Onkyo HTP-240 Service Manual

SERVICE MANUAL

SERVICE MANUAL

5.1-CH HOME THEATER SPEAKER PACKAGE

MODEL HTP-240(S)

6.1-CH HOME THEATER SPEAKER PACKAGE

MODEL SKS-HT240(S)

HTP-240/SKS-HT240

Ref. No. 3801

032004

Front Speakers (L / R)

"SKF-240F"

Center Speaker

"SKC-240C"

Items Supplied with SKS-HT240 Only

Surround Back Speaker "SKB-240"

Surround Speakers (L / R)

"SKM-240S"

Silver model

S CDD

120 V AC, 60Hz

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.

Powered Subwoofer

"SKW-240"

SPECIFICATIONS

Powered Subwoofer (SKW-240) Center Speaker (SKC-240C)

HTP-240/SKS-HT240

Type :

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

Weight :
Drive unit :
Power supply :
Power consumption :
Other :

Front Speaker (SKF-240F)

Bass reflex with built-in

power amplifier

220 mV / 15 k ohm

150 W Dynamic

27 Hz - 150 Hz

70 dB

38.5 L

10-13/16" x 20-3/8" x 16-3/16"

(275 x 518 x 411 mm)

30.9 lbs. (14 kg)

8" cone woofer

AC 120 V, 60 Hz

75 W

Auto Standby function

Type :

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

Weight :
Speaker :

Other :

2-way bass reflex center

speaker

8 ohm

100 W

82 dB/W/m

65 Hz - 35 kHz

5 kHz

2.6 L

17-5/16" x 5-1/8" x 3-9/16"

(439 x 130 x 91 mm)

5.1 lbs. (2.3 kg)

3-1/8" cone woofer x 2

1" balanced-dome

tweeter

Magnetic shielding

Surround Speaker (SKM-240S/SKB-240)

Type :

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

Weight :
Drive unit :

Other :

2-way bass reflex front

speaker

8 ohm

100 W

82 dB/W/m

55 Hz - 35 kHz

5 kHz

3 L

5-1/8" x 19-11/16" x 3-9/16"

(130 x 500 x 91 mm)

5.5 lbs. (2.5 kg)

3-1/8" cone woofer x 2

1" balanced-dome

tweeter

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 :

Other :

Specifications and appearance are subject to change

without prior notice.

2-way bass reflex

surround/surround back

speaker

8 ohm

100 W

80 dB/W/m

65 Hz - 35 kHz

6.5 kHz

2 L

5-1/8" x 13-3/8" x 3-9/16"

(130 x 340 x 91 mm)

3.5 lbs. (1.6 kg)

3-1/8" cone woofer

1" balanced-dome

tweeter

Magnetic shielding

EXPLODED VIEWS-1

SKW-240 : POWERED SUBWOOFER

A02

A03

U01

HTP-240/SKS-HT240

SP06

x 10 pcs.

A01

Refer to "EXPLODED VIEWS-2"

U03

U02

A05 x 4 pcs.

F903

F902

<Note>

IC501---> Refer to "PRINTED CIRCUIT BOARD PARTS LIST"

A04

HTP-240/SKS-HT240

EXPLODED VIEWS-2

SKW-240 : POWERED SUBWOOFER

HTP-240/SKS-HT240

SP01

SP08

SP07

x 8 pcs.

SP04

SP02

x 4 pcs.

SP03

HTP-240/SKS-HT240

SP05

x 8 pcs.

EXPLODED VIEWS-3

SKF-240F / SKC-240C / SKM-240S / SKB-240

HTP-240/SKS-HT240

SP10

SP11

TERMINAL :
White / Black

SP16

SP12

SP13

TERMINAL :
Red / Black

"SKF-240F (L)" "SKF-240F (R)"

SP18

SP15

TERMINAL :
Green / Black

"SKC-240C"

SP20

SP14

SP17

TERMINAL :
Blue / Black

SP19

TERMINAL :
Gray / Black

S21

HTP-240/SKS-HT240

TERMINAL :
Brown / Black

"SKB-240"

"SKM-240S (R)""SKM-240S (L)"

"SKS-HT240" Only

BLOCK DIAGRAM

SKW-240 : POWERED SUBWOOFER

HTP-240/SKS-HT240

HTP-240/SKS-HT240

SCHEMATIC DIAGRAM

SKW-240 : POWERED SUBWOOFER

HTP-240/SKS-HT240

A

1

2

3

4

5

BCDEFGH

LINE
INPUT

OUTPUT
LEVEL

AC 120V / 60Hz

INPUT PC BOARD

U02

MAIN PC BOARD

U01

VR / LED PC BOARD

U03

NC

LED
RED : STANDBY MODE
GREEN : ON

Note :

NC = No mount of parts.

HTP-240/SKS-HT240

SPEAKER

MAIN PC BOARD

NC

NC

HTP-240/SKS-HT240

SCHEMATIC DIAGRAM

SKW-240 : POWERED SUBWOOFER

A

1

2

3

4

5

BCDEFGH

LINE
INPUT

OUTPUT
LEVEL

AC 120V / 60Hz

SPEAKER

INPUT PC BOARD

U02

MAIN PC BOARD

U01

VR / LED PC BOARD

U03

NC

NC

NC

LED
RED : STANDBY MODE
GREEN : ON

Note :

NC = No mount of parts.

PC BOARD CONNECTION DIAGRAM

SKW-240 : POWERED SUBWOOFER

INPUT PC BOARD

HTP-240/SKS-HT240

MAIN PC BOARD

VR / LED PC BOARD

HTP-240/SKS-HT240

HTP-240/SKS-HT240

A

PRINTED CIRCUIT BOARD VIEW

SKW-240 : POWERED SUBWOOFER

MAIN PC BOARD

U01

1

2

BCD

3

4

INPUT PC BOARD

U02

5

VR / LED PC BOARD

U03

No PC board view
Look over the actual PC board on hand

PACKING PROCEDURES-1

SKS-HT240 Only

HTP-240/SKS-HT240

<Note>

HTP-240 ---> Refer to service manual of "LS-V955"

13

12

03

<BOTTOM>

13

13

09

SKC-240C

07

06

02

<MIDDLE>

Front side
marking

Front side
marking

08

Front side

Front side
marking

11

13

10

13

04

05

SKB-240

13

13

04

13

01

<TOP>

10

SKF-240F (L / R)

SKM-240S (L / R)

PACKING PROCEDURES-2

SKS-HT240 Only

HTP-240/SKS-HT240

<Note>

HTP-240 ---> Refer to service manual of "LS-V955"

19

15 ft. (4.5 m)
(White)

21

10 ft. (3 m)
(Green)

22

30 ft. (9 m)
(Blue)

20

15 ft. (4.5 m)
(Red)

23

30 ft. (9 m)
(Gray)

13

25

(3 m)

26

(8 pcs.)

24

30 ft. (9 m)
(Brown)

18

16

27

28

29

(24 pcs.)

Front side

Refer to "PACKING PROCEDURES-1"

16

15

16

T

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1/2 PAGE

HTP-240/SKS-HT240

EXPLODED VIEW PARTS LIS

NOTE : THE COMPONENTS IDENTIFIED BY THE MARK

! ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH PART
NUMBER SPECIFIED.

REF. NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) MARK

SKW-240 : POWERED SUBWOOFER

SP01 CABINET ASS'Y SKW-240 1 EVM500240-0001
SP02 FOOT D87.5 x D37.5 x H50 HIPS BLK 4 BPE8000040001
SP03 BOTTOM BOARD L403 x W275 x T15mm 1 EVT5100021503
SP04 FRONT PLATE SKW-240 / ONKYO 1 BPL5001090001
SP05 WOOD SCREW (FOR LEG) 8 HSF1400913700
SP06 WOOD SCREW (FOR AMPLIFIER) 10 NSR5400818141
SP07 WOOD SCREW (FOR WOOFER DRIVER) 8 NSR5400818141
SP08 WOOFER SPK 20cm 1 20LA0EHC2044

A01 REAR PANEL "SKW-240" SPCC 190 x 120 x T2.0mm 1 GSP1000470001
A02 AC CORD LINE CORD 2P 1800mm BLK POLARIZE 1 VPA0040120010
A03 BUSHING AC LINE BUSHING 1 DBU001002-0011
A04 POWER TRANSFORMER 120V / 60Hz 100W SKW100 1 TTI1120010120

A05 SCREW M4.0 x P0.7 x L25mm (FOR TRANS) 4 HSD1431033250
F902 FUSE 4A / 250V SLOW WALT 1 KSA0204000011
F903 FUSE 4A / 250V SLOW WALT 1 KSA0204000011

U01 MAIN PC BOARD ASS'Y MAIN PC BOARD ASS'Y 1 ABE101991-0019

<Note>
U01 : MAIN PC BOARD ASS'Y = PCB BRACKET + HEAT SINK + ALL PARTS FOR MAIN PC BOARD

U02 INPUT PC BOARD ASS'Y INPUT PC BOARD ASS'Y 1 ABE101992-0019

<Note>
U02 : INPUT PC BOARD ASS'Y = INPUT PC BOARD with RCA JACK + CORD ASS'Y

U03 VR / LED PC BOARD ASS'Y VR / LED PC BOARD ASS'Y 1 ABE100222-0003

<Note>
U03 : VR / LED PC BOARD ASS'Y = VR / LED PC BOARD with VR / LED / CORD ASS'Y etc.

SKF-240F : FRONT SPEAKERS (L / R)

SP10 COMPLETE UNIT "SKF-240F (L)" 1 ASL5M0240BM00
SP11 BACK LABEL (L) --- 1 YLB5101322001
SP12 COMPLETE UNIT "SKF-240F (R)" 1 ASL5M0240BM01
SP13 BACK LABEL (R) --- 1 YLB5101322002

SKC-240C : CENTER SPEAKER

SP14 COMPLETE UNIT "SKC-240C" 1 ASL5C0240BM00
SP15 BACK LABEL --- 1 YLB5101322003

SKM-240S : SURROUND SPEAKERS (L/R)

SP16 COMPLETE UNIT "SKM-240S (L)" 1 ASL5U0240BM00
SP17 BACK LABEL (L) --- 1 YLB5101322004
SP18 COMPLETE UNIT "SKM-240S (R)" 1 ASL5U0240BM01
SP19 BACK LABEL (R) --- 1 YLB5101322005

SKB-240 : SURROUND BACK SPEAKER

SP20 COMPLETE UNIT "SKB-240" 1 ASL5U0240BM02
SP21 BACK LABEL --- 1 YLB5101322006

!
!
!

!
!

T

PWB

T

PWB

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2/2 PAGE

HTP-240/SKS-HT240

PRINTED CIRCUIT BOARD PARTS LIS

CIRCUIT NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) MARK

IC501 POWER IC 15PIN TDA7293 1 RHI007293-0001

DB901 DIODE RS402L 4A 100V 1 RHD0004020101

!

HTP-240/SKS-HT240

PACKING PROCEDURES PARTS LIS

SKS-HT240 Only

REF. NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) MARK

01 TOP POLYFOAM 820L x 515W x 80D 1 ITF5303780001
02 MIDDLE POLYFOAM 820L x 515W x 145D 1 ITF5303780003
03 BOTTOM POLYFOAM 820L x 515W x 200D 1 ITF5303780002
04 SMALL STEEL BASE (FOR SKF-240F) 2 DHS5030230001
05 PE BAG 290L x 260W x 0.025T (FOR SKF BASE) 2 IVA5020010190
06 PLASTIC BASE (FOR SKC-240C) 1 BP050007500AA
07 PE BAG 380L x 150W x 0.025T (FOR SKC BASE) 1 IVA5020010180
08 SOFT PE BAG 630L x 240W x 0.025T (FOR SKF) 2 IVA5080080010
09 SOFT PE BAG 630L x 240W x 0.025T (FOR SKC) 1 IVA5080080020
10 SOFT PE BAG 630L x 240W x 0.025T (FOR SKM/SKB) 3 IVA5080080030
11 POLY BAG 1000L x 720W x T0.015 (FOR SKW) 1 IVA8031020008
12 PE BAG 250L x 180W x 0.025T 1 IVA5020010130
13 TAPE NITTO NO.29 W18 (Yellow) (1) 29110149
15 CARTON BOX SKS-HT240 1 ICC5004250003
16 PP TAPE W50 (1) 29110071 or
16 PP TAPE NITTO 3703 SUPER W50L100 (1) 29110176
18 POLY BAG 350 x 250 1 29100097-1A
19 SPEAKER CABLE 18# L=4.5m WHITE / TRANSPARENT 1 VWS3111224500
20 SPEAKER CABLE 18# L=4.5m RED / TRANSPARENT 1 VWS3111224501
21 SPEAKER CABLE 18# L=3m GREEN / TRANSPARENT 1 VWS3111223000
22 SPEAKER CABLE 18# L=9m BLUE / TRANSPARENT 1 VWS3111229000
23 SPEAKER CABLE 18# L=9m GRAY / TRANSPARENT 1 VWS311122-001
24 SPEAKER CABLE 18# L=9m BROWN / TRANSPARENT 1 VWS3111229002
25 RCA CABLE MONO L=3m / BLACK 1 2010197
26 SCREW 8.5 x M5 x 5.8L 8 NSP5441331050
27 INSTRUCTION MANUAL HTP-240 / SKS-HT240 1 YOM5000010081
28 WRNTY CARD (ONKYO) 1 29365090B

29 RUBBER FOOT 7.8 x 1.0T x 24 pcs. 1 DUF5120010002
<Note>
HTP-240 ---> Refer to service manual of "LS-V955"

HTP-240/SKS-HT240

ONKYO CORPORATION

Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: [phone] Fax: [phone]

ONKYO U.S.A. CORPORATION

18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: [phone] Fax: [phone] http://www.onkyousa.com

ONKYO EUROPE ELECTRONICS GmbH

Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY
Tel: [phone] Fax: [phone] http://www.onkyo.net

ONKYO CHINA LIMITED

Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,
N.T., HONG KONG Tel: [phone] Fax: [phone]

HOMEPAG

http://www.onkyo.com/

E