Onkyo SKSHT-150 Service Manual
SERVICE MANUAL
Ref. No. SS0306
SERVICE MANUAL
SPEAKER SYSTEM
MODEL SKS-HT150
SKW-150 / SKF-150F / SKC-150C / SKM-150M
SKS-HT150
032003
Black models
120V AC, 60HzDD
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.
SPECIFICATION
Type Bass-reflex with built-in power amplifier
Frequency response 30 Hz-150 Hz
Output power 150 W Dynamic
Input sensitivity 220 mV
Input impedance 15 kΩ
Woofer 8-inch cone type
Power supply AC 120 V, 60 Hz
Power consumption 75 W
Dimensions (W×H×D) 9-1/4" × 20-3/8" × 16-3/16" / 235 × 518 × 411 mm
Weight 27.8 lbs. / 12.6 kg
Specifications and appearance may subject to change for improvement without prior notice.
Model SKF-150F
Type 2 way Bass-reflex front speaker
Impedance 8 Ω
Maximum input power 100 W
Output sound pressure level 83 dB/W/m
Frequency response 55 Hz-35,000 Hz
Woofer 5-1/4-inch cone type
Tweeter 1-inch balanced dome type
Dimensions (W×H×D) 6-3/16" × 15-1/4" × 9-1/16" / 157 × 387 × 230 mm
Weight 7.5 lbs. / 3.4 kg
Others Magnetic shielding
SKS-HT150
Model SKC-150C
Type 2 way Bass-reflex center speaker
Impedance 8 Ω
Maximum input power 100 W
Output sound pressure level 85 dB/W/m
Frequency response 65 Hz-35,000 Hz
Woofer 4-inch cone type × 2
Tweeter 1-inch balanced dome type
Dimensions (W×H×D) 15-1/4" × 6-3/16" × 7-13/16" / 387 × 157 × 199 mm
Weight 7.7 lbs. / 3.5 kg
Others Magnetic shielding
Model SKM-150S
Type 2 way Bass-reflex surround speaker
Impedance 8 Ω
Maximum input power 100 W
Output sound pressure level 82 dB/W/m
Frequency response 65 Hz-35,000 Hz
Woofer 4-inch cone type
Tweeter 1-inch balanced dome type
Dimensions (W×H×D) 6-15/16" × 9-1/4" × 4-15/16" / 175 × 235 × 125 mm
Weight 3.5 lbs. / 1.6 kg
Specifications and appearance may subject to change for improvement without prior notice.
SKW-150
TO RB401
R501
22K
R385
200
R518
10K
2SC945
Q502
Q501
2SC945
R502
1K
R515
10K
C505
10u/50
IC502-B
R573
1K
5
6
D305
R512
120K
8
R512
20K
7
C504
10u/50
D308
R518
680
C502
2.2uF
R526
10K
R519
10K
C512
22u/25
R505
4.7K
R508
1M
1
C508
4
2
3
R520
47K
C509
100p
R507
200K
IC502-A
C503
2.2uF
R509
10K
IC501
R506
39K
R525
22K
C507
.001uF
C513
22u / 25
C514 10uF
R522
33K
R521
22K
C518
22u / 25
R523
10K
D507
C515
10uF
R524
4.7
C510
.1uF
CN501
R370
10K
C358
22u/50
+12V
-12V
C412
.022uF
C413
.022uF
C414
.22uF
C415
.22uF
C410
47u/15
C411
47u/15
R411
100
R470
100
C919
100u/25
C917
100u/25
+12V
C918
.7uF
ZD902
75V
ZD901
75V
+VCC
R903 620/2W
C909
.7uF
C870
.1uF
R902
1K/2W
-VEE
C907
.022uF
C908
.022uF
C908
4700u/50
47455-078
C905
4700u/50
C915
.7uF
RS-402
DB901
F903
T4AL/250V
F902
T4AL/250V
T807
A
SCHEMATIC DIAGRAM
BCDEFGH
1
2
3
TO RB301
R305
2.2uF
C351
47K
CN301
R351
100K
R352
Q301
2SC945
R354
2K
R355
C305
0.22uF
C385
100u/16
C304
1uF
C353
47p
C352
.1uF
R384
2.2K
C401
R304
R402
10K
R356
R355
Q302
2SC945
C402
2
3
R401
150K
LM324
IC1-A
R358
270K
C354
R359
270K
R357
U1
R403
22K
R380
10K
R361
C418
200p
C404
0.068uF
R362
1K
C355
47p
13
12
R404
150K
R383
C403
0.068uF
1
MAIN PC BOARD
(LVM0199C011)
C405
0.033uF
D302
C419
200p
R406
56K
C357
220u/18
LM324
IC1-B
14
D307
C358
10u/16
R405
15K
R364
220K
9
10
C408
0.0058uF
R385
1M
IC401-C
8
R366
680K
R387
82K
C407
1uF
R368
R407
4.7K
ZD301
8V
R369
10K
CN302
1 2 3 4
C364
.1uF
C501
R372
330
C360
220u/16
TO RB401
TO CN302
JK301
CRP0008-001
4
5
R301
12K
C301
100p
JACK PC BOARD
(LVM0199C21)
C302
1uF
R302
6.8K
RB301
R303
10K
RB401
R370
Q303
2SC945
R377
33K
10K
R373
R374
CN401
R371
Q307
2SC945
10K
VR401
50K
LB401
U2U3
VOLUME PC BOARD
R375
R370
10K
R376
10K
(LVA0222C001)
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