter-clockwise will yield notch #8 with a
higher track / motor voltage. Rotate the control CW to decrease the voltage required to reach notch
#8. This setting is an arbitrary setting to whatever best suits your needs.
1
Connections & Locations
2 1
AC-track power input:
2 1
Power Board
1 - (RED) .............3 rail: Center Rail,
2 rail: right rail
2 - (GRAY) ..........3 rail: Outside Rail,
2 rail: left rail
if these are reversed, the Horn/Bell will operate reversed of normal
DC power connections: (preconnected to sound board J2)
2 1
1 - DC power "+" (RED)
2 - DC power "–" (BLACK)
HB connections: (preconnected to sound board J4)
1 - Horn Signal (WHITE)
2 - Bell Signal (BLUE)
Remember, most everything in this trolley sound unit is automatic. The
Horn, if your trolley had any, and manual play of the bell are not. If neither
of these are required and you want sectional rail sound with operating door
sounds, then you don't have to connect anything to J4 or J5 since this is the
default playing mode of this sound unit. See page 6, "Options Wiring Help".
Volume Control
Notch Control
(speed set)
Speaker Output
J3 connections:
1 - LocoMatic™ input (RED)
2 - Motor 1 (BLACK)
3 - Motor 2 (WHITE)
Sound Board
J2 connections: (preconnected to
power board)
1 - DC power "+" (RED)
2 - DC power "–" (BLACK)
SPECIFIC INSTRUCTION SHEETS
Motor Select (J 5)
1 - rail type cntrl
(red)
2 - door control
(gray)
Remote Input (J 4) Preconnected to
the Power Board .
1 - Horn (white)
2 - Bell (blue)
SYNC & J1 connectors are not used.
NOTE: The speaker impedance should be kept near or above 8 ohms, therefore four 8 ohm
speakers in a series/parallel configuration is acceptable since it yields 8 ohms total impedance. If
you care to use two 8 ohm speakers you must place them in SERIES.
PAGE
INSTALLATION TYPE
3 ............. Conventional/ Stndard AC
4..............using LocoMatic™ Controller
5 ............. sample speaker installation
6 ............. Options Wiring Help
246 W. Main St.
Leola, PA 17540
(717) 661-7041
www.dallee.com
DO NOT touch the speaker wires to anything else, this will damage the amplifier which is not
covered under warranty!
2
AC track power - Conventional Installation.
to optional
directional
lighting
no connection cut or tape to
prevent a short.
Red
speaker
to optional
non-directional
lighting
Black
Red
motor leads
from E-Unit.
M
White
Brown
E-Unit
(electronic or
mechanical)
Blue
2 rail - connect to right
rail pickup.
3 rail - connect to center
rail pickup.
Black
Track Power input
M - motor armature / brush connections. The black and
white wires connect to the existing motor brushes.
Sound Board
Black
White
Red
E-Unit color codes match item #400. Other
manufacturer's color code will vary.
2 1
Red
Power Board
2 1
Gray
wires with a " " ARE a connection!
2 1
Blue
The E-Unit is only shown as a convenience. Existing
E-Units remain wired as they presently are. You only
need to wire the Power Board AC (Red / Gray) input
power to the track and the sound boards J3 connections
(Black / White) wires to the existing motor brushes.
2 rail - connect to left rail
pickup.
3 rail - connect to
outside rail,
chassis, pickup.
wires crossing over (without a " ")
DO NOT CONNECT!
3
AC track power installation using conventional Horn/Bell or DALLEE controller #755
to optional
directional
lighting
to optional
non-directional
lighting
Use 1.5 amp choke, item 702, as
supplied with sound system or
item 703 for larger motor loads.
Red
speaker
Black
Red
motor leads
from E-Unit.
M
White
Brown
E-Unit
(electronic or
mechanical)
Blue
Choke
2 rail - connect to right
rail pickup.
3 rail - connect to center
rail pickup.
Black
Track Power input
Sound Board
Blue
E-Unit color codes match item #400. Other
manufacturer's color code will vary. If you have a
series motor, connect the Yellow and Orange wires to
the field as instructed in the E-Unit's instructions.
Black
White
2 rail - connect to left rail
pickup.
3 rail - connect to
outside rail,
chassis, pickup.
Red
2 1
Red
Power Board
2 1
Gray
2 1
wires with a " " ARE a connection!
wires crossing over (without a " ")
DO NOT CONNECT!
If you do not want the sound system to operate from
the standard Horn/Bell signals, then disconnect the
HB - J4 wire harness.
4
Sample Speaker Installations
When mounting the sound unit in an open chassis (car or locomotive) area
with a power feed entering under the speaker requires raising the speaker
from the chassis floor. This is easily accomplished by adding item #388, 1/8"
thick double sided tape, to the rim of the speaker. As you can see, only a
small amount is needed. This creates an air tightness from the front side of
the speaker which is required for a good baffle. In this case, the entire body
shell is used for the speaker baffle which is why nothing is required on the
back side of the speaker.
Mounting a speaker facing out from
inside of the body. You have to
seal all edges of the speaker for
a proper baffle.
For open body shells it is necessary to
make a speaker baffle instead of using
the body for a baffle. In both cases, the
backside of the speaker is closed off.
Using the fuel tank as a speaker baffle
is quite easy. In this case the speaker
eminates sound into the body.
DO NOT allow the speaker
wires to contact ANYTHING
else INCLUDING the
chassis of the engine or the
speaker frame. This will
damage the sound unit and
voids the warranty.
Mounting speaker in hood of engine using a metal grill for the exhaust.
5
Options wiring help:
Connect all other connectors as shown. If you want to change the default play of the Sectional Rail to Welded Rail sound,
add connection as shown below.
Red
Gray
Sound Board
Black
Connect to Black
for Welded Rail
Connect to Black
for No Door sound
To Power Board.
Splice the J5-1, RED wire, and/or the J5-2, GRAY wire
onto the Black wire that goes between the Sound Board
and Power Board to change default settings. Be sure to
insulate properly (best to use heat shrink tubing).
6
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