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ITEM NO.QTY PART NO. DESCRIPTION VENDOR
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RMX 2450 Replacement Parts
QSC part # Description Qty. Notes or Component Reference
Misc.
1806-2507-0 POWER TRANSFORMER, 1800 1
2113-1144-0 AC INLET 1
4134-9101-0 METAL WIND GUIDE 1
4154-0361-0 FAN GUIDE 1
5200-4717-0 ROCKER POWER SWITCH 1
5200-3531-0 CIRCUIT BREAKER 15A 1 For 120V models
5200-4731-0 CIRCUIT BREAKER 8A 1 For 230V models
7010-9640-0 AC CORD SET 15A 1 For 120V models
7009-8620-0 POWER CORD SET CE 1 For 230V models
8900-9050-1 DC FAN 24V 80X80 (+5V) 1
AC Board
4701-202J-C RCF 1/8W 2K 5% ATS 1 R13
4701-474J-C RCF 1/8W 470K 5% ATS 1 R12
4701-682J-C RCF 1/8W 6.8K 5% ATS 2 R9, R14
153R-224K-5-Y1 CM 250V 0.22uF 10% RL 4 C127, C128, C227, C228
153T-473K-5-WS CM 400V 0.047UF 10% RL 1 C10
157Q-108M-5-X9E CE 35V 1000UF 20% RL 1 C6
3130-9270-0 IC 4N29 1 U2
4719-121J-1-X RMF 2W 120R 5% AL METAL 1 R17
471B-120J-1-X RMF 5W 12R 5% AL METAL 2 R28, R29
4840-1760-0 DIODE RECT 1A 200V DB103 1 BR1
4840-2150-0 BRIDGE RECTIFIER 400V 4 BR100, BR101, BR200, BR201
4860-2620-5 TR TIP31C SAMSUNG 1 Q3
5400-0831-0 HEATSINK 1 REF: Q3
5400-1831-1 HEATSINK FOR RECTIFIER 4 REF: BR100, BR101, BR200, BR201
8910-0273-0 POLYSWITCH 0.15 ohm 1.1A 1 R1
8910-0275-0 THERMAL NTC 30A 1 ohm 1 R21
Channel 1 module
153F-154J-5-NLM CM 50V 0.15UF 5% RL 4 C108, C109, C208, C209
153F-223J-5-LQ CM 50V 0.022UF 5% RL 2 C116, C119
153F-224J-5-NLM CM 50V 0.22UF 5% RL 2 C107, C207
153F-332J-5-KW CM 50V 3300pF 5% RL 6x12 2 C172, C179
153H-102J-5-IQ CM 100V 0.001U 5% RL 5X 2 C131, C231
153R-104J-5-YRM CM 250V 0.1u 5% RL 2 C174, C175
153R-152J-5-XQ CM 250V 0.0015UF 5% RL 1 C114
153R-683J-5-WWM CM 250V 0.068u 5% RL 2 C124, C126
157D-107M-5-OUN CE 16V 100UF 20% RL 8X11 2 C125, C225
QSC Audio Products, Inc. Technical Services Group 1
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QSC part # Description Qty. Notes or Component Reference
157D-476M-5-LUN CE 16V 47u 20% RL 6.5X11 2 C106, C206
157E-107M-5-KW CE 25V 100uF 20% RL 6x12 4 C105, C173, C180, C205
157E-226M-5-IUN CE 25V 22uF 20% RL 5X11 1 C129
157E-227M-5-PU CE 25V 220uF 20% RL 4 C112, C113, C212, C213
157Q-106M-5-IU CE 35V 10uF 20% RL 5x11 1 C171
1804-1040-0 SPRING COIL 2uH (14gaWIRE) 1 L100
2101-1991-0 8 PIN IC SOCKET DIP 2 REF: U101, U201
2101-2081-0 26 PIN DUAL ROW IEC 1 J103
2102-130S-003 13 PIN WAFER P2.0 ST. 1 J104
3130-2430-0 IC-NE5532 OPER. AMP PHIL 2 U101, U201
3700-4529-R LED 04mm RED W/STAND 2 LD100, LD200
3700-4530-Y LED 04mm YELLOW W/STAND 2 LD101, LD201
4134-8851-0 FUSE HOLDER (DIA.6.3MM 2 F100
4715-100J-2 RMF 1/4W 10R 5% AT 1 R163
4715-101J-2 RMF 1/4W 100R 5% AT 1 R164
4717-2322-2 RMF 1/2W 23.2K 1% AT 3 R122, R123, R222
4718-123J-2-X RMF 1W 12K 5% AT METAL 2 R177, R194
4718-153J-2-X RMF 1W 15K 5% AT METAL 1 R165
4718-220J-2-P RMF 1W 22R 5% AT FP 2 R136, R137
4718-3R3J-1-X RMF 1W 3.3R 5% AL 3 R146, R147, R20
4719-1R5J-1-X RMF 2W 1R5 5% AL METAL 2 R181, R182
4719-5R6J-1-X RMF 2W 5.6R 5% AL METAL 1 R160
471A-022K-5-N RMF 3W 0.22R 10% RL RGC3 8 R142, R143, R148, R149, R152, R153, R156, R159
471B-120J-1-X RMF 5W 12R 5% AL METAL 4 R154, R155, R161, R162
471B-222J-1-X RMF 5W 2.2K 5% AL METAL 3 R157, R158, R198
471B-512J-1-X RMF 5W 5.1K 5% AL METAL 2 R180, R188
471B-822J-1-X RMF 5W 8.2K 5% AL METAL 4 R118, R119, R133, R135
4750-6200-0 VR V012CPH, D-SHAFT 10K 2 R112, R212
4756-1016-3-06 SVR H6 100R RH0615C 1 R131
4756-2226-3-06 SVR 2.2K H3 7X7.6 R0615C 2 R139, R140
4804-0040-1 DIODE IN4004 AL 4 D10, D12, D117, D118
4804-9340-2 DIODE IN4934 AT 2 D108, D109
4837-3B20-2 DZ 1/2W 3.8-4.0V AT 1 D170
4837-5B10-2 DZ 1/2W 5.5-5.8V AT 2 D107, D110
4838-10V6-2 DZ 1.3W 10V AT TEMIC 1 D174
4838-12V6-2 DZ 1W 12V AT TEMIC 1 D178
4838-15V6-2 DZ 1W 15V AT TEMIC 4 D100, D101, D200, D201
4840-2190-0 DIODE MUR1520 15A 200V 2 D175, D176
4860-5020-5 TR MJE15032 1 Q105
4860-5030-5 TR MJE15033 1 Q106
4860-5050-5 TR 2SC5200 T0-3P (L) 4 Q104, Q108, Q110, Q112
4860-5060-5 TR 2SA1943 T0-3P (L) 4 Q103, Q107, Q109, Q111
4860-5250-5 TR 2N5064 TRIODE 2 D119, D120
490F-Z440-5 FET IRFZ44 TO-220 60V 2 Q170, Q174
5120-0501-0 FUSE T25A/125V 6.4X32MM 1 F100
8910-0274-0 THERMAL PTC 60C 100 ohm 1 R4
8910-0482-0 TRIAC 600V 40A MAC224A8 1 Q113
8910-0488-0 ROD THERMISTOR NTC 50ohm 1 R134
8910-0494-0 CE 63V 12000uF 20% RL 4 C120–C123
SMT parts
150F-101J-J-BD CC 50V 100pF 5% 0805 1.2 1 C130
150F-101K-J-BD CC 50V 100P 10% 0805 1 C132
150F-103M-J-BD CC 50V 0.01uF 20% 0805 1 1 C181
150F-104M-6-CF CC 50V 0.1uF 20% 1206 1. 2 C104, C178
150F-181K-J-BD CC 50V 180P 10% 0805 4 C101, C103, C201, C203
2 RMX 2450 replacement parts list
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QSC part # Description Qty. Notes or Component Reference
150F-222K-6-CF CC 50V 2200pF 10% 1206 1 1 C115
150F-470J-J-BD CC 50V 47pF 5% 0805 1.2x 5 C110, C170, C176, C177, C210
15CG-270J-6-CF CTC 0/30 27P 5% 1206 2 C111, C211
3130-9240-0 IC LM311M VOLTAGE 2 U170, U171
3131-9730-0 IC NE5517D 1 U10
4720-101J-J RMG 1/10W 100R 5% 0805 6 R109, R110, R127, R209, R210, R227
4720-102J-J RMG 1/10W 1K 5% 0805 3 R102, R126, R202
4720-103A-J RMG 1/10W 10K 1% 0805 8 R100, R101, R105, R106, R200, R201, R205, R206
4720-103J-J RMG 1/10W 10K 5% 0805 3 R103, R128, R203
4720-123J-J RMG 1/10W 12K 5% 0805 1 R176
4720-152J-J RMG 1/10W 1.5K 5% 0805 1 R129
4720-202J-J RMG 1/10W 2K 5% 0805 2 R190, R195
4720-222J-J RMG 1/10W 2.2K 5% 0805 1 R191
4720-243J-J RMG 1/10W 24K 5% 0805 4 R117, R121, R217, R221
4720-271J-J RMG 1/10W 270R 5% 0805 4 R113, R196, R213, R296
4720-3011-J RMG 1/10W 3.01K 1% 0805 2 R24, R175
4720-391J-J RMG 1/10W 390R 5% 0805 2 R120, R220
4720-393J-J RMG 1/10W 39K 5% 0805 2 R107, R207
4720-470J-J RMG 1/10W 47R 5% 0805 2 R170, R189
4720-472J-J RMG 1/10W 4.7K 5% 0805 8 R114, R138, R174, R179, R187, R193, R214, R238
4720-473J-J RMG 1/10W 47K 5% 0805 1 R183
4720-474J-J RMG 1/10W 470K 5% 0805 2 R172, R185
4720-592A-J RMG 1/10W 5.9K 1% 0805 2 R171, R184
4720-750J-J RMG 1/10W 75R 5% 0805 1 R124
4720-752J-J RMG 1/10W 7.5K 5% 0805 2 R108, R208
4720-821J-J RMG 1/10W 820R 5% 0805 2 R111, R211
4721-101J-6 RMG 1/8W 100R 5% 1206 1 R197
4721-154J-6 RMG 1/8W 150K 5% 1206 6 R104, R173, R178, R186, R192, R204
4721-4643-6 RMG 1/8W 464K 1% 1206 3 R166, R167, R266
4721-473J-6 RMG 1/8W 47K 5% 1206 1 R125
4721-683A-6 RMG 1/8W 68K 1% 1206 4 R22A, R22B, R23A, R23B
4721-821J-6 RMG 1/8W 820R 5% 1206 4 R115, R130, R132, R215
4721-824J-6 RMG 1/8W 820K 5% 1206 2 R116, R216
4804-1480-3 DIODE LL4148 SM 18 D102–D106, D111–D116, D171, D173, D177, D202, D203,
D205, D206
4853-9060-3 TR 3906 PNP SM 4 Q100, Q172, Q175, Q200
4860-0640-3 TR 3904 HFE 100-300 SM 4 Q101, Q102, Q171, Q173
Channel 2 module
153F-223J-5-LQ CM 50V 0.022UF 5% RL 2 C216, C219
153F-332J-5-KW CM 50V 3300pF 5% RL 6x12 2 C272, C279
153R-104J-5-YRM CM 250V 0.1u 5% RL 2 C274, C275
153R-152J-5-XQ CM 250V 0.0015UF 5% RL 1 C214
153R-683J-5-WWM CM 250V 0.068u 5% RL 2 C224, C226
157E-107M-5-KW CE 25V 100uF 20% RL 6x12 2 C273, C280
157E-226M-5-IUN CE 25V 22uF 20% RL 5X11 1 C229
157F-476M-5-LU CE 50V 47uF 20% RL 1 C8
157Q-106M-5-IU CE 35V 10uF 20% RL 5x11 1 C271
157R-475M-5-OV CE 250V 4.7u 20% RL 1 C7
1804-1040-0 SPRNG COIL 2uH(14gaWIRE) 1 L200
2102-031S-004 3 PIN ST. WAFER 1 J257
2102-130S-003 13 PIN WAFER P2.0 ST. 1 J204
3700-4531-G LED 04mm GREEN W/STAND 1 LD1
4134-8851-0 FUSE HOLDER (DIA.6.3MM 2 REF: F200
4715-100J-2 RMF 1/4W 10R 5% AT 1 R263
QSC Audio Products, Inc. Technical Services Group 3
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QSC part # Description Qty. Notes or Component Reference
4715-101J-2 RMF 1/4W 100R 5% AT 1 R264
4718-123J-2-X RMF 1W 12K 5% AT METAL 2 R277, R294
4718-153J-2-X RMF 1W 15K 5% AT METAL 1 R265
4718-220J-2-P RMF 1W 22R 5% AT FP 2 R236, R237
4718-3R3J-1-X RMF 1W 3.3R 5% AL 2 R246, R247
4719-1R5J-1-X RMF 2W 1R5 5% AL METAL 2 R281, R282
4719-333J-2-X RMF 2W 33K 5% AT METAL 2 R2, R5
4719-5R6J-1-X RMF 2W 5.6R 5% AL METAL 1 R260
471A-022K-5-N RMF 3W 0.22R 10% RL RGC3 8 R242, R243, R248, R249, R252, R253, R256, R259
471B-120J-1-X RMF 5W 12R 5% AL METAL 4 R254, R255, R261, R262
471B-222J-1-X RMF 5W 2.2K 5% AL METAL 3 R257, R258, R298
471B-512J-1-X RMF 5W 5.1K 5% AL METAL 2 R280, R288
471B-822J-1-X RMF 5W 8.2K 5% AL METAL 4 R218, R219, R233, R235
4756-1016-3-06 SVR H6 100R RH0615C 1 R231
4756-2226-3-06 SVR 2.2K H3 7X7.6 R0615C 2 R239, R240
4804-0040-1 DIODE IN4004 AL 5 D1, D11, D13, D217, D218
4804-9340-2 DIODE IN4934 AT 2 D208, D209
4837-3B20-2 DZ 1/2W 3.8-4.0V AT 1 D270
4837-5B10-2 DZ 1/2W 5.5-5.8V AT 2 D207, D210
4838-10V6-2 DZ 1.3W 10V AT TEMIC 1 D274
4838-12V6-2 DZ 1W 12V AT TEMIC 1 D278
4838-15V6-2 DZ 1W 15V AT TEMIC 2 D8, D15
4840-2190-0 DIODE MUR1520 15A 200V 2 D275, D276
4860-5020-5 TR MJE15032 1 Q205
4860-5030-5 TR MJE15033 1 Q206
4860-5050-5 TR 2SC5200 T0-3P (L) 4 Q204, Q208, Q210, Q212
4860-5060-5 TR 2SA1943 T0-3P (L) 4 Q203, Q207, Q209, Q211
4860-5250-5 TR 2N5064 TRIODE 2 D219, D220
4860-8890-0 TR MPS A06 VCE 80V NS 1 Q5
490F-Z440-5 FET IRFZ44 TO-220 60V 2 Q270, Q274
5120-0501-0 FUSE T25A/125V 6.4X32MM 1 F200
8910-0274-0 THERMAL PTC 60C 100 ohm 1 R7
8910-0482-0 TRIAC 600V 40A MAC224A8 1 Q213
8910-0488-0 ROD THERMISTOR NTC 50ohm 1 R234
8910-0494-0 CE 63V 12000uF 20% RL 4 C220–C223
SMT Parts
150F-101K-J-BD CC 50V 100P 10% 0805 1 C9
150F-103M-J-BD CC 50V 0.01uF 20% 0805 1 1 C281
150F-104M-6-CF CC 50V 0.1uF 20% 1206 1. 1 C278
150F-104M-J-BD CC 50V 0.1uF 20% 0805 1. 1 C11
150F-222K-6-CF CC 50V 2200pF 10% 1206 1 1 C215
150F-470J-J-BD CC 50V 47pF 5% 0805 1.2x 3 C270, C276, C277
3130-9240-0 IC LM311M VOLTAGE 2 U270, U271
4720-103J-J RMG 1/10W 10K 5% 0805 1 R228
4720-123J-J RMG 1/10W 12K 5% 0805 1 R276
4720-152J-J RMG 1/10W 1.5K 5% 0805 1 R229
4720-202J-J RMG 1/10W 2K 5% 0805 3 R8, R290, R295
4720-222J-J RMG 1/10W 2.2K 5% 0805 1 R291
4720-3011-J RMG 1/10W 3.01K 1% 0805 1 R275
4720-470J-J RMG 1/10W 47R 5% 0805 3 R25, R270, R289
4720-472J-J RMG 1/10W 4.7K 5% 0805 4 R274, R279, R287, R293
4720-473J-J RMG 1/10W 47K 5% 0805 1 R283
4720-474J-J RMG 1/10W 470K 5% 0805 2 R272, R285
4720-592A-J RMG 1/10W 5.9K 1% 0805 2 R271, R284
4 RMX 2450 replacement parts list
Page 9
QSC part # Description Qty. Notes or Component Reference
4720-750J-J RMG 1/10W 75R 5% 0805 1 R224
4721-101J-6 RMG 1/8W 100R 5% 1206 1 R30
4721-105J-6 RMG 1/8W 1M 5% 1206 2 R3, R6
4721-154J-6 RMG 1/8W 150K 5% 1206 5 R10, R273, R278, R286, R292
4721-224J-6 RMG 1/8W 220K 5% 1206 2 R18, R26
4721-334J-6 RMG 1/8W 330K 5% 1206 1 R27
4721-4643-6 RMG 1/8W 464K 1% 1206 1 R15
4721-473J-6 RMG 1/8W 47K 5% 1206 1 R225
4721-682J-6 RMG 1/8W 6.8K 5% 1206 1 R19
4721-821J-6 RMG 1/8W 820R 5% 1206 2 R230, R232
4804-1480-3 DIODE LL4148 SM 18 D2–D7, D9, D14, D204, D211–D216, D271, D273, D277
4853-9060-3 TR 3906 PNP SM 5 Q4, Q6, Q7, Q272, Q275
4860-0640-3 TR 3904 HFE 100-300 SM 6 Q8, Q9, Q201, Q202, Q271, Q273
4860-5110-3 TR KST42 1 Q1
Input Board
150F-471J-5-OF CC 50V 470pF 5% RL 8x3.5 4 C1, C2, C3, C4
2113-1337-1 XLR FEMALE CONN. 2 J101, J201
2113-1652-0 PHONE JACK 1/4" 6.4 mm 2 J102, J202
5200-4713-0 10 POLE DIP SWITCH 1 SW1
7010-9860-0 26 PIN IEC RIBBON CABLE 1 J1
Output Board
2113-1336-1 SPEAKON NEUTRIK 4 WIRE 2 J100, J200
2113-1338-0 4-POLE SPEAKER TERMINAL 1 J103
4154-2111-0 OUTPUT POST PLUG FOR CE 2 For European models only
4154-2121-0 OUTPUT POST PLUG FOR CE 2 For European models only
QSC Audio Products, Inc. Technical Services Group 5
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6 RMX 2450 replacement parts list
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