Infinity 5760a Reference Series Service Manual
6 channel power amplifier reference series;
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Also See for 5760a Reference Series:
- Instructions manual (12 pages) ,
- Service manual (33 pages)
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Summary of Contents for Infinity 5760a Reference Series
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Page 1: Channel Power Amplifier
Reference Series 5760a 6 CHANNEL POWER AMPLIFIER SERVICE MANUAL Infinity Systems, Inc. 250 Crossways Park Dr. 8/2004 Woodbury, New York 11797 Rev1... - Page 2 (305mm x 470mm x 68mm) Fuse: 2 x 30A Infinity continually strives to update and improve existing products, as well as create new ones. The specifications and details in this and related JBL publications are therefore subject to change without notice.
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Page 3: Test Conditions And Notes
Power Amplifier Ref5760a Features • 4-Channel Operation • Advanced MOSFET Oversized Floating Rail Power Supply Floating Ground Factory - Head - Unit Speaker - Level input • Variable lnput Sensitivity (250mV • • Fully Complementary Output Stage with Class-A6 Voltage Amplification •... -
Page 4: Power Amplifier
Power Amplifier Ref5760a OWER ONNECTIONS The Reference amplifiers are capable of WIRE-GAUGE CHART delivering high power levels, and require a Amplifier Maximum Minimum reliable connection to the vehicle’s electrical Model Current Draw Wire Gauge system in order to perform optimally. See 7520a #8 AWG Figure 1 for connection location. - Page 5 Power Amplifier Ref5760a – 5760a PPLICATIONS The 5760a can be configured for 6-channel, 5-channel or 3-channel operation, as shown in Figures 10 through 12. INPUT MODE SWITCH: • Use INT (internal mode) to send a signal from the front and rear inputs to the subwoofer. •...
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Page 6: Mode Switch
Power Amplifier Ref5760a NSTALLATION AND ETUP SETTING THE CROSSOVER(S) Initially set the crossover-frequency control Determine your system plans and set the midway. While listening to music, adjust the crossover-mode switch accordingly. If your crossover for the least perceived distortion from system design does not include a subwoofer, the speakers, allowing them to reproduce as set the crossover mode to FLAT and skip to... -
Page 7: Setting Input Sensitivity
Power Amplifier Ref5760a REMOTE LEVEL CONTROL (OPTIONAL) SETTING INPUT SENSITIVITY All three Reference subwoofer amplifiers and 1. Initially turn the INPUT LEVEL control(s) to the 5760a amplifier have inputs for an optional minimum (counterclockwise). 2. Reconnect the (–) negative lead to the vehi- remote level control (100rc). - Page 8 Power Amplifier Ref5760a NSTALLATION AND ETUP CONT SETTING DBO ™ (310a, 610a and 1210a) STATUS LEDs The Dynamic Bass Optimizer (DBO) is used to Clip: Indicates the amplifier is being overdriven, enhance low-frequency reproduction in a vehicle. and your speakers may be in danger. This Conventional bass-boost circuits only increase should blink only on musical peaks, and not bass at a fixed frequency, and cause the amplifier...
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Page 9: Troubleshooting
Power Amplifier Ref5760a ROUBLESHOOTING • PROBLEM: • PROBLEM: No audio (POWER LED is off). No audio (PROTECT LED is on). CAUSE and SOLUTION: CAUSE and SOLUTION: No voltage at BATT+ and/or REM terminals, or Voltage greater than 16V or less than 8.5V on bad or no ground connection. - Page 12 ART PAPER LAB-MD-0001A STICKER WHITE/BLACK LAB-QC-0001A QC STICKER GOLD/BLACK LAB-CE-0004A CE STICKER BLACK/WHITE LAB-00-0427A WINDOW STICKER "INFINITY" LOGO LAB-SR-0065A SERIAL NO STICKER WHITE/BLACK "CODE 39" -> G/BOX, C/BOX, SET LAB-SR-0066A SERIAL NO STICKER WHITE/BLACK H/SINK LAB-00-0424A E-MARK STICKER WHITE/BLACK CAR-00-0061A...
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