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Je suis audiophile belge, électronicien et créateur d'enceintes acoustiques.
J'ai apprécié la qualité des documents fournis. Ils sont très lisibles, ils peuvent être agrandis sans problème et ils sont complets. Pour moi, c'est parfait. Pour cette qualité, je suis d'accord de payer. Et le système de paiement et d'envoi est simple. Merci, continuez comme cela.
Frédéric
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The cover page was a little scary, very dark but readable. The remainder of the document was better copy and easily readable. Why would I give 5 Stars? (1) PRICE, (2) AUTHENTICITY, It was the real deal, filled with service information, including the specific information I required. (3) PRIVACY, I didn't start to get slammed with spam. (4) EASY TRANSACTION. Painless. (5) COMPLETE, I have found several manuals here, that I could find nowhere else. (6) I will be a repeat customer!
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Well done!!! I found what I need to have, indeed!
Furthermore, due to my hobby is repairing vintage equipments, I added this web site in my desk toolbar because I have in mind to search further service manuals. Thanks a lot www.owner-manuals.com !
Regards, Maurizio
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Again very good service manual, this time very fast download. AAAAA+
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Ckear manual, well reproduced with plenty of overlap on critical pages.
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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