Page 1
Compositions Series
Overture 1
Powered Loudspeakers
Service Manual
Infinity Systems, Inc
250 Crossways Park Dr.
Woodbury, New York 11797
REV 0 12/00
Page 2
Overture 1
2
TABLE OF CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
DETAILED SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
WIRING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
OPERATING THE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
REPLACING THE FUSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
CARE OF YOUR SPEAKER SYSTEM/TROUBLESHOOTING . . . . . . . . . . . . . . . . . .8
MECHANICAL/PACKAGING PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
EXPLODED VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
PACKAGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
SERVICE BULLETIN INF9704 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
SERVICE BULLETIN INF9705 NOV. 1997 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
OVERTURE 1 TECH TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
TEST SET UP AND PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
DISSASSEMBLY PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
PCB DRAWINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
ELECTRICAL PARTS LIST (120V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
ELECTRICAL PARTS LIST (230V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
INTEGRATED CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
WIRING DIAGRAM/CROSSOVER NETWORK SCHEMATIC . . . . . . . . . . . . . . . . . .27
120V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
230V SCHEMATICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Page 3
Overture 1
3
Specifications
Frequency Response: 35Hz - 20,000Hz (±3dB)
Recommended Amplifier Power Range 10-100 watts*
Amplifier Peak Output: 250VA
Maximum Output: 108 dB SPL
Sensitivity: 92dB 2.83V @ 1 meter (anechoic
conditions)
Nominal Impedance: 8Ω
Crossover Frequencies: 300 and 3,000Hz
Low-Frequency Driver: 8” (203MM) high-efficiency, ultralinear,
long-throw, magnetically shielded
woofer.
Mid-Bass Driver: (2) 4” (101mm) high-efficiency,
magnetically shielded midrange drivers
High-Frequency Driver: 1” (25mm) soft dome, high-efficiency,
neodymium magnet, magnetically
shielded tweeter
Dimensions (H x W x D): 12-1/2"H x 5-3/4"W x 12-1/2"D
(318mm x 146mm x 318mm)
Weight: 28.5 lb (13.0 kg) Each
Power Consumption: 150 watts (Maximum)
7 watts (Standby)
* The maximum recommended amplifier power rating will ensure proper system headroom to allow
for occasional peaks. We do not recommend sustained operation at these maximum power levels.
Page 4
Detailed Specifications
Overture 1
4
Page 5
Overture 1
5
Wiring The System
Page 6
Overture 1
6
Operating The System
Page 7
Overture 1
7
Replacing The Fuse
Page 8
Overture 1
8
Care Of Your Speaker System/Troubleshooting
Page 9
Overture 1
9
Mechanical/Packaging Parts List
1 CABINET NOT FOR SALE
2 SCREW, 8-32 x1/2 6 60673
3 1” (25mm) HIGH FREQUENCY TRANSDUCER, DCR=4.0 Ohms±10% 1 333232-001
4 WOOFER GRILLE 1 330956-001
5 MD/TWT ISOLATOR CUP 1 331914-001
6 FRONT BAFFLE 1 331181-001
7 SCREW, 6-32 x 3/8, PPHMS, CADCAD PLATED 8 10811
8 OVERTURE 1 AMPLIFIER 1 NOT FOR SALE
9 BAR 1 332091-001
11 SCREW, 6-32 x .5, MS, PPH, BLACK 6 900301-008
12 NUT, 8-32, KEP HEX, ZINC 2 907102-001
13 DACRON-1407 63991
14 WOOFER
(120v) 8” (203mm) WOOFER, DCR=14.1 Ohms±10% 1 331663-001*
(230v) 8” (203mm) WOOFER, DCR=28.0 Ohms±10% 1 333385-001
15 4” (101mm) MIDRANGE TRANSDUCER, DCR=7.3 Ohms±10% 2 330638-001
16 FOAM, MIDRANGE CUP 2 324324-001
17 GRILLE RETAINER, KIT, (4 PCS) 1 332162-001
18 GASKET, WOOFER 2 332204-001
19 WASHER, #6, FL 4 11638
20 CLAMP, WOOFER 6 332032-001
21 CROSSOVER NETWORK (120V) 1 331211-001
CROSSOVER NETWORK (230V) 1 333580-001
22 GAIN KNOB 1 146-8021
23 INPUT BINDING POST (RED) 1 331723-001
24 INPUT BINDING POST (BLACK) 1 331724-001
25 LOGO 1 332622-001
26 FRONT GRILLE 1 331185-001
PACKAGING
27 FOAM END PAD TOP AND BOTTOM 2 331213-001
28 FRONT GRILLE 1 331185-001
29 ACCESSORY KIT (See separate parts below) N/A
FOOT W/ ADHESIVE 332337-001
RUBBER FRONT FOOT 332068-001
FOOT, BUMP-ON, SQ, BLK. 1/8 X ½” 332182-001
FOOT, BUMP-ON, SQ, BLK. 1/4 X ½” 332183-001
SLOT PLUG 332067-001
FUSE 3A SLO-BLO 250V (120V) 1 331630-001
FUSE 1.6A SLO-BLOW 250V (230V) 1 333398-001
30 OUTER CARTON, (120V) 1 331212-001
OUTER CARTON, (230V) 1 333393-001
31 BAG, ZIPLOCK 1 315953-001
32 OWNER’S MANUAL(120V) 1 331214-001
OWNER’S MANUAL (230V) 1 333390-001
33 SURVEY CARD 1 330033-001
34 SAFETY SHEET 1 330100-001
Optional Center Stand 1 332518-001
Optional wall mount bracket can be obtained from:
OMNIMOUNT CO.
Model 100 WIN-1
OMNIMOUNT phone# (602) 829-8000
* 8” WOOFER (120v) part# 331663-001 represents the latest revision of low frequency transducer.
Earlier version, cast frame 8” WOOFER, part# 331284-001 is NLA.
Ref No. Description Qty Part No.
Page 10
Overture 1
10
Exploded View
INFINIT Y SYSTEMS, I NC . P R OP R I E T A RY
This document contains confidential
and proprietary information that is
the property of Infinity Systems, Inc.
and may not be disclosed to or
duplicated for others except as authorized
by Infinity Systems, Inc.
1
4
5
6
9
15 2 PL
8
20
11 2PL
11
7
4 PL
8 PL
12 2 PL
13
14
16 2 PL
6 PL
17
6 PL
2
18
4 PL
19
00395
SEE REAR
VIEW
BELOW
REAR VIEW
(AMP-WFR)
(AMP-XVR)
3
21
26
22
25
23
24
(2 PCS)
Page 11
Overture 1
11
Packaging
30
28
34
33
32
31
27
29
2 PL
(TOP OF CARTON)
00396
Page 12
Overture 1
12
Page 13
Overture 1
13
Page 14
Overture 1
14
Page 15
Overture 1
15
Test Set Up and Procedure
SIGNAL
GENERATOR
AMPLIFIER
AC VOLT
METER (10V)
OVERTURE 1
UNDER TEST
SPEAKER
OUTPUT
FROM
AMPLIFIER
00418
Page 16
Overture 1
16
Dissassembly Procedure
Page 17
Overture 1
17
Amplifier PCB Components Side
Page 18
Overture 1
18
Bass Amplifier PCB Solder Side
Page 19
Overture 1
19
Bass Amplifier PCB Component Side Silkscreen
Page 20
Overture 1
20
Electrical Parts List (120v)
Part# Qty Description Ref Designation
Semiconductors
DI1004 1 DIODE ZENER 6.2V 1/2W T/R ZD2
DI1060 9 Diode Switching 500mW 75V D1-2, 4-5, 6-9, 11
DI1089 1 Diode 1N4003 D10
DI1101 2 DIODE ZENER 10V 1/2W T/R ZD3, 5
CI1186 1 Diode Zener 36V 5% 5W T/R ZD1
DI1187 1 Di, Bridge Power 400v/8A D18
IC1045 1 Three-Term. Adj. Pos. V R LM317T U4
IC1215 2 IC TL064CN Quad OP AMP U1-2
IC1216 1 IC TL062CP Dual OP Amp. U3
TR1002 3 NPN Transistor TO-92 2N3904 Q1, 5, 7
TR1017 4 Transistor PNP T/R 2N3906 Q2-3, 6, 8
TR1257 2 MOSFET Power IRFS250 Q13-14
TR1259 3 NPN 300V/0.5A/20W BF469 Q4, 9, 12
TR1260 1 PNP 300V/0.5A/20W BF470 Q10
LE1034 1 Led Green/Red Common Cathode LED1
TR1304 1 NPN 60V/3A 25W 2SD2012 Q11
Capacitors
CP1126 1 CAP POLY FILM 1uF 10% 50V C19
CP1630 1 Cap. Alum El. 220uF 20% 25v C20
CP1656 1 Cap. Alum El. 100uF 20% NPE 25V T/R C2
CP1657 1 Cap. Alum El. 220uF 20% NPE C3
CP1658 4 Cap. Disc 100pF 10% 500V Y5P C4, 12, 14, 30
CP1659 1 Cap. NPE 10uF 20% 25V T/R C11
CP1660 2 Cap. Alum El. 1000uF 20% 200V 85C C15, 35
CP1661 1 Cap. Alum El. 100uF 20% 50V T/R C16
CP1662 5 Cap. Alum El. 10uF 20% 35V T/R C17-18, 22-23, 25
CP1663 1 Cap. Alum El. 47uF 20% 25V C21
CP1664 2 Cap. Alum El. 4.70uF 20% 63V T C24, 29
CP1665 1 Cap. Alum El. 10uF 20% 63V T/R C28
CP1666 2 Cap Cer Disc 68pF 20% 500V T/R C31-32
CP1667 1 Cap. Poly Fil. 0.47uF 10% 250V C33
CP1668 1 Cap. Alum El. 47uF 20% 100V C36
CP1669 1 Cap. Poly Fil. .10uF 10% 400V C40
CP1670 1 Cap. Poly Fil. .039uF 5% 50V C41
CP1672 3 Cap Poly 0.22uF 5% 63V T/R C5-6, 13
CP1673 1 Cap Poly Fil. 1uF 10% 50V C26
CP1674 1 Cap. Alum El. 1uF 20% 50V C27
CP1675 7 Cap. Poly Fil. 0.1uF 5% 5W C7, 9-10, 37-39, 42
Page 21
Overture 1
21
Resistors
RS2283 1 RES M/O F/P 5.1K ohm 5% 5W T/R R23
RS1036 1 RES M/F 36 ohm 5% 1/4W T/R R74
RS1058 1 RES M/F 51.1K ohm 1% 1/4W T/R R63
RS1063 1 RES M/F 1M ohm 1% 1/4W T/R R39
RS1150 1 RES M/F 43.2K ohm 1% 1/4W T/R R56
RS1153 1 RES M/F 47.5K ohm 1% 1/4W T/R R29
RS1161 1 RES M/F 11k ohm 1% 1/4W T/R R21
RS1268 1 RES M/F 2.21K ohm 1% 1/4W T/R R66
RS1342 1 RES M/F 9.09K ohm 1% 1/4W T/R R52
RS1351 1 RES M/F 13K ohm 1% 1/4W T/R R48
RS1353 3 RES M/F 3.01K ohm 1% 1/4W T/R R50-51, 57
RS1357 1 RES M/F 100 ohm 1% 1/4W T/R R54
RS1370 1 RES M/F 3.57K ohm 1% 1/4W T/R R24
RS1455 3 RES M/F 150K ohm 1% 1/4W T/R R35-36, 49
RS1492 1 RES M/F 221K ohm 1% 1/4W T/R R30
RS1505 1 RES M/F 475K ohm 1% 1/4W T/R R37
RS1562 1 RES M/F 82.5K ohm 1% 1/4W T/R R47
RS1585 1 RES M/F 475 ohm 1% 1/4W T/R R5
RS2018 3 RES M/F 10K ohm 1% 1/4W T/R R13, 18, 26
RS2019 8 RES M/F 20K ohm 1% 1/4W T/R R2, 12, 20, 41, 58, 69-71
RS2025 2 RES M/F 9.31K ohm 1% 1/4W T/R R1, 22
RS2100 2 RES M/F 22.1K ohm 1% 1/4W T/R R9-10
RS2124 1 RES M/F 2.37K ohm 1% 1/4W T/R R6
RS2125 2 RES M/F 59K ohm 1% 1/4W T/R R7, 15
RS2127 1 RES M/F 12.4K ohm 1% 1/4W T/R R8
RS2129 1 RES M/F 5.49K ohm 1% 1/4W T/R R11
RS2132 1 RES M/F 21.5K ohm 1% 1/4W T/R R17
RS2134 1 RES M/F 324K ohm 1% 1/4W T/R R19
RS2139 1 RES M/F 200 ohm 1% 1/4W T/R R25
RS2140 1 RES M/F 619K ohm 1% 1/4W T/R R32
RS2141 1 RES M/F 110K ohm 1% 1/4W T/R R33
RS2142 3 RES M/F 100K ohm 1% 1/4W T/R R34, 38, 53
RS2143 4 RES M/F 3.32K ohm 1% 1/4W T/R R27, 40, 46, 55
RS2144 2 RES M/F 1.3K ohm 1% 1/4W T/R R42, 60
RS2146 1 RES M/F 1.5M ohm 1% 1/4W T/R R44
S2147 1 RES M/F 249K ohm 1% 1/4W T/R R45
RS2148 1 RES M/F 130K ohm 1% 1/4W T/R R59
RS2149 6 Res. Fuse 1K ohm 5% 1/4W T/R R61-62, 64, 72-73, 76
RS2150 2 Res. Fuse 0.22 ohm 5% 1/2W T/R R65, 77
RS2151 1 RES M/O F/P 1K ohm 5% 2W T/R R68
S2152 1 RES M/F 75K ohm 1% 1/4W T/R R81
S2155 2 RES M/F 33K ohm 5% 1/2W T/R R43, 43B
Electrical Parts List (120v)
Part# Qty Description Ref Designation
Page 22
Overture 1
22
RS2158 1 RES M/F 3.3K ohm 5% 1/4W T/R R75
RS2181 2 RES M/F 2.21M ohm 1% 1/4W T/R R28, 31
RS2153 1 Potentiometer 20K ohm 20% BASS GAIN P1
RS2154 1 Potentiometer 2K ohm BIAS ADJ P2
Miscellaneous
MI1155 1 Transformer, Coupling T1
TH1017 1 Inrush Current Limiter 5A @10 ohms CL1
VA1009 1 Varistor 200V MOV1
BR1412 1 Clamp Transistor
BR1416 1 Plate Amp
BR1419 1 BAR AMP ASSY.
FH1004 1 Fuseholder 2AG Chassis Mount FH1
FS1064 1 Fuse Slo-Blo 3A/250v 2AG F1
HS1144 1 Heatsink Snowball 97-1
NU1049 8 Nut 8-32 x 1/4 Hex Keps Sink F
SC1099 2 SC 6-32 x 1/4 Mach-Thr Pan Phi
SP1084 1 Spcr Fibre ID 0.128” OD 0.245”
SP1086 1 Clamp Insulator Snowball
XX1280 1 Power Cord 12Ft 16AWG
XX1282 1 Strain Relief Black
XX1290 1 Knob, Bass Gain
RE1019 1 Relay, 12A, 48VDC K2
CO1345 1 Connector Binding Post Pair
Electrical Parts List (120v)
Part# Qty Description Ref Designation
Page 23
Overture 1
23
Semiconductors
DI1186 1 Diode Zener 36V 5% 5W T/R
IC1045 1 Three-Term. Adj. Pos. V R LM317T
IC1215 2 IC TL064CN Quad OP AMP
IC1216 1 IC TL062CP Dual OP Amp.
TR1002 3 NPN Transistor TO-92 2N3904
TR1017 4 Transistor PNP T/R 2N3906
TR1316 3 Xsistor ZTX658
TR1317 1 Xsistor ZTX758
TR1318 2 Pwr Mosfet STH16NA40FI
TR1304 1 NPN XSTR 60V/3A25W
DI1003 2 Diode Rectifier 1N4004
DI1004 1 DIODE ZENER 6.2V 1/2W T/R
DI1060 8 Diode Switching 500mW 75V
DI1224 1 DIODE PWR RECT 800V/3A
LE1034 1 Led Green/Red Common Cath
Capacitors
CP1126 1 CAP POLY FILM 1uF 10% 50V
CP1630 1 Cap Alum El 220uF 20% 25v
CP1656 1 Cap. Al El 100uF 20% NPE
CP1659 1 Cap. NPE 10uF 20% 25V T/R
CP1661 1 Cap. Alum El. 100uF 20% 5
CP1662 5 Cap. Alum El. 10uF 20% 35
CP1663 1 Cap. Alum El. 47uF 20% 25
CP1664 1 Cap. Alum EL. 4.70uF 20%
CP1666 2 Cap Cer Disc 68pF 20% 500
CP1669 1 Cap. Poly Fil .10uF 10% 4
CP1670 1 Cap. Poly Fil .039uF 5% 5
CP1672 3 Cap Poly 0.22uF 5% 63V T/
CP1673 1 Cap. Pol Fil 1nF 10% 50V
CP1674 1 Cap. Alum El. 1uF 20% 50V
CP1675 6 Cap. Pol Fil 0.1uF 5% 50V
CP1804 1 Cap Alum El 270uF 400V
CP1805 1 Cap Alum El 22uF 20% 100V
CP1806 1 Cap Poly Fil 0.22uF 10% 4
CP1807 1 Cap Al El 22uF 20% 250V
CP1829 1 Cap Al El 4.7uF 20% 100V
CP1828 1 Cap Alum El 390uF 20% 200
CP1846 1 CAP POLY FILM 56nF 5%
CP1658 3 Cap. Disc 100pF 10% 500V
CP1904 1 CAP POLY 0.022uF 20% 250V
Electrical Parts List (230v)
Part# Qty Description
Page 24
Overture 1
24
Resistors
RS2153 1 Potentiometer 20Kohm 20% Bass Gain
RS2369 1 POTENTIOMETER 1Kohm Bias Adj
RS2463 1 RES CEMENT 20Kohm 5% 5W
RS2151 1 RES M/O F/P 1Kohm 5% 2W
RS2296 2 RES M/O F/P 62Kohm 5% 2W
RS2301 2 Res Fuse 0.47 ohm 5% T/R
RS1058 1 RES M/F 51.1Kohm 1% 1/4W
RS1063 1 RES M/F 1 Mohm 1% 1/4W
RS1150 1 RES M/F 43.2Kohm 1% 1/4W
RS1153 1 RES M/F 47.5Kohm 1% 1/4W
RS1161 1 RES M/F 11Kohm 1% 1/4W
RS1342 2 RES M/F 9.09Kohm 1% 1/4W
RS1351 1 RES M/F 13Kohm 1% 1/4W
RS1353 2 RES M/F 3.01Kohm 1% 1/4W
RS1455 2 RES M/F 150Kohm 1% 1/4W
RS1492 1 RES M/F 221Kohm 1% 1/4W
RS1505 1 RES M/F 475Kohm 1% 1/4W
RS2018 5 RES M/F 10Kohm 1% 1/4W
RS2025 2 RES M/F 9.31Kohm 1% 1/4W
RS2125 2 RES M/F 59Kohm 1% 1/4W
RS2127 1 RES M/F 12.4Kohm 1% 1/4W
RS2129 1 RES M/F 5.49Kohm 1% 1/4W
RS2132 1 RES M/F 21.5Kohm 1% 1/4W
RS2141 1 RES M/F 110Kohm 1% 1/4W
RS2142 3 RES M/F 100Kohm 1% 1/4W
RS2143 2 RES M/F 3.32Kohm 1% 1/4W
RS2144 2 RES M/F 1.3Kohm 1% 1/4W
RS2146 1 RES M/F 1.5Mohm 1% 1/4W
RS2147 1 RES M/F 249Kohm 1% 1/4W
RS2149 2 Res. Fuse 1Kohm 5% 1/4W T
RS2152 1 RES M/F 75Kohm 1% 1/4W
RS2181 2 RES M/F 2.21Mohm 1% 1/4W
RS2295 1 RES M/F 511 ohm 1% 1/4W
RS2297 1 RES M/F 3.3Mohm 1% 1/4W
RS2298 1 RES M/F 301Kohm 1% 1/4W
RS2299 1 RES M/F 1.4Kohm 1% 1/4W
RS2300 1 RES M/F 374Kohm 1% 1/4W
RS2302 1 RES M/F 4.42Kohm 1% 1/4W
RS2304 2 Res Fuse 2Kohm 5% 1/3W T/
RS2305 1 Res Fuse 75 ohm 5% 1/3W T
RS2306 3 Res Fuse 6.8Kohm 5% 1/3W
RS2307 1 RES M/F 182Kohm 1% 1/4W
RS2139 1 RES M/F 200 ohm 1% 1/4W
Electrical Parts List (230v)
Part# Qty Description
Page 25
Overture 1
25
RS2364 1 RES M/F 6.04Kohm 1% 1/4W
RS1479 1 RES M/F 2.43Kohm 1% 1/4W
RS2019 4 RES M/F 20Kohm 1% 1/4W
RS2370 1 RES M/F 37.4Kohm 1% 1/4W
RS2303 3 RES M/F 39.2Kohm 1% 1/4W
RS1357 2 RES M/F 100 ohm 1% 1/4W
Miscellaneous
SC1099 2 SC 6-32x 1/4 Mach-Thr Pan
SP1084 1 “Spcr Fibre ID 0.128”” OD 0”
TE1198 1 Trmnl Female 0.187x0.020
TE1199 1 Trmnl Female 0.0250x.032
WA1084 1 Spacer Washer
XX1290 1 Knob Bass Level
XX1307 1 “AC Line Cord, 12 Ft”
XX1318 1 Terminal Blanking Plug Re
XX1319 1 Terminal Blanking Plug Bl
CC1062 4 FERRITE BEAD
WA1085 2 WASHER #6 INTERNAL STAR
BR1518 1 “BAR, SPREADER”
LB1304 1 LABEL GROUND
XX1326 1 STRAIN RELIEF
SP1092 2 NYLON STANDOFF
SC1234 1 SC 4-40x1/14 MACH-THR
SC1287 2 SC 10-32x1/4 MACH-THR
HS1169 1 HEATSINK OVTR1 EUROP
BR1419 1 BAR AMP ASSY. SNOWBALL 97
BR1500 1 “Plate, Amp “
BR1517 1 Transistor Clamp
FH1008 1 Fuseholder 5x20mm
FS1077 1 FUSE SLOW BLOW 1.6A 250V
NU1049 8 Nut 8-32 x 1/4 Hex Keps S
CO1345 1 Connector Bindingpost Pair
MI1175 1 Transformer Coupling
RE1023 1 Relay PC Mount
SW1081 1 Line Switch
TE1175 3 TERMINAL MALE TAB 0.250
TE1187 3 TERM MALE TAB 0.187
TH1017 1 Inrush Current Limiter
VA1010 1 Varistor 400V
TE1206 1 TERMINAL SOLDER RING
Electrical Parts List (230v)
Part# Qty Description
Page 26
Overture 1
26
Integrated Circuit Diagrams
Page 27
Overture 1
27
Wiring Diagram/Crossover Network Schematic
-IN
+IN
-MF
+MF
.250
.205
.205
.250
-HF
+HF
205
PCB
PCB
250
.250
.205
+MF
-MF
PCB
PCB
PCB
PCB
PCB
PCB
L1
0.51 mH
C1
120 uF
50V
C2
10 uF
100V
L2
4.5 mH
C3
150 uF
50V
C4
16 uF
100V
R1
5.6 ohms
5W
C5
4.7 uF
50V
L3
0.1 mH
R2
2 ohms
5W
00402
AMPLIFIER
.250
-LF
.205
+LF
YEL
YEL/BLK
NETWORK,
120V(331211-001)
240V (333580-001)
MIDRANGE
TRANSDUCERS (2)
(330638-001)
WOOFER,
120V (331663-001)
230V (333385-001)
TWEETER
(333232-001)
+
YEL/BLK
+
YEL
-
AMPLIFIER
GRN/BLK
GRN
-
GRN/BLK
+GRN
-
GRN/BLK
GRN
BLU/BLK
BLU
CROSSOVER NETWORK
SCHEMATIC
WIRING DIAGRAM
Page 28
Overture 1
28
120V Power Supply
Page 29
Overture 1
29
120V Filter/Connectors
Page 30
Overture 1
30
120V Amplifier
Page 31
Overture 1
31
230V Power Supply
Page 32
Overture 1
32
230V filter/Connectors
Page 33
Overture 1
33
230V amplifier
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