Download Jbl-PB10 actsub

PB10
Integrated Circuit Diagrams (Revision 1 Only)
S53AMI/S64AMI - Power Amp Module SAFETY PART
+6V
V+
O/P
V-
+15V
15
1
16
2
17
3
18
4
19
5
20
6
21
7
22
8
23
9
NOTE: THE FOLLOWING PROCEDURES MUST BE
FOLLOWED WHEN INSTALLING NEW S53AMI/S64AMI AMP
MODULES:
+6V
FAILURE TO FOLLOW ONE OR MORE OF THESE STEPS
MAY RESULT IN THE INSTANT DESTRUCTION OF THE
MODULE WHEN POWERED UP.
V+
1. Align white indent marker on Amp Module with indent
marker on main PCB; alternately observe position of label
on top of the Module; incorrectly replacing the Module
180° in the PCB slot will result in its destruction.
O/P
2. All AC powered test instruments (meters, oscilloscopes,
etc.) must have a floating ground, i.e., be connected to
an isolation transformer.
V-
3. Align and position the Amp Module before soldering.
4. Attach the Amp Module with the mounting screws before
soldering or powering up.
+15V
SD 24
10 SD
5. Use only rosin-core or non-acid core solder; thoroughly
de-flux the surfaces after soldering.
FR 25
11 FR
I/P 26
12 I/P
If the new S53AMI/S64AMI Amp Module has larger mounting
hole(s) in the case, and the stock screws no longer will fit,
and screws of the proper type cannot be obtained locally
order:
GND 27
13 GND
-15V
14
(2) part# 60301S (screws)
28
-15V
00228
(2) part# 60301N (nuts)
NOTE: THE PB10/12 REVISION 1 AMPLIFIER MUST ALWAYS BE TESTED
WITH A WOOFER OR 4-OHM RESISTIVE LOAD.
MPSA56, Q10, Q11
N-Chan JFET Q1
2N4401, Q12
3 Collector
3 Collector
2
Base
D
S
1
G
2
Base
1 Emitter
2 3
21
1
1 Emitter
2 3
00227
LM324, TLO64, U1, U2