QSC CX SERIES Technical & Service Manual
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QSC CX SERIES Technical & Service Manual

Cx 8-channel power amplifiers
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See also: Owner's Manual , User Manual
CX Series
CX 8-Channel Power Amplifiers
T E C H N I C A L S E R V I C E M A N U A L
Technical Service Manual
CX 168
Rev. A
CX 108V
*TD-000168-00*

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Summary of Contents for QSC CX SERIES

  • Page 1 CX Series CX 8-Channel Power Amplifiers T E C H N I C A L S E R V I C E M A N U A L Technical Service Manual CX 168 Rev. A CX 108V *TD-000168-00*...

  • Page 2: Service Manual

    8-Channel Power Amplifiers SERVICE MANUAL IMPORTANT NOTICE: THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION, WHICH IS THE PROPERTY OF QSC AUDIO PRODUCTS, THAT MAY NOT BE DISCLOSED, REPRODUCED OR USED WITHOUT EXPRESS OR WRITTEN CONSENT FROM QSC AUDIO PRODUCTS. QSC Audio Products Inc.
  • Page 3 CX 168 CX 108V...
  • Page 4 Table of Contents Product Specifications Parts Listings CX 168 Pack Out Assemblies CX 168 Chassis Assemblies CX 168 PCB Assemblies CX 108V Pack Out Assemblies CX 108V Chassis Assemblies CX 108V PCB Assemblies Semiconductors Chassis Drawings Schematics CX 168 Schematics CX 108V Schematics Main PCB Assembly Layout...
  • Page 5 CX 168 / CX 108V SPECIFICATIONS...

  • Page 6: Replacement Parts

    CX 168 / CX 108V Replacement Parts CX168 PACKOUT ASSEMBLY CATALOG KIT ASSEMBLY Part Number Description Reference Part Number Description Reference CH-000122-00 COVER, BOTTOM, DCA3022 TD-000002-00 EXTENDED SERVICE, LB-000209-00 AGENCY, CERTIFICATION, REGISTRATION CLASS B, FCC TD-000134-00 ACCESSORY OFFER SHEET LB-000437-00 LABEL, WARNING, RAIN &...
  • Page 7 CX 168 / CX 108V Replacement Parts CX168 CHASSIS ASSEMBLY CX168 CHASSIS ASSEMBLY Part Number Description Reference Part Number Description Reference CH-000112-00 SHIELD, LINE FILTER, PLX3002 SC-060042-PP PHILLIPS, PANHEAD SEMS CH-000118-00 RACK EAR, FRONT, CX902 INTERNAL TOOTH, #6-32, CH-000159-00 CHASSIS, MAIN, , CX168 0.25"...
  • Page 8 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference CA-010002-30 10PF, 5 PCNT, 50V C123, C131, C328, C329, CERAMIC NPO, 0805 C523, C531, C332, C333, C723, C731, C334, C527, C331, C323 C528, C529, CA-047002-30 47PF, 5 PCNT, 50V,...
  • Page 9 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference C63, C7, ELECTROLYTIC C147, C151, C757, C758, C19, C24, C55, C58 C326, C347, CA-410007-30 0.1UF, 20 PCNT, 50V, C104, C106, C351, C525, CERAMIC Z5U, 1206 C112, C155,...
  • Page 10 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference ELECTROLYTIC C143, C144, HW-000001-FC FUSE CLIP, PC MOUNT,TIN C335, C336, PLATED BRASS, 3AG C343, C535, IC-000024-00 CONTROLLER, PWM, C536, C543, SG3525AN C544, C736, IC-000046-30...
  • Page 11 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference PA-000055-00 LED ASSY, LD101,LD301, D545, D546, RED-GREEN-YELLOW, LD501,LD701 D548, D549, RIGHT ANGLE SPACER D742, D743, PA-000056-00 LED ASSY, GREEN, D744, D746, RIGHT ANGLE SPACER D747, D748,...
  • Page 12 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference D716, D717, Q540, Q541, D718, D719, Q543, Q6, D722, D723, Q705, Q706, D724, D725, Q708, Q712, D750, D8, Q713, Q721, D115, D15, Q725, Q728, D319, D515,...
  • Page 13 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference Q707, Q709, 40W, TIP32C, TO-220 Q711, Q714, QD-000157-10 DIODE, 1000V, 1.5A, 1N5399, D109, D112, Q720, Q722, DO-15 D113, D308, Q732, Q737, D309, D313, Q738, Q739,...
  • Page 14 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R794, R797, R589, R590, R800, R801, R592, R593, R825, R829, R595, R612, R201, R594, R614, R617, R826, R194, R623, R624, R430, R830 R63, R64, RE-.27001-10 2.7,5 PCNT, 2W, METAL...
  • Page 15 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R486, R487, R869, R711 R508, R632, RE-063402-30 634, 1 PCNT, 1/8W, THICK R154, R159, R680, R681, FILM, 1206, 200V R162, R353, R684, R686, R354, R359,...
  • Page 16 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R534, R538, R851, R253 R660, R734, RE-126700-30 2.67K, 1 PCNT, 1/10W, THICK R275, R475, R738, R860, FILM, 0805, 100V R875, R675 R138, R460, RE-130102-30 3.01K, 1 PCNT, 1/10W, THICK R157, R185,...
  • Page 17 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R304, R330, R808 R332, R352, RE-210009-30 10.0K, 0.1 PCNT, 1/10W, R118, R119, R467, R479, THICK FILM, 0805, 100V R120, R121, R530, R552, R320, R321, R667, R679,...
  • Page 18 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R57, R575, THICK FILM, 1206, 200V R45, R37 R577, R579, RE-375005-BM 750K, 5 PCNT, 1/2W, R47, R49 R58, R604, METAL FILM, R605, R775, SC-063100-PP PHILLIPS, PANHEAD, #6,...
  • Page 19 CX 168 / CX 108V Replacement Parts CX168 PCB ASSEMBLY CX168 PCB ASSEMBLY Part Number Description Reference Part Number Description Reference L105, L106, PLC, 2.5 METERS, 250VAC L303, L304, WP-000168-02 CHASSIS ASSY, CX168, 230V L306, L503, WP-000169-02 PCB ASSY, CX168, 230V L504, L505, LB-000099-01 AGENCY, LISTING, CE L506, L703,...
  • Page 20 CX 168 / CX 108V Replacement Parts CX108V PACKOUT ASSEMBLY CATALOG KIT ASSEMBLY Part Number Description Reference Part Number Description Reference CH-000122-00 COVER, BOTTOM, DCA3022 TD-000134-00 ACCESSORY OFFER SHEET LB-000209-00 AGENCY, CERTIFICATION, NEW LOGO CLASS B, FCC TD-000135-00 AUDIOWEAR CATALOG LB-000437-00 LABEL, WARNING, RAIN &...
  • Page 21 CX 168 / CX 108V Replacement Parts CX108V CHASSIS ASSEMBLY CX108V CHASSIS ASSEMBLY Part Number Description Reference Part Number Description Reference CH-000112-00 SHIELD, LINE FILTER, PLX3002 SC-040041-PP PHILLIPS, PANHEAD, CH-000118-00 RACK EAR, FRONT, CX902 #4-40, 0.25" L, BLACK CH-000159-00 CHASSIS, MAIN, CX168 SC-040061-PT PHILLIPS, TRUSS, #4-40, CH-000188-00 BRACKET, OUTPUT, CX168...
  • Page 22 CX 168 / CX 108V Replacement Parts FAN ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference 2 POS (1X2), FEMALE, CA-133001-10 330PF, 5 PCNT, 500V, C40, C41 RAMP LOCK 26 AWG MICA, DIPPED, MS-000085-00 FAN, 24VDC, 3.15" CA-147003-30 470PF, 5 PCNT, 50V, C129, C134,...
  • Page 23 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference CERAMIC X7R, 1206, C23, C29, R624, R795, C3, C357, R796, R823, C358, C51, R824 C54, C557, CA-433002-00 0.33UF, 10 PCNT, 400V, C153, C154, C558, C56, FILM, DIPPED, PULSE...
  • Page 24 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference LM311, SMT, PL-000126-00 SPRING SEAT, TRANSISTOR, IC-000134-00 DRIVER, MOSFET, PLX, NYLON, IR2110 PL-000135-00 INSULATOR, TRANSISTOR, IC-000135-00 TOP SWITCH, TOP210, 1.25"...
  • Page 25 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference D548, D549, Q710, Q741, D742, D743, Q105, Q106, D744, D745, Q108, Q110, D746, D747, Q112, Q113, D748, D749 Q121, Q128, QD-000102-30 DIODE, 75V, 0.075A, D101, D102,...
  • Page 26 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference 0.3W, BZX84C6V2, SOT-23, D503, D703 QD-000226-30 DIODE, 2A, 50V, D22, D23, QD-000113-30 DIODE ZENER, 10V, ES2A, SMB, D24, D21 0.3W, BZX84C10, SOT-23, RE-.00660-00 0.066, 1 PCNT, 5W,...
  • Page 27 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R763, R793 R613, R616, RE-001650-30 16.5, 1 PCNT, 1/8W, R190, R215, R788, R791, THICK FILM, 1206, 200V R390, R415, R813, R816 R590, R615, RE-010002-30...
  • Page 28 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R869, R711 R628 RE-063402-30 634, 1 PCNT, 1/8W, R154, R159, RE-111301-30 1.13K, 1 PCNT, 1/10W, R134, R138, THICK FILM, 1206, 200V R162, R353, THICK FILM, 0805, 100V R334, R338,...
  • Page 29 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference RE-134802-30 3.48K, 1 PCNT, 1/10W, THICK FILM, 0805, 100V R366, R369, THICK FILM, 0805, 100V R566, R569, RE-136502-30 3.65K, 1 PCNT, 1/10W, R258, R262, R766, R769 THICK FILM, 0805, 100V...
  • Page 30 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R682, R702, THICK FILM, 0805, 100V R546, R746, R722, R724, R78, R180, R80, R871, R181, R208, R882, R102, R209, R380, R12, R122, R381, R408, R124...
  • Page 31 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference R847, R848 THICK FILM, 1206, 200V R323, R329, RE-230002-10 30K, 5 PCNT, 2W, R60, R61 R523, R529, METAL OXIDE FP, MINI, R723, R729 RE-239202-30 39.2K, 1 PCNT, 1/10W,...
  • Page 32 CX 168 / CX 108V Replacement Parts CX108V PCB ASSEMBLY CX108V PCB ASSEMBLY Part Number Description Reference Part Number Description Reference METAL FILM, , 50 OHM, SMT L105, L106, SC-063100-PP PHILLIPS, PANHEAD, #6, L303, L304, 0.625" L, ZINC, TYPE AB L306, L503, SC-081101-SP PHILLIPS, PANHEAD...
  • Page 33 CX 168 / CX 108V Semiconductor Identification OP-AMP OP-AMP LM13600 MC33078 Dual Operational Transconductance Amplifier Low Noise Dual Operational Amplifier OP-AMP OPTOCOUPLER TL072A MOC8101 Low Noise JFET-Input Operational Amplifier Low Noise Dual Operational Amplifier COMPARATOR COMPARATOR LM311 LM339 Volatge Comparator Low Power Low Offset Voltage Quad Comparator...
  • Page 34 CX 168 / CX 108V Semiconductor Identification DRIVER SG3525AN IR2110 Pulse Width Modulator Control Circuit High and Low Side Driver SWITCH SWITCH TOP210 DG201 Three-Terminal Off-Line PWM Switch CMOS Quad SPST Analog Switch TRANSISTOR TRANSISTOR MMST3906 MMST3904 PNP General Purpose Transistor NPN General Purpose Transistor...
  • Page 35 CX 168 / CX 108V Semiconductor Identification TRANSISTOR TRANSISTOR 2SC4793 2SA1837 NPN Silicon Transistor PNP Silicon Transistor TRANSISTOR TRANSISTOR TIP32C 2SA1943 Complementary Silicon Plastic Power Transistors PNP Silicon Transistor TRANSISTOR TRANSISTOR 2SC5200 IRG4PC50U NPN Silicon Transistor Insulated Gate Bipolar Transistor...
  • Page 36 CX 168 / CX 108V Semiconductor Identification TRANSISTOR TRANSISTOR MJL21194 MJL21193 NPN Silicon Power Transistor PNP Silicon Power Transistor DIODE DIODE MUR1520 BAS21 Power Rectifier General Purpose Diode DIODE DIODE IMBD4148 BZX84C6V2 Small Signal Diode Zener...
  • Page 37 CX 168 / CX 108V Semiconductor Identification DIODE DIODE BZX84C10 RBV5006 Zener Silicon Bridge Rectifier DIODE MUR840 Power Rectifier...
  • Page 38 CX 168 / CX 108V Relay and Transformer Identification RELAY TRANSFORMER T90S5D12-24 TSD-1135 30 Amp PCB Mounted Relay Flyback Transformer...
  • Page 39 CX 168 / CX 108V Chassis Drawings...
  • Page 40 CX 168 / CX 108V Chassis Drawings...
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  • Page 60 CX 168 / CX 108V Chassis Drawings...
  • Page 61 CX 168 / CX 108V Chassis Drawings...
  • Page 62 CX 168 SCHEMATICS ITEM NO. PART NO. DESCRIPTION VENDOR...
  • Page 63 CX 168 SCHEMATICS...
  • Page 64 CX 168 SCHEMATICS...
  • Page 65 CX 168 SCHEMATICS...
  • Page 66 CX 168 SCHEMATICS...
  • Page 67 CX 168 Schematics...
  • Page 68 CX 168 Schematics...
  • Page 69 CX 108V SCHEMATICS ITEM NO. PART NO. DESCRIPTION VENDOR...
  • Page 70 CX 108V SCHEMATICS...
  • Page 71 CX 108V SCHEMATICS...
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  • Page 73 CX 108V SCHEMATICS...
  • Page 74 CX 108V SCHEMATICS...
  • Page 75 CX 108V SCHEMATICS...
  • Page 76 CX 168 / CX 108V MAIN PCB ASSEMBLY...
  • Page 78 QSC Audio Products, Inc. 1675 Mac Arthur Blvd Costa Mesa CA 92626 Tel 714-754-6175 Fax 714-754-6173...

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