Instruction/ maintenance manual of the product P-7540 JBL
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Power Series Amplifiers P-7520, P-7540, P-2510 Owner ’ s Manual GENUINE JBL P-7520/7540/2510 OM copy 7/14/98 11:46 AM Page 1.
2 Amplifier Featur es • 4-, 3- or 2-c hannel operation (P -7540), 2- or 1 -channel operation (P -7520), mono Class-D subwoofer c hannel (P -251 0) • Simultaneous stereo and mono opera- tion (P -75.
3 • Always wear protective eyewear when using tools. • When routing cables, keep input signal cables away from power cables and speaker wires. • When making connections, make sure that eac h connection is clean, insulated and properly secured. Observe the polarity markings on the rear panel.
3. If you are running either the P -7520 or the P -7540 in tri-mode (stereo and mono simultaneously to one or two pairs of satellite speaker s and a sub- woofer), refer to the c hart above to determin.
5 2. If you are connecting the amplifier to a factory-installed source unit, or to a source unit that only has speaker -level outputs, connect the speaker outputs of the source to the speaker inputs o.
6 7 +R– +R– –L+ –L+ AUX OUT R L R L FRONT FRONT REAR LINE LEVEL INPUT SPKR LEVEL IN REAR +R– +R– –L+ –L+ R L FRONT FRONT REAR LINE LEVEL INPUT UNIVERSAL INTERFACE REAR 3.
7 Symptom Likely Cause Solution No audio Low/no remote on voltage Chec k connections; turn-test turn-on voltage Speakers are not connected Chec k wiring; use VOM/D VM to or are blown measure speaker -.
JBL Consumer P roducts 250 Cross ways P ark Drive Woodbury , NY 1 1 797 Part No. SH1 1 24 Made in USA Declaration of Conformity We, JBL Europe A/S Konge vejen 194B DK-3460 Birkerø d DENMARK declare in own responsibility , that the products described in this owner’ s manual are in compliance with technical standards: EN EN 55013/A12/8.
An important point after buying a device JBL P-7540 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JBL P-7540 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 JBL P-7540 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JBL P-7540 you will learn all the available features of the product, as well as information on its operation. The information that you get JBL P-7540 will certainly help you make a decision on the purchase.
If you already are a holder of JBL P-7540, 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 JBL P-7540.
However, one of the most important roles played by the user manual is to help in solving problems with JBL P-7540. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JBL P-7540 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
