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Macro-Tech 600 Amplifier Service Manual

MACRO-TECH

-600

POWER AMPLIFIER

SERVICE MANUAL

K-SVCMA6

2-96

Macro-Tech

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 Macro tech 600

Страница 1: ...R AMPLIFIER SERVICE MANUAL K SVCMA6 2 96 Macro Tech 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...

Страница 2: ...SS 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 o...

Страница 3: ...2 Q42855 9 Display Module Parts List 23 Q43433 4 Display Module Parts List 24 Q42647 0 Output Module Parts List 25 Q42717 1 Output Module Parts List 26 Q42871 6 Output Module Parts List 27 Q42968 0 Ou...

Страница 4: ...sts Schematics are attached Note that com ponent parts with circuit board comprise a complete module Module part numbers are always associated with a specific circuit board although an unpopulated cir...

Страница 5: ...a 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 Thelastc...

Страница 6: ...evice Emulation Protec tion ODEP limits drive in the event of dangerous dynamicthermalconditionswithoutinterruptingpower Current limiting for shorted load protection DC LF and common mode output curre...

Страница 7: ...The following chart indicates which jumpers are used for different voltages Note that the fuses and transmotor may need to be changed to accommodate different voltages Versions with the voltage select...

Страница 8: ...otary type Front panel indicators let the user know the status of the low voltage power supply enable an ODEP indicator for each channel which shows the reserve energy status and a SPI IOC indicator f...

Страница 9: ...ontrol protection transistors The ODEP transistors steal drive as dictated by the ODEP circuitry discussed later The control protec tion transistors act as switches to totally shunt audio to ground du...

Страница 10: ...PNP One difference is that the PNP bias resistor is slightly Theory Vcc Positive Rail Vcc Negative Rail Load speaker Input signal HIGH SIDE LOW SIDE Inverting Op amp Figure 2 Crown Patented Grounded...

Страница 11: ...er a peak to peak voltage to the speaker load which is twice the voltage produced by the power supply Benefits include full utilization of the power supply it conducts current during both halves of th...

Страница 12: ...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 BRI...

Страница 13: ...ormally be performed within 2 minutes of turn on from ambient cold conditions If possible measure heatsink temperature if not mea sure ambient room temperature Use this information when referencing th...

Страница 14: ...nject a 20 kHz sine wave with 33 VAC output for 10 seconds Procedure Inductive Load each channel to 8 ohms in parallel with 159 Henries Inject a 1 kHz sine wave with 15 VAC output for 10 seconds Test...

Страница 15: ...quency Initial Conditions Controls per standard Procedure No load Inject a 0 5 Hz 6 volt peak to peak square wave or a 2 Hz 6VAC sine wave into each channel and verify that each channel cycles into mu...

Страница 16: ...ive output 6 dB into clip for 10 seconds The amplifier should not activate any protective circuits ODEP Fault or LF Protection Post Testing After completion of testing if all tests are satisfactory th...

Страница 17: ...8 A10101 19 500OD x 195ID Fiber Washer 4 H42873 2 Transmotor 120V 60Hz Only 1 H43068 8 Transmotor 100V Units Only 1 H43407 8 Transmotor 120V 50Hz Only 1 H43061 3 Transmotor 200 240V Units Only 1 D 843...

Страница 18: ...with fins 2 Back Panel Assembly CPN ITEM QTY M45491 4 MA 600 1200 Back Panel Assembly 1 D 7074 4 Power Cord US Version 1 A10793 0503B Power Cord European Version 1 A10214 7 Strain Relief 1 C 2823 0 D...

Страница 19: ...Connector 1 D 7623 8 10 22AWG Cable with Terminals 1 H42918 5 Display Ribbon Cable 3 Cond 8 1 C 6965 5 Screw 6 32 X 1562 PH Binder HD 4 A10086 10604 Screw 6 32 X 25 RDHD 3 A10086 70806 Screw 8 32 X 3...

Страница 20: ...7911 7 board No longer available use Q43032 4 as service replacement Q43039 9 Main module on D 7993 5 board No longer available use Q43032 4 as service replacement Q43032 4 Main module on D 7993 5 bo...

Страница 21: ...ard 1 Q42862 5 Channel 2 Fuse Module CPN Item Qty A10124 24 24 Solid Buss Wire 7 A10266 1001 10 Ohm 25W 5 Res 1 C 2851 1 1N4004 Diode 1 C 5060 6 PC Mount Fuse Clip 2 C 7526 4 3 Pos 1 Center Header 1 C...

Страница 22: ...605 D 2961 7 Sel 2N3859 Q506 Q606 C 3954 2 MPSA56 Resistors R501 R601 C 3198 6 1M R502 R602 C 4346 0 33K R503 R603 C 2885 9 270K R504 R604 C 2631 7 10K R505 R605 C 1053 5 1K 5W R506 R606 C 1036 0 2 2K...

Страница 23: ...E602 C 4342 9 Amber E701 C 4342 9 Amber Transistors Q501 Q601 C 3625 8 2N4125 Q502 Q602 D 2961 7 Sel 2N3859 Q503 Q603 D 2961 7 Sel 2N3859 Q504 Q604 C 3625 8 2N4125 Q506 Q606 C 3954 2 MPSA56 Resistors...

Страница 24: ...N4148 D701 C 8235 1 1N6263 LED s E501 E601 C 7863 1 Green E502 E602 C 4342 9 Amber E701 C 4342 9 Amber Transistors Q501 Q601 C 3625 8 2N4125 Q502 Q602 D 2961 7 Sel 2N3859 Q503 Q603 D 2961 7 Sel 2N3859...

Страница 25: ...FP R03 C 6486 2 2 5W R04 C 6486 2 2 5W R06 C 6486 2 2 5W R07 C 6486 2 2 5W R09 C 7779 9 22 FP 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...

Страница 26: ...6486 2 2 5W R09 C 7779 9 22 FP 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 648...

Страница 27: ...R09 C 7779 9 22 FP 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 R1...

Страница 28: ...C 6486 2 2 5W R09 C 7779 9 22 FP 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...

Страница 29: ...C 6486 2 2 5W R09 C 7779 9 22 FP R10 A10266 4711 470 R11 A10266 2R74 2 7 2W 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 6...

Страница 30: ...D5 C 2851 1 1N4004 D6 C 2851 1 1N4004 Q42666 0 Main Module D 6721A9 board Parts List 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...

Страница 31: ...00 7 200 R150 R250 C 5168 7 2 7K R151 R251 C 2631 7 10K R152 R252 C 2878 4 12K R154 R254 C 2872 7 100 R156 R256 C 3144 0 1 3K R157 R257 C 3144 0 1 3K R158 R258 C 5878 1 9 1K R159 R259 C 2631 7 10K R16...

Страница 32: ...N4004 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 1N961B D104 D204 C 2851 1 1N4004 D105 D205 C 2851 1 1N4004 D106 D206...

Страница 33: ...C 5062 2 100K R133 R233 C 2885 9 270K R134 R234 C 1075 8 18K R135 R235 C 2872 7 100 R136 R236 C 5166 1 6 8K R137 R237 C 2872 7 100 R138 R238 C 5166 1 6 8K R139 R239 C 2627 5 1K R140 R240 C 3960 9 82...

Страница 34: ...5 6 Inch Ribbon Cable C 1889 2 6 32 Hex Nut C 2176 3 6 32 x 5 Screw C 3450 1 14 Pin Socket C 4508 5 16 Pin Socket C 5341 0 TO220 Heatsink C 5594 4 6 Internal Star Washer J100 J200 C 6777 4 1 4 Phone...

Страница 35: ...N4004 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 1N961B D104 D204 C 2851 1 1N4004 D105 D205 C 2851 1 1N4004 D106 D206...

Страница 36: ...C 5062 2 100K R133 R233 C 2885 9 270K R134 R234 C 1075 8 18K R135 R235 C 2872 7 100 R136 R236 C 5166 1 6 8K R137 R237 C 2872 7 100 R138 R238 C 5166 1 6 8K R139 R239 C 2627 5 1K R140 R240 C 3960 9 82...

Страница 37: ...J800 D 6619 7 10 Inch Ribbon Cable J600 J700 D 6620 5 6 Inch Ribbon Cable C 1889 2 6 32 Hex Nut C 2176 3 6 32 x 5 Screw C 3450 1 14 Pin Socket C 4508 5 16 Pin Socket C 5341 0 TO220 Heatsink C 5594 4...

Страница 38: ...250 OPEN C151 C251 OPEN C152 C252 C 6809 5 220pF C153 C253 C 6804 6 1 F 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 28...

Страница 39: ...227 A10266 6821 6 8K R128 R228 A10266 1031 10K R129 R229 A10266 1041 100K R130 R230 A10266 1041 100K R131 R231 A10266 1031 10K R132 R232 C 5062 2 100K Trim R133 R233 A10266 2741 270K R134 R234 A10266...

Страница 40: ...J9 C 7527 2 HDR 6 PIN J10 C 7592 6 HDR 4 PIN J11 C 7526 4 HDR 3 PIN J100 J200 C 6777 4 PH JACK J500 J800 D 6619 7 10 Ribbon J600 J700 D 6620 5 6 Ribbon Misc MOUNTS U1 U2 2 C 1889 2 6 32 NUT 2 C 2176...

Страница 41: ...0 C 6806 1 01 F C151 C251 C 6806 1 01 F C152 C252 C 6950 7 82pF 5 C153 C253 C 8897 8 1 F C154 C254 C 8426 6 1 F 250V C155 C255 C 8897 8 1 F C156 C256 C 8897 8 1 F C157 C257 C 6806 1 01 F Diodes D1 C 2...

Страница 42: ...K R131 R231 A10266 1031 10K R132 R232 C 5062 2 100K Pot ODEP R133 R233 A10266 2741 270K R134 R234 A10266 1832 18K 5W R135 R235 C 7782 3 100 Flame Proof R136 R236 A10266 6821 6 8K R137 R237 C 7782 3 10...

Страница 43: ...1 1M R915 R1015 A10266 3901 39 R916 R1016 A10266 3901 39 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...

Страница 44: ...0 C 6806 1 01 F C151 C251 C 6806 1 01 F C152 C252 C 6950 7 82pF 5 C153 C253 C 8897 8 1 F C154 C254 C 8426 6 1 F 250V C155 C255 C 8897 8 1 F C156 C256 C 8897 8 1 F C157 C257 C 6806 1 01 F Diodes D1 C 2...

Страница 45: ...0K R131 R231 A10266 1031 10K R132 R232 C 5062 2 100K Pot ODEP R133 R233 A10266 2741 270K R134 R234 A10266 1832 18K 5W R135 R235 C 7782 3 100 Flame Proof R136 R236 A10266 6821 6 8K R137 R237 C 7782 3 1...

Страница 46: ...917 R1017 A10266 10021 10K R918 R1018 A10266 10021 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 Sensiti...

Страница 47: ...0 C 6806 1 01 F C151 C251 C 6806 1 01 F C152 C252 C 6950 7 82pF 5 C153 C253 C 8897 8 1 F C154 C254 C 8426 6 1 F 250V C155 C255 C 8897 8 1 F C156 C256 C 8897 8 1 F C157 C257 C 6806 1 01 F Diodes D1 C 2...

Страница 48: ...0K R131 R231 A10266 1031 10K R132 R232 C 5062 2 100K Pot ODEP R133 R233 A10266 2741 270K R134 R234 A10266 1832 18K 5W R135 R235 C 7782 3 100 Flame Proof R136 R236 A10266 6821 6 8K R137 R237 C 7782 3 1...

Страница 49: ...917 R1017 A10266 10021 10K R918 R1018 A10266 10021 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 Sensiti...

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