Instruction/ maintenance manual of the product JC-120 Roland
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Owner’s Manual Thank you for purchasing the Roland JC-120 JAZZ CHORUS Guitar Amplifier. To take full advantage of this amplifier, and to ensure years of trouble-free service, please read this Owner’s Manual in its entirety. Features • 120 watts of output power; 2 channels of 60 watts each.
CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN ATTENTION : RISQUE DE CHOC ELECTRIQUE NE PAS QUVRIR CAUTION : TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
3 USING THE UNIT SAFELY • Before using this unit, make sure to read the instructions below, and the Owner's Manual. ................................................................................................................................
4 IMPORTANT NOTES In addition to the items listed under “IMPORTANT SAFETY INSTRUCTIONS” and “USING THE UNIT SAFELY” on pages 2 and 3, please read and observe the following: Power Supply • Do not use this unit on the same power circuit with any device that will generate line noise (such as an electric motor or variable lighting system).
5 Panel Description 1. Input Jacks Two input jacks are provided. For a guitar with a standard output, use the “HIGH” input. For very high output instruments, use the “LOW” input. 2. BRI (Bright) Switch When this switch is set to ON, a bright, clear sound can be obtained.
6 16.CH-2 EFFECT LOOP LEVEL Switch This switch selects the input/output level for the Channel 2 effects loop. Change the switch position to accommodate the effects device you are using. When the connected unit’s input/output level is high, set the switch to “+4 dBm,” and when that level is low, set the switch to “-20 dBm.
7 Specifications Rated Power output 120 W (60 W + 60 W) / 8 Ω + 8 Ω Speakers 30 cm (12 inches) + 30 cm (12 inches) Power Supply AC 117 V, AC 230 V or AC 240 V Power Consumption 110 W (117 V, 230 V, 230 VE, 240 VA) Nominal Input Level -30 dBm / 680 k Ω 0 dBm = 0.
03905412 ’05-03-1TP.
An important point after buying a device Roland JC-120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Roland JC-120 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 Roland JC-120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Roland JC-120 you will learn all the available features of the product, as well as information on its operation. The information that you get Roland JC-120 will certainly help you make a decision on the purchase.
If you already are a holder of Roland JC-120, 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 Roland JC-120.
However, one of the most important roles played by the user manual is to help in solving problems with Roland JC-120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Roland JC-120 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
