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Kappa 255a

Automotive Amplifier

SERVICE MANUAL

Infinity Systems Incorporated

250 Crossways Park Dr.

Woodbury, New York 11797

Rev1 9/2001

Содержание Kappa 255A

Страница 1: ...Kappa 255a Automotive Amplifier SERVICE MANUAL Infinity Systems Incorporated 250 Crossways Park Dr Woodbury New York 11797 Rev1 9 2001...

Страница 2: ...BLESHOOTING 9 SERVICE BULLETIN INF9701 10 SERVICE BULLETIN INF2001 02 11 PCB DRAWINGS 13 BLOCK DIAGRAMS 19 ELECTRICAL PARTS LIST 21 SCHEMATICS 29 REVISIONS 41 Occasional refinements may be made to exi...

Страница 3: ...eferenced to Full Power CHANNEL SEPARATION 50dB 100 TO 20KHz DAMPING FACTOR 204 TURN ON TIME 3 SEC DC OFFSET 50 mv OPERATING VOLTAGE 10 16vdc REMOTE ON CURRENT 2ma QUIESCENT CURRENT 2 5 AMP MAX CURREN...

Страница 4: ...s Optimizer DBO 12 dB per octave subsonic filter with variable frequency 20 to 80 Hz and Q for enhancing subwoofer low frequencies while conserving amplifier power Front and rear channels individually...

Страница 5: ...P U T C R O S S O V E R D B O X O V E R HP FLAT LP x1 x15 Set Switches As Shown set controls for your system plan Set to EXT for source unit with subwoofer outputs KAPPA 255a top panel Figure 1 This w...

Страница 6: ...ge Speakers To L R Midbass Speakers To Rear L R Speakers To Subwoofer s Front L R Inputs from Source Unit Subwoofer Inputs from Source Unit Rear L R Inputs from Source Unit L R Outputs Low Pass Front...

Страница 7: ...the surface Always wear protective eyewear when using tools The Kappa 255a uses gold plated industrial grade Weco plug in connectors for power and speaker wiring Because of precision tolerances do not...

Страница 8: ...make sure to keep the amplifier away from heater vents or ducts 1 At the chosen site use the amplifier as a mounting template and mark locations of the four mounting holes 2 Drill a small pilot hole a...

Страница 9: ...onnection from the source unit Also refer to Troubleshooting on the next page 2 On the source unit increase the volume control to maximum position Slowly increase the Front and Rear GAIN controls cloc...

Страница 10: ...ity on previous page Audio lacks Speakers are wired Check polarity of punch with wrong polarity connections refer to Applications SYMPTOM LIKELY CAUSE SOLUTION Audio cycles A protection circuit Verify...

Страница 11: ...ng the main PCB slide entire assembly out of the chassis 4 Remove and replace any defective IRFS250 output transistors Q10 13 are Infinity part TR1238 5 Change R3 on the Digital Predriver Module PC120...

Страница 12: ...to set Transistor should be flat on the PCB 7 Extend the three leads of the transistor by soldering a length of 22 gauge buss wire to each lead the length determined by the connection points Solder ea...

Страница 13: ...Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 516 496 3400 2...

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Страница 22: ...SEMICONDUCTORS DI1005 DIODE Rect 3A 200V 1N5401 D1 1A 2 2A 4 DI1010 DIODE Rect FAST 1A 100v UF1002 D5 6 7 8 9 17 18 19 D20 21 22 28 29 13 DI1053 DIODE Rect Dual Comm Cathd 16A D3 3A 2 DI1054 DIODE Re...

Страница 23: ...8W R31 33 44 4 RS1831 RES SMD 7 5Kohm 5 1 8W R12A 12D 4 RS1868 RES CF 0 1 ohm 5 5W R9 10A 10D 11A 11D 9 RS1871 RES SMD 5 1Kohm 5 1 8W R13A 13D 4 RS1878 RES SMD 10 ohm 5 1 8W R14A 14D 47 5 RS1898 RES S...

Страница 24: ...2 RS1709 RES SMD 680ohm 5 1 8W R10 1 RS1710 RES SMD 3 3Kohm 5 1 8W R23 1 RS1711 RES SMD 220ohm 5 1 8W R14 1 RS1717 RES SMD 100 ohm 5 1 8W R16 17 2 RS1724 RES SMD 6 8K ohm 5 1 8W R4 1 RS1733 RES SMD 5...

Страница 25: ...R15 16 35 36 4 RS1725 RES SMD 15Kohm 5 1 8W R6 9 26 29 4 RS1783 RES SMD 12Kohm 5 1 8W R51 1 RS1831 RES SMD 7 5Kohm 5 1 8W R7 8 27 28 4 RS1871 RES SMD 5 1Kohm 5 1 8W R1 21 2 RS1983 RES SMD 560 ohm 5 1...

Страница 26: ...8W R1 2 5 6 9 10 13 14 8 RS1957 RES SMD 4 99Kohm 1 1 8W R17 19 21 23 4 RS2113 RES SMD 24 9Kohm 1 1 8W R3 4 7 8 11 12 15 16 8 MISC CO1279 CONN Header 3 Pos Right Angle HD2 1 CO1330 CONN Header 12 Pos S...

Страница 27: ...SSOVER PCB CAPACITORS CP1177 CAP POLY FILM 0 22uF 5 63V C1 2 9 10 4 CP1426 CAP SMD 0 1uF 20 50V Z5U C5 8 4 CP1534 CAP POLY FILM 15NF 5 63V C3 4 11 12 4 SEMICONDUCTORS IC1041 IC SMD DUAL J FET TL072 OP...

Страница 28: ...m 5 1 8W R3 1 RS1705 RES SMD 4 7Kohm 5 1 8W R12 1 RS1711 RES SMD 220ohm 5 1 8W R23 1 RS1715 RES SMD 5 6Kohm 5 1 8W R28 1 RS1722 RES SMD 470 ohm 5 1 8W R2 4 6 25 4 RS1724 RES SMD 6 8K ohm 5 1 8W R21 1...

Страница 29: ...9 M3 X 1 25 X 10 3 SC1220 M2X 2 0 X 0 79 HL THREAD 2 SC1224 6 20 X 3 8 TORX PAN 2 SC1257 6 20 X 1 SOCKET HEAD 25 SC1258 6 20 X 5 8 SOCKET HEAD 4 SP1073 SILICON PAD TO 3P 1 X 0 75 20 SP1082 1 4 SPONGE...

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