Infinity Reference 1600A Service Manual Download Page 1

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Reference Series

1600a

1 CHANNEL POWER AMPLIFIER

SERVICE MANUAL

Infinity Systems, Inc.

250 Crossways Park Dr.

Woodbury, New York 11797

Rev1 3/2008

Released 2007

Discontinued XXXX

Summary of Contents for Reference 1600A

Page 1: ...Reference Series 1600a 1 CHANNEL POWER AMPLIFIER SERVICE MANUAL Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 Rev1 3 2008 Released 2007 Discontinued XXXX...

Page 2: ...RMS x 1 2 ohms 1 THD N Signal to noise ratio 80dBA reference 1W into 4 ohms Dynamic power 894W channels 2 ohms Effective damping factor 6 3 4 ohms Frequency response 11Hz 330Hz 3dB Maximum input signa...

Page 3: ...105 dBA 1 watt into 4 ohms 1V signal input Input Sensitivity Low Level Input v full rated power 100mV 6V Volts 20 Frequency response Unit 3dB 11Hz 330Hz Hz 3dB Bass Boost Unit dB 45HZ 5Hz 0 6dB dB 1dB...

Page 4: ...tic Bag 1 4 BZL279112001 Packing Foam 1 5 Visit Infinitysystems com Owner s manual 1 6 Plastic Bag 1 7 Accessory kit consisting of 1 LS1CJ0402507 Mounting Screws 4 1601 253G 00 SPARE 25A FUSES 3 REMOT...

Page 5: ...s 3 and 4 do not show power remote and input connections Subwoofers or voice coils connected in series Subwoofers or voice coils connected in parallel APPLICATIONS 1300a AND 1600a Figure 3 Reference 1...

Page 6: ...way While listening to music adjust the crossover for the least perceived distortion from the speakers allowing them to reproduce as much bass as possible Low Pass Filters For subwoofers choose the hi...

Page 7: ...for terminal RCA jacks 3 9 XN 10500 012 Knob 3 10 LSIAP0300607 Screw 6 11 LSIAM0300607 Screw 2 12 XG 0017 2601 Bottom plate 1 13 PL L0007 000 Transistor spring clip 2 1 14 PL L0006 000 Transistor spri...

Page 8: ...the Rev1 Top cover will not fit properly on the original heatsink Top Cover Part Numbers MODEL PART NUMBER SERIAL NUMBER REF475A SG 0016 2601 EV0001 01000 to EV0001 09138 REF475A SG 0001 2607 EV0001...

Page 9: ...OUTPUT R 32 320Hz 80 32 320Hz 50 IMS INPUT OP OP OP OP OP OP AMP BALANCED INPUT UNIT BALANCED INPUT UNIT GAIN CONTROL LP FREQ VARIABLE 32Hz 320Hz 12dB BASSBOOST VARIABLE 0dB 6dB 50Hz MAIN AMP SPEAKER...

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Page 19: ...701 2154 02 Resistor SMD 150K 1 8W 5 0805 2 R94 R93 0702 3220 02 Carbon resistor 1 2W 22 5 TR 12 5MM 3 R169 R168 R167 0702 4682 02 Carbon resistor 1W 6 8K 5 15mm 2 R176 R177 0702 4123 02 Carbon resist...

Page 20: ...pacitor 2 2UF 50V 20 5 11 105 Orange 5mm TR 1 C41 06D21478H001 E capacitor 4700UF 80V 20 105 35 30mm 10 5mm 4 C145 C146 C147 C148 06D212266010 E capacitor 22uF 50V 20 5 11 105 TR 5 0MM 6 C3 C4 C7 C8 C...

Page 21: ...SMD 1N4148 DO 213AA 10 D18 03N1 5551 04 Transistor SMD MMBT5551LT1 NPN SOT 23 1 Q33 03P1 5401 04 Transistor SMD MMBT5401LT1 PNP SOT 23 1 Q32 03P1 1023 01 Transistor DIP 2SA1023 TO 92 PNP TR 2 Q19 Q20...

Page 22: ...4AHC1G04 Inverter SOT 235 1 U16 0100 2010 00 IC IR2010S High Low side driver SOL 16 1 U10 03P1 5401 04 Transistor SMD MMBT5401LT1 PNP SOT 23 1 Q30 01TC WH04 00 IC TC7WH04F Triple Inverter 1 U9 04ZL 25...

Page 23: ...k zinc 1 LS1FM0300011 Screw KM 3 6MM Black zinc 5 CP B00011400 Lens 40 10 8 5 7mm PC plastic cold grey10C 1 GD 600011400 Reflector board 270 53 5 13mm clear blue PC plastic 1 SG 0016 2601 Top plate 36...

Page 24: ...1600a Reference Series 23...

Page 25: ...channels ideal for Audio Class D and DC DC converter applications Logic inputs are compatible with standard CMOS or LSTTL output down to 3 0V logic The output drivers feature a high pulse current buf...

Page 26: ...Logic supply HIN Logic input for high side gate driver output HO in phase SD Logic input for shutdown LIN Logic input for low side gate driver output LO in phase VSS Logic ground VB High side floatin...

Page 27: ...RJ 11 12V 12V 3 2 1 U1A JRC4560 R13 47K R9 47K C15 100P 5 6 7 8 4 U1B JRC4560 R14 47K R11 47K C16 100P C19 104 C18 104 12V 12V R21 10K R22 10K 3 2 1 U2A JRC4560 R50 470R C30 471 1 3 2 VR1A B20K 3 2 1...

Page 28: ...11 30UH 1 2 L12 30UH C109 W2200 35V P 12V R176 6 8K R177 6 8K 2 4 9 8 6 1 3 7 10 14 5 11 12 13 L8 T54 D20 FR104 COM 2 2 1 1 F1A 25A 4 4 3 3 F1B 25A 6 6 5 5 F1C 25A C145 4700U 80V C146 4700U 80V L2 10R...

Page 29: ...K R191 100R D3 IN4148 R192 100R C104 2 2U 16V 5V BLAS R44 4 7K D4 IN4148 R49 100R COM 1 2 5 3 4 U16 AO4G COM C62 100P C61 100P C59 104 C60 104 R41 4 7K R113 220R 12V1OU R58 1K R45 430R 8 7 6 5 4 3 2 1...

Page 30: ...IN4148 D10 IN4148 D14 IN4148 PWM R120 12K 1W 1 2 3 4 CN2 CN4 C97 222 R119 4 7R C99 474 100V C98 474 100V D35 MUR120 D34 MUR120 R185 2 2K R140 2 2K C124 471 C141 10U 100V C23 222 1 2 3 4 5 6 7 8 9 10 1...

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