Infinity PRELUDE MTS Service Manual

Prelude MTS Subwoofer
24
OPAMP, QUAD 14P DIL TL074/084, LM324N
COMPARATOR U102, U103, U201, U202, U203,
U301, U306
OUTPUT C
V+
V-
OUTPUT B
-INPUT A -INPUT D
-INPUT B -INPUT C
+INPUT A +INPUT D
+INPUT B +INPUT C
OUTPUT A OUTPUT D
14
11
1
4
13
10
2
5
12
9
3
6
8
7
A
B
C
D
OPAMP, DUAL 8PIN DIL TL082
U101
00095
2
Base
3 Collector
1 Emitter
1
2
3
TRANS, NPN 150V 0.6A 2N5551, 2N4401,
Q303, Q308, Q322, Q323,
Q204,
Q314, Q315, Q317,
Q501
2
Base
3 Collector
1 Emitter
1
2
3
TRANS, PNP 150V 0.6A 2N5401,Q302,
Q304, Q309, Q313, Q316, Q324, Q401
-5V TO220 LM7905CT
REGULATOR
U303, 502
2
1
6
5
4
FOTO, 6PIN MOC3012
U304
123
IRFZ40, Q403, Q404, Q406, Q407
MOSFET, IRF640/9640, T0220AB
Q305, Q310, Q320, Q321, Q306,
Q307, Q311, Q312
PWM, 8PIN DIL UC3842N
U307
5.0V
Osc
PWM
UNDER VOLTAGE
LOCKOUT
OUTPUT
CURRENT SENSE
GND
5
Vcc
8
4
2
1
7
6
3
R
R
1
2
3
4
8
7
6
5
A
-
+
B OUTPUT
A OUTPUT
B -INPUT
A -INPUT
B +INPUT
A +INPUT
V -
V+
B
- +
FOTO, 6PIN 4N35
U104
1
2
3
6
5
4
TRANS, NPN 250V 1A
T0220 TIP47C Q319
+5V TO220 LM7805CT
REGULATOR
U302, 501
1. GROUND
2. INPUT
3. OUTPUT
1. INPUT
2. GROUND
3. OUTPUT
JFET, Q201, Q202,
Q205, Q301, Q101
1
2
3
1. G
2. D
3. S
1. D
2. S
3. G
3
Integrated Circuit Diagrams

Infinity PRELUDE MTS Specifications

General

Brand	Infinity
Model	PRELUDE MTS
Category	Speaker System
Language	English