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Very useful Service Manual! With it I was able to identify the damaged pots in my old amplifier, purchase the adequate replacements and make myself the repair.
I have again my old amplifier, still a very good one that I will keep for as many years as I can!
Thanks to Owner Manuals!
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Good price for the manual and easy to locate on the site and download. Plus, just like the original. Thanks a lot.
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Genuine Service Manual. Link was available in less then an hour or so. Service Manual contains assembly, PCB layout, complete circuit diagram, Components list etc
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Great and very well scanned Service Manual, also very fast download - Recomended !
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I'm quite impressed. I had to wait 24 hours for my manual (quite a rare one) but I got it and the quality was good. Also, from trawling the web, these prices are by far the best.
SECTION 3 DIAGRAMS
3-1. CIRCUIT BOARDS LOCATION
SECONDARY board STANDBY board
PRIMARY board
MAIN board
POWER SW board
KEY board
SPEAKER SW board
VOL-TONE board
DISPLAY board
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For schematic diagrams.
Note: � All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. � All resistors are in � and 1 /4 W or less unless otherwise specified. � ¢ : internal component. � 2 : nonflammable resistor. � C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. � U : B+ Line. � V : B� Line. � Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM
� Voltages are taken with a VOM (Input impedance 10 M�). Voltage variations may be noted due to normal production tolerances. � Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. � Circled numbers refer to waveforms. � Signal path. F : FM
For printed wiring boards.
Note: � X : parts extracted from the component side. � b : Pattern of the conductor side. Caution: Pattern face side: (Conductor Side) Parts face side: (Component Side) Parts on the pattern face side seen from the pattern face are indicated. Parts on the parts face side seen from the parts face are indicated.
� Indication of transistor
BC E These are omitted
WAVEFORMS 1
4.8Vp-p
2
5.4Vp-p
8MHz
4.19MHz
IC300 @¢
IC201 #¢ X1
�6�
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