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7

A

A

A

A

A

B

B

B

B

B

2

1

1

1

1

1

2

2

2

2

2

3

3

3

3

3

Turn on or off the LPF and HPF switch at the unit rear as illustrated below.
Activez ou désactivez le commutateur LPF et HPF situé à l’arrière de l’appareil, comme illustré ci-dessous.
Encienda o apague los interruptores LPF (filtro de paso bajo) y HPF (filtro de paso alto) situados en la
parte posterior de la unidad, como se muestra a continuación.

Ω

Ω

Ω

Ω

Ω

Ω

Ω

Ω

Ω

Ω

Ω

Ω

Notes
• In this system, the volume of the subwoofer will be

controlled by the car audio fader control.

• In this system, the output signals to the subwoofer will

be the combination of both the REAR L and R INPUT
jacks or the REAR high level input connector signals.

Remarques
• Dans ce système, le volume du caisson de basses est

contrôlé par le fader de l’autoradio.

• Dans ce système, les signaux de sortie vers le caisson de

basses sont une combinaison des signaux des prises
REAR L et R INPUT ou des signaux du connecteur
d’entrée à haut niveau REAR.

Ω

Ω

Ω

Ω

Ω

Ω

Note
In this system, the volume of the subwoofer will be
controlled by the car audio fader control.

Remarque
Dans ce système, le volume du caisson de basses est
contrôlé par le fader de l’autoradio.

Nota
En este sistema, el volumen de los altavoces
potenciadores de graves se controla mediante el
control de equilibrio entre altavoces del sistema de
audio.

Notas
• En este sistema, el volumen de los altavoces

potenciadores de graves se controla mediante el control
de equilibrio entre altavoces del sistema de audio.

• En este sistema, las señales de salida que recibe el

altavoz potenciador de graves serán la combinación de
las tomas REAR L y R INPUT o de las señales del conector
de entrada de nivel alto REAR.

8

Note : This set can be disassemble according to the following sequence.

Note : Follow the disassembly procedure in the numerical order given.

2-1.

MAIN BOARD SECTION
(Page 8)

SET

2-2.

FILTER BOARD
(Page 9)

2-3.

MAIN BOARD
(Page 9)

1

 two screws

     (+BTP 3

 

×

 6)

2

 two screws

     (+BTP 3

 

×

 6)

8

 CN801 (10P)

9

 CN804 (8P)

0

 CN813 (6P)

5

 three screws

     (+BTP 3

 

×

 10)

6

 three screws

     (+BTP 3

 

×

 10)

7

 three screws

     (+BTP 3

 

×

 10)

3

 plate bottom

4

 PWB insulating sheet

qa

 MAIN board section

9

2

 two screws

     (+PTT 2.6

 

×

 4)

3

 FILTER board

1

 CN811 (2P)

main heat sink

5

 two screws

     (+PTT 2.6

 

×

 4)

6

7

 LED-XPLOD board

4

 screw

     (+PTT 2.6

 

×

 4)

1

 three screws

     (+P 3

 

×

 8)

2

 screw

     (+P 3

 

×

 8)

3

 screw

     (+P 3

 

×

 8)

4

 front panel

5

 MAIN board

10

Note:
• All capacitors are in µF unless otherwise noted. (p: pF)

50 WV or less are not indicated except for electrolytics
and tantalums.

• All resistors are in 

Ω

 and 

1

/

4

 

W or less unless otherwise

specified.

•

%

: indicates tolerance.

•

A

: B+ Line.

•

B

: B– Line.

• Total current is measured with no-signal condition.
• Power voltage is dc 14.4V and fed with regulated dc power

supply from +12V and REM terminals.

• Voltage is dc with respect to ground under no-signal con-

dition.

• Voltages are taken with a VOM (Input impedance 10 M

Ω

).

Voltage variations may be noted due to normal produc-
tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-
tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F

: AUDIO

• X

: parts extracted from the component side.

•

: Pattern from the side which enables seeing.

(The other layer’s patterns are not indicated.)

Note:
The components identi-
fied by mark 

0

 or dotted

line with mark 

0

 are criti-

cal for safety.
Replace only with part
number specified.

Note:
Les composants identifiés par
une marque 

0

 sont critiques

pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.

Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)

pattern face are indicated.

Parts face side: Parts on the parts face side seen from the
(Side A)

parts face are indicated.