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SERVICE MANUAL
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EQUALIZER
EQ-2131/2231/2215
www.inter-m.com
MADE IN KOREA
2003.6 9017100400
SPECIFICATIONS
ELECTRICAL
· Output Level / Impedance ....................................................................................................0dB/600, BAL · Input Sensitivity / Impedance................................................................................................0dB/600, BAL · Total Harmonic Distortion ...................................................................................................Less than 0.01% · Frequency Response....................................................................................................20Hz~20kHz (±1dB) · Signal to Noise Ratio ..........................................................................................................Better than 85dB · Equalizer Level .....................................................................................................................................+6dB · Equalizer Frequency EQ-2131/2231 ...........................................1/3 Octave ISO (International-Standard-Organization) centers EQ-2215 .................................................................................................................2/3 Octave ISO centers · High Pass Filter ...................................................................................................................80Hz (18dB/oct) · Cut Only Mode..............................................................................................................-12dB or -24dB±3dB
GENERAL
· Power Source ..................................................................................... AC 100V/120V/230V/240V, 50/60Hz · Power Consumption .................................................................................................... EQ-2131/2215: 15W .............................................................................................................................................. EQ-2231: 20W · Weight ............................................................................................................. EQ-2131/2215: 4.5kg/10Lbs ..................................................................................................................................... EQ-2231: 5kg/11Lbs · Dimensions.................................................................. 482mm/19in(W) 88mm/3.5in(H) 280mm/11in(D)
* Due to continuous improvements specifications and design are subject to change without prior notice.
CONTENTS
Specifications Electrical Parts List Top and Bottom View of P.C. Board Wiring Diagram Block Diagram Schematic Diagram Exploded View of Cabinet & Chassis / Mechanical Parts List Ass'y Drawing 1 2, 3, 4, 5, 6 7, 8, 9, 10 11, 12, 13 14, 15, 16 17 ~ 26 27 ~ 32 33 ~ 38
1
ELECTRICAL PARTS LIST
Ref No. Part No. Description EQ-2131
1000/35 10/50 100/25 220/25 47/25 47/50 100P 0.01/50 120P 220P 270P 10000P
Value
Ref No.
TERMINAL TERMINAL
Part No.
4465998210 4235007210
Description
TERMINAL(250)PCB TAB GND TERMINAL (POWER B'D)
Value
250T GND
Ref No.
R146-147 R157-159 R513 R521 R546-547 R557-559 R109 R111 R122-123 R131-132 R161-166 R203 R509 R511 R522-523 R531-532 R561-566 R137 R141 R537 R541 R139 R539 R106 R506 R144 R544 R114-115 R514-515 R156 R160 R556 R560 R208 R116-117 R120 R516-517 R520 R152 R154 R552 R554 R201 R202 R112 R118-119 R148 R150 R512 R518-519 R548 R550 R142 R542 R143 R543 R151 R153 R551 R553 R107 R145 R507 R545 R204-205 RY101 RY501 TERMINAL TERMINAL
Part No.
Description
Value
Ref No.
C358-359 C361-362 C301-302 C304-305 C307-308 C310-311 C313-314 C316-317 C319-320 C322-323 C325-326 C328-329 C331-332 D302 LIMITER D301 D303-309 LIMITER IC301-316 JUMPER R310 R350 R390 R306 R346 R386 R302 R337 R377 R417 R333 R373 R413 R329 R342 R369 R382 R409 R422 R325 R338 R365 R378 R405 R418 R321 R334 R361 R374 R401 R414 R317 R330 R357 R370 R397 R410 R313 R326 R353 R366 R393 R406 R309 R322 R349 R362 R389 R402 R305 R318 R345 R358 R385 R398 R301 R314 R354 R394 R323 R363 R403 R319 R359 R399 R315 R355 R395 R311 R351 R391 R308 R347 R387 R303 R304 R307 R312 R316 R320 R324 R328 R332 R336 R340 R344 R348 R352 R356 R360 R364 R368 R372 R376 R380 R384 R388 R392 R396 R400 R404 R408 R412 R416 R420 R424 R341 R381 R421 R343 R383 R423 R339 R379 R419 R335 R375 R415 R331 R371 R411 R327 R367 R407 R426 R429 R425 R433-434 R427 R428 R430-432 R435-436 VR301-332 SW301 SW304 SW302-303
Part No.
Description
Value
MAIN B'D (4003480400)
C208-211 C204 C116-117 C125 C101-102 C105 C214-215 C109 C140 C205 C110 C206 C212-213 C104 C124 C207 C114 C122 C126-127 C130-133 C135-136 C111-113 C118 C139 C115 C119 C120 C141-142 C138 C106-108 A2 - C2 CN5 CN101 CN104 CN102 CN103 SW201-B D101 D201-202 D205-208 D102-107 D203-204 F201 IC105 IC101-104 IC106 IC201 IC202 HEAT SINK JK103 JK102 JK104 JK101 JUMPER Q201-202 Q101-106 R124 R127-128 R135-136 R149 R102-105 R125 R134 R129-130 R126 R133 R108 R110 R113 R121 R146-147 R157-159 R109 R111 R122-123 R131-132 R161-166 R203 R137 R141 R139 R106 R144 R114-115 R156 R160 R208 R116-117 R120 R152 R154 R201 R202 R112 R118-119 R148 R150 R142 R143 R151 R153 R107 R145 R204-207 RY101 3408210261 3409210071-T 3409210141-T 3409222141-T 3409247041-T 3409247071-T 3509101231-A 3509103530-T 3509121231-A 3509221930-T 3509271231-A 3529103531-A
CAP RSG 1000UF 35V SNAP 16 P CAP AF RSG 10UF 50V 5 P CAP AF RSG 100UF 25V 6 P CAP AF RSG 220UF 25V J 8 P CAP AF RSG 47UF 25V 5 P CAP AF RSG 47UF 50V 6 P CAP CE B 100PF 50V K AXIAL CAP CE F 0.01UF 50V Z CAP CE B 120PF 50V K AXIAL CAP CE 220P 50V UJ TYPE CAP CE B 270PF 50V K AXIAL CAP CE F 10000PF 50V Z
MAIN B'D (4003480400)
C208-211 C204 C116-117 C125 C516-517 C525 C101-102 C105 C214-215 C501-502 C505 C109 C140 C509 C540 C205 C110 C510 C206 C212-213 C104 C124 C504 C524 C207 C114 C514 C122 C126-127 C130-133 C135-136 C522 C526-527 C530-533 C535-536 C111-113 C118 C139 C511-513 C518 C539 C115 C119 C515 C519 C120 C141-142 C520 C541-542 C138 C538 C106-108 C506-508 A2 - C2 CN5 CN101 CN104 CN501 CN504 CN102 CN502 CN103 CN503 SW201-B D101 D201-202 D205-208 D501 D102-107 D203-204 D502-507 FUSE CLIP IC105 IC505 IC101-104 IC501-504 IC106 IC506 IC201 IC202 HEAT SINK JK103 JK503 JK102 JK104 JK502 JK504 JK101 JK501 JUMPER Q201-202 Q101-106 Q501-506 R124 R127-128 R135-136 R149 R524 R527-528 R535-536 R549 R102-105 R502-505 R125 R134 R525 R534 R129-130 R529-530 R126 R133 R526 R533 R108 R110 R508 R510 R113 R121
EQ-2231/EQ-2215
1000/35 10/50 100/25 220/25
3639334111-T CAP ECQ-V 1H334JL2 0.33UF 50V
0.33/50
3408210261 CAP RSG 1000UF 35V SNAP 16 P 3409210071-T CAP AF RSG 10UF 50V 5 P 3409210141-T CAP AF RSG 100UF 25V 6 P 3409222141-T CAP AF RSG 220UF 25V J 8 P
3009104973
RES CF 100K 1/5W J N
100K
3409247041-T CAP AF RSG 47UF 25V 5 P 3409247071-T 3509101231-A 3509103530-T 3509121231-A CAP AF RSG 47UF 50V 6 P CAP CE B 100PF 50V K AXIAL CAP CE F 0.01UF 50V Z CAP CE B 120PF 50V K AXIAL
47/25 47/50 100P 0.01/50 120P 220P 270P 10000P
3009105973 3009182973 3009183973 3009202973 3009203973 3009204973 3009222973 3009272973 3009273973 3009472973 3009561973 3009562973
RES CF 1M 1/5W J N RES CF 1.8K 1/5W J N RES CF 18K 1/5W J N RES CF 2K 1/5W J N RES CF 20K 1/5W J N RES CF 200K 1/5W J RES CF 2.2K 1/5W J N RES CF 2.7K 1/5W J N RES CF 27K 1/5W J N RES CF 4.7K 1/5W J N RES CF 560 1/5W J N RES CF 5.6K 1/5W J N
1M 1.8K 18K 2K 20K 200K 2.2K 2.7K 27K 4.7K 560 5.6K
3529220311-A CAP CE SL 22PF 50V J AXIAL 3529470311-A 3569104933-A 3609103120-T 3609683120-T 4355955320 4428596603 4428598303 4428598306 4428598307 4428595002 2058100996 2058304100 4458999110 2118010332 2118010432 2118010590 2128611000 2128611100 7505207140 4408194210 4438097310 4438193610 1508400501 2008606999-T 2028821134-T 3002100953 3002150953 3002200953 3002205953 3004100953 3009101973 3009103973 CAP CE SL 47PF 50V J AXIAL CAP CE MONO 0.1UF 50VZSMA-4000 CAP MA 0.01UF 100V CAP MA 0.068UF 100V J CON ASS'Y 2P 130MM LOCK WAFER LW-1143-03P CONNECTOR WAFER LW-0640-3P CONNECTOR WAFER LW-0640-6P CONNECTOR WAFER LW-0640-7P LW5267/LWB0640/2.5MM-02P DIODE RECTIFIER LT1N4006(4007) DIODE IN4148M FUSE CLIP 5*20 IC NJM 5532DD JRC IC NJM2068DD JRC IC NJM4558D JRC IC KA7818 COMMON IC KA7918 COMMON "H/S MA-5/8/33,CA-6215" XLR JACK(M) E503A0130N JACK PHONE 4P XLR JACK(F)3P(E203A0031N) JUMP WIRE(0.5/52M/M) KTC3198-BL-AT FET 2SK372 BL-TYPE 4 RES CF 10K 1/5W F N RES CF 15K 1/5W F N RES CF 20K 1/5W F N RES CF 20.5K 1/5W FN RES CF 100 1/5W FN SMA-4000 RES CF 100 1/5W J N RES CF 10K 1/5W J N
22P 47P 0.1/50 0.01/100(M) 0.068/100(M) ASSY 2P LW-1143-03P LW-0640-3P LW-0640-6P LW-0640-7P LW-5267-2P 1N 4006 1N 4148 FUSE CLIP 5532DD 2068DD 4558D 7818 7918 HEAT SINK XLR 3P(M) PHONE 4P XLR 3P(F) JUMPER KTC 3198BL 2SK 372 10K 1% 15K 1% 20K 1% 20.5K 1% 100 1% 100 10K
3509221930-T CAP CE 220P 50V UJ TYPE 3509271231-A CAP CE B 270PF 50V K AXIAL 3529103531-A CAP CE F 10000PF 50V Z
2300030000 8545993690 2309770100 8545985510 2168220990 1508400501 3001124953 3001143953 3001178953 3002120953 3002150953 3002200953 3002240953 3002301953 3002392953 3002475953 3002610953 3002787953 3002820953 3002953953 3003100953 3003120953 3003150953 3003200953 3003274953 3003300953 3003560953
LED LTL-1CHEE LITEON LED LIMITER LED BL-S4548 RED 1.8MM LED LIMITER(2DOT) IC NJM 2043LD(NJM) JUMP WIRE(0.5/52M/M) RES CF 124K 1/5W FN RES CF 143K 1/5W FN RES CF 178K 1/5W FN RES CF 12K 1/5W FN RES CF 15K 1/5W F N RES CF 20K 1/5W F N RES CF 24K 1/5W F N RES CF 30.1K 1/5W F N RES CF 39.2K 1/5W F N RES CF 47.5K 1/5W F N RES CF 61K 1/5W F N RES CF 78.7K 1/5W FN RES CF 82K 1/5W FN RES CF 95.3K 1/5W F N RES CF 1K 1/5W F N RES CF 1.2K 1/5W FN RES CF 1.5K 1/5W F N RES CF 2K 1/5W FN SMA-4000 RES CF 2.7K 1/5W F N RES CF 3K 1/5W FN RES CF 5.6K 1/5W F N
LED3MM LED LIMITER LED1.8MM LED LIMITER 2043LD JUMPER 124K 1% 143K 1% 178K 1% 12K 1% 15K 1% 20K 1% 24K 1% 30.1K 1% 39.2K 1% 47.5K 1% 61K 1% 78.7K 1% 82K 1% 95.3K 1% 1K 1% 1.2K 1% 1.5K 1% 2K 1% 2.7K 1% 3K 1% 5.6K 1%
3529220311-A CAP CE SL 22PF 50V J AXIAL
22P
3529470311-A CAP CE SL 47PF 50V J AXIAL
47P
3569104933-A CAP CE MONO 0.1UF 50VZSMA-4000 0.1/50 3609103120-T CAP MA 0.01UF 100V 3609683120-T CAP MA 0.068UF 100V J 4355955320 4428596603 4428598303 4428598306 4428598307 4428595002 2058100996 2058304100 CON ASS'Y 2P 130MM LOCK WAFER LW-1143-03P CONNECTOR WAFER LW-0640-3P CONNECTOR WAFER LW-0640-6P CONNECTOR WAFER LW-0640-7P LW5267/LWB0640/2.5MM-02P DIODE RECTIFIER LT1N4006(4007) DIODE IN4148M 0.01/100(M) 0.068/100(M) ASSY 2P LW-1143-03P LW-0640-3P LW-0640-6P LW-0640-7P LW-5267-2P 1N 4006 1N 4148
3009682973 3009752973 3009753973 3009823973 3039479575-T 5528999700 4465998210 4235007210
RES CF 6.8K 1/5W J N RES CF 7.5K 1/5W J N RES CF 75K 1/5W J N RES CF 82K 1/5W J N RES MO 4.7 2W J RADIAL RELAY 876AN2-2C-S 24VDC TERMINAL(250)PCB TAB GND TERMINAL (POWER B'D)
6.8K 7.5K 75K 82K 4.7 2W 24VDC 250T GND
VR B'D (4003480700)
AN104 AN101 AN102 AN103 C400 C303 C306 C309 C312 C315 C318 C321 C324 C327 C330 C333 C336 C339 C342 C345 C348 C351 C354 C357 C360 C363 C366 C369 C372 C375 C378 C381 C384 C387 C390 C393-394 C396 C395 C397-399 C364-365 C367-368 C370-371 C373-374 C376-377 C379-380 C382-383 C385-386 C388-389 C391-392 C334-335 C337-338 C340-341 C343-344 C346-347 C349-350 C352-353 C355-356 4355885714 4355885721 4428594506 4428594507 3409210072-T 3409210141-T
EQ-2131
ASS'Y 3P 300MM ASS'Y 3P 510MM 53014-0610 53014-0710 10/50 100/25
4458999110 2118010332 2118010432 2118010590 2128610900 2128610800 7505207140 4408194210 4438097310 4438193610 1508400501 2008606999-T 2028821134-T 3002100953
FUSE CLIP 5*20 IC NJM 5532DD JRC IC NJM2068DD JRC IC NJM4558D JRC IC KA7815 COMMON IC MC7915 COMMON "H/S MA-5/8/33,CA-6215" XLR JACK(M) E503A0130N JACK PHONE 4P XLR JACK(F)3P(E203A0031N) JUMP WIRE(0.5/52M/M) KTC3198-BL-AT FET 2SK372 BL-TYPE 4 RES CF 10K 1/5W F N
FUSE CLIP 5532DD 2068DD 4558D 7815 7915 HEAT SINK XLR 3P(M) JACK PHONE 4P XLR 3P(F) JUMPER KTC 3198BL 2SK 372 10K 1%
CONNECTOR ASS'Y 3P (300MM) CONNECTOR ASS'Y 3P (510MM) WAFER (53014-0610)/2MM/MH51004 WAFER (53014-0710)/2MM/MH51004 CAP AF SE 10UF 50V 6.3X5(2.5MM CAP AF RSG 100UF 25V 6 P
3009104973
RES CF 100K 1/5W J N
100K
3009105973 3009182973 3009183973 3009202973 3009203973 3009204973 3009222973 3009272973 3009273973 3009472973 3009561973 3009562973 3009682973 3009752973 3009753973 3009823973 3039100575-T 5528999700
RES CF 1M 1/5W J N RES CF 1.8K 1/5W J N RES CF 18K 1/5W J N RES CF 2K 1/5W J N RES CF 20K 1/5W J N RES CF 200K 1/5W J RES CF 2.2K 1/5W J N RES CF 2.7K 1/5W J N RES CF 27K 1/5W J N RES CF 4.7K 1/5W J N RES CF 560 1/5W J N RES CF 5.6K 1/5W J N RES CF 6.8K 1/5W J N RES CF 7.5K 1/5W J N RES CF 75K 1/5W J N RES CF 82K 1/5W J N RES MO 10 2W JR RELAY 876AN2-2C-S 24VDC
1M 1.8K 18K 2K 20K 200K 2.2K 2.7K 27K 4.7K 560 5.6K 6.8K 7.5K 75K 82K 10 2W 24VDC
3509103530-T CAP CE F 0.01UF 50V Z 3609332120-T CAP MA 0.0033UF 100V
0.01/50 0.0033/100(M)
3003940953 3004294953 3004405953 3004475953 3004580953 3004806953 3009152973 3009182973 3009184973 3009681973 3009752973 3238079200 4628980110 4628980120
RES CF 9.4K 1/5W F N RES CF 294 1/5W FN RES CF 405 1/5W F N RES CF 475 1/5W FN SMA-4000 RES CF 580 1/5W FN RES CF 806 1/5W FN RES CF 1.5K 1/5W J N RES CF 1.8K 1/5W J N RES CF 180K 1/5W J N RES CF 680 1/5W J N RES CF 7.5K 1/5W J N VR SLIDE RS451113D 100KW ALPS SW PUSH JPS2281EAB JEIL SW PUSH JPS4281A JEIL
9.4K 1% 294 1% 405 1% 475 1% 580 1% 806 1% 1.5K 1.8K 180K 680 7.5K 100KW JPS2281EAB JPS4281EA
3002150953 3002200953 3002205953 3004100953 3009101973 3009103973
RES CF 15K 1/5W F N RES CF 20K 1/5W F N RES CF 20.5K 1/5W FN RES CF 100 1/5W FN SMA-4000 RES CF 100 1/5W J N RES CF 10K 1/5W J N
15K 1% 20K 1% 20.5K 1% 100 1% 100 10K
3609333120-T CAP MA 0.033UF 100V J
0.033/100(M)
VR B'D (4003480600)
AN104 AN504 AN101 AN501 AN102 AN502 AN103 AN503 C400 C700 4355885714 4355885721 4428594506 4428594507 3409210072-T
EQ-2231
ASS'Y 3P 300MM ASS'Y 3P 510MM 53014-0610 53014-0710 10/50
CONNECTOR ASS'Y 3P (300MM) CONNECTOR ASS'Y 3P (510MM) WAFER (53014-0610)/2MM/MH51004 WAFER (53014-0710)/2MM/MH51004 CAP AF SE 10UF 50V 6.3X5(2.5MM
2
3
Ref No.
C303 C306 C309 C312 C315 C318 C321 C324 C327 C330 C333 C336 C339 C342 C345 C348 C351 C354 C357 C360 C363 C366 C369 C372 C375 C378 C381 C384 C387 C390 C393-394 C396 C603 C606 C609 C612 C615 C618 C621 C624 C627 C630 C633 C636 C639 C642 C645 C648 C651 C654 C657 C660 C663 C666 C669 C672 C675 C678 C681 C684 C687 C690 C693-694 C696 C395 C397-399 C695 C697-699 C364-365 C367-368 C370-371 C373-374 C376-377 C379-380 C382-383 C385-386 C388-389 C391-392 C664-665 C667-668 C670-671 C673-674 C676-677 C679-680 C682-683 C685-686 C688-689 C691-692 C334-335 C337-338 C340-341 C343-344 C346-347 C349-350 C352-353 C355-356 C358-359 C361-362 C634-635 C637-638 C640-641 C643-644 C646-647 C649-650 C652-653 C655-656 C658-659 C661-662 C301-302 C304-305 C307-308 C310-311 C313-314 C316-317 C319-320 C322-323 C325-326 C328-329 C331-332 C601-602 C604-605 C607-608 C610-611
Part No.
Description
Value
100/25
Ref No.
C613-614 C616-617 C619-620 C622-623 C625-626 C628-629 C631-632 D302 D602 LIMITER D301 D303-309 D601 D603-609 LIMITER IC301-316 IC601-616 JUMPER R310 R350 R390 R610 R650 R690 R306 R346 R386 R606 R646 R686 R302 R602 R337 R377 R417 R637 R677 R717 R333 R373 R413 R633 R673 R713 R329 R342 R369 R382 R409 R422 R629 R642 R669 R682 R709 R722 R325 R338 R365 R378 R405 R418 R625 R638 R665 R678 R705 R718 R321 R334 R361 R374 R401 R414 R621 R634 R661 R674 R701 R714 R317 R330 R357 R370 R397 R410 R617 R630 R657 R670 R697 R710 R313 R326 R353 R366 R393 R406 R613 R626 R653 R666 R693 R706 R309 R322 R349 R362 R389 R402 R609 R622 R649 R662 R689 R702 R305 R318 R345 R358 R385 R398 R605 R618 R645 R658 R685 R698 R301 R601 R314 R354 R394 R614 R654 R694 R323 R363 R403 R623 R663 R703 R319 R359 R399 R619 R659 R699 R315 R355 R395 R615 R655 R695 R311 R351 R391 R611 R651 R691 R308 R347 R387 R608 R647 R687 R303 R603 R304 R307 R312 R316 R320 R324 R328 R332 R336 R340 R344 R348 R352 R356 R360 R364 R368 R372 R376 R380 R384 R388 R392 R396 R400 R404 R408 R412 R416 R420 R424 R604 R607 R612 R616 R620 R624 R628 R632
Part No.
Description
Value
Ref No.
R636 R640 R644 R648 R652 R656 R660 R664 R668 R672 R676 R680 R684 R688 R692 R696 R700 R704 R708 R712 R716 R720 R724 R341 R381 R421 R641 R681 R721 R343 R383 R423 R643 R683 R723 R339 R379 R419 R639 R679 R719 R335 R375 R415 R635 R675 R715 R331 R371 R411 R631 R671 R711 R327 R367 R407 R627 R667 R707 R426 R429 R726 R730 R425 R725 R433-434 R733-734 R427 R727 R428 R430-432 R435-436 R728-729 R731-732 R735-736 VR301-332 VR601-632 SW301 SW304 SW601 SW604 SW302-303 SW602-603
Part No.
Description
Value
Ref No.
C301-302 C304-305 C307-308 C310-311 C313-314 C601-602 C604-605 C607-608 C610-611 C613-614 D302 D602 LIMITER D301 D303-309 D601 D603-609 LIMITER IC301-308 IC601-608 JUMPER R302 R322 R342 R602 R622 R642 R317 R337 R357 R617 R637 R657 R313 R333 R353 R613 R633 R653 R318 R338 R358 R618 R638 R658 R309 R329 R349 R609 R629 R649 R314 R334 R354 R614 R634 R654 R305 R325 R345 R605 R625 R645 R310 R330 R350 R610 R630 R650 R301 R321 R341 R601 R621 R641 R306 R326 R346 R606 R626 R646 R311 R331 R351 R611 R631 R651 R308 R327 R347 R608 R627 R647 R303 R323 R343 R603 R623 R643 R304 R307 R312 R316 R320 R324 R328 R332 R336 R340 R344 R348 R352 R356 R360 R604 R607 R612 R616 R620 R624 R628 R632 R636 R640 R644 R648 R652 R656 R660 R319 R339 R359 R619 R639 R659 R315 R335 R355 R615 R635 R655 R364 R367 R664 R667 R363 R663 R433-434 R733-734 R362 R662 R361 R365 R431-432 R435-436 R661 R665 R731-732 R735-736 VR301-315 VR332 VR601-615 VR632 SW301 SW304 SW601 SW604 SW302-303 SW602-603
Part No.
Description
Value
0.33/50
3409210141-T CAP AF RSG 100UF 25V 6 P
3639334111-T CAP ECQ-V 1H334JL2 0.33UF 50V
2300030000 8545993690 2309770100 8545985510 2168220990 1508400501 3001124953 3001143953 3001178953 3002120953 3002150953 3002200953
LED LTL-1CHEE LITEON LED LIMITER LED BL-S4548 RED 1.8MM LED LIMITER(2DOT) IC NJM 2043LD(NJM) JUMP WIRE(0.5/52M/M) RES CF 124K 1/5W FN RES CF 143K 1/5W FN RES CF 178K 1/5W FN RES CF 12K 1/5W FN RES CF 15K 1/5W F N RES CF 20K 1/5W F N
LED3MM LED LIMITER LED1.8MM LED LIMITER 2043LD JUMPER 124K 1% 143K 1% 178K 1% 12K 1% 15K 1% 20K 1%
3003940953 3004294953 3004405953 3004475953 3004580953 3004806953 3009152973 3009182973 3009184973 3009681973 3009752973
RES CF 9.4K 1/5W F N RES CF 294 1/5W FN RES CF 405 1/5W F N RES CF 475 1/5W FN SMA-4000 RES CF 580 1/5W FN RES CF 806 1/5W FN RES CF 1.5K 1/5W J N RES CF 1.8K 1/5W J N RES CF 180K 1/5W J N RES CF 680 1/5W J N RES CF 7.5K 1/5W J N
9.4K 1% 294 1% 405 1% 475 1% 580 1% 806 1% 1.5K 1.8K 180K 680 7.5K
2300030000 8545993690 2309770100 8545985510 2168220990 1508400501 3001143953 3002120953 3002200953 3002240953 3002301953 3002392953 3002475953 3002610953 3002787953 3002953953 3003100953 3003150953 3003274953 3003560953
LED LTL-1CHEE LITEON LED LIMITER LED BL-S4548 RED 1.8MM LED LIMITER(2DOT) IC NJM 2043LD(NJM) JUMP WIRE(0.5/52M/M) RES CF 143K 1/5W FN RES CF 12K 1/5W FN RES CF 20K 1/5W F N RES CF 24K 1/5W F N RES CF 30.1K 1/5W F N RES CF 39.2K 1/5W F N RES CF 47.5K 1/5W F N RES CF 61K 1/5W F N RES CF 78.7K 1/5W FN RES CF 95.3K 1/5W F N RES CF 1K 1/5W F N RES CF 1.5K 1/5W F N RES CF 2.7K 1/5W F N RES CF 5.6K 1/5W F N
LED3MM LED LIMITER LED1.8MM LED LIMITER 2043LD JUMPER 143K 1% 12K 1% 20K 1% 24K 1% 30.1K 1% 39.2K 1% 47.5K 1% 61K 1% 78.7K 1% 95.3K 1% 1K 1% 1.5K 1% 2.7K 1% 5.6K 1%
3509103530-T CAP CE F 0.01UF 50V Z 3609332120-T CAP MA 0.0033UF 100V
0.01/50 0.0033/100(M)
3002240953
RES CF 24K 1/5W F N
24K 1%
3238079200 4628980110 4628980120
VR SLIDE RS451113D 100KW ALPS SW PUSH JPS2281EAB JEIL SW PUSH JPS4281A JEIL
100KW JPS2281EAB JPS4281EA
3002301953
RES CF 30.1K 1/5W F N
30.1K 1%
3002392953
RES CF 39.2K 1/5W F N
39.2K 1%
VR B'D (4003480500)
3002475953 RES CF 47.5K 1/5W F N 47.5K 1% AN104 AN101 AN504 AN501 AN102 AN502 AN103 AN503 C400 C700 C303 C306 C309 C312 C315 C318 C321 C324 C327 C330 C333 C336 C339 C342 C345-346 C348 C603 C606 C609 C612 C615 C618 C621 C624 C627 C630 C633 C636 C639 C642 C645-646 C648 C347 C349 C647 C649 C331-332 C334-335 C337-338 C340-341 C343-344 C631-632 C634-635 C637-638 C640-641 C643-644 C316-317 C319-320 C322-323 C325-326 C328-329 C616-617 C619-620 C622-623 C625-626 C628-629 4355885705 4355885714 4355885721 4428594506 4428594507 3409210072-T 3409210141-T
EQ-2215
ASS Y 3P 120MM ASS Y 3P 300MM ASS Y 3P 510MM 53014-0610 53014-0710 10/50 100/25
3609333120-T CAP MA 0.033UF 100V J
0.033/100(M)
3002610953
RES CF 61K 1/5W F N
61K 1%
CONNECTOR ASS Y 3P (120MM) CONNECTOR ASS Y 3P (300MM) CONNECTOR ASS Y 3P (510MM) WAFER (53014-0610)/2MM/MH51004 WAFER (53014-0710)/2MM/MH51004 CAP AF SE 10UF 50V 6.3X5(2.5MM CAP AF RSG 100UF 25V 6 P
3002787953
RES CF 78.7K 1/5W FN
78.7K 1%
3002820953 3002953953 3003100953 3003120953 3003150953 3003200953 3003274953 3003300953 3003560953
RES CF 82K 1/5W FN RES CF 95.3K 1/5W F N RES CF 1K 1/5W F N RES CF 1.2K 1/5W FN RES CF 1.5K 1/5W F N RES CF 2K 1/5W FN SMA-4000 RES CF 2.7K 1/5W F N RES CF 3K 1/5W FN RES CF 5.6K 1/5W F N
82K 1% 95.3K 1% 1K 1% 1.2K 1% 1.5K 1% 2K 1% 2.7K 1% 3K 1% 5.6K 1%
3004405953 3004649953 3009152973 3009182973 3009184973 3009681973 3009752973
RES CF 405 1/5W F N RES CF 649 1/5W FN SMA-4000 RES CF 1.5K 1/5W J N RES CF 1.8K 1/5W J N RES CF 180K 1/5W J N RES CF 680 1/5W J N RES CF 7.5K 1/5W J N
405 1% 649 1% 1.5K 1.8K 180K 680 7.5K
3509103530-T CAP CE F 0.01UF 50V Z 3609332120-T CAP MA 0.0033UF 100V
0.01/50 0.0033(M)
3639334111-T CAP ECQ-V 1H334JL2 0.33UF 50V
0.33/50
3609333120-T CAP MA 0.033UF 100V J
0.033(M)
3238079200
VR SLIDE RS451113D 100KW ALPS
100KW
4628980110 4628980120
SW PUSH JPS2281EAB JEIL SW PUSH JPS4281A JEIL
JPS2281EAB JPS4281EA
4
5
TOP AND BOTTOM VIEW OF P.C BOARD
Ref No. Part No. EQ-2131/EQ-2231/EQ-2215
4448997310 4648097210 4355891914 4355470614 4355917701 4355864109 4355864209 4308993510 4308999310 4308997310 4308999410 4308991010 4308998000 4355773021 4355885510 2828063410 2828063400 5508411134 5508410734 4355773014 4355773019 4355876610 4355885510 2828083620 5508411934 5508411434 4355773014 4355773019 4355885510 4355876610 2828063400 5508411134 5508410734 AC INLET PA-9200RC JW-S11RKKR ROCKERS RED CON ASS'Y 2P MX-200 CON ASS'Y 2P(300MM) SOCKET TERMINAL (YEL-GRE/80MM) SOCKET TERMINAL(190M/M.BK) SOCKET TERMINAL(190M/M.WH) AC CORD KKP-210/KKS-16T (JIS) AC CORD UL 3 (INLET) AC CORD DOME 3-CORES AC CORD V+VII6A-250VHOVV-F3G AC POWER CORD 10A/250V UK AC CORD POWER FOR SAA CON ASS'Y 6P (510MM) CON ASS'Y 7P(RED/450MM) POWER TRANS 100V E-30IJ/31IJ POWER TRANS 115/230V E-30/31I FUSE 218T 20MM 200MA/250V UCSK FUSE 50T 20MM 100MA/250V S/V CON ASS'Y 6P (300MM) CON ASS'Y 6P (450MM) CON ASS'Y 7P(BLACK/360MM) CON ASS'Y 7P(RED/450MM) TRANS POWER E62 FUSE 218T 20MM 630MA/250V UCSK FUSE TS 20MM 315MA/250V U/C/S CON ASS'Y 6P (300MM) CON ASS'Y 6P (450MM) CON ASS'Y 7P(RED/450MM) CON ASS'Y 7P(BLACK/360MM) POWER TRANS 115/230V E-30/31I FUSE 218T 20MM 200MA/250V UCSK FUSE 50T 20MM 100MA/250V S/V AC INLET POWER SW ASS'Y 2P ASS'Y 2P GND INLET-250T INLET-250T 100V (J) 120V (E) 220V (DOM) 230V (R) 230V~240V (C) 240V (D) ASS'Y 6P ASS'Y 7P 100V 120V ~ 240V 100V ~ 120V 220V ~ 240V ASS'Y 6P ASS'Y 6P ASS'Y 7P ASS'Y 7P 100V ~ 240V 100V ~ 120V 220V ~ 240V ASS'Y 6P ASS'Y 6P ASS'Y 7P ASS'Y 7P 100V ~ 240V 100V ~ 120V 220V ~ 240V
Description
Value
ASS'Y
EQ-2131/2231/2215
EQ-2131
EQ-2231
EQ-2215
6
7
8
9
WIRING DIAGRAM
EQ-2131
10
11
EQ-2231
EQ-2215
12
13
BLOCK DIAGRAM
EQ-2131 EQ-2231
14
15
EQ-2215
16
SCHEMATIC DIAGRAM
EQ-2131
17
18
EQ-2231
19
20
EQ-2231
21
22
EQ-2215
23
24
EQ-2215
25
26
EXPLODED VIEW OF CABINET & CHASSIS / MECHANICAL PARTS LIST
EQ-2131
12
S4
14
11
10
8 S6
S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 NO SCREW 3BTC4X6B SCREW PM2x6Y SCREW BM 3X20B ASS'Y SCREW PM 4X8N SCREW #2BTC 3X8B SCREW BM3x6NI SCREW #3BTC3x6B SCREW PM2x3Y SCREW FM2x8B SCREW FM3x8B PART NAME SW PUSH SHEET INSULATION FOOT INOUT PCB SCREW SUPPORT AC INPUT PCB POWER PCB SHT PCB FRONT PCB AC CORD DOME3-CORES POWER TRANS AC INLET BOTTON SUPPORT POWER SWITCH XLR JACK (F) SLIDE V/R JACK BKT PHONE JACK XLR JACK (M) LED LIMITER (2DOT) TOP COVER LED LIMITER HOLDER BRACKET BOTTON SUPPORT KNOB PUSH CHASSIS MAIN CHASSIS FRONT PANEL FRONT PARTS NAME 810934 0063 801912 0061 800913 0203 809599 4710 810923 0083 800913 0063 810933 0063 801912 0031 802912 0083 802913 0083 PART NUMBER 4 2 2 1 14 12 14 46 2 4 Q'TY
25
21 S5 S4 S5
17 19
S5 22
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NO 462898 0110 8 1 670599 3110 4 056335999520 1 400348 2610 2 653899 5510 1 400348 2620 400348 2600 1 400348 2700 1 400348 2500 1 430899 7310 1 1 282806 3400 444899 7310 1 653899 7610 4 464809 7810 1 1 440819 3610 323807 9200 32 650595 9710 2 443809 7310 2 440819 4210 1 854598 5510 8 612369 4820 1 2 854599 3690 650595 3310 3 653899 9908 2 8 854398 2210 612167 3820 1 612228 8510 1 860296 2510 1 PARTS NUMBER Q'TY
S7 S4 S8
23
20
5
18
24
3
27
16 7 26
S10
S4
13
6
28 4 9
S3 S9 S2 1
2
15
S1
27
28
EQ-2231
S4
14 12 11 25
10
S6
8
S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 NO
SCREW 3BTC4X6B SCREW PM2x6Y SCREW 3BTC 4X8B ASS'Y SCREW PM 4X8N SCREW #2BTC 3X8B SCREW BM3x6NI SCREW #3BTC3x6B SCREW PM2x3Y SCREW FM2x8B SCREW FM3x8B PART NAME SW PUSH SHEET INSULATION FOOT INOUT PCB SCREW SUPPORT AC INPUT PCB POWER PCB SHT PCB FRONT PCB AC CORD DOME3-CORES POWER TRANS AC INLET BOTTON SUPPORT POWER SWITCH XLR JACK (F) SLIDE V/R JACK BKT PHONE JACK XLR JACK (M) LED LIMITER (2DOT) TOP COVER LED LIMITER HOLDER BRACKET BOTTON SUPPORT KNOB PUSH CHASSIS MAIN CHASSIS FRONT PANEL FRONT PARTS NAME
810934 0063 801912 0061 810934 0083 809599 4710 810923 0083 800913 0063 810933 0063 801912 0031 802912 0083 802913 0083 PART NUMBER
4 2 4 1 14 12 14 46 2 4 Q'TY
21 S5 S4 S5
17 19
S5 22 S7
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NO 462898 0110 8 670599 3110 1 056335999520 4 400348 2610 1 653899 5510 4 400348 2620 1 400348 2600 1 400348 2700 1 400348 2500 1 430899 7310 1 282808 3620 1 444899 7310 1 653899 7610 4 464809 7810 1 2 440819 3610 323807 9300 64 650595 9710 2 443809 7310 2 2 440819 4210 854598 5510 8 612369 4820 1 854599 3690 2 650595 3310 3 653899 9908 4 8 854398 2210 612167 3810 1 612228 8610 1 860296 2710 1 PARTS NUMBER Q'TY
23
S4
20
5
18
S8
24
3
27
16 26
S10
S4
7
13
6
28 4 9 2 S9
S3 S2
1
15
S1
29
30
EQ-2215
S4
14 12 11 25
S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 NO SCREW 3BTC4X6B SCREW PM2x6Y SCREW BM 3X20B ASS'Y SCREW PM 4X8N SCREW #2BTC 3X8B SCREW BM3x6NI SCREW #3BTC3x6B SCREW PM2x3Y SCREW FM2x8B SCREW FM3x8B PART NAME 810934 0063 801912 0061 800913 0203 809599 4710 810923 0083 800913 0063 810933 0063 801912 0031 802912 0083 802913 0083 PART NUMBER 4 2 2 1 14 12 14 46 2 4 Q'TY
10
S6
8
21 S5 S4 S5
17 19
S5 22
28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NO SW PUSH SHEET INSULATION FOOT INOUT PCB SCREW SUPPORT AC INPUT PCB POWER PCB SHT PCB FRONT PCB AC CORD DOME3-CORES POWER TRANS AC INLET BOTTON SUPPORT POWER SWITCH XLR JACK (F) SLIDE V/R JACK BKT PHONE JACK XLR JACK (M) LED LIMITER (2DOT) TOP COVER LED LIMITER HOLDER BRACKET BOTTON SUPPORT KNOB PUSH CHASSIS MAIN CHASSIS FRONT PANEL FRONT PARTS NAME 462898 0110 8 670599 3110 1 056335999520 4 400348 2610 1 653899 5510 2 400348 2620 1 400348 2600 1 400348 2700 1 400348 2500 1 430899 7310 1 282806 3400 1 444899 7310 1 653899 7610 4 464809 7810 1 440819 3610 2 323807 9200 32 650595 9710 4 443809 7310 4 440819 4210 2 854598 5510 8 612369 4820 1 854599 3690 2 650595 3310 3 653899 9908 2 8 854398 2210 1 612167 3830 1 612228 8410 1 860296 2610 PARTS NUMBER Q'TY
S7 S4 S8
23
20
5
18
24
3
27
16 7 26
S10
S4
13
6
28 4 9
2 S3 S2 S9
1
15
S1
31
32
ASS'Y DRAWING
EQ-2131
7
8
~AC INPUT
230V, 50Hz 10W
CAUTION;TO REDUCE THE RISK OF ELECTRIC SHOCK, MODEL NO. EQ-2131
SINGLE 31-BAND GRAPHIC EQUALIZER CONSTANT Q
ASSEMBLED IN CHINA
OC03
DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
OUTPUTS
BALANCED 75 4dBu UNITY GAIN
INPUTS
BALANCED 10K, 4dBu UNITY GAIN
AVIS; RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR.
www.inter-m.com
S N
BALANCED 75 4dBu UNITY GAIN
BALANCED 10K, 4dBu
6
280
9
No. 1 2 3 4 5 6 7 8 Description
POWER SWITCH PUSH KNOB LED LIMITER VR SLIDE FRONT PANEL TOP COVER AC INLET JACK PHONE
Part No
4648097810 8543982210 8545993690 3238079200 048602962511 046123694823 4448997310 4438097310 046121673821
Q'ty
1 4 1 32 1 1 1 2 1 1 1 1 DOM C/R E D
Remark
9
MAIN CHASSIS
046121673822 046121673823 046121673824
5
4
3
2
1
33
88
34
EQ-2231
7
8
CAUTION;TO REDUCE THE RISK OF ELECTRIC SHOCK, AVIS; RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR.
DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
~AC INPUT
230V, 50Hz 10W
OC03
OUTPUTS
BALANCED 75 4dBu UNITY GAIN BALANCED 75 4dBu UNITY GAIN BALANCED 10K, 4dBu UNITY GAIN BALANCED 75 4dBu UNITY GAIN
INPUTS
BALANCED 10K, 4dBu UNITY GAIN BALANCED 10K, 4dBu BALANCED 10K, 4dBu
MODEL NO. EQ-2231
DUAL 31-BAND GRAPHIC EQUALIZER CONSTANT Q
ASSEMBLED IN CHINA
S N
www.inter-m.com
BALANCED 75 4dBu UNITY GAIN
CHANNEL B
CHANNEL A
CHANNEL B
CHANNEL A
6
280
9
No. 1 2 3 4 5 6 7 8 Description
POWER SWITCH PUSH KNOB LED LIMITER VR SLIDE FRONT PANEL TOP COVER AC INLET JACK PHONE
Part No
4648097810 8543982210 8545993690 3238079300 048602962711 046123694823 4448997310 4438097310 046121673811
Q'ty
1 8 2 64 1 1 1 4 1 1 1 1 DOM C/R E D
Remark
9
MAIN CHASSIS
046121673812 046121673813 046121673814
5
4
3
2
1
35
88
36
EQ-2215
7
8
CAUTION;TO REDUCE THE RISK OF ELECTRIC SHOCK, AVIS; RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR.
DO NOT REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
~AC INPUT
230V, 50Hz 10W
OC03
OUTPUTS
BALANCED 75 4dBu UNITY GAIN BALANCED 75 4dBu UNITY GAIN BALANCED 10K, 4dBu UNITY GAIN BALANCED 75 4dBu UNITY GAIN
INPUTS
BALANCED 10K, 4dBu UNITY GAIN BALANCED 10K, 4dBu BALANCED 10K, 4dBu
MODEL NO. EQ-2215
DUAL 15-BAND GRAPHIC EQUALIZER CONSTANT Q
ASSEMBLED IN CHINA
S N
www.inter-m.com
BALANCED 75 4dBu UNITY GAIN
CHANNEL B
CHANNEL A
CHANNEL B
CHANNEL A
6
280
9
No. 1 2 3 4 5 6 7 8 Description
POWER SWITCH PUSH KNOB LED LIMITER VR SLIDE FRONT PANEL TOP COVER AC INLET JACK PHONE
Part No
4648097810 8543982210 8545993690 3238079200 048602962611 046123694823 4448997310 4438097310 046121673831
Q'ty
1 8 2 32 1 1 1 4 1 1 1 1 DOM C/R E D
Remark
9
MAIN CHASSIS
046121673832 046121673833 046121673834
5
4
3 2
1
37
88
38
NOTE