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Fully functional usable service manual. Considering the age of the manual and device quality was better than expected
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Thank you very much, I've been very happy to find this manual on "Owner Manual". It's a perfect copy and it has been really useful for my work!
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It took about 24-hours after my payment before I was able to get to the download. Apparently, payment processing is not 100% automated. That is no big deal, just be aware of that going in.
After I got to it, it was in good shape, easy to read, etc. Not some cheap FAX copy looking thing.
Also, this site was the cheapest I found. Another Plus!
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Good price, very legible manual, exactly what I needed -- but had to wait a day to actually get the download of the manual. Would have preferred to download it immediately after payment rather than waiting for someone to "process" my order. I was surprised that I had to wait that long.
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As the only source for this manual it rather rank quite high since it is well scanned and perfectly readable.
1. Before Repairs
1. Turn off the power supply. Using a 10 , 10 W resistor, connect both ends of power supply capacitors (C701, C703 and C702, C704) in order to discharge the voltage. 2. Before turning the power supply on, after completion of repair, slowly apply the primary voltage by using a power supply voltage controller to make sure that the consumed current at 50 Hz in NO SIGNAL mode should be shown below.
For (GC) area Power supply AC 110 V, 50 Hz AC 240 V, 50 Hz voltage Consumed 200-700 mA 100-350 mA current
For (GN) area Power supply AC 240 V, 50 Hz voltage Consumed 100-350 mA current
2. Protection Circuitry
The protection circuitry may have operated if either of the following conditions is noticed:
- No sound is heard when the power is switched ON. - Sound stops during a performance.
The functions of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are shorted, or if speaker systems with an impedance less than the indicated rated impedance of this unit are used. If this occurs, follow the procedures outlined below.
1. Switch OFF the power. 2. Determine the cause of the problem and correct it. 3. Switch ON the power once again.
Note:
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