JVC SP-PWE5 Schematics

SCHEMATIC DIAGRAMS

POWERED SUBWOOFER

SP-PWE5

CD-ROM No.SML200404

Area suffix

B ------------------------------- U.K.
EV -------------- Eastern Europe
A ------------------------- Australia

Contents

Block diagram
Standard schematic diagram
Printed circuit boards

COPYRIGHT 2004 VICTOR COMPANY OF JAPAN, LTD.

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2-2
2-3 to 5

No.MB239SCH

2004/4

In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor ( ), diode ( ) and ICP ( ) or identified by the " "
mark nearby are critical for safety.
(This regulation does not correspond to J and C version.)

Block diagram

J8101

INPUT

(LOW-LEVEL)

R

L/MONO

INPUT

L/H AMP.

IC811

-2/2

IC851

Q8501,Q8502

DC-DETECTOR

H.P.

FILTER

IC811

-1/2

Q8101
Q8102

DC-DET
PWR-DET
SIG-DET

FILTER

HPF-DET

5V

IC861

5V REG.

+9V,-9V

PROTECT

L.P.

IC812

-2/2

+9V

MUTE

CN811

CN821

PRE-OUT

+9V,-9V

DC-DET
SIG-DET

PROTECT

Q8701
Q8702

+9V,-9V

REG.

IC821

POWER

AMP.

+VL

-VL

Q8201 to Q8203

PROTECTOR

+VH

-VH

+VL

-VL

D8911

+VH/-VH

DIODE

BRIDGE

D8921

+VL/-VL

DIODE

BRIDGE

Q8204

OUTPUT

CURRENT

DETECTOR

PWR-DET

MUTE

F8911
F8921

RY881

RELAY

Q8801

RELAY

CONT.

CN891

SPEAKER

CN881

T8901
POWER
TRANS.

CN899

MAINS

F8901S8901

PLUG

LED

CONT.

IC813

-1/2

CN851

CN861

D8603

RED/GREEN

LED

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