SCHEMATIC DIAGRAM
SKW-520 :
POWERED
SUBWOOFER
HTP-520/SKS-HT520
A
1
2
3
4
5
B
C
DE
FG
H
P301A
P301B
P102A
Q601
NJM4558LD
3
+B
8
2
1
Q302
NJM4558LD
3
+B
8
2
1
Q301
NJM4558LD
3
+B
8
2
1
Q601
NJM4558LD
3
2
-B
4
1
Q301
NJM4558LD
5
6
-B
4
7
Q302
NJM4558LD
5
6
-B
4
7
JL535A
BLACK
JL536A
RED
J901B
RED
RED
BLK
F901
5A/125V
P902
R104
20K
R544
100
P631
P531
P902A
P633
Q606
KRA103M
OR DTA124ES
P632A
JL601 OR JL601A
P901A
JL601 OR JL601B
Q605
2SA933S-S/R
OR KTA1267-GR
Q505
KTA1024-Y
OR 2SA949-Y/O
Q519
2SA965-Y
Q517
2SA933S-S/R
OR KTA1267-GR
Q507
KTA1024-Y
OR 2SA949-Y/O
Q604
2SA933S-S/R
OR KTA1267-GR
Q607
2SA933S-S/R
OR KTA1267-GR
Q514
KTB1369-Y
OR 2SA1930
Q516
2SA1987-R/O
Q509
KTA1024-Y
OR 2SA949-Y/O
Q952
KTA1046-Y/GR
OR 2SB941-P
Q602
KRC103
OR DTC124ES
D901
RS404L
D902
RL1N4003
OR GP104003E
D903
RL1N4003
OR GP104003E
D605
1SS133
OR 1SS270A
D604
1SS133
OR
1SS270A
D603
1SS133
OR 1SS270A
D606
1SS133
OR 1SS270A
D651
1SS133
OR
1SS270A
D602
MTZJ2.7B
D601
MTZJ2.7B
D904
MTZJ5.6B
D952
MTZJ15C
D951
MTZJ15C
Q541
2SC3423-Y/O
Q513
KTD2061-Y
OR 2SC5171
Q518
2SC2235-Y
Q506
KTC3206-Y
OR 2SC2229-Y/O
Q609
2SC1740S-S/R
OR KTC3199-GR
Q608
2SC1740S-S/R
OR KTC-3199-GR
Q603
2SC1740S-S/R
OR KTC3199-GR
Q504
2SC2240-BL
Q503
2SC2240-BL
Q502
KTC3200-BL
OR 2SC1775A-F/E
Q501
KTC3200-BL
OR 2SC1775A-F/E
Q515
2SC5359-R/O
Q510
KTC3206-Y
OR 2SC2229-Y/O
Q951
KTC2026-Y/GR
OR 2SD1266-P
P101
C604
33/35
C517
10/50
C905
5600/63
C906
5600/63
C601
10/50
C603
470/16
C602
10/50
C909
22/50
C527
220/16
C528
10/50
C504
220/16
C501
0.47/50
C526
10/50
C954
220/16
C953
220/16
C303
47/50
C308
47/50
C301
47/50
C952
220/16
C951
220/16
C520
224
C519
224
C955
223J
C904
104/100
C903
104/100
C901
472M
C950
104/50
C514
NC
C502
151
C506
070
C503
151
C505
020
C307
104
C306
104
C304
104
C305
104
C934
104
C933
104
C302
101
R620
100K
R619
22K
R621
1K
R614
120K
R613
470K
R514
82
(1/4W)
R512
68
(1/4W)
R511
82
(1/4W)
R101
NC
R301
1K
R533
3.3
{1W}
R534
100
R625 180K
R624
100K
R701
PTFL04BC222Q2N34BO
R601
5.6K
R610
560K
R608
22
R607
22
R602
100K
R603
150K
R604
180
R605
10K
R606
10K
R609
39K
R628
330K
R629
22K
R902
820 {1W}
R901
820 {1W}
R904
1K (1/2W)
R622
10K
R623
100K
R627
680K
R626
2.2M
R903
10K
R617
1K
R616
100K
R612
39K
R615
22K
R611
820K
R651
12K
{1/2W}
R510
100K
R528
390
(1/2W)
R531(1/2)
0.22
{5W}
R531(1/2)
0.22
{5W}
R501
1K
R522
220
R504
270
R503
5.6K
R521
220
R506
1K
(1/4W)
R505
1K
(1/4W)
R502
47K
R517 3.3K
R509
1K
R507
33K
R515 12K
R516
12K
R526
150
(1/2W)
R541
820
R543
100
R542 150
R527
270
R513
82
(1/4W)
R508
47
(1/4W)
R306
4.7K
R972
47K
R971
10K
R307
100K
R308
47K
R311
5.6K
R312
5.6K
R309
NC
R310/J385
JUMPER
R315
100K
R316
1K
R314
5.6K
R313
5.6K
R305
33K
18K
R304
R303
100K
R302
1M
R954
6.8K {1/2W)
R953
6.8K {1/2W}
R952
82 {1/4W}
R951
82 {1/4W}
15.0V
-15.0V
-14.4V
-50.0V
14.4V
50.0V
0V
49.8V
50.3V
0V
0.6V
-1.0V
1.0V
51.0V
1.6V
-1.6V
-51.0V
0V
5.6V
0V
5.0V
3.9V
0.1V
5.6V
0V
5.5V
5.6V
5.4V
0.3V
0.2V
0V
4 OHM
Sub Woofer W2301B
SPEAKER
NAAF-8275
T901
NAETC-8276
TF
INPUT
NAETC8312
AC 120V / 60HZ
NAPS-8277
AC-H
AC-G
NC
AMPLIFIER PC BOARD
U01
INPUT TERMINAL
PC BOARD
U02
POWER TRANSFORMER
PC BOARD
U03
THERMAL SENSOR PC BOARD
U04
E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
ATTENTION
V
A
ET CALIBRATION COMME INDIQUE.
D'INCENDIE, REMPLACER UNIQUEMENT
PERMANENTE CONTRE LES RISQUES
AFIN D'ASSURER UNE PROTECTION
PAR UN FUSIBLE DE MEME TYPE
AGAINST FIRE HAZARD, REPLACE
V
A
FOR CONTINUED PROTECTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
CAUTION
THE COMPONENTS IDENTIFIED BY MARK
ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS (
) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
1/8 PAGE
EXPLODED VIEW PARTS LIST
<Notes>
(B) : Black model
(S) : Silver model
<L> : Lch
<R> : Rch
REF. NO.
PART NAME
DESCRIPTION
Q'TY PART NO. (SN)
REMARKS
EXPLODED
SKW-520 (B) : POWERED SUBWOOFER
EXPLODED
SKW-520 (S) : POWERED SUBWOOFER
EXPLODED
AMPLIFIER SECTION (SKW-520)
EXPLODED
Q515
TR
2SC5359-R
1
2203082
!
EXPLODED
Q515 or
TR
2SC5359-O
(1)
2203083
!
EXPLODED
Q516
TR
2SA1987-R
1
2203072
!
EXPLODED
Q516 or
TR
2SA1987-O
(1)
2203073
!
EXPLODED
Q541
TR
2SC3423-Y
1
2202104
EXPLODED
Q541 or
TR
2SC3423-O
(1)
2202103
EXPLODED
Q951
TR
KTC2026-Y
1
2203594
EXPLODED
Q951 or
TR
KTC2026-GR
(1)
2203595
EXPLODED
Q951 or
TR
2SD1266-P
(1)
2202754
EXPLODED
Q952
TR
KTA1046-Y
1
2203614
EXPLODED
Q952 or
TR
KTA1046-GR
(1)
2203615
EXPLODED
Q952 or
TR
2SB941-P
(1)
2202764
EXPLODED
<Note>
EXPLODED
When replacement the following the transistor, made from the same HFE rank as the original type.
EXPLODED
Q515, Q516, Q541, Q951, Q952
EXPLODED
A01
HEAT SINK
RAD-197
1
27160547
EXPLODED
A02
CUSHION
AF (t1.0x7x183)
2
28141572A
EXPLODED
A03
CUSHION
AG (t1.0x7x123)
2
28141573A
EXPLODED
A04
CUSHION
(IN)
1
28141574
EXPLODED
A05
SCREW
3TTB+8B (BC)
8
838430088
EXPLODED
A05
SCREW
3TTB+8B (BC)
3
838430088
EXPLODED
A06
BRACKET
BRACKET
2
27130745
EXPLODED
A07
ISO SHEET
AC262
2
223025
EXPLODED
A08
SCREW
3SMS8W.SW+14B (BC)
2
801433
EXPLODED
A10
SCREW
3TTB+8B
1
838130088
EXPLODED
A10
SCREW
3TTB+8B
4
838130088
EXPLODED
A10
SCREW
3TTB+8B
2
838130088
EXPLODED
A11
RETAINER
(PCB)
1
27141912
EXPLODED
A13
COVER
---
1
28184894
EXPLODED
A15
RETAINER
(AC)
1
27141913
EXPLODED
A16
SCREW
3TTB+12B (BC)
2
838430128
EXPLODED
A101
REAR PANEL
(MDD)
1
27123254A
EXPLODED
A102
BUSHING
S-RELIEF
#2271
1
27300750
!
EXPLODED
A103
KNOB
(VOL)
1
28326201
EXPLODED
F901
FUSE
5A-UL/T-237
1
252164
!
EXPLODED
P902
AC CORD
AS-UC-2
1
253333VOL
!
EXPLODED
P902 or
AC CORD
AS-UC-2
(1)
253368LTK
!
EXPLODED
T901
P TRANS
NPT-1495D
1
2301745
!
HTP-520/SKS-HT520
NOTE : THE COMPONENTS IDENTIFIED BY THE MARK
! ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH PART
NUMBER SPECIFIED.
2/8 PAGE
EXPLODED
U01
AMPLIFIER PC BOARD
NAAF-8275-1A
1
1B032575-1A
EXPLODED
U02
INPUT TERMINAL PC BOARD
NAETC-8276-1A
1
1B032576-1A
EXPLODED
U03
POWER TRANSFORMERPC BOAR
NAPS-8277-1A
1
1B032577-1A
EXPLODED
U04
THERMAL SENSOR PC BOARD
NAETC-8312-1A
1
1B032512-1A
EXPLODED
U05
HOLDER PC BOARD
NAETC-8317-1A
1
1B032517-1A
EXPLODED
SPEAKER SECTION (SKW-520)
EXPLODED
SP01a
CABINET ASS'Y
SKW-520 (B)
1
000-SKW520BSER
(B)
EXPLODED
SP01b
CABINET ASS'Y
SKW-520 (S)
1
000-SKW520SSER
(S)
EXPLODED
SP02
PLASTIC FOOT
---
4
D249-W52001B-10
EXPLODED
SP03a
BOTTOM BOARD
(B)
1
105-02520B-00
(B)
EXPLODED
SP03b
BOTTOM BOARD
(S)
1
105-02520S-00
(S)
EXPLODED
SP04
NAME PLATE
(SKW-520 / ONKYO)
1
D231-W52001B-20
EXPLODED
SP05
WOOD SCREW
Bind 4 x L75 (FOR FOOT)
8
411-B14075AB1
EXPLODED
SP06
WOOD SCREW
4STT + 20A (FOR AMP / SP)
16
837440204
EXPLODED
SP07
SCREW
4 x 24 (FOR POWER TRANSFORMER)
4
412-D840250B1
EXPLODED
SP08
WOOFER
10" 4 ohm 80W (ONKYO)
1
W2301B
EXPLODED
SP09
LED HARNESS ASS'Y
---
1
335-SKW520-00
EXPLODED
SP11
CUSHION RUBBER PAD
14 x 89 T2 RUBBER (FOR P-TRANS)
2
442-902123-00
EXPLODED
SKF-520F (B) <L> / <R> : FRONT SPEAKERS
EXPLODED
SKF-520F (S) <L> / <R> : FRONT SPEAKERS
EXPLODED
SP21a
CABINET ASS'Y
SKF-520F (B) <L>
1
000-SKF520FBLSER
(B), <L>
EXPLODED
SP21b
CABINET ASS'Y
SKF-520F (B) <R>
1
000-SKF520FBRSER
(B), <R>
EXPLODED
SP21c
CABINET ASS'Y
SKF-520F (S) <L>
1
000-SKF520FSLSER
(S), <L>
EXPLODED
SP21d
CABINET ASS'Y
SKF-520F (S) <R>
1
000-SKF520FSRSER
(S), <R>
EXPLODED
SP22
CATCHING HOLDER
---
4
D230-DN3X01B-01
EXPLODED
SP23
WOOFER
W1364A (ONKYO)
2
W1364A
EXPLODED
SP24
TWEETER
(WITH ABSORBER)
1
302-D1F5200202
EXPLODED
SP26
SCREW
4/16 HEX 8.3ED
12
411-H84016AB2
EXPLODED
SP27
SCREW
3.5/16 HEX 7.0ED
4
411-H83516AB1
EXPLODED
SP28
NETWORK ASS'Y
---
1
310-SKF520-00
EXPLODED
SP29a
TERMINAL
WHITE / BLACK
1
332-LY104B-40
<L>
EXPLODED
SP29b
TERMINAL
RED / BLACK
1
332-LY104B-00
<R>
EXPLODED
SP31a
SPEC LABEL (L)
---
1
600-KF520L-00
<L>
EXPLODED
SP31b
SPEC LABEL (R)
---
1
600-KF520R-00
<R>
EXPLODED
SP33a
GRILLE ASS'Y
(WITH GRILLE CLOTH and LOGO)
1
D201-F52001B-90
(B)
EXPLODED
SP33b
GRILLE ASS'Y
(WITH GRILLE CLOTH and LOGO)
1
D201-F52001S-90
(S)
EXPLODED
SKC-520C (B) : CENTER SPEAKER
EXPLODED
SKC-520C (S) : CENTER SPEAKER
EXPLODED
SP41a
CABINET ASS'Y
SKC-520C (B)
1
000-SKC520CBSER
(B)
EXPLODED
SP41b
CABINET ASS'Y
SKC-520C (S)
1
000-SKC520CSSER
(S)
EXPLODED
SP42
CATCHING HOLDER
---
4
D230-DN3X01B-01
EXPLODED
SP43
WOOFER
W1063A (ONKYO)
2
W1063A
EXPLODED
SP44
TWEETER
(WITH ABSORBER)
1
302-D1F5200202
EXPLODED
SP46
SCREW
4/16 HEX 8.3ED
8
411-H84016AB2
EXPLODED
SP47
SCREW
3.5/16 HEX 7.0ED
4
411-H83516AB1
EXPLODED
SP48
NETWORK ASS'Y
---
1
310-SKC520-00
EXPLODED
SP49
TERMINAL
GREEN / BLACK
1
332-LY104B-30
EXPLODED
SP51
SPEC LABEL
---
1
600-SKC520-00
EXPLODED
SP53a
GRILLE ASS'Y
(WITH GRILLE CLOTH and LOGO)
1
D201-C52001B-90
(B)
EXPLODED
SP53b
GRILLE ASS'Y
(WITH GRILLE CLOTH and LOGO)
1
D201-C52001S-90
(S)
EXPLODED
SKM-520S (B) <L> / <R> : SURROUND SPEAKERS
3/8 PAGE
EXPLODED
SKM-520S (S) <L> / <R> : SURROUND SPEAKERS
EXPLODED
SP61a
COMPLETE UNIT
"SKM-520S (B) <L>"
1
000-SKM520SBL
(B), <L>
EXPLODED
SP61b
COMPLETE UNIT
"SKM-520S (S) <L>"
1
000-SKM520SSL
(S), <L>
EXPLODED
SP62
SPEC LABEL (L)
---
1
600-KM520L-00
<L>
EXPLODED
SP63a
COMPLETE UNIT
"SKM-240S (B) <R>"
1
000-SKM520SBR
(B), <R>
EXPLODED
SP63b
COMPLETE UNIT
"SKM-240S (S) <R>"
1
000-SKM520SSR
(S), <R>
EXPLODED
SP64
SPEC LABEL (R)
---
1
600-KM520R-00
<R>
EXPLODED
SKB-520 (B) : SURROUND BACK SPEAKER
EXPLODED
SKB-520 (S) : SURROUND BACK SPEAKER
EXPLODED
SP65a
COMPLETE UNIT
"SKB-520 (B)"
1
000-SKB520B
(B)
EXPLODED
SP65b
COMPLETE UNIT
"SKB-520 (S)"
1
000-SKB520S
(S)
EXPLODED
SP66
SPEC LABEL
---
1
600-SKB520-00
PRINTED CIRCUIT BOARD PARTS LIST
SKW-520
U01
AMPLIFIER PC BOARD (NAAF-8275-1A)
U02
INPUT TERMINAL PC BOARD (NAETC-8276-1A)
U03
POWER TRANSFORMER PC BOARD (NAPS-8277-1A)
U04
THERMAL SENSOR PC BOARD (NAETC-8312-1A)
U05
HOLDER PC BOARD (NAETC-8317-1A)
CIRCUIT NO. PART NAME
DESCRIPTION
Q'TY PART NO. (SN)
REMARKS
PWB
Q301
IC
NJM4558L-D
1
22240293
PWB
Q302
IC
NJM4558L-D
1
22240293
PWB
Q601
IC
NJM4558L-D
1
22240293
PWB
Q501
TR
KTC3200-BL
1
2215896
PWB
Q501 or
TR
2SC1775A-E
(1)
2210755
PWB
Q501 or
TR
2SC1775A-F
(1)
2210756
PWB
Q502
TR
KTC3200-BL
1
2215896
PWB
Q502 or
TR
2SC1775A-E
(1)
2210755
PWB
Q502 or
TR
2SC1775A-F
(1)
2210756
PWB
Q503
TR
2SC2240-BL
1
2211406
PWB
Q504
TR
2SC2240-BL
1
2211406
PWB
Q505
TR
KTA1024-Y
1
2215844
PWB
Q505 or
TR
KTA1024-O
(1)
2215843
PWB
Q505 or
TR
2SA949-Y
(1)
2211354
PWB
Q505 or
TR
2SA949-O
(1)
2211353
PWB
Q506
TR
KTC3206-Y
1
2215854
PWB
Q506 or
TR
KTC3206-O
(1)
2215853
PWB
Q506 or
TR
2SC2229-Y
(1)
2211634
PWB
Q506 or
TR
2SC2229-O
(1)
2211633
PWB
Q507
TR
KTA1024-Y
1
2215844
PWB
Q507 or
TR
KTA1024-O
(1)
2215843
PWB
Q507 or
TR
2SA949-Y
(1)
2211354
HTP-520/SKS-HT520
NOTE : THE COMPONENTS IDENTIFIED BY THE MARK
! ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH PART
NUMBER SPECIFIED.
4/8 PAGE
PWB
Q507 or
TR
2SA949-O
(1)
2211353
PWB
Q509
TR
KTA1024-Y
1
2215844
PWB
Q509 or
TR
KTA1024-O
(1)
2215843
PWB
Q509 or
TR
2SA949-Y
(1)
2211354
PWB
Q509 or
TR
2SA949-O
(1)
2211353
PWB
Q510
TR
KTC3206-Y
1
2215854
PWB
Q510 or
TR
KTC3206-O
(1)
2215853
PWB
Q510 or
TR
2SC2229-Y
(1)
2211634
PWB
Q510 or
TR
2SC2229-O
(1)
2211633
PWB
Q513
TR
KTD2061-Y
1
2203434
PWB
Q513 or
TR
2SD1763-E
(1)
2201945
PWB
Q513 or
TR
2SD1763A-D
(1)
2202034
PWB
Q513 or
TR
2SC5171
(1)
2203010
PWB
Q514
TR
KTB1369-Y
1
2203424
PWB
Q514 or
TR
2SB1186-E
(1)
2201935
PWB
Q514 or
TR
2SB1186A-D
(1)
2202024
PWB
Q514 or
TR
2SA1930
(1)
2203000
PWB
Q517
TR
2SA933S-S
1
2213355
PWB
Q517 or
TR
2SA933S-R
(1)
2213354
PWB
Q517 or
TR
KTA1267-GR
(1)
2215995
PWB
Q518
TR
2SC2235-Y
1
2211654
PWB
Q519
TR
2SA965-Y
1
2211644
PWB
Q602
TR
KRC103M
1
2215810
PWB
Q602 or
TR
DTC124ES
(1)
2213160
PWB
Q603
TR
2SC1740S-S
1
2213285
PWB
Q603 or
TR
2SC1740S-R
(1)
2213284
PWB
Q603 or
TR
KTC3199-GR
(1)
2215864
PWB
Q604
TR
2SA933S-S
1
2213355
PWB
Q604 or
TR
2SA933S-R
(1)
2213354
PWB
Q604 or
TR
KTA1267-GR
(1)
2215995
PWB
Q605
TR
2SA933S-S
1
2213355
PWB
Q605 or
TR
2SA933S-R
(1)
2213354
PWB
Q605 or
TR
KTA1267-GR
(1)
2215995
PWB
Q606
TR
KRA103M
1
2215780
PWB
Q606 or
TR
DTA124ES
(1)
2212600
PWB
Q606 or
TR
RN2203
(1)
2213580
PWB
Q607
TR
2SA933S-S
1
2213355
PWB
Q607 or
TR
2SA933S-R
(1)
2213354
PWB
Q607 or
TR
KTA1267-GR
(1)
2215995
PWB
Q608
TR
2SC1740S-S
1
2213285
PWB
Q608 or
TR
2SC1740S-R
(1)
2213284
PWB
Q608 or
TR
KTC3199-GR
(1)
2215864
PWB
Q609
TR
2SC1740S-S
1
2213285
PWB
Q609 or
TR
2SC1740S-R
(1)
2213284
PWB
Q609 or
TR
KTC3199-GR
(1)
2215864
PWB
<Note>
PWB
When replacement the following the transistor, made from the same HFE rank as the original type.
PWB
D601
ZENER D
MTZJ2.7B
1
224470272
PWB
D602
ZENER D
MTZJ2.7B
1
224470272
PWB
D603
DIODE
1SS133
1
223163
PWB
D603 or
DIODE
1SS270A
(1)
223205