Crown 800 CSL Скачать руководство пользователя страница 1

Страница: 1 / 36

Power Base-2 & 800CSL Amplifier Service Manual

POWER BASE-2

& 800CSL

™

POWER AMPLIFIER

SERVICE MANUAL

K-SVCPB2

1-95

CSL

™

is a trademark and Power Base-2,

ODEP,

and

Crown

are registered trademarks of Crown International, Inc.

Mailing Address:

P.O. Box 1000

Elkhart, IN U.S.A. 46515-1000

Shipping Address:

57620 C.R. 105

Elkhart, IN U.S.A. 46517

Содержание 800 CSL

Страница 1: ...IFIER SERVICE MANUAL K SVCPB2 1 95 CSL is a trademark and Power Base 2 ODEP and Crown are registered trademarks of Crown International Inc MailingAddress P O Box 1000 Elkhart IN U S A 46515 1000 ShippingAddress 57620 C R 105 Elkhart IN U S A 46517 1995 by CROWN INTERNATIONAL INC ...

Страница 2: ...O ACCESS GAIN SWITCH CAUTION AVIS WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE The information furnished in this manual does not include all of the details of design production or variations of the equipment Nor does it cover every possible situation which may arise during installation operation or maintenance If you need special assistance beyond t...

Страница 3: ...Parts Listing 17 Module Information 20 Q42647 0 Output Module MT MA 21 Q42717 1 Output Module MT MA 2 22 Q42871 6 Output Module TO 3P MT MA 23 Q42966 4 Output Module TO 3P 2 24 Q43015 9 Output Module THC 25 Q43203 1 Output Module THC 2 26 Q42665 2 Main Module Original 27 Q42683 5 Main Module 2 29 Q42818 3 Main Module 3rd Gain 31 Q43059 7 Main Module THC 34 Table of Contents ...

Страница 4: ...fic circuit board although an unpopulated circuit board may be built up with different parts to create different modules Note that Crown does not sell blank unpopulated circuit boards Each of the compact audio power amplifiers are designed for professional or commercial use Provid ing high power amplification from 20Hz to 20KHz with minimum distortion they feature balanced inputs with bridged and ...

Страница 5: ...four character number after the prefix letter the space is considered a character The seventh character is usually a hy phen though it may be a letter to indicate a revision or specialnote Thelastcharacteriscalledacheck digit and is useful to Crown for internal tracking Crown is in the process of converting to a new part number system Length may vary from eight to twelve characters There is still ...

Страница 6: ...ate 13V per microsecond Damping Factor 1000 from 10 Hz to 400 Hz DC Offset 10 millivolts Input Impedance Nominally 20K ohms balanced 10K ohms unbalanced Output Impedance 10 milliohms in series with 2 microhenries Protection Systems Output Device Emulation Protec tion ODEP limits drive in the event of dangerous dynamicthermalconditionswithoutinterruptingpower Current limiting for shorted load prote...

Страница 7: ...40V Connections P10 to P16 P9 to P14 P8 to P13 For list of applicable transformer fuse F100 fanformer and power cord refer to voltage parts cross reference S1 Power Switch PB CSL Universal Fuse Board Specific parts are required for the PB 2 800CSL in order to be used at different international line volt ages Refer also to Mechanical Parts Lists 100 to 120V AC Mains 20A Fuse A10285 28 0 5A Low Volt...

Страница 8: ...bassfrequencyrange This feedback along with our compensation and ultra low distortion output topology make Crown amplifiers superior Features specific to the Power Base CSL Series in clude a single core transformer one primary with two independent ungrounded secondaries a full time full speed fan which also serves as the low voltage transformer slew rate limiting and audio muting for delay or prot...

Страница 9: ...r network splits the Error Signal ES into positive and negative drive signals for the bal ancedvoltagetranslatorstage Theseoffsetreference voltages drive the input to the Voltage Translator transistors A nested NFb loop from the output of the amplifier mixes with the inverted signal riding on the offset references This negative feedback fixes gain at the offset reference points and the output of t...

Страница 10: ...stage is off Theory Vcc Positive Rail Vcc Negative Rail Load speaker Input signal HIGH SIDE LOW SIDE Inverting Op amp Figure 2 Crown Patented Grounded Bridge Topology The output of the LVA drives the base of predriver device Together the predriver and driver form the first two parts of the three deep Darlington and are biased class AB They provide output drive through the bias resistor bypassing t...

Страница 11: ...further from ground poten tial At the negative amplifier output peak Vcc 0V and Vcc equals the total power supply potential with Theory anegativepolarity Usingthesameexampleasabove a 70V supply would allow a negative output peak of 70V In summary a power supply which produces a total of 70VDC rail to rail or 35VDC statically is capable of producing 140V peak to peak at the ampli fier output when t...

Страница 12: ...ic power level result in an accurate simulation of the actual thermal condi tion of the output transistors NEGATIVE LOW SIDE OUTPUT PNP STAGE POSITIVE LOW SIDE OUTPUT NPN STAGE NEGATIVE HIGH SIDE OUTPUT PNP STAGE POSITIVE HIGH SIDE OUTPUT NPN STAGE HIGH SIDE BIAS SERVO LVA 1 LVA 1 VOLTAGE TRANSLATOR VOLTAGE TRANSLATOR OUTPUT DEVICE EMULATION PROTECTION ERROR AMP VGS BGS BALANCED INPUTS INVERTING B...

Страница 13: ...Initial Conditions Controls per standard heatsink tem perature less than 40 C Procedure Measure DC voltages on the output module across R02 adjust R26 if necessary Measure DC voltages on the output module across R21 adjust R23 if necessary Repeat for second channel TEST 3 ODEP VOLTAGE ADJUSTMENT Spec Cold Bias Per Charts Below 0 1V DC Initial Conditions Controls per standard heatsink at room tempe...

Страница 14: ...hin 10 of each other TEST 8 LEVEL CONTROLS Spec Level controlled by level controls Initial Conditions Controls per standard Checkout Procedures Procedure No Load Inject a 1 kHz sine wave With level controls fully clockwise you should see full gain As controls are rotated counterclockwise observe similar gain reduction in each channel When com plete return level controls to fully clockwise position...

Страница 15: ...r low frequency Initial Conditions Controls per standard Procedure No load Inject a 0 5 Hz 6 volt peak to peak square wave into each channel and verify that each channel cycles into mute TEST 16 SIGNAL TO NOISE RATIO Spec 100 dB 105 dB A weighted below rated 8 ohm power Initial Conditions Controls per standard Short inputs Procedure Load each channel to 8 ohms Measure less than 400 µV at the outpu...

Страница 16: ...all tests are satisfactory the amplifier controls should be returned to the posi tions required by customer If conditions are unknown or unspecified factory settings are as follows Level Controls 9 to 11 O Clock Sensitivity Switch 0 775V U S 1 4V International Stereo Mono Switch Stereo Ground Lift Lift Power Off ...

Страница 17: ...10426 8 Fuse Board International Only 1 P10125 6 Fuse Board U S Only 1 FANFORMER MECHANICAL ASSEMBLY CPN ITEM QTY C 7062 0 Screw 6 32 5 16 Flat Mach 2 C 9939 7 Fan Blade 4 inch CCW 1 D 8439 8 Fan Bracket 1 FILTER CAPACITOR MOUNTING ASSEMBLY ONE PER CHANNEL CPN ITEM QTY A10095 4 Washer 10 Ext Lock 2 A10098 5 Belleville Spring Washer 2 C 8433 2 C126 C226 10 000µF 110V 1 C 8752 5 D117 D217 35A 400V B...

Страница 18: ...put Thru Hole Pad Insulator 1 D 8197 2 Paper Shroud 1 D 8264 0 PTC Thermal Sensor 1 F12019 0 Diode Heatsink Slug 1 M21324 5 Heatsink Aluminum 2 Output Module See Module List 1 BACK PANEL ASSEMBLY CPN ITEM QTY A10214 7 Strain Relief Power Cord 1 C 2823 0 Dual Binding Post Assembly 1 D 7074 4 Power Cord 3 14 15A USA 1 M21208J9 Back Panel 1 A10019 8 Nut 8 32 2 Captive 2 CHASSIS FRONT ASSEMBLY CPN ITE...

Страница 19: ...Pan Ph 2 A10192 1 Snap Bushing 5 4 C 1811 6 Tie Wrap 4 C 3163 0 Solder Lug 6 505 1 C 6487 0 Power Switch 22A Rocker 2 Pole 1 C 6912 7 Tension Retainer Board Support 2 C 6913 5 Spacer Nut 1 inch 2 C 6914 3 Spacer Nut 75 inch 2 C 8341 7 Ferrite Bead 2 C 9491 9 Screw 6 32 312 Taptite Pan 4 C 9953 8 Screw 6 20 312 Taptite Pan Black 6 D 7600 6 Ground Strap DBP to Chassis 1 D 7784 8 Label Sensitivity Sw...

Страница 20: ...compensation Also im proved bias stability Q43203 1 THC 2 Output Module Replaces Q42967 2 only Electrically identical but larger screw head plates prevent shorting which could occur with the first THC output module MAIN MODULES Q42665 2 Original Main Module for PB 2 No longer available Q42683 5 Main 2 for PB 2 No longer available Q42818 7 Third Gain Main Module Same circuit board as the universal ...

Страница 21: ... 5W R04 C 6486 2 2 5W R06 C 6486 2 2 5W R07 C 6486 2 2 5W R09 C 7779 9 22 flame proof R10 A10266 4711 470 R11 A10266 2R73 2 7 1W R12 A10266 2R73 2 7 1W R13 A10266 7501 75 R14 A10266 2R73 2 7 1W R16 C 6486 2 2 5W R17 C 6486 2 2 5W R19 C 6486 2 2 5W R20 C 6486 2 2 5W R21 C 7778 1 5 6 flame proof R22 C 7779 9 22 flame proof R23 C 6844 2 250 Pot LS Bias R24 A10266 1331 13K R25 A10266 2221 2 2K R26 C 6...

Страница 22: ...79 9 22 5W Flame Proof R10 A10266 4711 470 R11 A10266 2R73 2 7 1W R12 A10266 1204 12 2W R13 A10266 7501 75 R14 A10266 1204 12 2W R15 C 6486 2 2 5W R16 C 6486 2 2 5W R17 C 6486 2 2 5W R18 C 6486 2 2 5W R19 C 6486 2 2 5W R20 C 6486 2 2 5W R21 C 7778 1 5 6 5W Flame Proof R22 C 7779 9 22 5W Flame Proof R23 C 6844 2 250 Pot LS Bias R24 A10266 1331 13K R25 A10266 2221 2 2K R26 C 6844 2 250 Pot HS Bias R...

Страница 23: ...2R73 2 7 1W R12 A10266 1204 12 2W R13 A10266 7501 75 R14 A10266 1204 12 2W R15 C 6486 2 2 5W R16 C 6486 2 2 5W R17 C 6486 2 2 5W R18 C 6486 2 2 5W R19 C 6486 2 2 5W R20 C 6486 2 2 5W R21 C 7778 1 5 6 flame proof R22 C 7779 9 22 flame proof R23 C 6844 2 250 Pot LS Bias R24 A10266 1331 13K R25 A10266 2221 2 2K R26 C 6844 2 250 Pot HS Bias R27 A10266 3911 390 R28 A10266 1331 13K R29 A10266 5101 51 R3...

Страница 24: ...e proof R10 A10266 4711 470 R11 A10266 2R73 2 7 1W R12 A10266 1204 12 2W R13 A10266 7501 75 R14 A10266 1204 12 2W R15 C 6486 2 2 5W R16 C 6486 2 2 5W R17 C 6486 2 2 5W R18 C 6486 2 2 5W R19 C 6486 2 2 5W R20 C 6486 2 2 5W R21 C 7778 1 5 6 flame proof R22 C 7779 9 22 flame proof R23 C 6844 2 250 Pot LS Bias R24 A10266 1331 13K R25 A10266 2221 2 2K R26 C 6844 2 250 Pot HS Bias R27 A10266 3911 390 R2...

Страница 25: ...711 470 R11 A10266 2R73 2 7 1W R12 A10266 1204 12 2W R13 A10266 7501 75 R14 A10266 1204 12 2W R16 C 6486 2 2 5W R17 C 6486 2 2 5W R19 C 6486 2 2 5W R20 C 6486 2 2 5W R21 C 7778 1 5 6 5W Flame Proof R22 C 7779 9 22 5W Flame Proof R23 C 6844 2 250 Pot LS Bias R24 A10266 1331 13K R25 A10266 2221 2 2K R26 C 6844 2 250 Pot HS Bias R27 A10266 3911 390 R28 A10266 1331 13K R29 A10266 5101 51 R30 A10265 10...

Страница 26: ...1 A10266 2R73 2 7 1W R12 A10266 1204 12 2W R13 A10266 7501 75 R14 A10266 1204 12 2W R16 C 6486 2 2 5W R17 C 6486 2 2 5W R19 C 6486 2 2 5W R20 C 6486 2 2 5W R21 C 7778 1 5 6 5W Flame Proof R22 C 7779 9 22 5W Flame Proof R23 C 6844 2 250 Pot LS Bias R24 A10266 1331 13K R25 A10266 2221 2 2K R26 C 6844 2 250 Pot HS Bias R27 A10266 3911 390 R28 A10266 1331 13K R29 A10266 5101 51 R30 A10265 10201 102 R3...

Страница 27: ... D207 C 2851 1 1N4004 D108 D208 C 3181 2 1N4148 D109 D209 C 3181 2 1N4148 D110 D210 C 3181 2 1N4148 D111 D211 C 5061 4 1N3070 D112 D212 C 3181 2 1N4148 D113 D213 C 3181 2 1N4148 D114 D214 C 3181 2 1N4148 D115 D215 C 3181 2 1N4148 D120 D220 C 3181 2 1N4148 D121 D221 C 3181 2 1N4148 D122 D222 C 3181 2 1N4148 D123 D223 C 5061 4 1N3070 NETWORK RESISTORS N100 N200 D 4669 4 Balanced Input Trim N101 N201...

Страница 28: ...0266 2721 2 7K R149 R249 C 7781 5 200 OHM R150 R250 A10266 2721 2 7K R151 R251 A10266 1031 10K R152 R252 A10266 1231 12K R154 R254 A10266 1011 100 OHM R156 R256 A10266 1321 1 3K R157 R257 A10266 1321 1 3K R158 R258 A10266 9121 9 1K R159 R259 A10266 1031 10K R161 R261 A10266 4701 47 OHM R162 R262 A10266 4701 47 OHM R165 R265 A10265 53611 5 36K 1 R146 R246 A10265 53611 5 36K 1 R167 R267 A10266 1021 ...

Страница 29: ...uF DIODES D1 C 2851 1 1N4004 D2 C 2851 1 1N4004 D3 C 2851 1 1N4004 D4 C 2851 1 1N4004 D5 C 2851 1 1N4004 D6 C 2851 1 1N4004 D7 C 2851 1 1N4004 D104 D204 C 2851 1 1N4004 D105 D205 C 2851 1 1N4004 D106 D206 C 2851 1 1N4004 D107 D207 C 2851 1 1N4004 D108 D208 C 3181 2 1N4148 D109 D209 C 3181 2 1N4148 D110 D210 C 3181 2 1N4148 D111 D211 C 5061 4 1N3070 D112 D212 C 3181 2 1N4148 D113 D213 C 3181 2 1N41...

Страница 30: ...266 1031 10K R147 R247 C 7781 5 200 OHM R148 R248 A10266 2721 2 7K R149 R249 C 7781 5 200 OHM R150 R250 A10266 2721 2 7K R151 R251 A10266 1031 10K R152 R252 A10266 1231 12K R153 R253 C 5869 2 ZERO OHM R156 R256 A10266 1321 1 3K R157 R257 A10266 1321 1 3K R158 R258 A10266 9121 9 1K R159 R259 A10266 1031 10K R161 R261 A10266 4701 47 OHM R162 R262 A10266 4701 47 OHM R167 R267 A10266 1021 1K R168 R268...

Страница 31: ...148 C248 C 6810 3 180pF C 149 C249 C 6808 7 470pF C152 C252 C 6809 5 220pF C153 C253 C 6804 6 1uF DIODES D1 C 2851 1 1N4004 D2 C 2851 1 1N4004 D3 C 2851 1 1N4004 D4 C 2851 1 1N4004 D5 C 2851 1 1N4004 D6 C 2851 1 1N4004 D7 C 2851 1 1N4004 D8 C 3181 2 1N4148 D9 C 3549 0 1N916B 10V D104 D204 C 2851 1 1N4004 D105 D205 C 2851 1 1N4004 D106 D206 C 2851 1 1N4004 D107 D207 C 2851 1 1N4004 D108 D208 C 3181...

Страница 32: ... R129 R229 A10266 1041 100K R130 R230 A10266 1041 100K R131 R231 A10266 1031 10K R132 R232 C 5062 2 100K TRIMMER R133 R233 A10266 2741 270K R134 R234 A10266 1231 12K R135 R235 C 7782 3 100 OHM R136 R236 A10266 6821 6 8K R137 R237 C 7782 3 100 OHM R138 R238 A10266 6821 6 8K R139 R239 A10266 1021 1K R140 R240 A10266 8201 82 OHM R141 R241 A10266 1541 150K R142 R242 A10266 1541 150K R146 R246 A10266 1...

Страница 33: ...J100 J200 C 6777 4 PHONE JACK J500 J800 D 6619 7 10 RIBBON ASSY J600 J700 D 6620 5 6 RIBBON ASSY MISC BOARD D 7251 8 MOUNTS U1 U2 2 C 1889 2 6 32 NUT 2 C 2176 3 6 32 X 5 SCREW 2 C 5341 0 HEATSINK 2 C 5594 4 STAR WASHER MOUNTS U104 U204 2 C 3450 1 14 PIN SOCKET COVERS FOR J100 J200 2 C 6778 2 Phone Jack Cover STRAIN RELIEF 4 C 1811 6 CABLE TIE Q42818 7 Main Module Parts List D 7251 8 Board ...

Страница 34: ...10 3 180pF C149 C249 C 6808 7 470pF C150 C250 C 6806 1 01µF Q43059 7 Main Module Parts List D 7993 5 Board C151 C251 C 6806 1 01µF C152 C252 C 6950 7 82pF 5 C153 C253 C 8897 8 1µF C154 C254 C 8426 6 1µF 250V C155 C255 C 8897 8 1µF C156 C256 C 8897 8 1µF C157 C257 C 6806 1 01µF DIODES D1 C 2851 1 1N4004 D2 C 2851 1 1N4004 D3 C 2851 1 1N4004 D4 C 2851 1 1N4004 D5 C 2851 1 1N4004 D6 C 2851 1 1N4004 D...

Страница 35: ...4 R234 A10266 1232 12K 5W R135 R235 C 7782 3 100 Flame Proof R136 R236 A10266 6821 6 8K R137 R237 C 7782 3 100 Flame Proof R138 R238 A10266 6821 6 8K R139 R239 A10266 8211 820 R140 R240 A10266 6801 68 R141 R241 A10266 1541 150K R142 R242 A10266 1541 150K R143 R243 A10266 1041 100K R144 R244 A10266 1041 100K R145 R245 A10266 1851 1 8M R146 R246 A10266 1031 10K R147 R247 C 7781 5 200 5W Flame Prf R1...

Страница 36: ...21 10K R919 R1019 A10266 10021 10K R920 R1020 A10266 10021 10K R921 R1021 C 9079 2 200 Pot CMR Null SWITCHES S2 C 7325 1 Ground Lift S3 C 7960 5 Sensitivity S4 C 6781 6 Stereo Mono IC S U1 C 5095 2 UA7815 U2 C 5096 0 UA7915 U100 U200 C 6911 9 UPA75 U101 U201 C 4345 2 LM339 U102 U202 C 4345 2 LM339 U103 U203 C 6910 1 UPA76 U104 U204 C 7558 7 MC33079P MISC Board D 7993 5 Socket C 3450 1 14 Pin Nut A...

Результаты поиска

Содержание 800 CSL

Отзывы:

Похожие инструкции для 800 CSL

Бренды по названию

Популярные бренды

Crown 800 CSL, Руководство по обслуживанию

Результаты поиска

Содержание 800 CSL

Отзывы:

Похожие инструкции для 800 CSL

Бренды по названию

Популярные бренды