Instruction/ maintenance manual of the product PC4800N Yamaha
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POWER AMPLIFIER Owner’s Manual E.
2 WARNING: THIS APPARATUS MUST BE EARTHED IMPORTANT THE WIRES IN THIS MAINS LEAD ARE COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE: GREEN-AND-YELLOW : EARTH BLUE : NEUTRAL BROWN : LIVE As the colours.
3 Pr ecautions W ARNING Installation • Connect this unit’s power cord only to an AC outlet of the type stated in this Owner’s Manual or as marked on the unit. Failure to do so is a fire and electrical shock hazard. • Do not allow water to enter this unit or allow the unit to become wet.
4 CA UTION Installation • Keep this unit away from the following locations: - Locations exposed to oil splashes or steam, such as near cooking stoves, humidifiers, etc.
5 Introduction Thank you for purchasing a Yamaha PC9500N, or PC4800N Series Power Amplifier. The PC Series of power amplifiers was developed from Yamaha’s wealth of experience in building PA equipment and its tradition of careful attention to every detail of circuit design.
6 C ontrols and F unctions ■ Fr ont P anel 1 POWER/STAND-BY switch and indicator This turns the power of the amplifier on/off. When you press the switch to turn on the power, the indica- tor will light green.
7 ■ Rear P anel 1 XLR inputs These balanced XLR-3-31 type connectors are used to connect input signals. They are wired pin 1–ground, pin 2–hot (+), and pin 3–cold (–). 1 2 3 Cold Ground Hot In Bridge mode, only the XLR input of the channel A is active.
8 ■ Speaker connections Speakers can be connected to this amplifier in the following two ways. The speaker impedance will depend on the connection method and on the number of speakers that are connected. Refer to the following diagrams, and make sure that the speaker impedance is not less than the value prescribed for each type of connection.
9 C onnection ■ Using a Eur oblock connector 1. If the wire insertion ports are closed, turn the screws on top of the connector counterclockwise to open the ports. 2. Insert the wires into the appropriate ports, following the indication of the pole on the input terminal, turn the screws on top of the connector clockwise to fix the wires.
10 Air F lo w This unit uses a forced cooling system in which air comes in through the front opening and goes out the rear. 4-6.5 x 1 1 88 463 480 Unit : mm 248 4-C15 4-ø4.
11 Specifications ■ Gener al Specifications PC9500N PC4800N 120 V (US)/ 240 V (A) 230 V (EU) 120 V (US)/ 240 V (A) 230 V (EU) Power Output Level (Rated Power) 8 Ω /STEREO 1000 W x 2 1050 W x 2 550.
12 ■ Block Diagr am.
13 ■ Dimensions Unit: mm 480 88 456 46 4 380 26 25 30 370 30 25.
14 T roubleshooting The following table lists the main causes of abnormal operation and the corrective measures required as well as the protective circuit operation in each case.
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YAMAHA CORPORATION V853450 R 1 1 AP 16 Pro Audio & Digital Musical Instrument Division P.O. Box 3, Hamamatsu, 430-8651, Japan NP Printed in Taiwan.
An important point after buying a device Yamaha PC4800N (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Yamaha PC4800N yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Yamaha PC4800N - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Yamaha PC4800N you will learn all the available features of the product, as well as information on its operation. The information that you get Yamaha PC4800N will certainly help you make a decision on the purchase.
If you already are a holder of Yamaha PC4800N, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Yamaha PC4800N.
However, one of the most important roles played by the user manual is to help in solving problems with Yamaha PC4800N. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Yamaha PC4800N along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
