Harman Infinity REFERENCE 4555A Service Manual

Harman Infinity REFERENCE 4555A Service Manual

5 channel 1800watt full-range car amplifier

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REFERENCE 4555A
5 channel 1800watt full-range car amplifier
Released by Global Quality SL
CONTENTS
CONTENTS
Safety Instruction, Warning & Notes
Specifications
Set Block Diagram
Schematic Diagrams
Layout Diagrams
Set Mechanical Exploded View
Packaging View
Spare Parts List
harman/kardon, Inc.
Service Manual
2
5
7
8
16
19
20
21
Ver. 1.0
08/2016

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Summary of Contents for Harman Infinity REFERENCE 4555A

  • Page 1 5 channel 1800watt full-range car amplifier CONTENTS CONTENTS Safety Instruction, Warning & Notes Specifications Set Block Diagram Schematic Diagrams Layout Diagrams Set Mechanical Exploded View Packaging View Spare Parts List Released by Global Quality SL harman/kardon, Inc. Ver. 1.0 08/2016...
  • Page 2: Important Safety Instructions

    Contact your local waste management officials for information NOTE: Changes or modifications not expressly approved regarding the environmentally sound collection, recycling and by Harman could void the user’s authority to operate the disposal of used batteries. equipment. To remove the batteries from your equipment or remote...
  • Page 3 Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1.
  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.).
  • Page 5 HALOsonic mixing input several new technologies including many advanced driver assistance systems, and the Harman HALOsonic, a suite of acoustic solutions that can simulate engine sounds for a better driving experience in hybrids and electric cars, cancel road noise for better-...
  • Page 6: What's In The Box

    Signal-to-Noise Ratio: ≥80dB (ref 1W output @ 2Ω) Quick start guide HARMAN International Industries, Incorporated © 2015 HARMAN International Industries, Incorporated. All rights reserved. Infinity is a trademark 8500 Balboa Boulevard, Northridge, CA 91329 USA of HARMAN International Industries, Incorporated, registered in the United States and/or other www.infinityspeakers.com...
  • Page 7: Halosonic Input

    CLUB4505/REF4555a BLOCK DIAGRAM Controls Input selector LP/HP PASS Crossover Class AB GAIN INPUT 32Hz 320Hz 30kHz LW/HI input min-max Phase Power Amplifier 2Ω/4Ω 32Hz-320Hz 12dB/oct FULL AGND Controls Input selector LP/HP PASS Crossover Class AB GAIN INPUT 32Hz 320Hz 30kHz LW/HI input min-max Phase...
  • Page 8 CON3P FUSE1A FUSE1C FUSE1B L1B 10uH P+12V OGND 10uH 30*3A 30*3A 30*3A L1A 10uH 560R 560R PGND 6A10 3300uF/25V 3300uF/25V 3300uF/25V 3300uF/25V BCX55-16 +12V-VCC 10uH PGND1 EARTH PGND1 PGND PGND1 PGND SGND SGND EARTH POWER 220uF/16V 100uF/16V -VCC +61V +VCC P+12V PGND PGND...
  • Page 9 +VAAH IRF3205 D32H D15H D19H 300R SK14 SK14 SK14 SK14 ZD1H D23H D25H D27H D29H BAS316 BAS316 BAS316 BAS316 +VAA +VAAL SK34 SK34 D12H R11H D16H R14H D20H R16H C13H C17H SK14 SK14 SK14 SK14 SK34 CL224 C10H C14H C18H ZD3H ZD5H ZD7H...
  • Page 10 L2FB 100P 10uH L1AA R10A R17A 10uH 10uH R23A L1FB RCA1 HS-L+ HS-LO RCA1A R15A 4580 4580 HS-LO FL PRE Halosonic R34A 4580 FL PRE L1FA RCA2 HS-L- L1AB C11A 10uH R11A R18A 10uH 10uH C17K C15K C16K R19A L2FA 10uH SW1A R25A...
  • Page 11 C42A SW4E 100P C43A ADAS FL+ L40A E41A R41A R44A ADAS FL- 10uH E44A R52A R55A SW-SPDT ADAS FR+ ADAS FL+ 680K SW4F ADAS RL+ R40A C40A 4580 4580 4580 R56A ADAS RL- R46A HS-LO R51A E45A R53A U12A ADAS FR- ADAS FL- 100R 510R...
  • Page 12 R20A C10A C12A 333/MET 563/MET R16A 4580 FL-EQ VR3A R21A 4580 LPF1 R14A U16A C100K VR3B R27A 4580 R29A U17A C100K R36A U18A FLAT1 270R FL SG 4580 FL SG SGND SGND SW2A R28A U19A FRONT SGND R22A FL PRE Crossover 32Hz-320Hz 12dB/oct R20B C10B...
  • Page 13 +VAAH +VAA +VAAH +VAA R62A R70A R62C R70C C63A C63C 100P 100P Q67A Q67C 2SD669 2SD669 Q64C Q64A Q69A D62A Q69C D62C 2N5401 2N5401 D718 1N4148 D718 1N4148 R78A Q71A R78C Q71C C61A C61C 374R 2SC1815 374R 2SC1815 100P 100P NTC1 R90A NTC3...
  • Page 14: Sub Input

    C13E L5AB R12E R23E C25E 10uH 10uH SUB_R+ SUBR+ SW6A SW6B 4580 R53E RCA1F R25E SUB_R- SUBR- U24A R33E 4580 L5AA R13E INT/EXT INT/EXT 4580 C11K C12K 10uH 10uH U26A R39E C21E R47E U27B C10E R19E 100R 5.49K C19E FL-EQ R41E R3A 10K R1A 82K...
  • Page 15 R89E +5V6 +12V-VCC +15V +VCC R59E 220R/100M 10R 1W R103E Q18E 2SC1815 C49E C33E R66E R69E 1N4148 R77E R81E C39E D13E ZXTN25100 150P/250V MUR120 -VCC IRS2092 R70E R71E R72E E16E ZD1E C28E E10E R63E MUR120 270K R110E R75E 100R -VCC OGND SUB+ SUB SG...
  • Page 16 LAYOUT DIAGRAM - MAIN BOARD_TOP VIEW...
  • Page 17 LAYOUT DIAGRAM - PRE-AMP BOARD_BOTTOM VIEW...
  • Page 18 LAYOUT DIAGRAM - PRE-AMP BOARD_TOP VIEW...
  • Page 19 REF-4555A MECHANICAL EXPLODED VIEW MK0101100772 LOGO PC 351.6*138.9*5.0MM REF-4555a MK0101100771 LOGO BRACKET PC 49*136.3*3.0MM REF-4555a SG0101100064 3P AC SOCKET REF-4555a MK0101700706 FUSE COVER SG0101100063 2P SPEAKER JACK BRACKET REF-4555a SG0101100065 4P SPEAKER JACK BRACKET REF-4555a 88FA03200419 PRE AMP PCBA 4505, 4555a MK0101100764 6P RCA COVER REF-4555a 88MA03200798...
  • Page 20 REF-4555a PACKAGING VIEW REF-4555a PACKAGING SPARE PARTS LIST CH0102000639 BEAUTY BOX REF-4555a...
  • Page 21 INFINITY REFERENCE 4555A SPARE PARTS LIST Pos. No. Description MK0101100772 LOGO PC 351.6*138.9*5.0MM REF-4555a MK0101100771 LOGO BRACKET PC 49*136.3*3.0MM REF-4555a SG0101100064 3P AC SOCKET REF-4555a MK0101700706 FUSE COVER SG0101100063 2P SPEAKER JACK BRACKET REF-4555a SG0101100065 4P SPEAKER JACK BRACKET REF-4555a...

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