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This is quiet a rare manual, I Have looked for this manual for quiet a while now, I have finally found it here. I believe this is the only place they have them in a very nice scan, Excellent guide: very clear, enabling us to print readable diagram overall it is great to have this manual available for purchase. This is a complete service manual no pages are missing. Thanks
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This SM is quiet scarce and hard to find it is an excellent Service manual, very clear to read and to print schematics and diagrams, Hi quality, Complete manual with no pages missing. I am very pleased with the manual and the fast service I have received. Great place to shop.
Good luck finding you manual...
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Quick delivery, the document was usefull, although the copy was i little bit unclear in the details.
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A complete and well done copy of the manual, at a not expansive price!
The delivery of the manual is very fast.
Thank you for all
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Perfect quality. Was able to fix speed drifting on my Sansui Turntable using the service manual instructions for PLL adjustment.
S-FCRW230
7. ADJUSTMENT
ATTENTION
¶ Don� t make speaker terminal short circuit during the power supply injection. ¶ Since the PRIMARY part of the AMP ASSY is not insulated, be careful of electric shock. ¶ Be sure to disconnect the power supply cord before touching the AMP ASSY board. ¶ Discharge the C13, C14 capacitors!
7.1 MEASURING INSTRUMENTS
¶ Provide yourself with the following measuring devices: (1) Digital voltmeter (2) Oscilloscope (3) Attenuator (4) Low-frequency oscillator
7 GAIN Adjustment
(1) Decrease the level of the Adjustment Variable resistors (VR) for the channel to adjusted. (2) Increase LEVEL VOLUME maximum. (3) Adjust GAIN (VR41) volume. ¶ Apply the signal to the Line IN of JA201. ¶ As the gain from IN to SPEAKER OUT 53dB(freq. = 50 Hz), input of 10mVrms to Input results in output of 0.72 W (4.5 Vrms/28 W) at SPEAKER OUT. ¶ After power-supply ON, after waiting abut 10 seconds, it adjustment because, wave form rises behind time for slow start operation.
Test Point
A
Digital Voltmeter +
28� 3W
AMP ASSY
SIDE A
Adjustment VR VR41 Gain Adj
15
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