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I've been in the electronic business for a long time. I used to buy Sam's Photofact for my needs which intailed having to go to the store and paying about $20 for a package of 3 different units so I was forced to buy more than I needed just to get one.
Owner manual is just at your keyboard and the information is almost instantansouly and the cost is very reasonable. Easy to print out if needed or simply read off of the screen. The larger the screen the better for obvious reasons.
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Very good manual, at a very good price. Received in a timely manner
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Only thу cover has poor quality, internal material has excellent quality - exactly what I needed
Thanks!
 ;
Had everything I needed. Onyly took a few hours after paid for by PayPal. The copy was very readable.
;
Hi
First, thank you very much for the fast delivery.
I'm really satisfied with your manual. I could find everything, I needed.
I appreciate your service.
Regards from Germany PB
Amplifier/Subwoofer
BU-80/BU-80EHTS-10
BU-80/HTS-10 INTEGRATED CIRCUIT/TRANSISTORS DIAGRAM
S53AM/S64AMI - Power Amp module SAFETY PART BU-80 and HTS-10 rev �A, B� ONL Y
+6V 15 16 V+ 17 18 O/P 19 20 V21 22 +15V SD FR I/P GND -15V 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +15V SD FR I/P GND -15V
If the new 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 S/D
+6V
NOTE: THE FOLLOWING PROCEDURES MUST BE FOLLOWED WHEN INSTALLING NEW AMP MODULES: FAILURE TO FOLLOW ONE OR MORE OF THESE STEPS MAY RESULT IN THE INSTANT DESTRUCTION OF THE MODULE WHEN POWERED UP.
00228
LIMIT 6V
V+
O/P
1) Align white indent marker on Amp Module with indent marker on main PCB; alternately position of label on the top of the module; incorrectly replacing the Module 1800 in the PCB slot will result in its destruction. 2) All AC powered test instruments (meters, oscilloscopes, etc.) must have a floating ground, i.e. be connected to an isolation transformer. 3) Align and position the Amp Module before soldering. 4) Attach the amp Module with the mounting screws before soldering or powering up. 5) Use only rosin-core or non-acid core solder; thoroughly de-flux the surfaces after soldering.
+15V VV-
V-
(2) part# 60301S (screws) (2) part# 60301N (nuts) QUAD OP AMP, LM324, TL074 U1, IC101 BU-80E & HTS-10 rev �C� ONLY
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
TRANS, NPN MPS A13 (Darl) Q1
3 COLLECTOR 2 BASE 1 EMITTER
CN101
MOSFET TRANS IRF530 Q2, 3
TRANS, PNP, 2SA1015 Q101, 104, 105
TRANS, NPN, KSP113 2SC1815 Q102, 103
IC 74HC14N HEX SCHMITT TRIGGER INVERTER U2, 3
00370
V+
V+
V+
O/P
PWR MODULE
V-
IN
-15V
FB
JFET DUAL OPAMP LF353N U1
VCC 14
1. DRAIN 2. GATE 3. SOURCE
A6 13
Y6 12
A5 11
Y6 10
A4 9
Y4 8
OUT1
1 2 3 4
8 7 6 5
V
CC
IN1 (�)
OUT2
IN1 (+)
IN2 (�)
TRANS, PNP, 2N3906 MPS A56 Q2, 4, 5
TRANS, NPN, 2N5551 2N3904 Q1, 3
VEE
IN2 (+)
1 A1
1 2 3
2 3 Y1 A2
4 5 Y2 A3
6 7 Y3 GND
24
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