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There are currently no product reviews.
 ;
For five bucks you can barely buy a hamburger. Or for the same five bucks you can buy a service manual. Much more useful. (and better for your health, depending on where you buy your hamburgers).
Yes, there are free manual sites out there, but if they don't have what you want, you have to pay.
And five bucks isn't much. Not for full specs, schematics and adjustment and parts replacement procedures.
My only criticism is that grayscale illustrations aren't well rendered, but I've seen worse.
Schematics and text are clear.
I'll be happy to purchase from here again.
Mike
[email protected]
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Impressively thorough. Even the simple operators manual helped me "fix" one of the 2 CD players in the unit. This unit reads CD's from the top so they should be installed in the magazines "upside down" from typical CD players. The CD player service manual helped me unjam a stuck carriage because somebody transported the box laying down loaded with CD's. A little lens cleaning & the player now works well! Thanks for you help at a great price! Joe
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I was skeptical at first but later found the manual to be good quality for the price. It took a couple hours to receive the email with the download link, well worth the wait. Thanks.
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very helpful, I could not have cleaned motherboard and replaced the main fan without it
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Good manual, schematics nice and clear with good quality scanning. Woul dhave been nice to have immediate access after purchasing though.
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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