Page 1
TS-W37
U EZ HR
SERVICE MANUAL
POWERD SUBWOOFER
S/M Code No. 09-003-342-3N1
DATA
Page 2
SPECIFICATIONS
Input terminals INPUT 1 jack
INPUT 2 terminals
Input sensitivity/Impedance INPUT 1: 0.2 V/50 kiro ohms (at 60 Hz)
INPUT 2: 2 V/4.4 kiro ohms (L and R) (at 60 Hz)
Output terminals SPEAKERS OUT terminals
Power output <U Model>
32 W (50 Hz to 120 Hz, T.H.D. less than 1%, 8 ohms)
40 W (8 ohms, T.H.D. 10% at 60 Hz)
<EZ, HR Models>
32 W (8 ohms, T.H.D. 1% at 60 Hz)
40 W (8 ohms, T.H.D. 10% at 60 Hz)
Frequency response 45 Hz - 200 Hz
Speaker type Bass reflex type
Speaker unit 13 cm (5
Power requirement <U model>
AC 120 V, 60 Hz
<EZ Model>
AC 230 V, 50 Hz
<HR Model>
AC 120 V/220 V - 240 V switchable, 50/60 Hz
Power consumption 30 W <U model>
48 W <EZ, HR Models>
Dimensions 160 x 233 x 376 mm (W x H x D)
(6
Weight 5.8 kg (12 lbs 13 oz.)
1
/8 in.) (Magnetically shielded type)
3
/8 x 91/8 x 147/8 in.)
• Design and specifications are subject to change without notice.
ACCESSORIES LIST
REF. NO PART NO. KANRI DESCRIPTION
NO.
1 8A-YP5-901-010 IB,H(ECA)D<HR>
1 8A-YP5-903-010 IB,U(ESF)D<U>
1 8A-YP5-906-010 IB,EZ(9L)D<EZ>
2 87-YP3-632-010 186-C13000,CORD ASSY
! 3 87-099-789-010 PLUG,ADPTR IR44<HR>
2
Page 3
G
S
D
2SK2158
E C B
2SC2240
KTA1266
KTC3198
S D G
2SJ460
E C B
DTA114ES
B C E
2SB1616
2SD2478
ELECTRICAL MAIN PARTS LIST
REF. NO PART NO. KANRI DESCRIPTION
TRANSISTOR
87-A30-127-010 TR,2SD2478
87-A30-126-010 TR,2SB1616
87-A30-091-080 FET,2SJ460
87-026-609-080 TR,KTA1266GR
87-026-610-080 TR,KTC3198GR
87-A30-087-080 C-FET,2SK2158
87-026-269-080 TR,DTA114ES
89-322-405-080 TR,2SC2240GR
DIODE
8Z-YP2-618-010 151-540235,DIODE 1N5402 LT
87-020-465-080 DIODE,1SS133 (110MA)
87-A40-349-080 ZENER,HTZJ7.5C
MAIN C.B
C1 87-010-178-080 C-CAP,S 1000P
C2 87-010-178-080 C-CAP,S 1000P
C3 87-010-805-080 C-CAP,1-16
C104 87-016-539-090 CAP,E 3300-35 SMG
C105 87-016-539-090 CAP,E 3300-35 SMG
C201 87-010-246-080 CAP, ELECT 47-35V
C202 87-010-246-080 CAP, ELECT 47-35V
C203 87-010-384-080 CAP, ELECT 100-25V
C204 87-010-384-080 CAP, ELECT 100-25V
C205 87-010-384-080 CAP, ELECT 100-25V
C206 87-010-384-080 CAP, ELECT 100-25V
C207 87-012-156-080 C-CAP,S 220P-50 CH
C208 87-012-156-080 C-CAP,S 220P-50 CH
C209 87-010-196-080 CHIP CAPACITOR,0.1-25
C210 87-010-196-080 CHIP CAPACITOR,0.1-25
C211 87-010-196-080 CHIP CAPACITOR,0.1-25
C212 87-010-196-080 CHIP CAPACITOR,0.1-25
C213 87-010-197-080 CAP, CHIP 0.01 DM
C214 87-010-406-080 CAP, ELECT 22-50
C215 87-010-406-080 CAP, ELECT 22-50
C301 87-010-401-080 CAP, ELECT 1-50V
C304 87-010-544-080 CAP, ELECT 0.1-50V
C305 87-010-383-080 CAP, ELECT 33-25V
C306 87-010-405-080 CAP, ELECT 10-50V
C307 87-010-544-080 CAP, ELECT 0.1-50V
C308 87-010-404-080 CAP, ELECT 4.7-50V
C309 87-010-405-080 CAP, ELECT 10-50V
C401 87-010-401-080 CAP, ELECT 1-50V
C402 87-010-385-080 CAP, ELECT 220-25V
C405 87-010-401-080 CAP, ELECT 1-50V
C406 87-010-385-080 CAP, ELECT 220-25V
C407 87-010-385-080 CAP, ELECT 220-25V
C408 87-010-405-080 CAP, ELECT 10-50V
C409 87-010-405-080 CAP, ELECT 10-50V
C410 87-010-404-080 CAP, ELECT 4.7-50V
C411 87-010-405-080 CAP, ELECT 10-50V
C412 87-010-405-080 CAP, ELECT 10-50V
C413 87-010-402-010 CAP,E 2.2-50V
C414 87-010-401-080 CAP, ELECT 1-50V
C415 87-010-384-080 CAP, ELECT 100-25V
C416 87-010-402-010 CAP,E 2.2-50V
CN104 87-009-033-010 CONN.5P V WHT PT
CN301 87-099-043-010 CONN 2P EH
CNA101 8A-YP5-610-010 CONN ASSY,4P SCNEHR
J401 87-099-801-010 JACK,PIN 1P BLK
J402 87-A60-356-010 TERMINAL,SP 4P
J403 87-A60-356-010 TERMINAL,SP 4P
R223 8Z-YP2-613-080 116-R1WR22JT,RES M/F 0.22 R224 8Z-YP2-613-080 116-R1WR22JT,RES M/F 0.22 S201 8A-YP5-616-010 SW,SL 2-2-2 SSSF125800
S301 86-SP2-633-010 SW,SL 1-1-2
NO.
REF. NO PART NO. KANRI DESCRIPTION
S401 86-SP2-633-010 SW,SL 1-1-2
FRONT C.B
CN105 87-009-033-010 CONN.5P V WHT PH
D301 87-A40-619-080 LED,SLR-56PT-TE7-W GRN
VR401 8A-YP3-617-010 VR,RTRY 20KX1 1
TRANS C.B
C101 87-A10-479-090 CAP,CER 2200P-250 MEH
C102 87-018-209-080 CAP, CER 0.1-50V
C103 87-018-209-080 CAP, CER 0.1-50V
CN101 87-049-469-010 CONN,4P V
CN102 87-099-674-010 CONN,2P VA V
!CN106 87-A60-959-010 CONN.5P VHB5P9<HR>
!F101 87-035-483-010 FUSE,1.25A 125V T237<U>
!F101 87-035-453-010 FUSE,1.25A 250V T218<EZ,HR>
!FC101 87-033-213-080 CLAMP, FUSE
!FC102 87-033-213-080 CLAMP, FUSE
!PR101 87-026-681-080 PR0TECTOR,5A60V 491<EZ,HR>
!PR102 87-026-681-080 PR0TECTOR,5A60V 491<EZ,HR>
!PT101 8A-YP5-618-010 PT,EZ<EZ>
!PT101 8A-YP5-617-010 PT,HR<HR>
!PT101 8A-YP5-606-010 PT,U<U>
!T101 82-304-743-010 TERMINAL, 1P
!T102 82-304-743-010 TERMINAL, 1P
AC SW C.B<HR>
!CON106 8A-YP5-622-010 CONN ASSY,5P VH<HR>
!S501 87-036-211-010 SW,SL 2-2-3 DPDT R<HR>
POWER SW C.B
CN103 87-A61-327-010 CONN.2P H WHT VA
!S101 87-YP5-626-010 SW,PUSH 1-1-1 SY16-52-3
NO.
CHIP RESISTOR PART CODE
Chip Resistor Part Coding
88
A
Resistor Code
Chip resistor
Wattage Type Tolerance
1/16W 1005 5% CJ
1/16W
1/10W
1/8W
TRANSISTOR ILLUSTRATION
1608
2125
3216
5%
5%
5%
Symbol
CJ
CJ
CJ
Figure
Value of resistor
Form
L
Dimensions (mm)
t
W
0.55
Resistor Code
108
118
128
LW t
1.0 0.5 0.35 104
1.6 0.8 0.45
2 1.25 0.45
3.2
1.6
: A
: A
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SCHEMATIC DIAGRAM
Q405
PHASE CUT-OVER
Q201,Q203,Q205,Q207
DIFFERENTIAL AMP
16
Q401,Q406
BUFFER
AGC
LOW PASS FILTER
POWER AMP
POWER AMP
DRIVER AMP
POWER AMP
Q215,Q217
PROTECTOR
Q218,Q219
ABNORMAL DETECTION
AMP
BUFFER
AMP
SWITCH
CONTROL
SWITCH
CONTROL
AC DETECTION
Q202,Q204,Q206,Q208
DIFFERENTIAL AMP
DRIVER AMP
POWER AMP
Q216
PROTECTOR
AC230V,50Hz
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WIRING
A
B
C
D
1
234567
8
9
10
11 12 13
14
E
F
G
H
I
AC230V, 50Hz
J
87
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MECHANICAL EXPLODED VIEW 1/1
11
BINDER,WIRE
10
B
FRONT
C.B
C
A
8
9
10
B
5
POWER SW
C.B
B
F
13
F
A
C
F
CUSH,SEAL
F
E
12
12
A
F
F
7
CHAS,MAIN
E
D
2
4
HT-SINK,
F
MAIN
A
14
15
16
1
3
6
C
C
TRANS C.B
A
MAIN C.B
A
A
109
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MECHANICAL MAIN PARTS LIST 1/1
REF. NO PART NO. KANRI DESCRIPTION
1 8A-YP5-005-010 BTN,POWER<U,HR>
1 8A-YP5-013-010 BTN,POWER S<EZ>
2 8A-YP5-003-010 KNOB,RTRY VOL<U,HR>
2 8A-YP5-012-010 KNOB,RTRY VOL S<EZ>
3 8A-YP5-002-010 CABI,PANEL<U,HR>
3 8A-YP5-011-010 CABI,PANEL S<EZ>
4 8A-YP5-004-010 WINDOW,LED
5 8A-YP5-208-010 COVER,SW
6 8A-YP5-001-010 CABI,FRONT
7 8A-YP5-201-010 RING,DUCT
8 8A-YP5-607-010 SPKR,130 8OHM
9 8A-YP5-207-010 BOARD,WOOD FRONT
10 8A-YP2-215-010 BUSHING,WIRE
11 8A-YP5-008-010 CABI,WOOD BOX
12 86-SP8-206-010 FOOT,BOT
13 8A-YP5-006-010 CABI,REAR
14 8A-YP5-014-010 PLATE,AC H<HR>
14 8A-YP5-009-010 PLATE,AC<U,EZ>
15 86-SP2-637-010 BUSHING,AC U
! 16 87-YP4-620-010 181-207002BC,AC CORD ASSY<U>
! 16 86-SP2-634-010 AC CORD,E<EZ,HR>
A 87-067-703-010 TAPPING SCREW, BVT2+3-10
B 8Z-YP1-231-010 SW+3.5-12
C 87-067-566-010 TAPPING SCREW, VFTT+3-6
D 87-067-689-010 TAPPING SCREW, BVTT+3-8
E 8Z-YP1-233-010 SW+3.5-20
F 87-067-698-010 BVT2+3-18(W/O,SLOT)
NO.
COLOR NAME TABLE
Basic color symbol Color Basic color symbol Color Basic color symbol Color
B Black C Cream D Orange
G Green H Gray L Blue
LT Transparent Blue N Gold P Pink
R Red S Silver ST Titan Silver
T Brown V Violet W White
WT Transparent White Y Yellow YT Transparent Yellow
LM Metallic Blue LL Light Blue GT Transparent Green
LD Dark Blue DT Transparent Orange
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2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
737004
Printed in Singapore
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