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ITEM NO.QTY PART NO. DESCRIPTION VENDOR
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RMX 850 Replacement Parts
QSC part # Description Qty. Notes or Component Reference
Misc.
1806-2505-0 POWER TRANSFORMER 700 1
2113-1144-0 AC INLET 1
2444-1001-1 KNOB CONTROL 2
4134-8432-0 RACK-MOUNT BRACKET 2
5200-4717-0 ROCKER POWER SWITCH 1
5200-3532-0 CIRCUIT BREAKER 10A 1 For 120V models
5200-4730-0 CIRCUIT BREAKER 5A 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
153R-224K-5-Y1 CM 250V 0.22uF 10% RL 2 C127, C227
157Q-108M-5-X9E CE 35V 1000UF 20% RL 1 C6
3130-9270-0 IC 4N29 1 U2
4134-8851-0 FUSE HOLDER (DIA.6.3MM 4 REF: F100, F200
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
4719-121J-1-X RMF 2W 120R 5% AL METAL 1 R17
4840-1760-0 DIODE RECT 1A 200V DB103 1 BR1
4840-2150-0 BRIDGE RECTIFIER 400V 2 BR100, BR200
4860-2620-5 TR TIP31C SAMSUNG 1 Q3
5100-1030-3A FU T10A 125V/250V 2 F100, F200
5400-0831-0 HEATSINK 1 REF: Q3
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-223J-5-LQ CM 50V 0.022UF 5% RL 2 C116, C119
153F-332J-5-KW CM 50V 3300pF 5% RL 6x12 2 C117, C118
153R-683J-5-WWM CM 250V 0.068u 5% RL 1 C124
157F-476M-5-LU CE 50V 47uF 20% RL 1 C8
157R-475M-5-OV CE 250V 4.7u 20% RL 1 C7
1804-1030-0 SPRING COIL 2uH 1 L100
3700-4531-G LED 04mm GREEN W/STAND 1 LD1
4718-220J-2-P RMF 1W 22R 5% AT FP 2 R136, R137
4718-6R8J-1-X RMF 1W 6.8R 5% AL METAL 2 R146, R147
4719-153J-1-X RMF 2W 15K 5% AL METAL 2 R2, R5
4719-5R6J-1-X RMF 2W 5.6R 5% AL METAL 1 R160
QSC Audio Products, Inc. Technical Services Group 1
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QSC part # Description Qty. Notes or Component Reference
471A-022K-5-N RMF 3W 0.22R 10% RL RGC3 6 R142, R148, R149, R152, R153, R159
471B-120J-1-X RMF 5W 12R 5% AL METAL 2 R161, R162
471B-202J-1-X RMF 5W 2K 5% AL METAL 2 R133, R135
471B-821J-1-X RMF 5W 820R 5% AL METAL 2 R157, R158
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 5 D1, D11, D12, D117, D118
4804-9340-2 DIODE IN4934 AT 2 D108, D109
4837-5B10-2 DZ 1/2W 5.5-5.8V AT 2 D107, D110
4838-15V6-2 DZ 1W 15V AT TEMIC 2 D8, D15
4860-5020-5 TR MJE15032 1 Q105
4860-5030-5 TR MJE15033 1 Q106
4860-5050-5 TR 2SC5200 T0-3P (L) 3 Q108, Q110, Q112
4860-5060-5 TR 2SA1943 T0-3P (L) 3 Q103, Q107, Q109
4860-8890-0 TR MPS A06 VCE 80V NS 1 Q5
8910-0062-0 CE 80V 4700U 20% RL 25X 2 C120, C121
8910-0274-0 THERMAL PTC 60C 100 ohm 1 R7
8910-0488-0 ROD THERMISTOR NTC 50ohm 1 R134
Channel 1 SMT parts
150F-222K-6-CF CC 50V 2200pF 10% 1206 1 1 C115
150H-102J-6-CF CC 100V 0.001U 5% 1206 1 C114
4720-103J-J RMG 1/10W 10K 5% 0805 1 R128
4720-152J-J RMG 1/10W 1.5K 5% 0805 1 R129
4720-202J-J RMG 1/10W 2K 5% 0805 1 R8
4720-224J-J RMG 1/10W 220K 5% 0805 1 R26
4720-470J-J RMG 1/10W 47R 5% 0805 2 R25, R124
4721-105J-6 RMG 1/8W 1M 5% 1206 2 R3, R6
4721-154J-6 RMG 1/8W 150K 5% 1206 1 R10
4721-224J-6 RMG 1/8W 220K 5% 1206 2 R18, R27
4721-473J-6 RMG 1/8W 47K 5% 1206 1 R125
4721-474J-6 RMG 1/8W 470K 5% 1206 1 R15
4721-682J-6 RMG 1/8W 6.8K 5% 1206 1 R19
4721-821J-6 RMG 1/8W 820R 5% 1206 2 R130, R132
4804-1480-3 DIODE LL4148 SM 15 D2–D7, D9, D14, D104, D111–D116
4853-9060-3 TR 3906 PNP SM 3 Q4, Q6, Q7
4860-0640-3 TR 3904 HFE 100-300 SM 4 Q8, Q9, Q101, Q102
4860-5110-3 TR KST42 1 Q1
Channel 2 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 C216, C219
153F-224J-5-NLM CM 50V 0.22UF 5% RL 2 C107, C207
153F-332J-5-KW CM 50V 3300pF 5% RL 6x12 2 C217, C218
153R-683J-5-WWM CM 250V 0.068u 5% RL 1 C224
157E-107M-5-KW CE 25V 100uF 20% RL 6x12 2 C105, C205
157E-227M-5-PU CE 25V 220uF 20% RL 4 C112, C113, C212, C213
157F-106M-5-LUN CE 50V 10¦F 20% RL 2 C106, C206
1804-1030-0 SPRING COIL 2uH 1 L200
2101-1991-0 8 PIN IC SOCKET DIP 2 REF: U101, U201
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
471A-022K-5-N RMF 3W 0.22R 10% RL RGC3 6 R242, R248, R249, R252, R253, R259
471B-120J-1-X RMF 5W 12R 5% AL METAL 2 R261, R262
2 RMX 850 replacement parts list
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QSC part # Description Qty. Notes or Component Reference
471B-202J-1-X RMF 5W 2K 5% AL METAL 2 R233, R235
471B-821J-1-X RMF 5W 820R 5% AL METAL 2 R257, R258
4717-103A-2 RMF 1/2W 10K 1% AT 2 R122, R222
4717-9091-2 RMF 1/2W 9.09K 1% AT 1 R123
4718-220J-2-P RMF 1W 22R 5% AT FP 2 R236, R237
4750-6200-0 VR V012CPH, D-SHAFT 10K 2 R112, R212
4756-1016-3-06 SVR H6 100R RH0615C 1 R231
4756-2226-3-06 SVR 2.2K H3 7X7.6 R0615C 2 R239, R240
4718-6R8J-1-X RMF 1W 6.8R 5% AL METAL 3 R20, R246, R247
4719-5R6J-1-X RMF 2W 5.6R 5% AL METAL 1 R260
4804-0040-1 DIODE IN4004 AL 4 D10, D13, D217, D218
4804-9340-2 DIODE IN4934 AT 2 D208, D209
4837-5B10-2 DZ 1/2W 5.5-5.8V AT 2 D207, D210
4838-15V6-2 DZ 1W 15V AT TEMIC 4 D100, D101, D200, D201
4860-5020-5 TR MJE15032 1 Q205
4860-5030-5 TR MJE15033 1 Q206
4860-5050-5 TR 2SC5200 T0-3P (L) 3 Q208, Q210, Q212
4860-5060-5 TR 2SA1943 T0-3P (L) 3 Q203, Q207, Q209
8910-0062-0 CE 80V 4700U 20% RL 25X 2 C220, C221
8910-0274-0 THERMAL PTC 60C 100 ohm 1 R4
8910-0488-0 ROD THERMISTOR NTC 50ohm 1 R234
SMT parts
150F-104K-6-CF CER2 1206 X7R 50V 100N 3 C100, C102, C104
150F-181K-J-BD CC 50V 180P 10% 0805 4 C101, C103, C201, C203
150F-222K-6-CF CC 50V 2200pF 10% 1206 1 1 C215
150F-560K-J-BD CC 50V 56pF 10% 0805 1.2 2 C110, C210
150H-102J-6-CF CC 100V 0.001µF 5% 1206 1 C214
15CG-560J-6-CF CTC 0/30 56P 5% 1206 2 C111, C211
3131-9730-0 IC NE5517D 1 U10
4720-101J-J RMG 1/10W 100R 5% 0805 6 R109, R110, R127, R209, R211, 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, R203, R228
4720-152J-J RMG 1/10W 1.5K 5% 0805 1 R229
4720-203A-J RMG 1/10W 20K 1% 0805 4 R117, R121, R217, R221
4720-271J-J RMG 1/10W 270R 5% 0805 6 R111, R113, R120, R210, R213, R220
4720-332J-J RMG 1/10W 3.3K 5% 0805 1 R24
4720-393J-J RMG 1/10W 39K 5% 0805 2 R107, R207
4720-470J-J RMG 1/10W 47R 5% 0805 1 R224
4720-472J-J RMG 1/10W 4.7K 5% 0805 2 R114, R214
4720-752J-J RMG 1/10W 7.5K 5% 0805 2 R108, R208
4721-154A-6 RMG 1/8W 150K 1% 1206 4 R118, R119, R218, R219
4721-154J-6 RMG 1/8W 150K 5% 1206 2 R104, R204
4721-333J-6 RMG 1/8W 33K 5% 1206 2 R22, R23
4721-394J-6 RMG 1/8W 390K 5% 1206 2 R116, R216
4721-473J-6 RMG 1/8W 47K 5% 1206 1 R225
4721-821J-6 RMG 1/8W 820R 5% 1206 4 R115, R215, R230, R232
4804-1480-3 DIODE LL4148 SM 15 D102, D103, D105, D106, D202–D206, D211–D216
4853-9060-3 TR 3906 PNP SM 2 Q100, Q200
4860-0640-3 TR 3904 HFE 100-300 SM 2 Q201, Q202
QSC Audio Products, Inc. Technical Services Group 3
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QSC part # Description Qty. Notes or Component Reference
Input board
150F-471J-5-OF CC 50V 470pF 5% RL 8x3.5 4 C1–C4
7010-9860-0 26 PIN IEC RIBBON CABLE 1 J1
2113-1337-1 XLR FEMALE CONN. 2 J101, J201
2113-1652-0 PHONE JACK 06.4 2 J102, J202
2113-1335-0 5 POLE SPEAKER TERMINAL 1 J5
5200-4713-0 10 POLE DIP SWITCH 1 SW1
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
4 RMX 850 replacement parts list
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