Onkyo SKS-HT425 Service Manual

SKS-HT425

SERVICE MANUAL

SERVICE MANUAL

5.1CH HOME THEATER SPEAKER PACKAGE

Gray model

MODEL SKS-HT425(GY)

120V AC, 60HzMDD

Ref. No. 3840

092004

Front Speakers (L / R)

"SKF-425F"

Center Speaker

"SKC-425C"

Surround Speakers (L / R)

"SKM-425S"

Powered Subwoofer

"SKW-420"

SAFETY-RELATED COMPONENT
WARNING!!

COMPONENTS IDENTIFIED BY MARK ON THE

SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE

CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.

REPLACE THESE COMPONENTS WITH ONKYO

PARTS WHOSE PART NUMBERS 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.

SPECIFICATIONS

SKS-HT425

Type :
Input sensitivity/impedance :
Maximum output power :
Frequency response :
Cabinet capacity :
Dimensions (W x H x D) :

Weight :
Speaker :
Power supply :
Power consumption :
Other :

Powered Bass-reflex

220 mV / 15 k ohm

150 W (Dynamic Power)

30 Hz - 150 Hz

1.15 cubic feet (32.5 Litter)

9-1/4" x 20-3/8" x 16-3/16"

(235 x 518 x 411 mm)

28.2 lbs. (12.8 kg)

8 inch Cone

AC 120 V, 60 Hz

75 W

Auto-standby function

Front Speaker (SKF-425F)

Type :
Impedance :
Maximum input power :
Output sound pressure level :
Frequency response :
Crossover frequency :
Cabinet capacity :
Dimensions (W x H x D) :

Weight :
Speaker :
Woofer :
Tweeter :
Terminal :
Other :

2 Way Bass-reflex

8 ohm

100 W

76 dB/W/m

70 Hz - 50 kHz

4.5 kHz

0.042 cubic feet (1.2 Litter)

4" x 6-5/8" x 5-3/8"

(101 x 169 x 136 mm)

2.6 lbs. (1.2 kg)

3-1/8 inch Cone

1 inch Balanced Dome

Spring type Color coded

Magnetic shielding

Type :
Impedance :
Maximum input power :
Output sound pressure level :
Frequency response :
Crossover frequency :
Cabinet capacity :
Dimensions (W x H x D) :

Weight :
Speaker :
Woofer :
Tweeter :
Terminal :
Other :

2 Way Bass-reflex

8 ohm

100 W

78 dB/W/m

70 Hz - 50 kHz

4.5 kHz

0.067 cubic feet (1.9 Litter)

10-3/8" x 3-3/4" x 5-3/8"

(264 x 96 x 136 mm)

4.4 lbs. (2.0 kg)

3-1/8 inch Cone x 2

1 inch Balanced Dome

Spring type Color coded

Magnetic shielding

Surround Speaker (SKM-425S)

Type :
Impedance :
Maximum input power :
Output sound pressure level :
Frequency response :
Crossover frequency :
Cabinet capacity :
Dimensions (W x H x D) :

Weight :
Speaker :
Woofer :
Tweeter :
Terminal :

2 Way Bass-reflex

8 ohm

100 W

79 dB/W/m

70 Hz - 30 kHz

10 kHz

0.042 cubic feet (1.2 Litter)

4" x 6-5/8" x 5-3/8"

(101 x 169 x 136 mm)

1.8 lbs. (0.8 kg)

3-1/8 inch Cone

3/4 inch Ceramic

Spring type Color coded

Specifications and appearance are subject to change

without prior notice.

Powered Subwoofer (SKW-420) Center Speaker (SKC-425C)

SKS-HT425

SKS-HT425

EXPLODED VIEW

SKF-425F / SKC-425C / SKM-425S

SP13

SP10 SP12

SP17 SP19

SP16 SP18

SP14

SP15

SP11

"SKF-425F <L>" "SKF-425F <R>"

"SKC-425C"

"SKM-425S <R>""SKM-425S <L>"

TERMINAL :
White / Black

TERMINAL :
Red / Black

TERMINAL :
Green / Black

TERMINAL :
Blue / Black

TERMINAL :
Gray / Black

NOT MAGNETICALLY SHIELDED NOT MAGNETICALLY SHIELDED

<Note>

SKW-420 ---> Refer to service manual of "HTP-420" (Ref. No. : 3808).