SCHEMATIC DIAGRAM
SKW-820 :
POWERED
SUBWOOFER
HTP-820
HTP-820
A
1
2
3
4
5
B
C
D
E
F
G
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
