Pyle PLMRA400 Manual de usuario
EliteSeriesWaterproofAmplifier
PLMRA400
400 Watt 4-ChannelAmp System,
Dual MOSFET Power Supply
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Read through this user manual before using the product to ensure
its correct use. Keep this manual for future reference.
INTRODUCTION
The PLMRA402 has been designed using the latest electronic technology available.
The PLMRA402 is with engineered features allowing you to produce high quality
stereo repro duction in mobile applications. This innovative system has been
designed a 12 volts DC negative ground power supply.
Easy installation with mounting hardware is provided. The PLMRA402 has two
input levels. The high or low impedance input can be connected to units which
incorporate BTL circuity or common-ground types.
5
6 7
123 2 3
4
FIG 1
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FUNCTIONS
1. POWER ON LED: Lights up when the remote on system is energized.
2. INPUT GAIN CONTROL: Adjust high impedance input gain from 1 V to 300mV
for best matching with PREAMP output for your car stereo.
3. LOW IMPEDANCE INPUT (HIGH LEVEL INPUT): This unit is provided with two
terminal inputs (Front & Rear) for LOW impedance. If your car stereo has four
speaker outputs (LF, RF, LR, RR). Wire input as per FIG. 3 & FIG 3A.
If your car stereo has two speaker outputs, please wire as per FIG 4 & FIG 4A.
4. HIGH IMPEDANCE INPUT (LOW LEVEL INPUT): This unit is provided with gold
plated RCA input jacks for high impedance. Couple the RCA input with the car
stereo output using RCA type connector cables. If your stereo has only left and
right 2 channels outputs. You must use a Y-adaptor for connection (FIG 2).
5. POWER FUSE: Power fuse protects both this amplier and the automobile
electrical system from wrong electrical conditions.
6. POWER SUPPLY TERMINAL: Connct the +12V DC power supply wire into this
terminal. By lugs and screws accessible at the panel of this amplier (Fig. 5).
A. BATT + : Connect +12V DC power supply wire into this terminal from the (+)
terminal of the battery.
B. GROUND: Ground terminal connects the ground wire from the chassis of the
automobile.
C. REMOTE: Remote terminal connects the control wire which provides remote
turn-on and o of the amplier by the RADIO/CASSETTE players power
antenna wire.
7. SPEAKERS TERMINALS: Speakers can be easily connected to signal barrier strip.
You may use 4 to 8 ohms speakers. Before connecting, please check speaker
connection diagrams.
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ELECTRICAL AND AUDIO CONNECTIONS
A. STEREO INPUT CONNECTION
1. High impedance input
2. Low impedance (BTL or Common Ground) Input
a. Four Speaker Output Mode
a-1. Floating Ground Type
CAR STEREO
TO RIGHT
REAR INPUT
TO LEFT
REAR INPUT
TO RIGHT
FRONT INPUT
TO LEFT
FRONT INPUT
FROM LEFT FRONT PREAMP
OUTPUT OF CAR STEREO
FROM RIGHT FRONT PREAMP
OUTPUT OF CAR STEREO
FROM RIGHT REAR PREAMP
OUTPUT OF CAR STEREO
FROM LEFT
REAR PREAMP
OUTPUT OF
CAR STEREO
TO RIGHT
REAR INPUT
TO LEFT
REAR INPUT
TO RIGHT
FRONT INPUT
TO LEFT
FRONT INPUT
FROM PREAMP
LEFT OUTPUT
OF CAR STEREO
FROM PREAMP
RIGHT OUTPUT
OF CAR STEREO
FIG 2
LR +
LR
RR
RR +
LF +
LF
RF
RF +
CAR STEREO
FIG 3
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a-2. Common Ground Type
b. Two Speaker Output Mode
b-1. Floating Ground Type
LR +
COMMON
RR +
LF +
COMMON
RF +
CAR STEREO
FIG 3A
LEFT +
LEFT
RIGHT
CAR STEREO
FIG 4
RIGHT +
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b-2. Common Ground Type
NOTE: High and low impedance input cannot be used at same time.
B. SPEAKER CONNECTION
Connect the speaker output terminals to the corresponding speakers. (Figure 5)
The speakers must be high quality and capable of handling high power.
Separated return paths and strong wires are required. (Fig. 5)
NOTE:
This amplier has built-in short circuit protection. If you mistakingly connect any
speaker wires to ground, or positive power (+) and (-) wires short together, the
protection circuit will operate automatically and cut-o output. In case of this,
you must switch OFF the whole system immediately double check speaker wire
connections and isolation before switching on the amplier again.
LEFT
COMMON
RIGHT
CAR STEREO
FIG 4A
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C. POWER CONNECTION
1. Connect the B+12V pole of power supply directly to the battery (+) position
terminal.
2. Connect the GND pole of power supply directly to the (-) negative ground
battery terminal or car chassis.
3. To make a good grounding and prevent motor boating noise problem connect
another 12 gauge minimum wire from the (-) negative battery terminal to
chassis of stereo unit.
4. Connect the 'Remote' pole to external switch for positive 12V ON/OFF.
This may be connected to the receiver power antenna lead.
1 LEFT SPEAKER
2 RIGHT SPEAKER
4 RIGHT SPEAKER
3 LEFT SPEAKER
MAIN POWER LEAD
TO CAR BATTERY
POSITIVE TERMINAL
GROUND LEAD
CONNECT TO A WELL
GROUNDED METALLIC
PARTOF YOUR CAR
REMOTE SWITCH
CONNECT POWER ANT
ACC LEAD WIRE OF
YOUR CAR STEREO
FIG 5
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INSTALLATION
This amplier comes complete with mounting hardware, if the unit is used in the
line level (high impedance) mode, it is recommended to use gold plated RCA
connection cables with the length as short as possible and mount the unit as
close as possible to the receiver. This will lower the chance of stray magnetic pick
up that may cause noise in the system.
1. Choose a suitable location.
2. Check the clearance behind and above the mounting area.
3. Wire unit according to the proper wiring digram.
4. Using the hardware provided, attach the unit to mounting surface.
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MAINTENANCE
Your PYLE power Amplier is an example of superior design and craftsmanship.
The lowing suggestions will help you care for your amplier so you can enjoy it
for years.
Keep the amplier dry. If it gets wet, wipe it dry immediately.
Liquids can contain minerals that corrode electronic circuits.
Use and stre the amplier only in normal temperature environments.
Temperature extremes can shorten the lile of electronic devices and
distort or melt plastic parts.
Handle the amplier gently and carefully. Dropping it can damage circuit
boards and cases and can cause theamplier to work improperly.
Keep the amplier away from dust and dirt which can cause premature
wear of parts.
Wipe the amplier with a damp cloth occasionally to keep it looking new.
Do not use harsh chemicals, cleaning solvents, or strong deter gents to
clean the amplier.
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TESTING
1. After all the connections have been made, turn ON your stereo and listen for the
amplier to turn ON. If there are any unusual noises from the speakers then turn
the system o and recheck all the wiring.
2. After you have connected your radio or equalizer to the amplier, you may
adjust the gain control to match the output level of your radio.
A. Set the volume control on your radio to 2/3 position.
B. Adjust the gain control for an average listening level.
C. Turn the radio volume all the way down and listen for background noise.
D. Start your vehicle and listen for electrical noise.
E. Making ne adjustments to the sensitivity can reduce background noise and
some engine noise.
F. CAUTION: Never turn the sensitivity up any farther than you need to get clear
sound at 2/3 volume.
G. This adjustment only needs to be made once.
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