Integrated Circuit Diagrams - Infinity Prelude MTS Service Manual

Prelude MTS Subwoofer
OPAMP, QUAD 14P DIL TL074/084, LM324N
COMPARATOR U102, U103, U201, U202, U203,
U301, U306
OUTPUT A 1
-INPUT A 2
+INPUT A 3
V+ 4
+INPUT B 5
-INPUT B 6
OUTPUT B
7
PWM, 8PIN DIL UC3842N
U307
8
5.0V
R
UNDER VOLTAGE
R
4
Osc
2
1
GND
FOTO, 6PIN 4N35
U104
1
2
3
TRANS, NPN 150V 0.6A 2N5551, 2N4401,
Q303, Q308, Q314, Q315, Q317,
Q204, Q501
2
Base
1
2 3
TRANS, PNP 150V 0.6A 2N5401,Q302,
Q304, Q309, Q313, Q316, Q324, Q401
1
2 3

Integrated Circuit Diagrams

14 OUTPUT D
A D
13 -INPUT D
12 +INPUT D
11
V-
10 +INPUT C
9 -INPUT C
B C
8 OUTPUT C
Vcc
7
LOCKOUT
OUTPUT
PWM
6
CURRENT SENSE
3
5
FOTO, 6PIN MOC3012
U304
1
6
5
2
4
3
Q322, Q323,
3 Collector
1 Emitter
3 Collector
2
Base
1 Emitter
-5V TO220 LM7905CT
REGULATOR
U303, 502
1. GROUND
2. INPUT
3. OUTPUT
6
5
4
JFET, Q201, Q202,
Q205, Q301, Q101
1. D
2. S
3. G
1
2 3
24
OPAMP, DUAL 8PIN DIL TL082
U101
+
1 8 V
A OUTPUT
2 7
A -INPUT B OUTPUT
A
-
+
3 6
A +INPUT B -INPUT
B
-
+
-
V
4
5 B +INPUT
+5V TO220 LM7805CT
REGULATOR
U302, 501
1. INPUT
2. GROUND
3. OUTPUT
IRFZ40, Q403, Q404, Q406, Q407
MOSFET, IRF640/9640, T0220AB
Q305, Q310, Q320, Q321, Q306,
Q307, Q311, Q312
1. G
2. D
3. S
1 2 3
TRANS, NPN 250V 1A
T0220 TIP47C Q319