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Infinity INTERMEZZO 1.2s Service Manual Download Page 1

INTERMEZZO

1.2s Subwoofer

Service Manual

Infinity Systems, Inc

250 Crossways Park Dr.

Woodbury, New York 11797

REV

4 5/2005

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Summary of Contents for INTERMEZZO 1.2s

Page 1: ...INTERMEZZO 1 2s Subwoofer Service Manual Infinity Systems Inc 250 Crossways Park Dr Woodbury New York 11797 REV 4 5 2005...

Page 2: ...S 6 OPERATION 10 MECHANICAL PACKAGING PARTS LIST 11 EXPLODED VIEW of INTERMEZZO 1 2s 12 PACKAGING 13 TEST SET UP AND PROCEDURE 14 BULLETIN INF2001 04 15 IM 1 2s ADJUST BIAS PROCEDURE 17 ELECTRICAL PAR...

Page 3: ...onic Distortion 1 20Hz 130Hz 95dB SPL Crossover Frequencies 50Hz 130Hz continuously variable 24dB Octave Dimensions H x W x D 15 1 4 x 18 1 4 x 13 3 4 387mm x 464mm x 349mm Weight 60 lb 27 3kg Infinit...

Page 4: ...Detailed Specifications INTERMEZZO 1 2s 4...

Page 5: ...INTERMEZZO 1 2s 5 Detailed Specifications Cont...

Page 6: ...INTERMEZZO 1 2s 6 Controls and Connections...

Page 7: ...INTERMEZZO 1 2s 7 Controls and Connections Cont...

Page 8: ...INTERMEZZO 1 2s 8 Controls and Connections Cont...

Page 9: ...INTERMEZZO 1 2s 9 Controls and Connections Cont...

Page 10: ...ass Optimization System or R A B O S is thoroughly covered in the Owner s guide part 336204 001 For service purposes the R A B O S system is canceled when all three front panel controls F L W are turn...

Page 11: ...LE 8 GRILLE See options below 335735 040 9 D COR TRIM PANEL See options below 335739 030 PACKAGING 10 RABOS KIT 335852 002 11 FOOT PAD 4 335459 001 12 POWER CORD 15 ft 336658 115 13 TOP END PAD 336213...

Page 12: ...D SCREWS ONLY TO SERVICE THE INTERMEZZO 1 2s 1 Remove the grille and side panel 2 Extract 8 of the rubber grille retainers shown in view A above this can be accomplished by carefully pulling them out...

Page 13: ...INTERMEZZO 1 2s 13 Packaging View 16 18 17 11 8 9 13 10 12 14 00450 15...

Page 14: ...trol to full counterclockwise 10 5 Green LED should ON Bass response should be heard and felt 6 Turn LEVEL control full clockwise 0 Turn power switch OFF 7 Connect one pair of speaker cables to one se...

Page 15: ...a shorted MOSFET 5 Replace any defective parts above that show measured values lower than normal 6 Reconnect J505 or J6 multicolor ribbon cable connector remount the Power supply PCB reconnect J501 50...

Page 16: ...ower source and replace IL120S IL60 Q504 Q507 IRF640 on the Power Supply PCB Infinity part QM0015 IL50 IL100s Q1 IRF540 on the Power Supply PCB Infinity part QM0020 10 If the voltage is normal turn th...

Page 17: ...er to unit turn power switch ON 6 Verify LED illuminates on the front gain control dial unless you have disconnected the plug 7 Connect voltmeter set to DC millivolt range to twin pins on terminal J30...

Page 18: ...2 5 37V SHUNT TL431CLP DZ0002 Z303 1 ZENER 500mW 12V 5 1N5242B DZ0021 Z301 Z302 2 ZENER 500MW 15V 5 1N5245B DZ0034 Z304 1 ZENER 500MW 10V 5 1N5240B Capacitors CC0020 C335 C366 2 CAP CA 470PF 100V 5 CC...

Page 19: ...1 RM0043 R319 R322 R335 R338 R384 5 RES MF 6K81 1 4W 1 RM0065 R373 1 RES MF 200R 1 4W 1 RM0069 R390 R391 2 RES MF 274R 1 4W 1 RM0071 R389 R392 2 RES MF 332R 1 4W 1 RM0073 R324 R342 2 RES MF 392R 1 4W...

Page 20: ...05X032 MS0017 12 MISC CERAMIC PLATE TO 220 Used on D324 Q305 Q306 Q307 Q310 Q311 Q312 Q319 Q320 Q321 U302 U303 810066 12 MET HTSNK CLIP HPS SERIES Used on D324 Q305 Q306 Q307 Q310 Q311 Q312 Q319 Q320...

Page 21: ...D407 D408 Q403 Q404 Q406 Q407 810096 1 MET HTSNK PRIMARY LF SERIES USED ON Q403 Q404 Q406 Q407 810099 1 MET HTSNK DIODE LF SERIES USED ON D407 D408 HN0006 4 NUT HEX KEP 6 32 ZNP USED ON THE PRIMARY AN...

Page 22: ...75V SIGNAL 1N4148T QB0017 Q102 1 TRANS NPN 150V 0 6A 2N5551 QM0035 S Q100 Q101 Q103 3 JFET J111 SELECTED TR ONLY DZ0013 Z100 1 ZENER 500MW 5 6V 5 1N5232B Capacitors CC0024 C127 C129 2 CAP CA 1000PF 10...

Page 23: ...136 1 RES MF 93K1 1 4W 1 RM0290 R142 R147 2 RES MF 143K 1 4W 1 RM0351 R117 1 RES MF 9K53 1 4W 1 RP0105 R123 1 POT B50K QUAD KNURL SHAFT RM0403 R101 R103 2 RES MF 54K9 1 4W 1 RC0192 R100 R102 2 RES CF...

Page 24: ...R234 1 RES MF 11K5 1 4W 1 RP0087 R205 R213 2 POT A10K DUAL 12MM HOR SEL RP0088 R218 1 POT C10K DUAL 12MM HOR SEL Capacitors CE0003 C203 C204 2 CAP E 2 2UF 50V 20 105C CF0045 C200 C201 C202 3 CAP F 1U...

Page 25: ...CS TO SECURE PANEL TO ENCLOSURE HS0078 2 SCREW 4 HI LOW PAN PHIL BLK USED TO SECURE RABOS BOARD IN HOUSING INTERMEZZO 1 2H 1 INTERMEZZO 1 2 MAIN ENCLOSURE INTERMEZZO 1 2P 1 INTERMEZZO 1 2 MAIN PANEL J...

Page 26: ...T INTERMEZZO 1 2 MM0073 1 MISC RUBBER GROMMET FOR 5PIN FOR SEALING ENCLOSURE OF THE 5PIN CABLE HOLE MM0074 1 MISC RUBBER GROMMET 2X8 PIN FOR SEALING ENCLOSURE OF 2X8 PIN CABLE MZ0003 4 STANDOFF 6 32 3...

Page 27: ...AC Filter 27 INTERMEZZO 1 2s...

Page 28: ...Feature 28 INTERMEZZO 1 2s...

Page 29: ...RABOS 29 INTERMEZZO 1 2s...

Page 30: ...Power Supply 30 INTERMEZZO 1 2s...

Page 31: ...Linear Board 31 INTERMEZZO 1 2s...

Page 32: ...Power Supply 32 INTERMEZZO 1 2s...

Page 33: ...Linear Board 33 INTERMEZZO 1 2s...

Page 34: ...R TO92 MPSA92TR Q302 304 309 313 316 324 401 00462 RT CT B C E TRANS 250V TO220 TIP47 Q319 1 2 3 MOSFET IRF640 740 IRF9640 TO220AB Q305 310 320 321 306 307 311 312 403 404 406 407 1 G 2 D 3 S 5V TO220...

Page 35: ...Intermezzo 1 2s Schematics 35...

Page 36: ...Intermezzo 1 2s Schematics 36...

Page 37: ...Intermezzo 1 2s Schematics 37...

Page 38: ...Intermezzo 1 2s Schematics 38...

Page 39: ...Intermezzo 1 2s Schematics 39...

Page 40: ...RABOS Gain PCB Intermezzo 1 2s Schematics 40...

Page 41: ...41...

Page 42: ...Intermezzo 1 2s Schematics 42...

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