SKS-HT425
SERVICE MANUAL
SERVICE MANUAL
5.1CH HOME THEATER SPEAKER PACKAGE
Gray model
MODEL
SKS-HT425(GY)
120V AC, 60Hz
MDD
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).
SKS-HT425
PACKING PROCEDURE
SKS-HT425
L = 15 ft.
(22# 4.5 m)
(White / Black)
L = 15 ft.
(22# 4.5 m)
(Red / Black)
L = 30 ft.
(22# 9 m)
(Blue / Black)
L = 10 ft.
(22# 3 m)
(Green / Black)
L = 10 ft.
(3 m)
(Black / RCA)
L = 30 ft.
(22# 9 m)
(Gray / Black)
01
02
03
07
04
05
05
05
06
05
09
10
11
11
15
08
12
13
14
1/2 PAGE
SKS-HT425
EXPLODED VIEW PARTS LIST
REF. NO.
PART NAME
DESCRIPTION
Q'TY PART NO. (SN)
MARK
EXPLODED
SKW-420 (GY) : POWERED SUBWOOFER
EXPLODED
<Note>
EXPLODED
EXPLODED VIEW (SKW-420) ---> Refer to service manual of "HTP-420" (Ref. No. : 3808).
EXPLODED
SP01
CABINET ASS'Y
---
1
ANW8W670SBM10
EXPLODED
SP02
FOOT
D87.5 x D37.5 x H50 HIPS BLK
4
BPE8000040001
EXPLODED
SP03
STAND BOARD
TF-917-28
1
ANF86007-BM10
EXPLODED
SP04
FRONT PLATE
SKW-420 / ONKYO NAME PLATE
1
BPL8001470001
EXPLODED
SP05
WOOD SCREW
D8 x D4 x L75 (FOR FOOT)
8
NST8550514750
EXPLODED
SP06
WOOD SCREW
4STT+20A (FOR AMPLIFIER / SP)
18
837440204
EXPLODED
SP08
WOOFER SPEAKER
20cm 4ohm 50W
1
W20178A
EXPLODED
A01
REAR PANEL
"SKW-420" SPCC 190 x 120 x T2.0mm
1
GSE4001750001
EXPLODED
A02
AC CORD
LINE CORD 2P 1800mm BLK POLARIZE
1
VPA0040120010
!
EXPLODED
A03
BUSHING
AC LINE BUSHING
1
DBU001002-0011
!
EXPLODED
A04
POWER TRANSFORMER
AC120V / 60Hz 100W
1
TTI1120010120
!
EXPLODED
A05
SCREW
M4.0 x P0.7 x L25mm (FOR TRANS)
4
HSD1431033250
EXPLODED
F902, F903
FUSE
4A / 250V SLOW WALT
2
KSA0204000011
!
EXPLODED
U01
MAIN PC BOARD ASS'Y
MAIN PC BOARD ASS'Y
1
APE4012115001
EXPLODED
<Note>
EXPLODED
U01 : MAIN PC BOARD ASS'Y = PCB BRACKET + HEAT SINK + ALL PARTS FOR MAIN PC BOARD
EXPLODED
U02
INPUT PC BOARD ASS'Y
INPUT PC BOARD ASS'Y
1
APE4012125001
EXPLODED
<Note>
EXPLODED
U02 : INPUT PC BOARD ASS'Y = INPUT PC BOARD with RCA JACK + CORD ASS'Y
EXPLODED
U03
VR / LED PC BOARD ASS'Y VR / LED PC BOARD ASS'Y
1
APE4012135001
EXPLODED
<Note>
EXPLODED
U03 : VR/ LED PC BOARD ASS'Y = VR / LED PC BOARD with VR / LED / CORD ASS'Y etc.
EXPLODED
SKF-425F (GY) : FRONT SPEAKERS L / R
EXPLODED
SP10
COMPLETE UNIT
"SKF-425F (GY) L"
1
ANM8M675S-BM10
EXPLODED
SP11
BACK LABEL (L)
WITHOUT SERIAL NUMBERING
1
YLB810007-FL10
EXPLODED
SP12
COMPLETE UNIT
"SKF-425F (GY) R"
1
ANM8M675S-BM11
EXPLODED
SP13
BACK LABEL (R)
WITHOUT SERIAL NUMBERING
1
YLB810007-FR10
EXPLODED
SKC-425C (GY) : CENTER SPEAKER
EXPLODED
SP14
COMPLETE UNIT
"SKC-425C (GY)"
1
ANC8C675S-BM10
EXPLODED
SP15
BACK LABEL
WITHOUT SERIAL NUMBERING
1
YLB810007-C010
EXPLODED
SKM-425S (GY) : SURROUND SPEAKERS L / R
EXPLODED
SP16
COMPLETE UNIT
"SKM-425S (GY) L"
1
ANU8S675S-BM10
EXPLODED
SP17
BACK LABEL (L)
WITHOUT SERIAL NUMBERING
1
YLB810007-SL10
EXPLODED
SP18
COMPLETE UNIT
"SKM-420S (GY) R"
1
ANU8S675S-BM11
EXPLODED
SP19
BACK LABEL (R)
WITHOUT SERIAL NUMBERING
1
YLB810007-SR10
NOTE : THE COMPONENTS IDENTIFIED BY THE MARK
! ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH PART
NUMBER SPECIFIED.