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Super manual it contains all the things you need to service your Marantz 2100.
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A very easy to understand and use manual. Well worth the money.
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Very good information with clear drawings. Thanks!
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The ease of this purchase was a good start. The content of this manual was exactly all I needed to retore my Tandberg 64.
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Alignment and Adjustments
3-4 Other Adjustment
3-4-1GENERAL
1. Usually, a color Monitor needs only slight touch-up adjustment upon installation. Check the basic characteristics such as height, horizontal and vertical sync and focus. 2. The picture should have good black and white details. There should be no objectionable color shading; if color shading is present, perform the purity and convergence adjustments described below. 3. Use the specified test equipment or its equivalent. 4. Correct impedance matching is essential. 5. Avoid overload. Excessive signal from a sweep generator might overload the front-end of the Monitor. When inserting signal markers, do not allow the marker generator to distort test results. 6. Connect the Monitor only to an AC power source with voltage and frequency as specified on the backcover nameplate. 7. Do not attempt to connect or disconnect any wires while the Monitor is turned on. Make sure that the power cord is disconnected before replacing any parts. 8. To protect against shock hazard, use an isolation transformer. If the chassis or parts of the cabinet become magnetized, poor color purity will result. If this happens, use an external degaussing coil. Slowly move the degaussing coil around the faceplate of the picture tube and the sides and front of the receiver. Slowly withdraw the coil to a distance of about 6 feet before removing power.
3-4-3 HIGH VOLTAGE CHECK
CAUTION: There is no high voltage adjustment on this chassis. The B+ power supply must be set to +125 volts (Full color bar input and normal picture level).
1. Connect a digital voltmeter to the second anode of the picture tube. 2. Turn on the Color Monitor. Set the Brightness and Contrast controls to minimum (zero beam current). 3. The high voltage should not exceed 31KV. 4. Adjust the Brightness and contrast controls to both extremes. Ensure that the high voltage does not exceed 31KV under any conditions.
3-4-4 FOCUS ADJUSTMENT
1. Input a black and white signal.
3-4-2 AUTOMATIC DEGAUSSING
A degaussing coil is mounted around the picture tube, so that external degaussing after moving the Monitor should be unnecessary. But the receiver must be properly degaussed upon installation. The degaussing coil operates for about 1 second after the power is switched ON. If the set has been moved or turned in a different direction, disconnect its AC power for at least 30 minutes.
2. Adjust the tuning control for the clearest picture. 3. Adjust the FOCUS control for well defined scanning lines in the center area of the screen.
Samsung Electronics
3-5
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