ONKYO SKW-50 Service Manual

Cover page of ONKYO SKW-50 Service Manual

Service Manual for ONKYO SKW-50, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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  • The manual has 18 pages
  • File size: 0.36 MB
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SKW-50
Ref. No . 3699
SERVICE MANUAL
POWERED SUBWOOFER
MODEL SKW-50
MODEL SKW 50
R
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBER APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
MDD
120V AC,60Hz
072001
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SKW-50
Ref. No . 3699
SERVICE MANUAL
POWERED SUBWOOFER
MODEL SKW-50
MODEL SKW 50
R
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBER APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
MDD
120V AC,60Hz
072001
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Type
Bass-reflex with built-in power
Speaker
20-cm woofer
amplifier
Power supply
AC 120V,60Hz
Use
For superbass-range
Power consumption
70W
reproduction
Dimensions(W x H x D) 235 x 490 x 409(mm)
Frequency response
30-200Hz
9-1/4" x 19-5/16" x 16-1/8"
(at maximum crossover frequency)
Weight
12.5kg
Crossover frequency
50-200Hz(variable)
27.6lbs
Maximam output power 60W
Input impedance
4.7kohm
Pin connector cable(1pc.)
(for speaker-level input terminals)
Spacers(4pcs.)
12kohm
Instruction manual
(for low-level inputjacks)
Other
AUTO STANDBY ON/OFF
(with CANCELLING Switch)
Sensitivity
Speaker-level
2V
Line
45mV
Accessory
SKW-50
1. Replacing the fuse
This symbol located near the fuses indicates that the
fuse used is fast operating type. For continued protection against
fire hazard, replace with same type fuse. For fuse rating refer to
the marking adjacent to the symbol.
Ce symbole indique que le fusible utlise est a rapide.
Pour une protection permanente, n'untiliser que fusibles de
meme type. Ce darnier est la qu le present symbol est
appse.
CIRCUIT NO.
PART NO.
DESCRIPTION
F901
252253
2A-T/UL-ST2
252159 or
2A-UL/T237,Fuse or
SERVICE PROCEDURES
SPECIFICATIONS
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FREQUENCY
OUTPUT LEVEL
MIN
MAX
50Hz
200Hz
POWER
POWERED SUBWOOFER
R
SPEAKER LEVEL
INPUT
FROM
AMP/RECEIVER
AUTO STANDBY
LINE
INPUT
L
R
OFF
ON
OUTPUT
TO SPEAKERS
(MONO)
+
_
L+
_
R
+
_
L+
_
Power switch and indicator
Frequency adjusting knob
Output level adjusting knob
Speaker-level input terminals
Speaker-level output terminals
Low-level input jacks
Auto standby switch
To AC outlet
SKW-50
PANEL VIEW
background image
SKW-50
REAR PANEL CONNECTION
R
SPEAKER LEVEL
INPUT
FROM
AMP/RECEIVER
AUTO STANDBY
LINE
INPUT
L
R
OFF
ON
OUTPUT
TO SPEAKERS
(MONO)
+
_
L+
_
R
+
_
L+
_
Connection with amplifier's
special subwoofer jack
If your receiver(amplifier)is equipped with
a monaural subwoofer jack,connect it to the
SKW-50 Left (LINE INPUT)jack.
R
SPEAKER LEVEL
INPUT
FROM
AMP/RECEIVER
AUTO STANDBY
LINE
INPUT
L
R
OFF
ON
OUTPUT
TO SPEAKERS
(MONO)
+
_
L+
_
R
+
_
L+
_
L
R
Connection with a preamplifier
Preamplifier
Output terminals
R
SPEAKER LEVEL
INPUT
FROM
AMP/RECEIVER
OUTPUT
TO SPEAKERS
+
_
L+
_
R
+
_
L+
_
R
+
_
L+
_
Connection with receiver's(amplifier's)
speaker terminals
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OU
TPU
T
INP
UT
FR
OM
AMP
/R
EC
EIV
ER
TO
SP
EA
KE
RS
(MO
NO
)
SPEA
KER
LEV
EL
LIN
E
INPU
T
AUT
O S
TAN
DBY
L
R
OF
F
ON
B14
B28
B2
B23
B18
B27
B19 B20
B17
A18
A17
A13
A12
A8
U3
Q951
Q952
Q516
Q541
A1
Q515
R602
A3
A23
U1
T901
F901
U5
A19
A14
A20
P901
A16
A15
U2
U4
U9
U8
U7
B16
A11
B3
B10
B25
A6
A3
P535
A22
B8
B6
B14
B24
SKW-50
EXPRODED VIEW

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