infiniti RA7502 free download

File name RA7502(sch).pdf

2 Channel Power Amplifier POWER Amplifier (Sheet 1) 16.5V 14.5V 32.79V 32.80V 32.71V 0.46V 1V D -0.26V -0.81V -31.45V -31.47V -14.48V -32.79V C 32.78V +14.50V +0.86V +0.31V (IC VOLTAGE) -0.41V 4559 PIN 2068 PIN U102 U103 U104 U105 U106 U101 0 -14.49V -0.98V 1 2 0 16.18V 16.17V 16.15V 16.18V 16.17V 1 B 3 0 2 0 0 0 0 0 3 4 -16.15v 0 0 0 0 0 -32.76V 4 5 0 0 0 0 0 0 5 6 0 -16.14V -16.15V -16.14V -16.15V -16.17V 6 7 0 0 0 0 0 0 7 8 16.19 0 0 0 0 0 8 0 0 0 0 0 9 16.18V 16.17V 16.15V 16.18V 16.14V A 1 2 3 4 5 13 2 Channel Power Amplifier POWER Amplifier (Sheet 2) 14.4V +13.64V D 0.67V +14v +32.77V 9.10 PIN 34us -32.76V 13.54V 5.03V C +32.81V -32.81V +5.02V 82V 36us B +4V 19us A 1 2 3 4 5 14 2 Channel Power Amplifier Ra7502 Mechanical Exploded View 26 NO NOMENCLATURE DESCRIPTION Q'TY 1 1EA 1EA 26 HEAT SINK 4 AL/EXTRUDE L=340.0mm 2 1EA SILICON PAD(A) (SP1000)200x23.0x0.3t 3 SILICON PAD(B) (SP1000)50x23.0x0.3t 4 BOTTOM COVER EGI1.0t 1EA 2EA 4EA 8 5 EVA CUSHION EVA 8.0x120.0x2.0t 6 2EA 9 SCREW STT2 BH 3x6 NI 7 6EA 8 10 SCREW STT2 BH3x15 NI 8 2EA 2EA 23 SCREW 13 SMP 4x16 NI 9 TR BRACKET (A) SBHG 50X22.5X2.0t 10 1EA 11 15 TR BRACKET (B) SBHG 50x25.5x2.0t 8 11 1EA 2EA 7 TR BRACKET (C) SBHG 110x22.5x2.0t 12 12 14 TR BRACKET (D) SBHG 110x25.5x2.0t 17 9 16 13 23 TRBKT/CUSHION(A) FIBER 50x22.0x0.3t 16 10 14 1EA 1EA 2EA 2EA 1EA 5 3 13 TRBKT/CUSHION(B) FIBER 110x22.0x0.3t 15 RUBBER CUSHION(A) RUBBER 10.0x20.0x1.6t 16 SWITCH DECAL RA 750 2 FELT 12.0x7.0x0.3t 17 V/R KNOB ABS/BK 18 1EA 1EA 2 REAR PANEL EGI 1.0t 6 24 19 FRONT PANEL EGI 1.0t 21 20 3EA 1EA SCREW STT1 PH 2x6 NI 21 SCREW STT2 BH 3x8 NI 25 22 2EA FUSE 25A 27 18 23 RUBBER CUSHION(C) RUBBER 10.0x20.0x2.0t 24 PLEXI GLASS ACRYL 1EA 5 25 SCREW SMT 4x8 NI(STAR) 1EA 4EA 6 2 26 SCREW STT3 PH 3x6 NI 27 SCREW STT2 BH 3x5 NI 1EA 1 20 22 21 19 15

File name Ra7502.pdf

RA 7502 2 CHANNEL POWER AMPLIFIER TECHNICAL MANUAL Infinity .infinitysystem.com www c 200 harman consumer international Print in - 10/2000 2 Channel Power Amplifier Controls and connections Specifications ...1 Features ...2 Test Conditions and Notes ...2 Controls and Connections ...3 Typical System Configuration (Wiring) ...4 Printed Circuit Boards (Top View)...5 Parts Lists...6~7 Block Diagrams...8 Packaging Exploded View...9 Integrated Circuit Diagrams...10 Transistor Diagrams...11~12 Schematic Diagrams... ...13~14 Amplifier Exploded View...15 SPECIFICATIONS Number of Channels . . . . . . . . . . . . . . . . . . . . . . Power Output max . . . . . . . . . . . . . . . . . . . . . . . . 2 300W RMS Bridged Power Output ,4 Ohm . . . . . . . . . . . . . . . . . . . . . .. 220W RMS Power Output,2 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . RMS Power Output,4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . THD@Rated Output. . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . SNR (A - weighted) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 x 110W 2 x 75W 0.10% >92dB 10Hz-40kHz 30-320Hz LP/HP/OFF 12dB/oct 100mV-4V +6dB@45Hz Frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Active crossover(cont.var.) Crossover settings Crossover slope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . . . . . . . . . . . . . . . . . . . . . Input sensitivity. . . . . . . . . . . Bass Boost . . . . . . . . . . . . . . . . . . . . External Dimensions (Inches) Length . . . . . . . . . . . . . . . . . . . . . . . . . . . Width Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3/8 9 3/8 2 1/16 External Dimensions (mms) Length . . . . . . . . . . . . . . . . . . . . . . . . . . . Width Depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 238 52 1 2 Channel Power Amplifier Features RCA-jacks, Speaker-and power terminals gold-plated 2 ohm stability(stereo mode) Bridging capability(min.4 ohm) Tri-mode operation(min.4 ohm) Protection circuitry thermal-and electrical overload.short-circuit.DC-offset HPF variable high pass filter(HPF)30-320Hz.12dB/oct. LPF variable low pass filter(LPF)30-320Hz.12dB/oct. +6dB(at 45Hz)Bass boost Test Conditions and Notes All tests to be done, unless otherwise specified, from 30Hz to