Bu80/Bu80E/Hts-10 Integrated Circuit/ Transistors Diagram - Infinity BU80E Service Manual

Amplifier/Subwoofer
BU-80/HTS-10 INTEGRATED CIRCUIT/TRANSISTORS DIAGRAM
+6V 15
16
17
V+
18
O/P 19
20
21
V-
22
+15V 23
SD 24
FR 25
I/P 26
GND 27
-15V 28
QUAD OP AMP,
LM324, TL074
U1, IC101
MOSFET TRANS
IRF530
TRANS, PNP, 2SA1015
Q2, 3
Q101, 104, 105
1. DRAIN
2. GATE
3. SOURCE
TRANS, PNP, 2N3906
MPS A56
Q2, 4, 5
1 2 3
S53AM/S64AMI - Power Amp module SAFETY PART
BU-80 and HTS-10 rev "A, B" ONL Y
1 +6V
NOTE: THE FOLLOWING PROCEDURES MUST BE FOLLOWED WHEN
INSTALLING NEW AMP MODULES:
2
FAILURE TO FOLLOW ONE OR MORE OF THESE STEPS MAY
RESULT IN THE INSTANT DESTRUCTION OF THE MODULE WHEN
3 V+
POWERED UP.
4
1) Align white indent marker on Amp Module with indent marker on main
O/P
5
PCB; alternately position of label on the top of the module; incorrectly
6 replacing the Module 180
2) All AC powered test instruments (meters, oscilloscopes, etc.) must
7
V-
have a floating ground, i.e. be connected to an isolation transformer.
8
3) Align and position the Amp Module before soldering.
9 +15V
4) Attach the amp Module with the mounting screws before soldering or
10 SD
powering up.
5) Use only rosin-core or non-acid core solder; thoroughly de-flux the
11 FR
surfaces after soldering.
12 I/P
If the new Amp Module has larger mounting hole(s) in the case, and
13 GND the stock screws no longer will fit, and screws of the proper type can-
not be obtained locally order:
14 -15V
(2) part# 60301S (screws)
(2) part# 60301N (nuts)
15 14 13 12
TRANS, NPN, KSP113
2SC1815
Q102, 103
TRANS, NPN, 2N5551
2N3904
Q1, 3
0 in the PCB slot will result in its destruction.
BU-80E & HTS-10 rev "C" ONLY
11 10 9 8 7 6
PWR MODULE
CN101
IC 74HC14N HEX SCHMITT
TRIGGER INVERTER
U2, 3
V
A6 Y6
CC
13
14 12
1 2 3
A1 Y1 A2
24
BU-80/BU-80EHTS-10
5 4 3 2 1
JFET DUAL OPAMP
LF353N
A5 Y6 A4 Y4
OUT1
10 9 8
11
IN1 (–)
IN1 (+)
V
EE
4 5 6 7
Y2 A3 Y3 GND
TRANS, NPN
MPS A13 (Darl)
Q1
3 COLLECTOR
2
BASE
1 EMITTER
U1
1 8
V
CC
2 7
OUT2
3 6
IN2 (–)
4 5
IN2 (+)