Onkyo HTP-120 Service Manual

SERVICE MANUAL

SERVICE MANUAL

HTP-120

SKW-120/D-120C/D-120

SPEAKER SYSTEM

HTP-120

Ref. No. 3722

052002

D-120 (Satellite)

SKW-120 (Subwoofer)

D-120C (Center)

Black model

120V AC, 60HzBMDD

SAFETY-RELATED COMPONENT
WARNING!!

THE MARK FOUND ON SOME COMPONENT
PARTS INDICATES THE CRITICAL FOR RISK OF
FIRE AND ELECTRIC SHOCK.
WHEN REPLACING, BE SURE TO USE PARTS OF
IDENTICAL DESIGNATION.
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.

P ANEL VIEW

SKW-120/HTP-120

Subwoofer SKW-120

Front

Rear

To AC outlet

A. LINE INPUT (input jack)

Connect this jack to the SUBWOOFER PREOUT jack of
the DR-S2.2.

B. Indicator

The indicator changes from red to green when the
subwoofer receives a signal.

C. OUTPUT LEVEL (Output level adjusting knob)

Use this knob to adjust the output level of the subwoofer.

ABC

LINE

INPUT

RED : STANDBY
GREEN : ON

OUTPUT LEVEL

Satellite speakers D-120

(Front left/right, Surround left/right)

85mm (3-3/8")

Key hole

120mm
(4-3/4")

Screw hole
for a
speaker
stand

The badge can be rotated depending on the angle you position the
speaker.

Center speaker D-120C

MAXMIN

130.5mm
(5-1/8")

The badge can be rotated depending on the angle you position the
speaker.

265mm (10-7/16")

The satellite speakers (D-120) and the center speaker (D-120C)
have colored labels on the backs for easy identification. Match
the color of the label with the corresponding speaker cable when
connecting the speakers. The DR-S2.2 SPEAKER terminals are
also colored to match the corresponding speaker cable.
Connect the cable with a colored line to the negative (
terminal.

The label colors and the corresponding speakers are as
follows:

Front left speaker and speaker cable: White
Front right speaker and speaker cable: Red
Center speaker and speaker cable: Green
Surround left speaker and speaker cable: Blue
Surround right speaker and speaker cable: Grey

180mm (7-1/16")

Key holes

-

)

SKW-120/HTP-120

A

SPECIFICATIONS

1

Subwoofer SKW-120

Type Bass-reflex with built-in power amplifier
Use For superbass-range reproduction
Frequency response 30-120 Hz (when used with the DR-S2.2)
Maximum output power 60 W
Dynamic output power 120 W
Input impedance 9.5 k ohm
Sensitivity Line 65 mV
Speaker 20-cm woofer
Power supply AC 120 V, 60 Hz

2

Power consumption 70 W (AC 120 V, 60 Hz)
Dimensions (W H D)

Weight 14.3 kg 31.5 lbs
Others

BCD

235 493 488 mm
9-1/4" 19-7/16" 19-3/16"

Auto standby on/off

Center speaker D-120C

Type 2 way bass reflex
Frequency response 100 Hz-25 kHz
Maximum input power 50 W
Output sound pressure level 85 dB/W/m
Impedance 6 ohm
Speaker 8-cm woofer 2

1.5-cm tweeter
Cabinet capacity 1.5 L
Dimensions (W H D) 265 130.5 79.5 mm

10-7/16" 5-1/8" 3-1/8"
Weight 1.3 kg 2.9 lbs.
Others Magnetic shielding

Satellite speaker D-120

Type 2 way bass reflex
Frequency response 100 Hz-25 kHz
Maximum input power 40 W
Output sound pressure level 82 dB/W/m
Impedance 6 ohm
Speaker 8-cm woofer

3

Cabinet capacity 0.8 L
Dimensions (W H D) 85 120 112 mm

Weight 0.7 kg 1.5 lbs.
Others

1.5-cm tweeter

3-3/8" 4-3/4" 4-7/16"
Magnetic shielding

Accessories

Audio connection cable (1 pc.)

3.5 m speaker cables (3 pcs.: white, red, green)
8 m speaker cables (2 pcs.: blue, grey)
Spacers for Subwoofer (4 pcs.)
Spacers for Satellite and Center speakers (black, 20 pcs.)
Horizontal mounting base (1 pc.)
Double-faced adhesive tapes (2 pcs.)
Cushioning pads (2 pcs.)
Instruction manual (this manual)

Specifications and appearance may subject to change for
improvement without prior notice.

4

5

SERVICE NOTE

1. Replacing the fuses

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 252159 or 2A-UL/T-237 or
252253 2A-T/UL-ST2

2. Safety-check out

After correcting the original service problem, perform the following
safety check before releasing the set to the customer. Connect the in­sulating-resistance tester between the plug of power supply cord and
screw on the back panel.
Specifications: 3.3M ohm+/-10% at 500V.

HTP-120

AC Leakage Test

Device

under

test

Test all
exposed metal
surfaces

Leakage
current
tester

Reading should
not be above

0.5mA

Earth
ground

HTP-120

A

BLOCK DIAGRAM

SUB WOOFER AMP.

1

NAETC-7457-1

U3

2

LED Red

LED Green

NAAF-7456-1

INPUT

BCD E

U2

P301

C301

AUTO_STANDBY

ON/OFF

CIRCUIT

OUTPUT

R303

LEVEL

+24dB

Q301

-2dB

LPF

-6DB/OCT
600HZ

MUTE

CIRCUIT

+28dB

POWER AMP

THERMAL

PROTECTION

CIRCUIT

SPEAKER

6 ohm

U1

NAAF-7455-1

+5.6V

3

4

1

+14.4V

1

-

14.4V

1

+B

1

GND

1

-

B

1

Q951

O

G

I

Q952

I

O

G

D933

C911

C912

C931

D911

D_ARRAY

D931

D932

T901

POWER TRANS

U4

F901

FUSE

NAPS-7458-1

AC IN

AC120VMDD

HTP-120

IDLING ADJUSTMENT

Adjustment of Idling current

1). Cancel the Auto standby ON mode.
P604 is short.

2). Connect the DC volt meter to P531.

3). At the no load and no input signal condition.

4). Turn on the power switch.
And adjust 0.25mV by trimmer (R544) on Main PC board.

5). After heat run for about 5 minutes, and set 4mV by R544 again.

Printed circuit board view from component side

C911

HTP-120

NCAF-7455

P604

D911

Q623

P623

Q951

Q952

Q516

Setting position of shipping

Output level ---------------------- MIN

C912

Q541

Trimmer

R544

Q514 Q513

P531

Q515

DC Volt meter

HTP-120

EXPLODED VIEW PARTS LIST

Amp section

REF. NO. PART NO. DESCRIPTION

U1 1W232555-1A NAAF-7455-1A, Main circuit PC board assy
U2 1W232556-1A NAAF-7456-1A, Output level control PC board assy
U3 1W232557-1A NAETC-7457-1A, LED PC board assy
U4 1W232558-1A NAPS-7458-1A, Power transformer PC board assy
A1 27160467 Heat sink, SKW-205AMP
A2 801433 3SMS8W.SW+14B(BC),

A3 27130745 Bracket (2)
A4 838130088 3TTB+8B, Self tapping screw (7)
A6 27141661 Retainer
A8 28184777 Cover
A9 28141322A Cushion
A10 28141475 Cushion t2X5X160 (2)
A11 28141476 Cushion t2X5X80 (2)
A41 27122963 Rear panel (Amp. Section)
A42 838430088 3TTB+8B(BC), Self tapping screw (13)
A43 830440109 4TTC+10C(BC), Self tapping screw (4)
A44 28141473 Cushion, t2X5X415 (2)
A45 28141474 Cushion, t2X5X195 (2)
A46 28141334 Cushion
A47 27301941 Cord bushing, KF-41
A48 28325405 Knob, OUTPUT LEVEL
E901 260208 Wire tie
Q515 * 2202524 2SC4468-Y or

* 2202523 2SC4468-O or
* 2202526 2SC4468-P or
* 2203062 2SC5198-R or
* 2203063 2SC5198-O, Transistor

Q516 * 2202514 2SA1695-Y or

* 2202513 2SA1695-O or
* 2202516 2SA1695-P or
* 2203052 2SA1941-R or
* 2203053 2SA1941-O, Transistor

Q515A, 223021 TBM-51W 9043, Isolation sheetQ516A

Q541 2202104 2SC3423-Y or

2202103 2SC3423-O
Q951 2202754 2SD1266-P
Q952 2202764 2SB941-P, Transistor
R602 4000144 PTH9M04-2.2K, Thermistor
T901 2301487 NPT-1396D, Power transformer
F901 252159 2A-UL/T-237 or

252253 2A-T/UL-ST2, Fuse
P901 253272HIT Power cord, AS-UC-6#18
A50 28141503 Cushion

NOTE: THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.

Self tapping screw (6)

CAUTION: Replacement of the transistor of mark , if necessary,
must be made from the same beta group (HFE) as the
original type.

*

EXPLODED VIEW PARTS LIST
Cabinet section

DESCRIPTIONPART NO. QTY

B02
B03

KK200001-01 1W20170A, SP assy

Cabinet assy (Box+paper duct+
plastic duct+sound absorbent)

HTP-120

1

B05
B06
B07
B08

B10

58-000-302-01 4
76-200-030-01 1
838440204
70-015-450-01

61-000-652-01 Socket assy

Foot
Bottom board

4STB+20A(BC),

4 x 50, Bottom board

SP SyatemAM200008-01 1

Amp, SP Unit

16

4

HTP-120

EXPLODED VIEW

SKW-120
(Subwoofer Amp.)

A45

B07

A42
(13)

A41

B07

L

I

N

I

N

P

E
U

T

B07

A48

R

E

D

: S

G

T

R

A

E

ND

E

N

B

:

ON

U2

O

U

T

P

U

TL

Y

M
I

N

B07

A11

E

V

E

L

M

A

X

Q515A

Q516A

U3

R602

Q541

Q952

Q951

A50

A10

A1

A4

Q515

Q516

A9

A8

A1

B03

A4

A2

B10

B02

B05

B07

B07

B07

B07

B07

B07

C

U

R

L

US

PO

L

IS

WE

MODEL

T

ED

RD

8

0

A

N

U

A

D

I
O/V

S

E
QU

ID

UBWO

E

I

P

O

RA

M

E

NO

E

N

2

0

61

R

T

T

I

.

NG

AC

O

30

SK

F

:

ER

1

W-120

2

0

V

2-1,

6

NISS

0

JA

Hz 70

P

H

AN

I

N

-

W

C

H

O,

N

E

Y

W

A

GA

A

RI

R

W

S

K

A

N

O

-

S

F

I

M

E

H

N

L

I

A

E

,

C

DE

G

OS

D

T

ON

R

I

A

I

C

N

O

K

S

T

A

HO

JA

O

,

P

C

P

E

K

AN

N

R

I

S

A

QU

V

E

I

D

S

E

CH

O

N

C

E

E

P

L

A

E

S

C

O

T

U

R

V

I

Q

R

U

I

R

E

S

E
R

I
A

L

P0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

B07

P901

A43

(4)

A47

B07

B07

NOTE: THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH
PART NUMBER SPECIFIED.

NSP: Not service parts

A6

A44

U1

E901

F901

U4

A46

A3

A4

A4

T901

B05

B06

B08

B08

D-120C (Center)
NSP

O

O

N

N

K

K

Y

Y

O

O

B05

B05

B08

D-120 (Satellite)
NSP

O

O

N

N

K

K

Y

Y

O

O

5.6

0.1

5.5

5.6

-0.6

-15.0

15.0

0.6

5.0

4.9

5.4

0.4

0.4

1.6V

-1.6

-1

-33.4V

-34.0V

-39.0V

-37.9V

37.9V

-39.0V

HTP-120

A

SCHEMATIC DIAGRAM

NAAF-7456

1

2

3

4

5

NAETC-7457

SML-1216W

D641

U3

NAAF-7455

U1

INPUT

P301

P601B

R301

22K

C301

223

P601A

U2

C302

100/16

10/50

R302
100K

JL951A

JL951B

C621

B C DE FG H

AMP. SECTION

R319

5.6K

82

Q604

2SA933S

R607

10K

NJM4558DX

3

Q302

2

R312

3.3K
C307

152

2SA949Y

-37.9V

Q506

2SC2229

2SC2229

R511
82

(1/4W)

Q603

1

Q509

C505

R514

18K

R515

18K

Q510

R513

82

(1/4W)

5.6
R609

100K

5.0

5.5

2SC1740S-S

R606

2.2M

R313

3.3K

R512

82

(1/4W)

R608
100K

Q602

R541

820

R542

150

R544

100B

Idling adj.

-39.0V

0.1

R605

180K

R516

3.3K
1

-1

Q541

2SC3423

R543

100

R604

0.6

680K

C601

33/35

R314

2.2K

C309

Q517

2SA933S-S

C511

10/50

-1.6

C510

D601

1SS133

R603
330K

R601

22K

Q601

2SC1740S-S

R315

5

5.6K
C308

6

124

124

1.6V

2SD667A-C

C516

101

D933

MTZJ5.6B

(1/2W)

0

R602

PTH9M04BC222

NJM4558DX

Q303

Q518

10/50

Q519

R934

1K

5.6

R933

10K

7

2SC4793

R525
330

(1/2W)

C514

10/50

2SA1837

2SB647A-C

R931

17.1V
820

R932

820

C931
10/50

Q513

Q514

D931

D932

R523

82

(1/2W)

-39.0V

R316

2.2K

Q515

R531

0.22
(5W)

Q516
2SA1695

or

2SA1941

E810

R317

5.6K

C310

124

C311

124

2SC4468
2SC5198

D911

RS403L

39.0V

C911

4700/50

C912

4700/50

or

R533

100

3

2

R532

3.3
(1W)

C512

224

C513

224

C903

C904

Q303

Test point of

P531

334/100

334/100

NJM4558DX

8

1

4

idling current

JL911A

R318

C315

563

1K

P501A

NOTE

.

THE COMPONENTS
REPLACE ONLY

.

VOLTAGE (MEASURED WITH VOLTMETER) IS

.

ALL PNP TRANSISTORS ARE EQUIVALENT

.

ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.

.

ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.

.

ELECTROLYTIC CAPACITORS ()ARE IN F/WV.

.

ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.

EX) 030 3pF 330 33pF 331 330pF

.

P535A

ALL RESISTORS ARE IN OHMS 1/4WATTS

.

THE THICK LINES ON PC BOARD ARE THE

EX) PRINTING SIDE

.

CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW 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
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.

T901

NPT-1396D

JL911B

NAPS-7458

WITH PART

CAUTION

FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE

VA

AND RATING INDICATED.

ATTENTION

AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT

VA

PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.

F901

2A/125V

U4

IDENTIFIED

C902
472M

BY MARK

NUMBER SPECIFIED.

AC-G
P901A

ARE CRITICAL FOR

TO 2SA1015-GR UNLESS OTHERWISE NOTED.

u

333 0.033uF

UNLESS OTHERWISE NOTED.

PRINTING SIDE OF THE PARTS.

P901

AC-H

AC 120V/60HZ

SAFETY

DC VOLTAGE. (NO INPUT SIGNAL)

R621

5.6K

R622

100K

GND1

-14.4V

GND1

-14.4V

LEDGSGLEDR

-14.4

10/50

R623

180

C622

0

GND2

+14.4

5

6

R303

+14.4V

GND2

D621

20KA

LEVEL

14.4

C953

220/16

C954

220/16

8

Q623

4

NJM4558DD

R624

150K

D622

MTZJ3.6B

C303

100/16

Q951

2SD1266

C951

220/16

C952

220/16

Q952

2SB941

0

7

R304

100K

C312

220/16

-15.0

R625

10K

C313

220/16

37.6

15.0

D951

MTZJ15C

D952

MTZJ15C

-37.6

D627

R626

10K

NJM4558DD

2

Q623

3

NIM4558DX

5

Q301

6

R305

1K

R951

47 (1/4W)

R953

6.8K(1/2W)

R954

6.8K(1/2W)

R952
47

(1/4W)

R627

22

R628

22

D628

1

R306
15K

152

P623

7

C314

C623

0.4

R634

39K

220/16

P501B

R630

3

2

R629
390K

820K

0

Q621

8

Q301

4

C502

R615

12K

(1/2W)

D615

NJM4558DD

1

C501

220/6.3

R501

151

D501

MTZJ5.6B

1SS133

0.4

2SC1740S-S

R632

R633
120K

R631

39K

0

DTC124ES

C624

104

33K

5.4

470K

0

C515

10/50

Q622

D633

1SS133

C305

274

160Hz

2SC1775

R502

100

-33.4V

C306

154

R309

270

R505

1K

(1/4W)

Q501

R521

220

R526
22K

2SA933S-S

R307

22K

R308

470

NJM4558DX

R310

82K

R503

5.6K
Q503

2SC2240

-34.0V

R504

2.2K

5.6

Q606

R613

22K

8

5

Q302

6

4

R506

1K

(1/4W)

Q502
2SC1775

-0.6

R522
220

4.9

R635

1K

R636
100K

C304

100/16

7

37.9V

R509

R524
1K

C503

470/6.3

R612

22K

R611
100K

5.4

330

37.9V

C504

R507

(1/4W)

R610

1K

(1/4W)

2SA949Y

020

33K

2SA949Y

0

R508

47

DTA124ES

Shorting at
Idling adj.

Q605

2SA933S-S

R311
100K

R510

Q505

Q507

P604

-0.6

-15.0

15.0

4.9

5.4

0.4

0.4

-33.4V

-34.0V

37.9V

A

B C DE FG H

SCHEMATIC DIAGRAM

NAAF-7456

1

2

3

NAETC-7457

SML-1216W

D641

U3

NAAF-7455

U1

INPUT

P301

P601B

R301

22K

C301

223

P601A

U2

C302

100/16

R302
100K

JL951A

JL951B

GND1

-14.4V

AMP. SECTION

LEVEL

R303

20KA

GND1

-14.4V

GND2

+14.4V

LEDGSGLEDR

GND2

+14.4

C953

-14.4

C954

14.4

220/16

220/16

C303

100/16

C312

220/16

Q951

2SD1266

C951

220/16

C952

220/16

-15.0

Q952

2SB941

R304

100K

C313

220/16

37.6

15.0

D951

MTZJ15C

D952

MTZJ15C

-37.6

NIM4558DX

5

Q301

6

R305

1K

R951

47 (1/4W)

R953

6.8K(1/2W)

R954

6.8K(1/2W)

R952
47

(1/4W)

R306
15K

152

7

C314

P501B

3

2

8

Q301

4

C502

R615

12K

(1/2W)

D615

NJM4558DD

1

C501

220/6.3

R501

151

D501

MTZJ5.6B

1SS133

33K

0

C515

10/50

C305

274

160Hz

2SC1775

R502

100

-33.4V

R505

1K

(1/4W)

Q501

R521

220

R526
22K

R307

22K

R308

470

NJM4558DX

C306

154

R309

270

R310

82K

5

6

R506

1K

(1/4W)

Q502
2SC1775

-0.6

R522
220

R503

5.6K
Q503

2SC2240

-34.0V

R504

2.2K

8

Q302

4

C304

100/16

7

37.9V

37.9V

R509

330

R524
1K

C503

470/6.3

C504

020

R507

33K

0

R508

47

(1/4W)

R311
100K

R510

82

(1/4W)

Q505

2SA949Y

Q507

2SA949Y

Q606

2SA933S-S

R613

22K

5.6

4.9

R635

1K

R636
100K

R611
100K

5.4

R612

22K

R610

1K

Q604

DTA124ES

P604

Shorting at
Idling adj.

2SA933S

Q605

2SA933S-S

R607

10K

4

C621

R621

5.6K

10/50

R622

100K

R623

180

C622

10/50

5

8

5

Q623

6

0

D621

7

4

NJM4558DD

R624

150K

D622

MTZJ3.6B

0

R625

10K

D627

2

3

R627

22

R628

22

D628

R626

10K

NJM4558DD

Q623

1

P623

C623

220/16

0.4

R634

39K

R629
390K

R630

820K

0

Q621

0.4

2SC1740S-S

R632

R633
120K

R631

39K

0

DTC124ES

C624

104

5.4

470K

Q622

D633

1SS133

5.6

0.1

5.5

5.6

0.6

5.0

1.6V

-1.6

-1

3

-39.0V

-37.9V

-39.0V

Q302

2

NJM4558DX

1

R312

3.3K
C307

152

R313

3.3K

R314

2.2K

R315

5.6K
C308

124

C309

124

5

Q303

6

NJM4558DX

7

R316

2.2K

R317

5.6K

C310

124

C311

124

3

2

NJM4558DX

8

Q303

4

HTP-120

R319

5.6K

1

R318

C315

563

1K

P501A

82

Q507

Q604

2SA933S

R607

-37.9V

Q506

2SC2229

R511
82

(1/4W)

10K

Q509

2SA949Y

C505

R514

18K

R515

18K

Q510

2SC2229

R513

82

(1/4W)

5.6

Q603

5.0

5.5
2SC1740S-S

R609

100K

R606

2.2M

R512

82

(1/4W)

R608

100K

Q602

R541

820

R542

150

R544

100B

Idling adj.

-39.0V

0.1

R605

180K

R516

3.3K
1

-1

Q541

2SC3423

R543

100

R604

0.6

680K

C601

33/35

Q517

2SA933S-S

C511
10/50

-1.6

C510

D601

1SS133

R603
330K

R601

22K

Q601

2SC1740S-S

1.6V

2SD667A-C

C516

101

D933

MTZJ5.6B

0

R602

PTH9M04BC222

Q518

10/50

Q519

R934

1K

(1/2W)

5.6

R933

10K

2SC4793

R525
330

(1/2W)

C514

10/50

2SA1837

2SB647A-C

R931

17.1V
820

R932

820

C931

10/50

Q513

Q514

D931

D932

R523

82

(1/2W)

-39.0V

Q515

R531

0.22
(5W)

Q516
2SA1695

or
2SA1941

39.0V

E810

2SC4468

or

2SC5198

D911

RS403L

C911

4700/50

C912

4700/50

R533

100

R532

3.3
(1W)

C512

224

C513

224

C903

C904

Test point of

P531

334/100

334/100

idling current

JL911A

NOTE

.

THE COMPONENTS
REPLACE ONLY

.

VOLTAGE (MEASURED WITH VOLTMETER) IS

.

ALL PNP TRANSISTORS ARE EQUIVALENT

.

ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.

.

ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.

.

ELECTROLYTIC CAPACITORS ()ARE IN F/WV.

.

ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.

EX) 030 3pF 330 33pF 331 330pF

.

P535A

ALL RESISTORS ARE IN OHMS 1/4WATTS

.

THE THICK LINES ON PC BOARD ARE THE

EX) PRINTING SIDE

.

CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW 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
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.

T901

NPT-1396D

JL911B

WITH PART

CAUTION

FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE

VA

AND RATING INDICATED.

ATTENTION

AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT

VA

PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.

F901

2A/125V

IDENTIFIED

C902
472M

BY MARK

NUMBER SPECIFIED.

AC-G
P901A

ARE CRITICAL FOR

TO 2SA1015-GR UNLESS OTHERWISE NOTED.

u

333 0.033uF

UNLESS OTHERWISE NOTED.

PRINTING SIDE OF THE PARTS.

P901

AC-H

AC 120V/60HZ

SAFETY

DC VOLTAGE. (NO INPUT SIGNAL)

NAPS-7458

U4

I

M

AG

INA

T

I

V

E

S

I

GH

T

&

S

OU

ND

I

M

AG

INA

T

I

V

E

S

I

GH

T

&

S

OU

ND

IMAGINA

T

IV

E

S

I

G

HT

&

SOU

N

D

IMAGINA

T

IV

E

S

I

G

HT

&

SOU

N

D

IMAGI

N

A

TI

V

E

S

I

G

H

T

&

SOUN

D

HTP-120

P A CKING VIEW

1

2

P08

A

O

N

K

P24

Y

O

BCD

P10

P09

P18

P11

P15

P06

P05

P17

O

N

K

Y

O

O

N

K

Y

O

P16

O

N

K

Y

O

O

N

K

Y

O

P06

P06

P03

P30

P12

P13

P14

P27

P28

P20

P21

P07

P25

3

P19

C

L

U

R

I

ST

AUDI

L

E

E

8

QUI

0

O

2

NA

E

/

P

U

VIDE

0

ME

6

D

S

1

NT

O

3
0

P26

P02

4

R

DI

D

UN

UN

O

O

S

S

&

&

T

T

H

H

IG

IG

IVE S

IVE S

T

T

NA

NA

I

AGI

AG

M

M

I

P23

I

M

A

G

I

N

AT

IV

E

SI

G

H

T

&

S

OUN

D

HTP-120

H

OM

E

TH

EAT

ENS

E

FMR

R SPE

P

OU

B

LE D

R

LE CINE

'

FNCENTE

MA-MAI

R

AKE

R

P

A

C

K

AG

S

E

S

ON

G

R

R

E

U

D

N

E

P

U

N

K

T

ER S

T

HTP-120

C

THEA

N

F

E

'

D

E

L

HOM

B

R

M

F

NS

E

WI

DLE

AN

H

/

E

L

I

AG

FR

INAT

G

A

M

I

5

g

k

.2

2

2

.

s

E

lb

IN

UP

9

A

.

C

T

8

4

H

T

.

P

-1

2

0

.W

G

& CON

O

T

IP

H

S

x-

x

x

x

x

xx

MDD

x

xx

P22

x

US C

PEAKER

P

TES

N

E

AR

C

TH

HT

IG

S

E

IV

HTP

OME TH

H

S

EN

OU

P

ER

MB

U

N

R

N

O

GE

MAIS

KA

-

A

C

A

SOIN

P

EM

IN

C

AVEC

E

ER

R L

L

U

O

PU

AN

AGILE/M

R

E F

6

R

D

UN

O

S

&

RB

M

F

E CINE

L

R

-120

E

T

A

E

'

D

E

L

M

E

G

A

CK

A

P

R

E

AK

E

P

S

S

R

E

T

ON

NCEN

F

-MAIS

A

PACKING PARTS LIST

R

R

L

REF.

PART NO. DESCRIPTION

NO.

P02
P03
P05
P06
P07
P08
P09
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
P22
P23
P24
P25
P26
P27
P28
P30 65-000-202-01 Seal

60-001-848-01
57-000-564-01
65-000-203-01
85-000-198-01
85-000-354-61
85-000-376-21
62-000-425-01
62-000-425-11
62-000-425-21
62-000-426-01
62-000-426-11
65-000-204-01
65-000-216-01
85-000-376-71
85-000-400-21
62-000-394-01
85-000-354-21
85-000-462-01
85-000-400-11
89-000-545-01
84-001-983-01
80-000-491-01
80-000-491-11
80-000-491-21
87-001-050-01
29365090

HTP-120

UL label
Stand base

Spacer (5t x2 0 x 20 x 2)

Poly bag (Accessories, Stand, 0.03t x 250 x 350)

Protect sheet (Center, 0.5t x 420 x 300)
Poly bag (Center, 0.015t x 350 x 400)
Cord assy (Green 3.5m)
Cord assy (White 3.5m)
Cord assy (Red 3.5m)
Cord assy (Blue 8m)
Cord assy (Gray 8m)
Foot (Sub woofer, t1 x 15 x 4)
Foot (Satellite, t1 x 7.8 x 20)
Poly bag (Satellite, 0.015t x 250 x 280)
Protect sheet (Satellite, 0.5t x 460 x 150)

Connection cord (MONO BLACK, 3m)
Protect sheet (Power cord, 0.5t x 200 x 200)

Poly bag (Sub woofer, 015t x 750 x 880)
Protect sheet (Sub woofer, 0.5t x 1550 x 500)
Bar code label
Carton box
Cushion A (TOP)
Cushion B (MID)
Cushion C (BOTTOM)
Instruction manual
Warranty card

PS: COLOE LABEL 60-001-905-01 Speaker label

CENT

ER

F

RO

N

T

L

FRON

T

SURR

S

U

RR

HTP-120

PRINTED CIRCUIT BOARD PARTS LIST

U1: MAIN CIRCUIT PC BOARD (NAAF-7455)

CIRCUIT NOPART NO. DESCRIPTION CIRCUIT NO. PART NO. DESCRIPTION

IC

Q623 222502 NJM4558D-X C501 354722219

Transistors C502 374721515 150pF+/-5%, 50V, Plastic

Q501,Q502 2215116 2SC1775-F or C503 354724719

2210755 2SC1775A-E or C511, 354781009
2210756 2SC1775A-F or C514-C516

2215115 2SC1775-E C512,C513 374722244 0.22uF +/-5%, 50V, Plastic
Q503,Q507, 2211406 2SC2240-BL C601 354763309
Q510 C623, 354742219
Q505 2211354 2SA949-Y C951-C952,
Q506 2211634 2SC2229-Y C953,C954
Q510 2211634 2SC2229-Y C624 374721044 0.1uF +/-5%, 50V, Plastic
Q513 2202800 2SC4793 C903,C904 374733344 0.33uF +/-5%, 100V, Plastic
Q514 2202790 2SA1837 C911,C912 3504349 4700uF, 50V, Elect.
Q517 2213355 2SA933S-S C621-C622, 354781009
Q517 or 2213354 2SA933S-R C931
Q517 or 2215995 KTA1267-GR Resistors
Q518 2211654 2SC2235-Y R505,R506 415471024 1k ohm+/-5%, 1/4W, Carbon
Q519 2211644 2SA965-Y R508,R951, 415474704 47 ohm+/-5%, 1/4W, Carbon
Q603,Q605, 2213355 2SA933S-S or R952
Q606 2213354 2SA933S-R or R510-R513 415478204 82 ohm+/-5%, 1/4W, Carbon

2215995 KTA1267-GR R523 443528204 82 ohm+/-5%, 1/2W,
Q604,Q621 2215810 KRC103M or Metal oxide

2213160 DTC124ES or R525 443523314 330 ohm+/-5%, 1/2W,

2214220 RN1203 Metal oxide
Q601,Q602, 2213285 2SC1740S-S or R531 4500245 0.22 ohm, 5W, Metal plate
Q622 2213284 2SC1740S-R or 4000201

2215864 KTC3199-GR 4500031

Diodes R532 453630334 3.3 ohm+/-5%, 1W, Metal
D501,D933 224470562 MTZJ5.6B, Zener R544 5210359 N06HR100BC, Trim,
D601,D615, 223163 1SS133 or Idling adjust
D627,D628, 223205 1SS270A, Silicon R615,R934 443521234 12k ohm+/-5%, 1/2W,
D633,D931, Metal oxide
D932 R931,R932 443628214 820 ohm+/-5%, 1W,
D621,D622 224470362 MTZJ3.6B, Zener Metal oxide
D911 22380021 RS403L, Silicon R953,R954 443526824 6.8k ohm+/-5%, 1/2W,
D951,D952 224471503 MTZJ15C, Zener Metal oxide

Plugs Retainer

P501B 25055132 NPLG-2P116 E810 27141059 Ground
P531, P604, 25055038 NPLG-2P29 Heat sink
P623 Q513A 27160209 HEAT-SINK(RAD-67)
P535A 25055165 NPLG-2P149 Screws
JL951B 25055628 NPLG-7P590 Q513B,Q514B 82143010 3P+10FN(BC), Tapping

Socket

JL911A 25051107 NSCT-3P894

Terminals

E813 25060312 NTM-1P243(M1699)
P901A 25060092 NTM-1S33

Capacitors

220uF,6.3V, Elect.

470uF,6.3V, Elect.
10uF,50V, Elect.

33uF,35V, Elect.
220F,16V, Elect.

10uF,50V, Elect.

PRINTED CIRCUIT BOARD PARTS LIST

U

U2: OUTPUT CONTROL PC BOARD (NAAF-7456)

CIRCUIT NOPART NO. DESCRIPTION

IC

Q301 222502 NJM4558D-X

Socket

JL951A 25051091 NSCT-7P878

Socket AS

P501A 2009990602

Pin jack

P301 25045567 NPJ-1PDBL382

Plug

P601A 25055804 NPLG-4P760

Resistor

R303 5125490 N11RL20KA25Z, Volume

Capacitors

C302,C303 354741019
C312,C303 354742219
C314 374721524 1500pF+/-5%, 50V, Plastic
C315 374725634 0.056uF +/-5%, 50V, Plastic

NSAS-4P0815

100uF, 16V, Elect.
220uF, 16V, Elect.

HTP-120

U3: LED PC BOARD (NAETC-7457)

CIRCUIT NOPART NO. DESCRIPTION

P601B 25051526 NSCT-4P1313
D641 225295 SML1216W

U4: POWER TRANSFORMER PC BOARD (NAPS-7458)

CIRCUIT NOPART NO. DESCRIPTION

Capacitor

C902 3300054 DE1310E472M-KH

Fuse holders

F901A 25052133 NSCT-1P2031
F901B 25052133 NSCT-1P2031

Socket

JL911B 25050280 NSCT-3P108

Other

C902A 27301216 SB1925A, Capcitor cover

HTP-120

A

PRINTED CIRCUIT BOARD VIEW 2

U2

1

2

OUTPUT CONTROL PC BOARD (NAAF-7456)

Q301

C314

Q301

R306

C302

P301

R301

J307

J306

R304

C303

J308

JL951A

0

25137456
NCAF-7456

15

J304

P301

J302

R302

J303

17

J301

C312 C313

R305

J305

7

12

BCD

P601A

C301

R311

C304

C307

Q302

Q302

R312

R309

R313

C306

R308

R307

R310

C305

12

R319

P501A

J309

12712

J310

J311

J312

J314

C315

Q303

Q303

R314

R318

C308

LED

C310

R317

R315

R316

12

J313

C311

7

J316

C309

J315

LEVEL

OUTPUT

R303
R303

Soldering side view

U4

3

POWER TRANSFORMER PC BOARD (NAPS-7458)

T901

E901

23 56

F901A

F901

T901

AC-H

C902

P901A

AC-G

NCPS-7458

4

0

25137458

J901

20

22

J902

16

14

12

10

8

RISK OF FIRE-

REPLACE FUSE

JL911B

AS MARKED.

F901B

2.0A/125V

Soldering side view

U4

LED PC BOARD (NAETC-7457)

P601B

0

D641

E813

5

25137457

NCETC-7457

Soldering side view

HTP-120

A

PRINTED CIRCUIT BOARD VIEW 1

U1

1

2

3

MAIN CIRCUIT PC BOARD

E811

D501

R544

R615

Q503

C515

R504

R526

R543

R542

J503

C514

R523

R512

R516

J504

R541

C505

Q518

J502

7

R602

Q509

7

J501

Q517

Q513A
Q513A

27

Q515

R510

7

J506

J510

7

J505

R505

C511

J507

Q519

7

C516

R525

7

R506

R511

J512

J511

Q514Q513

J508

R513

J514

J515

Q505

Q510

12

BCD E

R503

C504

J513

7

P531

J509

C510

Q506

R533

22

25137455

NCAF-7455

R522 R521
Q502 Q501

R514
R515

R509

R507

R524

Q507

C503

R508

J521

J520

J519

J518

J517
J516

R502

R501

17
17

7

R531

C501

20

Q541

C502

P535A

C513

C512

0

P501B

E810

7

J525

R532

J522

7

20

7

J523

J524

J526

C911

C912

J528

25

C911

J530

17

C904

J529

Q516

D931

C903

17

JL911A

J531

22

J527

R621

C621

C912

D911

D911

Q623

R625

R626

J533

12

J535

C952 C954

R954 R953

R952 R951

J536

J537

Q952

D615

D932

R932

R931

R613

R933

C931

R622
J532

J534

JL951B

17

C622

Q623

7

15

J545
J544
J543

J546

D952 D951

15

R934

R624

D622

C953

7

R612

R623

D621

J538

D933

R635

Q606

R636

J547

J548

C951

J539

Q603

R610

J550

J549

Q951

R603

Q604

C624

Q605

D628

J541

J542

R628

D601

J540

7

R611

D627

R601

R609

D633

J552

R627

Q601

R608

J551

P623

C623

E812

C601

P604

R606

R633

R630

R632

Q621

R604

R605

Q602

R607

Q622

R631

R634

R629

Soldering side view

HTP-120

4

HTP-120

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] E-mail: [e-mail]

ONKYO EUROPE ELECTRONICS GmbH

Industriestrasse 20, 82110 Germering, GERMANY
Tel: [phone] Fax: [phone] E-mail: [e-mail]

ONKYO CHINA LIMITED

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

PN 0M3722 D0205 Printed in Japan

HOMEPAG

http://www.onkyo.co.jp/

E