PIONEER GM-X942/XR/ES Owner's Manual

PIONEER GM-X942/XR/ES Owner's Manual
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Owner's Manual for PIONEER GM-X942/XR/ES, downloadable as a PDF file.

We also have service manual to this model.

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Sample pages

Thank you for purchasing this PIONEER

product. Before attempting operation, be

sure to read this manual.

Composition of Manual

This manual applies to the GM-X942 and

GM-X742. However, the illustrations show

the GM-X942.

In case of trouble

When the unit does not operate properly,

contact your dealer or the nearest autho-

rized PIONEER Service Station.

WARNING

· Always use the special red battery and ground

wire [RD-223], which is sold separately. Connect

the battery wire directly to the car battery positive

terminal (+) and the ground wire to the car body.

· Do not touch the amplifier with wet hands.

Otherwise you may get an electric shock. Also, do

not touch the amplifier when it is wet.

· For traffic safety and to maintain safe driving

conditions, keep the volume low enough so that

you can still hear normal traffic sound.

· Check the connections of the power supply and

speakers if the fuse of the separately sold battery

wire or the amplifier fuse blows. Detect the cause

and solve the problem, then replace the fuse with

another one of the same size and rating.

· To prevent malfunction of the amplifier and

speakers, the protective circuit will cut the power

supply to the amplifier (sound will stop) when an

abnormal condition occurs. In such a case, switch

the power to the system OFF and check the

connection of the power supply and speakers.

Detect the cause and solve the problem.

· Contact the dealer if you cannot detect the cause.

· To prevent an electric shock or short-circuit

during connection and installation, be sure to

disconnect the negative () terminal of the battery

beforehand.

· Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier. Be

sure to protect all cables and important equipment

such as fuel lines, brake lines and the electrical

wiring from damage.

Before Using This Product

PIONEER CORPORATION

4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO 153-8654, JAPAN

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1760, Long Beach, California 90801, U.S.A.

TEL: (800) 421-1404

PIONEER ELECTRONIC (EUROPE) N.V.

Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

TEL: (0) 3/570.05.11

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

178-184 Boundary Road, Braeside, Victoria 3195, Australia

TEL: (03) 9586-6300

PIONEER ELECTRONICS OF CANADA, INC.

300 Allstate Parkway, Markham, Ontario L3R 0P2, Canada

TEL: (905) 479-4411

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.

San Lorenzo Num 1009 3er piso Desp. 302

Col. Del Valle, Mexico D.F. C.P. 03100

TEL: 5-688-52-90

Published by Pioneer Corporation.

Publicado por Pioneer Corporation.

Printed in U.S.A.

Impreso en los EE.UU.

<HRD0125-A> ES

<99L00F0R01>

BRIDGEABLE POWER AMPLIFIER

AMPLIFICADOR DE POTENCIA EN

PUENTE

Owner's Manual

GM-X942

GM-X742

Manual del Propietario

Setting the Unit

Gain Control

If the sound level is too low, even when

the volume of the car stereo used along

with this power amplifier is turned up,

turn gain control on the front of the

power amplifier clockwise. If the sound

distorts when the volume is turned up,

turn the gain control counter-clockwise.

· When using with an RCA equipped car

stereo (standard output of 500 mV), set to

the NORMAL position. When using with

an RCA equipped Pioneer car stereo with

max. output of 4 V or more, adjust level to

match the car stereo output level.

Cut Off Frequency Control

If the LPF/HPF select switch is set to

LPF (or HPF), you can select a cut off

frequency from 40 to 120 Hz.

Power Indicator

The power indicator lights when the

power is switched on.

Bass Boost Level Control

Bass boost level control can boost the

level around the frequency selected by

the bass boost frequency control from 0

to 18 dB.

Bass Boost Frequency Control

You can select a bass boost frequency

from 40 to 120 Hz with the bass boost

control.

· Bass Boost Level Control and Bass Boost

Frequency Control can be adjusted only

when the LPF/HPF select switch is set to a

position other than HPF.

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an

AM broadcast with your car stereo,

change the BFC switch using a small

standard tip screwdriver.

LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch

Set the LPF/HPF select switch as follows according to the type of speaker

that is connected to the speaker output connector and the car stereo system:

LPF/HPF Select

Audio frequency range

Speaker

Remarks

Switch

to be output

Type

LPF (left)

* -- 40 to 120 Hz

Subwoofer

Connect a subwoofer.

OFF (center)

Full range

HPF (right)

* 40 to 120 Hz --

Full range

Use if you want to cut the

very low frequency range*

because it is not necessary

for the speakers you are

using.

* See the "Cut Off Frequency Control" section.

Thank you for purchasing this PIONEER

product. Before attempting operation, be

sure to read this manual.

Composition of Manual

This manual applies to the GM-X942 and

GM-X742. However, the illustrations show

the GM-X942.

In case of trouble

When the unit does not operate properly,

contact your dealer or the nearest autho-

rized PIONEER Service Station.

WARNING

· Always use the special red battery and ground

wire [RD-223], which is sold separately. Connect

the battery wire directly to the car battery positive

terminal (+) and the ground wire to the car body.

· Do not touch the amplifier with wet hands.

Otherwise you may get an electric shock. Also, do

not touch the amplifier when it is wet.

· For traffic safety and to maintain safe driving

conditions, keep the volume low enough so that

you can still hear normal traffic sound.

· Check the connections of the power supply and

speakers if the fuse of the separately sold battery

wire or the amplifier fuse blows. Detect the cause

and solve the problem, then replace the fuse with

another one of the same size and rating.

· To prevent malfunction of the amplifier and

speakers, the protective circuit will cut the power

supply to the amplifier (sound will stop) when an

abnormal condition occurs. In such a case, switch

the power to the system OFF and check the

connection of the power supply and speakers.

Detect the cause and solve the problem.

· Contact the dealer if you cannot detect the cause.

· To prevent an electric shock or short-circuit

during connection and installation, be sure to

disconnect the negative () terminal of the battery

beforehand.

· Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier. Be

sure to protect all cables and important equipment

such as fuel lines, brake lines and the electrical

wiring from damage.

Before Using This Product

PIONEER CORPORATION

4-1, MEGURO 1-CHOME, MEGURO-KU, TOKYO 153-8654, JAPAN

PIONEER ELECTRONICS (USA) INC.

P.O. Box 1760, Long Beach, California 90801, U.S.A.

TEL: (800) 421-1404

PIONEER ELECTRONIC (EUROPE) N.V.

Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

TEL: (0) 3/570.05.11

PIONEER ELECTRONICS AUSTRALIA PTY. LTD.

178-184 Boundary Road, Braeside, Victoria 3195, Australia

TEL: (03) 9586-6300

PIONEER ELECTRONICS OF CANADA, INC.

300 Allstate Parkway, Markham, Ontario L3R 0P2, Canada

TEL: (905) 479-4411

PIONEER ELECTRONICS DE MEXICO, S.A. de C.V.

San Lorenzo Num 1009 3er piso Desp. 302

Col. Del Valle, Mexico D.F. C.P. 03100

TEL: 5-688-52-90

Published by Pioneer Corporation.

Publicado por Pioneer Corporation.

Printed in U.S.A.

Impreso en los EE.UU.

<HRD0125-A> ES

<99L00F0R01>

BRIDGEABLE POWER AMPLIFIER

AMPLIFICADOR DE POTENCIA EN

PUENTE

Owner's Manual

GM-X942

GM-X742

Manual del Propietario

Setting the Unit

Gain Control

If the sound level is too low, even when

the volume of the car stereo used along

with this power amplifier is turned up,

turn gain control on the front of the

power amplifier clockwise. If the sound

distorts when the volume is turned up,

turn the gain control counter-clockwise.

· When using with an RCA equipped car

stereo (standard output of 500 mV), set to

the NORMAL position. When using with

an RCA equipped Pioneer car stereo with

max. output of 4 V or more, adjust level to

match the car stereo output level.

Cut Off Frequency Control

If the LPF/HPF select switch is set to

LPF (or HPF), you can select a cut off

frequency from 40 to 120 Hz.

Power Indicator

The power indicator lights when the

power is switched on.

Bass Boost Level Control

Bass boost level control can boost the

level around the frequency selected by

the bass boost frequency control from 0

to 18 dB.

Bass Boost Frequency Control

You can select a bass boost frequency

from 40 to 120 Hz with the bass boost

control.

· Bass Boost Level Control and Bass Boost

Frequency Control can be adjusted only

when the LPF/HPF select switch is set to a

position other than HPF.

BFC (Beat Frequency Control) Switch

If you hear a beat while listening to an

AM broadcast with your car stereo,

change the BFC switch using a small

standard tip screwdriver.

LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switch

Set the LPF/HPF select switch as follows according to the type of speaker

that is connected to the speaker output connector and the car stereo system:

LPF/HPF Select

Audio frequency range

Speaker

Remarks

Switch

to be output

Type

LPF (left)

* -- 40 to 120 Hz

Subwoofer

Connect a subwoofer.

OFF (center)

Full range

HPF (right)

* 40 to 120 Hz --

Full range

Use if you want to cut the

very low frequency range*

because it is not necessary

for the speakers you are

using.

* See the "Cut Off Frequency Control" section.

Connection Diagram

Connecting the Unit

CAUTION

· Disconnect the negative () terminal of the battery

to avoid the risk of short-circuit and damage to

the unit.

· Secure the wiring with cable clamps or adhesive

tape. To protect the wiring, wrap adhesive tape

around it where they lie against metal parts.

· Do not route wires where they will get hot, for

example where the heater will blow over them. If

the insulation heats up, it may become damaged,

resulting in a short-circuit through the vehicle

body.

· Make sure that wires will not interfere with mov-

ing parts of the vehicle, such as the gearshift,

handbrake or seat sliding mechanism.

· Do not shorten any wires. Otherwise the protec-

tion circuit may fail to work when it should.

· Never feed power to other equipment by cutting

the insulation of the power supply wire to tap

from the wire. The current capacity of the wire

will be exceeded, causing overheating.

Fuse (30 A)

Grommet

RCA input

Special red battery wire [RD-223] (sold separately).

After making all other connections at the amplifier,

connect the battery wire terminal of the amplifier to

the positive (+) terminal of the battery.

Ground wire (black) [RD-223] (sold separately).

Connect to metal body or chassis.

Amplifier with

RCA input jacks

GM-X942: Fuse (30 A)

× 2

GM-X742: Fuse (20 A)

× 2

Car stereo with

RCA output jacks

External Output

Connecting wires with RCA pin

plugs (sold separately).

RCA input jack

RCA output jack

Speaker output terminal

See the "Connecting the

Speaker wires" section

for speaker connection

instructions.

System remote control wire (sold separately).

Connect the male terminal of this wire to the system remote

control terminal of the car stereo (SYSTEM REMOTE CON-

TROL). The female terminal can be connected to the auto-

antenna relay control terminal. If the car stereo does not have

a system remote control terminal, connect the male terminal

to the power terminal through the ignition switch.

GM-X942

Speaker Channel

Speaker Type

Power

Two-channel

Subwoofer

Nominal input: Min. 120 W

Other than subwoofer

Max. input: Min. 200 W

One-channel

Subwoofer

Nominal input: Min. 330 W

Other than subwoofer

Max. input: Min. 600 W

GM-X742

Speaker Channel

Speaker Type

Power

Two-channel

Subwoofer

Nominal input: Min. 100 W

Other than subwoofer

Max. input: Min. 160 W

One-channel

Subwoofer

Nominal input: Min. 270 W

Other than subwoofer

Max. input: Min. 480 W

Fuse (30 A)

Back side

To prevent damage

· Do not ground the speaker wire directly or con-

nect a negative () lead wire for several speakers.

· This unit is for vehicles with a 12-volt battery and

negative grounding. Before installing it in a recre-

ational vehicle, truck, or bus, check the battery

voltage.

· If the car stereo is kept on for a long time while

the engine is at rest or idling, the battery may go

dead. Turn the car stereo off when the engine is at

rest or idling.

· If the system remote control wire of the amplifier

is connected to the power terminal through the

ignition switch (12 V DC), the amplifier will

always be on when the ignition is on-- regardless

of whether the car stereo is on or off. Because of

this, the battery could go dead if the engine is at

rest or idle.

· Speakers to be connected to the amplifier should

conform with the standards listed below. If they

do not conform, they may catch fire, emit smoke

or become damaged. The speaker impedance must

be 1 to 8 ohms for stereo connection, and 2 to 8

ohms for monaural and other bridge connection.

· Install and route the separately sold battery wire

as far away as possible from the speaker wires.

Install and route the separately sold battery wire

and ground wire, speaker wires, and the amplifier

as far away as possible from the antenna, antenna

cable and tuner.

· Cords for this product and those for other prod-

ucts may be different colors even if they have the

same function. When connecting this product to

another product, refer to the supplied Installation

manuals of both products and connect cords that

have the same function.

3. Connect the speaker wires to the

speaker output terminals.

· Fix the speaker wires securely with the termi-

nal screws.

· Connect the speaker wires, passing them

through the terminal cover.

4. Push on the terminal cover.

Connecting the Speaker wires

The speaker output mode can be two-chan-

nel (stereo), one-channel (mono). Connect

the speaker leads to suit the mode accord-

ing to the figures shown below.

Two-channel mode (stereo)

One-channel mode (mono)

Connecting the Power Terminal

· Always use the special red battery and ground

wire [RD-223], which is sold separately. Connect

the battery wire directly to the car battery positive

terminal (+) and the ground wire to the car body.

1. Pass the battery wire from the

engine compartment to the interior

of the vehicle.

· After making all other connections to the

amplifier, connect the battery wire terminal of

the amplifier to the positive (+) terminal of

the battery.

2. Twist the battery wire, ground wire

and system remote control wire.

3. Attach lugs to wire ends. Lugs not

supplied.

· Use pliers, etc., to crimp lugs to wires.

4. Connect the wires to the terminal.

· Fix the wires securely with the terminal

screws.

Connecting the Speaker Output

Terminals

1. Expose the end of the speaker wires

by about 10 mm and twist using nip-

pers or a cutter.

2. Attach lugs to speaker wire ends.

Lugs not supplied.

· Use pliers, etc., to crimp lugs to wires.

10 mm

Fuse (30 A)

Engine

compart-

ment

Interior of

the vehicle

Drill a 14 mm

hole into the

vehicle body.

Insert the O-ring rubber

grommet into the vehicle

body.

Twist

Positive terminal

GND terminal

Power terminal

Battery wire

System remote

control terminal

System remote

control wire

Ground wire

Fuse (30 A)

Battery wire

Ground wire

Lug

(Left)

Speaker

(Right)

Speaker (Mono)

Twist

Speaker wire

Lug

Speaker

output

terminal

Speaker wire

Terminal screw

Terminal

cover

Front side

GM-X742

Power source .............................................................................................................. 14.4 V DC (10.8 -- 15.1 V allowable)

Grounding system ............................................................................................................................................ Negative type

Current consumption ........................................................................................................ 22.1 A (at continuous power, 4

)

Average current drawn* ............................................................................................................ 7.5 A (4

for two channels)

12.6 A (4

for one channel)

Fuse .......................................................................................................................................................................... 20 A

× 2

Dimensions ........................................................................................................................ 270 (W)

× 60 (H) × 193 (D) mm

Weight ...................................................................................................................... 3.2 kg (Leads for wiring not included)

Maximum power output .................................................................................................................... 160 W

× 2 / 480 W × 1

Continuous power output .......................................................... 80 W

× 2 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.08% THD)

200 W

× 1 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.8% THD)

120 W

× 2 (at 14.4 V, 2 , 20 -- 20,000 Hz, 0.8% THD)

Load impedance ............................................................................................................................ 4

(1 -- 8 allowable)

(Bridge connection: 2 -- 8

allowable)

Frequency response ............................................................................................................ 10 -- 50,000 Hz (+0 dB, 1 dB)

Signal-to-noise ratio ...................................................................................................................... 100 dB (IEC-A network)

Distortion ............................................................................................................................................ 0.005% (10 W, 1 kHz)

Separation ........................................................................................................................................................ 60 dB (1 kHz)

Low pass filter .................................................................................................................... Cut off frequency: 40 -- 120 Hz

Cut off slope: 12 dB/oct

High pass filter .................................................................................................................. Cut off frequency: 40 -- 120 Hz

Cut off slope: 12 dB/oct

Bass boost ...................................................................................................................................... Frequency: 40 -- 120 Hz

Gain: 0 -- 18 dB

Maximum input level/impedance .............................................................................................. 6.5 V/22 k

(0.4 -- 6.5 V)

Note:

· Specifications and the design are subject to possible modification without notice

due to improvements.

*Average current drawn

· The average current drawn is nearly the maximum current drawn by this unit

when an audio signal is input. Use this value when working out total current

drawn by multiple power amplifiers.

Specifications

GM-X942

Power source .............................................................................................................. 14.4 V DC (10.8 -- 15.1 V allowable)

Grounding system ............................................................................................................................................ Negative type

Current consumption ........................................................................................................ 26.1 A (at continuous power, 4

)

Average current drawn* ............................................................................................................ 8.5 A (4

for two channels)

14.6 A (4

for one channel)

Fuse .......................................................................................................................................................................... 30 A

× 2

Dimensions ........................................................................................................................ 270 (W)

× 60 (H) × 250 (D) mm

Weight ...................................................................................................................... 4.0 kg (Leads for wiring not included)

Maximum power output .................................................................................................................... 200 W

× 2 / 600 W × 1

Continuous power output ........................................................ 100 W

× 2 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.08% THD)

300 W

× 1 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.8% THD)

150 W

× 2 (at 14.4 V, 2 , 20 -- 20,000 Hz, 0.8% THD)

Load impedance ............................................................................................................................ 4

(1 -- 8 allowable)

(Bridge connection: 2 -- 8

allowable)

Frequency response ............................................................................................................ 10 -- 50,000 Hz (+0 dB, 1 dB)

Signal-to-noise ratio ...................................................................................................................... 105 dB (IEC-A network)

Distortion ............................................................................................................................................ 0.005% (10 W, 1 kHz)

Separation ........................................................................................................................................................ 65 dB (1 kHz)

Low pass filter .................................................................................................................... Cut off frequency: 40 -- 120 Hz

Cut off slope: 12 dB/oct

High pass filter .................................................................................................................. Cut off frequency: 40 -- 120 Hz

Cut off slope: 12 dB/oct

Bass boost ...................................................................................................................................... Frequency: 40 -- 120 Hz

Gain: 0 -- 18 dB

Maximum input level/impedance .............................................................................................. 6.5 V/22 k

(0.4 -- 6.5 V)

Note:

· Specifications and the design are subject to possible modification without notice

due to improvements.

*Average current drawn

· The average current drawn is nearly the maximum current drawn by this unit

when an audio signal is input. Use this value when working out total current

drawn by multiple power amplifiers.

CAUTION

· Do not install in:

--Places where it could injure the driver or pas-

sengers if the vehicle stops suddenly.

--Places where it may interfere with the driver,

such as on the floor in front of the driver's

seat.

· Make sure that wires are not caught in the sliding

mechanism of the seats, resulting in a short-cir-

cuit.

· Confirm that no parts are behind the panel when

drilling a hole for installation of the amplifier.

Protect all cables and important equipment such

as fuel lines, brake lines and electrical wiring

from damage.

· Install tapping screws in such a way that the screw

tip does not touch any wire. This is important to

prevent wires from being cut by vibration of the

car, which can result in fire.

· To prevent electric shock, do not install the ampli-

fier in places where it might come in contact with

liquids.

· To ensure proper installation, use the supplied

parts in the manner specified. If any parts other

than the supplied ones are used, they may damage

internal parts of the amplifier, or they may

become loose causing the amplifier to shut down.

To prevent malfunction

· To ensure proper heat dissipation of the amplifier,

be sure of the following during installation.

--Allow adequate space above the amplifier for

proper ventilation.

--Do not cover the amplifier with a floor mat or

carpet.

· Do not install the amplifier near a door where it

may get wet.

· Do not install the amplifier on unstable places

such as the spare tire board.

· The best location for installation differs with the

car model and installation location. Secure the

amplifier at a sufficiently rigid location.

· Make temporary connections first and check that

the amplifier and the system operate properly.

· After installing the amplifier, confirm that the

spare tire, jack and tools can be easily removed.

Example of installation on the floor

mat or on the chassis

1. Place the amplifier where it is to be

installed. Insert the supplied tapping

screws (4

× 18 mm) into the screw

holes. Push on the screws with a

screwdriver so they make marks

where the installation holes are to be

located.

2. Drill 2.5 mm diameter holes at the

point marked, and install the ampli-

fier, either on the carpet or directly

to the chassis.

Installation

Drill a 2.5 mm diameter hole

Tapping-screws

× 18 mm)

Floor mat

or chassis

Antes de usar este producto

Muchas gracias por la adquisición de este

producto PIONEER. Antes de tratar de

operarlo, lea atentamente este manual.

Composición de manual

Este manual se aplica a los modelos

GM-X942 y GM-X742. Sin embargo, las

ilustraciones solamente muestran el

GM-X942.

En caso de desperfectos

Si esta unidad no funciona correctamente,

póngase en contacto con su distribuidor o

con el Centro de Servicio PIONEER

autorizado más cercano.

ADVERTENCIA

· Siempre utilice el cable de batería rojo especial y

el cable de tierra [RD-223], vendidos separada-

mente. Conecte el cable de batería directamente al

terminal positivo de la batería del vehículo (+) y el

cable de tierra a la carrocería del vehículo.

· No toque en el amplificador con las manos

mojadas. Caso contrario, usted puede llevar un

choque eléctrico. Igualmente, no toque en el

amplificador cuando esté mojado.

· Para seguridad del tráfico y para mantener condi-

ciones de conducción seguras, mantenga el volu-

men suficientemente bajo de manera que aun se

pueda escuchar el sonido del tráfico normal.

· Verifique las conexiones del suministro de energía

y altavoces para ver si el fusible del cable de

batería vendido separadamente o el fusible del

amplificador se queman. Detecte la causa y solu-

cione el problema, y reemplace el fusible con un

otro del mismo tamaño y régimen.

· Para evitar mal funcionamiento del amplificador y

altavoces, el circuito de protección cortará la ali-

mentación al amplificador (el sonido se detendrá)

cuando se produzca una situación anormal. En tal

caso, apague el sistema y verifique la conexión de

la alimentación y altavoces. Detecte la causa y

resuelva el problema.

· Contacte a su distribuidor si no puede detectar la

causa.

· Para evitar choques eléctricos o cortocircuitors

durante la conexión e instalación, asegúrese de

desconectar el terminal negativo () de la batería

antes de proceder.

· Confirme que ninguna parte quede detrás del

panel, cuando perfore un orificio para la insta-

lación del amplificador. Asegúrese de proteger

todos los cables y equipos importantes, tales como

líneas de combustibles, líneas de frenos y el

cableado eléctrico.

Ajuste de esta unidad

Control de ganancia

Si el nivel del sonido está muy bajo, aún

cuando se aumenta el volumen del

equipo estéreo para automóvil usado con

este amplificador de potencia, gire a la

izquierda el control de ganancia en la

parte delantera del amplificador de

potencia. Si hay distorsión del sonido

cuando se aumenta el volumen del

equipo estéreo de automóvil, gire los

controles a la izquierda.

· Cuando se usa un estéreo de automóvil

equipado con RCA (salida estándar de

500 mV), ajuste a la posición normal.

Cuando use con un estéreo de automóvil

Pioneer equipado con RCA con una salida

máxima de 4 V o más, ajuste el nivel para

adecuarse al nivel de salida del estéreo del

automóvil.

Control de frecuencia de corte

Si se ajusta el interruptor de selección

LPF/HPF a LPF (o HPF), se puede

seleccionar una frecuencia de corte de

40 a 120 Hz.

Indicador de alimentación

El indicador de alimentación se ilumina

cuando la unidad se encuentra activada.

Control del nivel de refuerzo de

graves

El control del nivel de refuerzo de graves

puede reforzar el nivel alrededor de la

frecuencia seleccionada por el control de

la frecuencia de refuerzo de graves de 0

a 18 dB.

Control de la frecuencia de

refuerzo de graves

Se puede seleccionar una frecuencia

de refuerzo de graves desde 40 a

120 Hz con el control de refuerzo de

graves.

· El control del nivel de refuerzo de graves

y control de la frecuencia de refuerzo de

graves se pueden ajustar solamente

cuando el interruptor LPF/HPF está ajusta-

do a una posición diferente de HPF.

Interruptor BFC (Control de la

frecuencia de batido)

Si escucha sonidos de batido mientras

está recibiendo una emisora de AM con

su estéreo de automóvil, cambie el

interruptor BFC usando un

destornillador pequeño.

Interruptor de selección LPF (Filtro de paso bajo)/HPF (Filtro de paso

alto)

Ajuste el interruptor de selección LPF/HPF de la manera siguiente, de

acuerdo al tipo de altavoz que se encuentra conectado al conector de salida

de altavoz y al sistema estéreo de automóvil:

Interruptor de

Gama de frecuencia de

Tipo de

Observaciones

selección LPF/HPF

audio a ser generada

altavoz

LPF (izquierda)

* -- 40 a 120 Hz

Altavoz de graves

Conecte a un altavoz

secundario

de graves secundario.

OFF (central)

Gama completa

HPF (derecha)

* 40 a 120 Hz --

Gama completa

Utilice si desea cortar

la gama de frecuencia*

muy baja debido a que

no es necesaria para el

altavoz que está usando.

* Consulte a "Control de frecuencia de corte".

Diagrama de conexión

Conexión de la unidad

GM-X942

Canal de altavoces

Tipo de altavoz

Alimentación

Dos canales

Altavoz de graves secundario

Entrada nominal: 120 W mín.

Diferente a un altavoz de graves secundario

Entrada máxima: 200 W mín.

Uno canal

Altavoz de graves secundario

Entrada nominal: 330 W mín.

Diferente a un altavoz de graves secundario

Entrada máxima: 600 W mín.

GM-X742

Canal de altavoces

Tipo de altavoz

Alimentación

Dos canales

Altavoz de graves secundario

Entrada nominal: 100 W mín.

Diferente a un altavoz de graves secundario

Entrada máxima: 160 W mín.

Uno canal

Altavoz de graves secundario

Entrada nominal: 270 W mín.

Diferente a un altavoz de graves secundario

Entrada máxima: 480 W mín.

Ojal

Entrada RCA

Cable de batería rojo especial [RD-223]

(en venta por separado).

Después de realizar todas las conexiones al amplificador,

conecte el terminal del conductor de batería del amplifi-

cador al terminal positivo (+) de la batería.

Cable de puesta a tierra (negro) [RD-223]

(en venta por separado).

Conecte a una carrocería metálica o chasis.

Amplificador con

tomas con conector

de entrada RCA

GM-X942: Fusible (30 A)

× 2

GM-X742: Fusible (20 A)

× 2

Estéreo de automóvil

con tomas con

conector de salida

RCA

Salida externa

Conexión de cables con los

enchufes de conector RCA

(en venta por separado).

Tomas de conector de entrada RCA

Tomas de conector

de salida RCA

Terminal de salida de

altavoz.

Vea la sección "Conexión

de los cables de altavo-

ces" para las instruc-

ciones de conexión del

altavoz.

Cable del control remoto del sistema (en venta por separado).

Conecte el terminal macho de este hilo al terminal de control remoto

de sistema del equipo estéreo para automóvil (SYSTEM REMOTE

CONTROL). El terminal hembra puede ser conectado al terminal de

control del relé de antena. Si el estéreo de automóvil no tiene un

terminal de control remoto del sistema, conecte el terminal macho al

terminal de alimentación a través del interruptor de encendido.

Fusible (30 A)

PRECAUCION

· Quite el terminal negativo () de la batería para

evitar riesgo de cortocircuitos y daño a la unidad.

· Asegure el alambrado con abrazaderas de cable o

cinta adhesiva. Para proteger el alambrado, envuel-

va cinta adhesiva alrededor de ellos en donde con-

tacta con partes metálicas.

· No tienda cables por donde puedan calentarse, por

ejemplo donde el calentador sople sobre ellos. Si

la aislación se calienta, podría resultar dañada,

resultando en cortocircuito a través de la carro-

cería del vehículo.

· Asegúrese que los alambres no interfieran con

partes móviles del vehículo como la palanca de

cambios, el freno de mano o el mecanismo de

deslizamiento de los asientos.

· No corte ningún cable. De otra manera, el circuito

de protección podría no funcionar cuando debiera.

· Nunca alimente otro equipo cortando la aislación

del cable de alimentación y conectándolo al cable.

La capacidad de corriente del cable será excedida,

causando sobrecalentamiento.

Para prevenir de daños

· No conecte a tierra (masa) el cable del altavoz

directamente ni conecte un cable negativo () a

varios altavoces.

· Esta unidad es para vehículos con una batería de

12 voltios y terminal negativo a tierra. Antes de

instalar en un vehículo de recreación, camión u

ómnibus, verifique el voltaje de la batería.

· Si el sistema estereofónico del coche está funcionan-

do por un largo período de tiempo mientras el motor

permanece inactivo o en marcha al ralentí, la batería

puede agotarse. Apague el estéreo de automóvil

cuando el motor se encuentre funcionando en mar-

cha al ralenté o permanece in activo.

· Si el cable del control remoto del sistema del

amplificador se conecta al terminal de ali-

mentación a través del interruptor de encendido

(12 V de CC), el amplificador estará siempre acti-

vado cuando el encendido está activado, sin con-

siderar de si el estéreo de automóvil se encuentra

activado o desactivado. Debido a esto, la batería

puede agotarse si deja el motor funcionando en

marcha al ralentí o permanece inactivo.

· Los altavoces a ser conectados al amplificador

deben estar conforme con las normas listadas

debajo. Si no cumplen con las normas, pueden

combustionar, emitir humos o dañarse. La impe-

dancia del altavoz debe ser de 1 a 8 ohmios para

conexiones estéreo, y de 2 a 8 ohmios para cone-

xiones monaurales y acoplamientos en derivación.

· Instale y coloque el cable de batería vendido sepa-

radamente lo más alejado posible de los cables de

los altavoces. Instale y coloque el cable de batería

y cable de tierra vendidos separadamente, los

cables de los altavoces, y el amplificador lo más

alejados posible de la antena, cable de antena y

sintonizador.

· Los cables para esta unidad y aquéllas para las

unidades pueden ser de colores diferentes aun si

tienen la misma función. Cuando se conecta esta

unidad a otra, refiérase a los manuales de insta-

lación de ambas unidades y conecte los cables

que tienen la misma función.

Conexión del terminal de

alimentación

· Siempre utilice el cable de batería rojo especial y

el cable de tierra [RD-223], vendidos separada-

mente. Conecte el cable de batería directamente al

terminal positivo de la batería del vehículo (+) y el

cable de tierra a la carrocería del vehículo.

1. Pase el cable de batería desde el

compartimiento del motor al interior

del vehículo.

· Luego de hacer todas las otras conexiones al

amplificador, conecte el terminal del conduc-

tor de batería del amplificador al terminal

positivo (+) de la bateria.

2. Tuerza el cable de batería, cable de

puesta a tierra y cable de control

remoto del sistema.

3. Fije las orejetas a los extremos de los

cables. Orejetas no suministrados.

· Utilice alicates, etc. para plegar las orejetas a

los cables.

4. Conecte los cables al terminal.

· Fijar los cables firmemente utilizando los

tornillos para terminales.

Conexión del terminal de salida de

altavoz

1. Desnude la extremidad de los cables

de altavoces por aproximadamente

10 mm y tuérzala utilizando alicates

o una tajadera.

2. Fije las orejetas a los extremos de los

cables de altavoz. Orejetas no

suministrados.

· Utilice alicates, etc. para plegar las orejetas a

los cables.

10 mm

Fusible (30 A)

Comparti-

miento del

motor

Interior del

vehículo

Perfore un orifi-

cio de 14 mm en

la carrocería del

vehículo.

Inserte el ojal de caucho

de la junta tórica en la

corrocería del vehículo.

Terminal positivo

Fusible (30 A)

Terminal GND

Terminal

POWER

Cable de batería

Terminal de control

remoto del sistema

Cable del control

remoto del sistema

Cable de puesta

a tierra

Cable de batería

Cable de

puesta a tierra

Tuérzala

Orejeta

3. Conecte los cables de altavoz al

terminal de salida de altavoz.

· Fije los cables firmemente utilizando los

tornillos para terminales.

· Conecte los hilos de altavoz, pasándolos a

través de la cubierta de los terminales.

4. Empuje la cubierta de los

terminales.

Conexión de los cables de

altavoces

El modo de salida de altavoces puede ser

en dos canales (estéreo) o uno canal

(monoaural). Conecte los cables de altavoz

para ajustarse al modo según los diagramas

mostrados abajo.

Modo de dos canales (estéreo)

Modo de uno canal (mono)

(Izquierdo)

Altavoz

(Derecho)

Altavoz (Monoaural)

Tuérzala

Cable de altavoz

Orejeta

Terminal

de salida

de altavoz

Torrillo de terminal

Cubierta de

los terminales

Cable de

altavoz

Lado trasero

Lado delantero

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