Crown CE 2000 Service Manual Download Page 1

Page: 1 / 581

Service Manual

130352-1

10/02

Rev. D

CE SERIES

PROFESSIONAL AUDIO AMPLIFIERS

Models:

CE-1000, CE-2000

(some units may have the model names: CE-1000A, CE-2000A, CE-2000TX,

UT-1010, UT-2020, M120, M240, S2, and S3)

amplifiers are produced by Crown International, Inc. Trademark Notice: Crown and

MultiMode are registered trademarks of Crown International. Other trademarks are the property of their
respective owners.

Summary of Contents for CE 2000

Page 1: ...IFIERS Models CE 1000 CE 2000 some units may have the model names CE 1000A CE 2000A CE 2000TX UT 1010 UT 2020 M120 M240 S2 and S3 2002 by Crown Audio Inc P O Box 1000 Elkhart Indiana 46515 1000 U S A Telephone 574 294 8000 CE Series amplifiers are produced by Crown International Inc Trademark Notice Crown and MultiMode are registered trademarks of Crown International Other trademarks are the prope...

Page 2: ...515 1000 Shipping 1718 W Mishawaka Rd Elkhart IN 46517 Phone 800 342 6939 574 294 8200 FAX 574 294 8301 Web www crownaudio com À PRÉVENIR LE CHOC ÉLECTRIQUE N ENLEVEZ PAS LES COUVERTURES RIEN DES PARTIES UTILES À L INTÉRIEUR DÉBRANCHER LA BORNE AVANT D OUVRIR LA MODULE EN ARRIÈRE TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR BOTTOM COVERS NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIF...

Page 3: ...40 11 127321 1 127323 1 127353 1 127373 2 127354 1 and 127354 2 Added Section 9 Field Service Modifications Added Section 10 Schematics Moved all existing Schematics from Section 6 to Section 10 Added Schematics 102141M and 102142M Updated Cover Page Revision History and Table of Contents Revised fan part no from 125400 3 to 133551 1 Updatedphonenumberareacode Updated sections 1 2 1 3 6 7 2 7 2 1 ...

Page 4: ...CE Series Service Manual Rev D This page intentionally left blank III ...

Page 5: ...heckout Adjustment Procedures 2 2 2 4 1 Equipment Required 2 3 2 4 2 Initial Conditions 2 3 2 4 3 Test Procedure 2 3 2 4 4 Service Kit Wire Extensions 2 3 3 Circuit Theory 3 1 3 1 Front End Operation 3 1 3 2 Balanced Gain Stage 3 1 3 3 Variable Gain Stage 3 1 3 4 Error Amp 3 2 3 5 Voltage Amplification 3 2 3 5 1 Voltage Translator 3 2 3 5 2 Last Voltage Amplifier 3 2 3 5 3 Bias Servo 3 2 3 2 2 Out...

Page 6: ...ploded Views Parts Lists 6 1 Assy CE 1000 Domestic 6 2 Assy CE 1000 PWA Chassis 6 4 HS Assy CE 1000 Isolated Ch 1 6 6 HS Assy CE 1000 Isolated Ch 2 6 8 HS Assy CE 1000 Non isolated Ch 1 6 10 HS Assy CE 1000 Non isolated Ch 2 6 12 Assy CE 2000 Domestic 6 14 Assy CE 2000 PWA Chassis 6 16 HS Assy CE 2000 Isolated Ch 1 6 18 HS Assy CE 2000 Isolated Ch 2 6 20 HS Assy CE 2000 Non isolated Ch 1 6 22 HS A...

Page 7: ...nt Map 8 173 PWA 126883 2 revB 8 174 Component Map 8 177 PWA 126883 2 revC 8 178 Component Map 8 181 PWA 127321 1 8 182 Component Map 8 200 PWA 127321 2 8 203 Component Map 8 220 PWA 127323 1 8 223 Component Map 8 242 PWA 127323 2 8 245 Component Map 8 262 PWA 127353 1 8 265 Component Map 8 283 PWA 127353 2 8 286 Component Map 8 304 PWA 127353 3 8 307 Component Map 8 325 PWA 127354 1 8 328 Compone...

Page 8: ...ts 9 Field Modifications 9 1 9 1 Fan Circuit Balast Resistors 9 1 9 2 Timing Mute Capacitors 9 1 9 3 Modification for Noise Oscillation Problem 9 3 9 4 Bootstrap Resistor Modification 9 4 9 5 Channel 1 Output to Channel 2 Speakon 9 5 10 Schematics 10 1 ...

Page 9: ...PART I Technical Information ...

Page 10: ...CE Series Service Manual Rev D This page left intentionally blank ...

Page 11: ... conjunction with the CE Series Reference Manual Some important information is however duplicated in this Service Manual in case the Reference Manual is not readily available NOTE THE INFORMATION IN THIS MANUAL IS IN TENDED FOR USE BY AN EXPERIENCED TECHNI CIAN ONLY 1 1 The CE Series The CE Series amplifiers are compact audio power amplifiers designed for professional use These units provide high ...

Page 12: ... on the Main PWA for setting optional 0 775V sensitivity A two position mode switch located below the input connectors When turned to stereo the amplifier operates as two independent channels When in bridge mono mode the amplifier bridges the two output channels for twice the output voltage 1 3 4 Indicators A green LED SIGNAL indicator for each channel which flasheswhenaverylowlevelsignal 40dBm is...

Page 13: ...S 310 B 5 25 inch 13 34 cm height and12 25 inch 31 11 cm depthbehindfrontmounting surface Weight The CE 1000 weighs 32 6 pounds 14 79 kg The CE 2000 weighs 40 3 pounds 18 28 kg For shipping weight add 6 lbs 2 7 kg to each amp Mounting Standard EIA 310 front panel rack mount Introduction 1 3 ...

Page 14: ...n order to prevent an unwanted disaster when turning the unit on Once these checks are made power may be applied for further checks Note It will be necessary to remove the top panel for complete access to all modules 2 Maintenance Fundamentally troubleshooting involves looking for an abnormal situation When a problem has been observed it is obvious that something is not doing what it is ex pected ...

Page 15: ...fthechassisnearthepower supply capacitors and short the wires together through a resistor such as a 300 ohm 10 W 3 Disconnectthein lineFASTONthatconnectsthecircuit boardtothetransformer 4 Disconnect the 4 wire connector from the circuit board thatcomesfromthetransformer 5 Disconnectthesmallwhitewirethatconnectsthecircuit boardtotherectifierblock 6 Remove the four screws that hold the input assembl...

Page 16: ...sure the orientation is as shown in Figure 2 1 Plug in the input module Optional Grounding Wire 7 On the 12AWG green ground wire attach the longest wires ringterminaltothechassisgroundshowninFigure 2 2 usingthePWAmountingscrew Theremainingthree wiresshouldbeattachedtothePWAatthethreeground ing locations shown in Figure 2 2 using the 6 32 screws and 6 32 hex nuts provided in the kit Figure 2 1 4 pi...

Page 17: ...CE Series Service Manual Rev D Figure 2 2 CE 1000 with Main Module Removed and Service Kit Installed Maintenance 2 4 ...

Page 18: ...tput failure If quiescent draw exceeds expectation by a small amount check bias immediately Bias voltage is set while the amplifier is at room tem perature If the amplifier is hot from prior testing for repair or other purposes it should be set aside until it has cooled before continuing with this check Bias once factory set normally will not require adjustment For channel 1 Measure the voltage at...

Page 19: ... the chassis Also suspect R4 E1 or R19 Set the sensitivity switch to 26 dB and check that both level controls are fully clockwise Insert a 3 5V 1 kHz sine wave into channel 1 only and capture the output signal on a digital storage scope Turn off the signal The limits for the CE 1000 are 20 A 5 A For the CE 2000 the limits are 25 5 A 5 5 A Change the input signal to channel 2 only and repeat the te...

Page 20: ...oad will cause the circuit breaker to trip after 10 to 20 sec onds AC Mains of 120 VAC 60 Hz 8 Ohm Load Minimum voltage is 46 9 Vrms 275W with 0 5 THD for the CE 1000 and 56 6 Vrms 400W with 0 5 THD for the CE 2000 4 Ohm Load Minimum voltage is 42 4 Vrms 450W with 0 5 THD for the CE 1000 and 51 3 Vrms 660W with 0 5 THD for the CE 2000 2 Ohm Load Minimum voltage is 33 4 Vrms 560W with 0 5 THD for t...

Page 21: ...Hz source into channel 1 2 or both and ob serve the amplifier outputs with a voltmeter Set the inputs so that about 10 Vrms is on the outputs and set the load to 4 ohms If the amplifier produces power until the heatsinks get so hot that a channel goes into thermal protection the fan is not working correctly With the amplifier still in thermal protection measure the voltage at J4 pin 1 the red fan ...

Page 22: ...LED cannot blink Verify that when the amplifier is in its turn on delay the fault LEDs both blink If they don t but the fault jack oper ates correctly suspect D124 C122 R180 R182 R183 E102 E181 and R105 At the completion of testing set all switches per cus tomer request If none are specified by the customer the following are standard factory settings for original shipment Mode Switch STEREO positi...

Page 23: ...put of the first op amp stage Electri cally the BGS is at unity gain From an audio per spective however this stage actually provides 6 dB gain if a fully balanced signal is placed on its input The BGS is a non inverting stage Its output is deliv ered to the Variable Gain Stage 3 3 Variable Gain Stage VGS From the output of the BGS the signal goes to the VGS where it is inverted and gain is determi...

Page 24: ... and it also allows the signal of the collector of Q107 to be developed across it and thus amplified The series combination of D126 and D127 in parallel with the base emitter junction of Q107 and R136 form a circuit that limits the current through Q107 One of these diode drops equates to the base emitter junc tion of Q107 and the other equates to the voltage on R136 Therefore the current through Q...

Page 25: ...putdevicesarematched theywillhavecurrentgains that are very similar To ensure optimal performance num bereddevicesshouldonlybeorderedfromtheCrownSer viceDepartment 3 6 4FlybackDiodes D114andD115arecalledflybackdiodes Intheeventthat abackEMF flyback pulseexceedsthepowersupplyvolt age the flyback diode will shunt this voltage to the supply in order to protect the output devices 3 6 5OutputTerminatin...

Page 26: ...ersdistortionbymakingtherateof changeofthewaveformlessdependentontheoutputvolt age Theconstantcurrentsourceisrequiredforproperoperation of the bias servo circuit It also helps to provide isolation between the front end input stage supply and the rail volt age 3 8 ProtectionCircuitry The CE series of amplifiers are equipped with a great deal of protection circuitry to protect the amplifier under a ...

Page 27: ...6 is attached to the heatsink with electrically insulating and thermally conducting epoxy This current is delivered through R190 to de velop a voltage at the anode of D119 This voltage is then used to adjust fan speed control and will also activate relay K100 and the mute circuitry if the heatsink reaches dangerous levels 3 8 3 Low Frequency and Short Circuit Protection The output of the error amp...

Page 28: ...9 Fan Control Circuitry There are two different kinds of input to the fan speed control One is the heatsink temperature and the other is the input from the transformer thermal switch The heatsink temperature is reported via U106 which is thermally connected to the heaksink The current from U106 is delivered through R190 to develop a voltage at the anode of D119 D119 is used as part of an OR gate w...

Page 29: ...K AG Im alten riet 34 Schaan FL 9494 Furstentum Liechtenstein 011 41 75 237 2424 FAX 011 41 75 232 5393 www neutrik com or Neutrik USA Inc 195 Lehigh Ave Lake wood NJ 08701 4527 908 901 9488 Fax 908 901 9608 www neutrikusa com or Crown International Inc 1718 West Mishawaka Road Elkhart IN 46517 4095 USA 219 294 8000 FAX 219 294 8329 www crownaudio com Your NL4FC connector kit should contain both a...

Page 30: ... NL4FC connector once this cap is tightened into place Before tightening you may want to test the connector to make sure it has been assembled properly Why Speakon For amplifiers the most popular termination device on professional products has been the dual banana which incidentally was pioneered by Crown with the DC 300 model However recent regulatory requirements in Eu rope have outlawed the use...

Page 31: ...PART II Component Documentation ...

Page 32: ...CE Series Service Manual Rev D Parts 5 2 This page left intentionally blank ...

Page 33: ...rial number and include a description and the Crown Part Number CPN from the parts list ing Price quotes are available on request 5 4 Shipment Shipment will be normally made by UPS or best other method unless you specify otherwise Shipments are made to and from Elkhart IN only Established ac counts with Crown will receive shipment freight pre paid and will be billed All others will receive ship me...

Page 34: ...CE Series Service Manual Rev D Parts 5 4 This page left intentionally blank ...

Page 35: ...CE Series Service Manual Rev D Exploded Views 6 1 6 Exploded Views Parts Lists ...

Page 36: ... assy is shown with heatsink assys removed in order to provide clarity Assy CE 1000 Domestic See illustration on next page 102632 Obtain CPNs Crown Part Numbers from the bill of material following the illustra tion The CPNs on the illustration may not be up to date ...

Page 37: ......

Page 38: ...3175 1 8 1 IEC Snap IN 15A UL 10A VDE 102650 1 9 1 10 INT Tooth Lockwasher Zinc A10094 8 10 1 Wire 14 GRN 10 Ring x 5 x FLAG A12119 K050M 11 2 10 32 Hex Nut w Belle A10056 3 12 1 35A 400V Bridge Rectifier C 8752 2 13 4 10 NYL SHLDR Washer 10 375 A A10099 7 14 4 10 32 x 2 875 PAN HD PH MSCR 125105 1 15 1 Cover CE 1000 CE 2000 Top PC 133824 1 16 1 XFMR CE 1000 120V 60HZ 101180 2 17 1 BRKR 1 Pole 12A...

Page 39: ...CE Series Service Manual Rev D Exploded Views 6 4 Assy CE 1000 PWA Chassis Note Item 1 is shown with front face plate removed in order to provide clarity 4 5 ...

Page 40: ...ploded Views 6 5 Assy CE 1000 PWA Chassis Item Qty Description CPN 1 1 Chassis CE 1000 CE 2000 WELD AP PC SP 133817 1 2 1 PWA CE1000 MAIN 127451 4 3 8 6 32 X 25 Torx Pnhd Nylon 132240 10604 4 1 Blank Plate 126730 1 5 2 Screws 126979 1 ...

Page 41: ...CE Series Service Manual Rev D Exploded Views 6 6 HS Assy CE 1000 Isolated Ch 1 See illustration on next page 133695 1 ...

Page 42: ......

Page 43: ...2606 6 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 5 2 NYL 115 SHLDR WSHR 126017 2 6 1 Wire BLK 5 6 RING x 25 FAST A11389 A050K 7 1 Isolator TO 3 0 16 GOLD C W 102577 1 8 6 6 32 x 312 TORX PAN HD TFS 102719 1 9 4 NPN TO 3 MJ21194 PWR 102659 1 ...

Page 44: ...CE Series Service Manual Rev D Exploded Views 6 8 HS Assy CE 1000 Isolated Ch 2 See illustration on next page 102570 3 ...

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Page 46: ...2606 7 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 4 NPN TO 3 MJ21194 PWR 102659 1 5 6 6 32 x 312 TORX PAN HD TFS 102719 1 6 1 Isolator TO 3 0 16 GOLD C W 102577 1 7 1 Wire BLK 5 6 RING x 25 FAST A11389 A050K 8 2 NYL 115 SHLDR WSHR 126017 2 9 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 ...

Page 47: ...CE Series Service Manual Rev D Exploded Views 6 10 HS Assy CE 1000 Non isolated Ch 1 See illustration on next page 133696 1 ...

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Page 49: ...isolated Ch 1 Item Qty Description CPN 1 1 Heatsink CE1000 102606 6 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 6 6 32 x 312 TORX PAN HD TFS 102719 1 5 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 6 4 NPN TO 3 MJ21194 PWR 102659 1 ...

Page 50: ...CE Series Service Manual Rev D Exploded Views 6 12 HS Assy CE 1000 Non isolated Ch 2 See illustration on next page 102572 3 ...

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Page 52: ...isolated Ch 2 Item Qty Description CPN 1 1 Heatsink CE1000 102606 7 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 4 NPN TO 3 MJ21194 PWR 102659 1 5 6 6 32 x 312 TORX PAN HD TFS 102719 1 6 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 ...

Page 53: ...1 assy is shown with heatsink assys removed in order to provide clarity Assy CE 2000 Domestic Obtain CPNs Crown Part Numbers from the bill of material following the illustra tion The CPNs on the illustration may not be up to date See illustration on next page 102634 ...

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Page 55: ...Wire 14 GRN 10 Ring x 5 x FLAG A12119 K050M 11 2 10 32 Hex Nut w Belle A10056 3 12 1 35A 400V Bridge Rectifier C 8752 5 13 4 10 NYL SHLDR Washer 10 375 A A10099 7 14 4 10 32 x 2 875 PAN HD PH MSCR 125105 1 15 1 Cover CE 1000 CE 2000 Top PC 133824 1 16 1 BRKT CE 2000 XFMR TOP AP 133820 1 17 1 XFMR CE 2000 120V 60HZ 101181 3 18 1 Gasket CE 2000 XFMR 125 THK SIL Rubber 125488 1 19 1 BRKR 1 Pole 18A S...

Page 56: ...CE Series Service Manual Rev D Exploded Views 6 16 Note Item 1 is shown with front face plate removed in order to provide clarity Assy CE 2000 PWA Chassis ...

Page 57: ...vice Manual Rev D Exploded Views 6 17 Assy CE 2000 PWA Chassis Item Qty Description CPN 1 1 Chassis CE 1000 CE 2000 WELD AP PC SP 125612 2 2 1 PWA CE 2000 Main 102140 6 3 8 MSCR 6 32X 25 TORX PNHD NYLON 132240 10604 ...

Page 58: ...CE Series Service Manual Rev D Exploded Views 6 18 HS Assy CE 2000 Isolated Ch 1 See illustration on next page 133697 1 ...

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Page 60: ...2607 6 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 6 NPN TO 3 MJ21194 PWR 102659 1 5 10 6 32 x 312 TORX PAN HD TFS 102719 1 6 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 7 2 NYL 115 SHLDR WSHR 126017 2 8 1 Wire BLK 5 6 RING x 25 FAST A11389 A050K 9 1 Isolator TO 3 0 16 GOLD C W 102577 1 ...

Page 61: ...CE Series Service Manual Rev D Exploded Views 6 20 HS Assy CE 2000 Isolated Ch 2 See illustration on next page 102574 3 ...

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Page 63: ...607 7 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 6 NPN TO 3 MJ21194 PWR 102659 1 5 10 6 32 x 312 TORX PAN HD TFS 102719 1 6 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 7 2 NYL 115 SHLDR WASHER 126017 2 8 1 Wire BLK 5 6 RING x 25 FAST A11389 A050K 9 1 Isolator TO 3 0 16 GOLD C W 102577 1 ...

Page 64: ...CE Series Service Manual Rev D Exploded Views 6 22 HS Assy CE 2000 Non isolated Ch 1 See illustration on next page 133698 1 ...

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Page 66: ...solated Ch 1 Item Qty Description CPN 1 1 Heatsink CE 2000 102607 6 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 6 NPN TO 3 MJ21194 PWR 102659 1 5 10 6 32 x 312 TORX PAN HD TFS 102719 1 6 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 ...

Page 67: ...CE Series Service Manual Rev D Exploded Views 6 24 HS Assy CE 2000 Non isolated Ch 2 See illustration on next page 102576 3 ...

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Page 69: ...solated Ch 2 Item Qty Description CPN 1 1 Heatsink CE 2000 102607 7 2 1 2SC5242 NPN 230V 15A 30MHZ 103200 1 3 1 M3 x 10 TFS 6 32 TORX PNHD SEM BZ 103233 1 4 6 NPN TO 3 MJ21194 PWR 102659 1 5 10 6 32 x 312 TORX PAN HD TFS 102719 1 6 2 4 40 x 437 TORX PAN HD TFS SEM 126785 1 ...

Page 70: ...BZ AB 103175 1 8 1 IEC Snap IN 15A UL 10A VDE 102650 1 9 1 was 10 INT Tooth Lockwasher Zinc was A10094 8 10 1 Wire 14 GRN Flagx5xring A12119 M050N 11 2 8 32 Hex Nut w Belle A11056 2 12 1 35A 400V Bridge Rectifier C 8752 2 13 4 10 NYL SHLDR Washer 10 375 A A10099 7 14 4 10 32 x 2 875 PAN HD PH MSCR 125105 1 15 1 was Cover CE 1000 CE 2000 Top PC was 125178 1 16 1 XFMR CE 1000 120V 60HZ 101180 2 17 1...

Page 71: ...fast x 14 x tab A11384 C140N 1 Wire 14 blk flag x 14 x flag A11384M140M 1 Wire 14 grn 8ring x 5 x flag A12119 N050M 3 Tie cable 4 or more 18 lb C 1811 6 X Threadlocker Titan 7242 50 ML S 2217 8 4 Screw 6 32X 312 Torx Pnhd Sem 103415 70605 8 Mscr 6 32x 25 Torx Pn Hd Sem 103435 70604 1 Serffan 120x120x38mm24VDC118CFM 125400 1 1 Chas CE1000 PWA 125432 4 1 Clip D390 Breaker Mounting 125476 2 1 Switch ...

Page 72: ...S BZ AB 103175 1 8 1 IEC Snap IN 15A UL 10A VDE 102650 1 9 1 was 10 INT Tooth Lockwasher Zinc was A10094 8 10 1 Wire 14 GRN Flagx5xring A12119 M050N 11 2 8 32 Hex Nut w Belle A11056 2 12 1 35A 400V Bridge Rectifier C 8752 2 13 4 10 NYL SHLDR Washer 10 375 A A10099 7 14 4 10 32 x 2 875 PAN HD PH MSCR 125105 1 15 1 was Cover CE 1000 CE 2000 Top PC was 125178 1 16 1 XFMR CE 1000 120V 60HZ 101180 2 17...

Page 73: ...1384 C140N 1 Wire 14 blk flag x 14 x flag A11384M140M 1 Wire 14 grn 8ring x 5 x flag A12119 N050M 3 Tie cable 4 or more 18 lb C 1811 6 X Threadlocker Titan 7242 50 ML S 2217 8 8 Mscr 6 32x 25 Torx Pn Hd Sem 103435 70604 1 Pnl CD output blank 126730 1 1 Clip D390 Breaker Mounting 125476 2 1 25OD x 18ID x 1 062 AL SPCR A10100 50 1 8 32x3 8 pnhd T15 Thdrol sem b 126979 1 1 6 32x 31 pnhd acr ph tr ise...

Page 74: ...ockwasher Zinc was A10094 8 10 1 was Wire 14 GRN 10 Ring x 5 x FLAG was A12119 K050M 11 2 8 32 Hex Nut w Belle A11056 2 12 1 35A 400V Bridge Rectifier C 8752 2 13 4 10 NYL SHLDR Washer 10 375 A A10099 7 14 4 10 32 x 2 875 PAN HD PH MSCR 125105 1 15 1 was Cover CE 1000 CE 2000 Top PC was 125178 1 16 1 BRKT CE 2000 XFMR TOP AP 102679 3 17 1 XFMR CE2K 120V 60Hz w bellybnd 101181 3 18 1 Gasket CE 2000...

Page 75: ...lk flag x 14 x flag A11384M140M 1 Wire 14 grn 8ring x 5 x flag A12119 N050M 3 Tie cable 4 or more 18 lb C 1811 6 X Threadlocker Titan 7242 50 ML S 2217 8 8 Mscr 6 32x 25 Torx Pn Hd Sem 103435 70604 1 Clip D390 Breaker Mounting 125476 2 1 375 x 205 x 250 nylon spacer A10101 18 1 Wire 14 grn flagx5xring A12119 M050N 4 Screw 6 32x 312 torx pnhd sem 103415 70605 4 Sems 6 32x 31 torx pnhd star 103433 7...

Page 76: ...oth Lockwasher Zinc was A10094 8 10 1 was Wire 14 GRN 10 Ring x 5 x FLAG was A12119 K050M 11 2 8 32 Hex Nut w Belle A11056 2 12 1 35A 400V Bridge Rectifier C 8752 2 13 4 10 NYL SHLDR Washer 10 375 A A10099 7 14 4 10 32 x 2 875 PAN HD PH MSCR 125105 1 15 1 was Cover CE 1000 CE 2000 Top PC was 125178 1 16 1 BRKT CE 2000 XFMR TOP AP 102679 3 17 1 XFMR CE2K 120V 60Hz w bellybnd 101181 3 18 1 Gasket CE...

Page 77: ... Wire 14 grn 8ring x 5 x flag A12119 N050M 3 Tie cable 4 or more 18 lb C 1811 6 X Threadlocker Titan 7242 50 ML S 2217 8 8 Mscr 6 32x 25 Torx Pn Hd Sem 103435 70604 1 Clip D390 Breaker Mounting 125476 2 1 375 x 205 x 250 nylon spacer A10101 18 1 Wire 14 grn flagx5xring A12119 M050N 1 25OD x 18ID x 1 062 AL spcr A10100 50 1 Pnl CD output blank 126730 1 2 8 32x3 8 pnhd T15 thdrol sem b 126979 1 4 6 ...

Page 78: ...ain PWA built on 102138 9 PWB Used only in export models Added 0 775V sensitivity Use 127451 4 as service replacement 102139 11 Main PWA built on 102138 9 PWB Used only in export models Includes bootstrap update Use 127451 4 as service replacement 127451 4 Special service replacement PWA Used as replace ment for all PWAs Comes with other assortment of parts which may need to be replaced in the amp...

Page 79: ...l main PWA refer to instruction sheet shipped with PWA 127354 1 Main PWA built on 102138 9 PWB Added 0 775V sen sitivity Use 127452 4 as service replacement 127354 2 Main PWA built on 102138 9 PWB Includes bootstrap update Use 127452 4 as service replacement 7 4 2 Input Module 102690 Original input PWA built on 102688 PWB Included sen sitivity switch 126883 Input PWA built on 127004 PWB Used with ...

Page 80: ...CE Series Service Manual Rev D This page left intentionally blank Module and Schematic Information 7 3 ...

Page 81: ...e Parts 8 1 Rev D 8 Module Parts Lists The following pages provide parts lists for modules used in the CE Series amplifiers along with compo nent maps to help locate individual parts Schemat ics are located in the back of the manual ...

Page 82: ...CE Series Service Manual Module Parts 8 3 Rev D 102139 rev H PWA Main CE1000 PWB part number 102138 6 PWA part number 102139 6 Schematic Drawing number 102141 rev F ...

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Page 166: ...CE Series Service Manual Module Parts 8 67 Rev D 102140 rev H PWA Main CE2000 PWB part number 102138 6 PWA part number 102140 6 Schematic Drawing number 102141 rev F ...

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Page 545: ...ot come out of standby upon start up When this happens the fault light will simply continue to flash on and off indicating that there is some fault condition on the amplifier It is likely that the problem may be the formation of con densation under the timing capacitors resistors C121 221 R174 274 and or the muting capacitors resistors C124 224 R192 292 Additionally resis tors R6 and R18 need to b...

Page 546: ...ications 9 2 The main module MUST be cleaned To clean the board use only a soft bristle brush and high grade IPA isopropyl alcohol Using any thing else can damage the components CAUTION Figure 9 1 Bottom Side of Main Module C124 C224 C121 C221 ...

Page 547: ... to prevent oscillations or noise from occuring Perform the modification as follows Figure 9 2 Standard SST module component side Figure 9 3 SBSC module rear view Procedure 1 Dis attach AC input and output connections from the amplifier 2 Loosen and remove the screws holding the SST input module in place and remove the module 3 Remove the screws holding the front plate of the module in place and r...

Page 548: ...a pacitor original 0156 procedure or may be spliced into the bootstrap supply wire Tech Note 0156 REV A procedure Part Description 1000 Ohm 5 Watt resistor CPN 127438 1 Clip CPN 127439 1 Procedure 1 Locate the bootstrap supply wire This white wire runs from the bridge rectifier to WP6 on the main board Figure 9 4 Boostrap Resistor Assembly Figure 9 5 Bootstrap Resistor Installation Figure 9 6 Boot...

Page 549: ... Speakon connector Amplifiers come from the factory without this jumper installed so normally Channel 1 output is not available from the Channel 2 Speakon Procedure 1 Solder a 14 AWG wire across the two solder pads indicated in Figure 9 7 below This will route the Chan nel 1 output signal to the Channel 2 Speakon Caution Before performing this modification be sure that Amplifier power is turned of...

Page 550: ...CE Series Service Manual Rev D Field Modifications 9 6 This page left intentionally blank ...

Page 551: ...sentative only There may be slight variations between amplifier to amplifier These schematics are intended to be used for troubleshooting purposes only Please refer to Section 7 Module and Schematic Information for assistance in selecting the correct schematic to ref erence for your amplifier 10 Schematics ...

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