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BB10022

ZENER DIODE 500MW 24VOLT 1

ZD11, ZD14

BC0217

DIODE BRIDGE 1.5A 400V W04

BR1

BC10003

RECTIFIER MUR1640CT XD04-

D46, D60, D45, D50

BC10004

BRIDGE REC 35A 600V

BR2

BD0364

BF422 NPN TRANS

TR8, TR35, TR36, TR9, TR52,
TR21, TR22, TR47

BD0365

BF423 PNP TRANS

TR16, TR17, TR18, TR19,
TR45, TR42, TR41, TR39,
TR40, TR12

BD0373

MJ15024 NPN POWER TRANS TO3 @

TR27, TR11, TR56, TR57,
TR37, TR51, TR60, TR61

BD0374

MJ15025 PNP POWER TRANS TO3 @

TR48, TR34, TR58, TR59,
TR14, TR29, TR62, TR63

BD0394R

TRANSISTOR BC546BT NPN TAPED

TR20, TR38, TR67, TR1, TR5,
TR7, TR55, TR23

BD0395R

TRANSISTOR BC556BT PNP TAPED

TR44, TR13, TR6, TR4, TR53

BD0396

OPTO TRANSISTOR CNW11-AV1

OPT1

BD10011

2SA872 TRANSISTOR TO220 CA-TF

TR30, TR31, TR26, TR28

BD10014

MJE5731A TRANSISTOR CA-TF

TR25, TR33, TR46, TR10

BD10020

TIP50 CA-TF

TR43, TR15, TR2

BD10026

TRANS TIP122 TO220 XE01-

TR50

BD10032

IGBT SGL50N60RUFD-TO264 XF07-

TR24, TR32

BD10042

ZTX651 NPN TRANSISTOR

TR49, TR64

BD10043

ZTX751 PNP TRANSISTOR

TR3, TR54, TR66, TR65

BE0403

TL074CN QUAD OP AMP

IC2

BE0417

V.REG 7915 -15V 1A

IC8

BE0428

NE5532P/NJM5532D DUAL OP AMP @

IC5, IC4

BE0503

TL431 SHUNT REGULATOR

BE10012

LM35-DZ ( SRX ) IC CA-TF

IC9, IC10

BE10030

V.REG 7815 +15V 1A

IC7

BK10008

IC MICROC PIC16C57-04P XG04-

IC1

BS0005R-SOT23 BAV99 SM DIODE

D1, D2, D5, D6, D7, D8

BS0506R-SOT23 NPN TRANS BC846B

TR2

BS10043

ANALOG SW.DG411 QUAD SM

IC2

BS7001R-SO8

TL072CD SM DUAL OP AMP #

IC8

BS7009R-SO8

NE5532 SM DUAL OP AMP #

IC1, IC3

BZ10000

(A) PWM CONT SG3525AN XF04-

IC6

BZ10002

!THERMISTOR MAIN VOLTAGE CA-DB

TH1

CA0026

M/LAYER CAP .1UF 63V

C31, C32, C153, C154, C36,
C82, C19, C93, C155, C157,
C92, C156, C94, C109, C158,

Содержание Pulse 2X1100

Страница 1: ...AIN 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 ar...

Страница 2: ...W resistor is recommended for this Hold the resistor with pliers as the resistor may become extremely hot CAUTION Under load with a sine wave signal at full power into both channels the amplifier may...

Страница 3: ...supplies of the SMPS are off and both soft start relays are open Immediately after being told to start the IGBT s are producing a power square wave which is applied to the power transformer initially...

Страница 4: ...V Hence for the same 50V DC offset described earlier one would expect no voltage drop across any of R212 R188 or R189 indicating that the feedback is attempting to correct the fault Likewise for a neg...

Страница 5: ...s the changeover happening at about 55 C R9 and ZD2 produce a reference voltage of 9 1V at the cathode of ZD2 This is divided by R18 R19 to give about 5 5V at pin 12 the non inverting input which is c...

Страница 6: ...rwards about inch be careful it is a tight fit and then lift up and away from the chassis After removing the PCB from the chassis discharge the power supply capacitors For C75 use a 1k 5W resistor For...

Страница 7: ...ts with a DVM set to Ohms range 4 Remove AC mains 5 Discharge the power supply capacitors For C75 use a 1k 5W resistor For the bulk reservoir capacitors use a 10k 5W resistor 6 Check the soft start re...

Страница 8: ...de of PCB 3 Use a 60V DC bench supply current limited Connect it across C75 with 60V to point B and Gnd to point A see Diagram 2 Fit a switch switched off across pins 4 and 5 of OPTO1 be very careful...

Страница 9: ...on the DC supply Wait a second and then switch the opto The current should go up to about 110 mA If it goes rather high you have a fault 5 Using the oscilloscope check pins 11 and 14 of the SG3525 Th...

Страница 10: ...on Diagram 2 You should see a switching waveform similar to that shown below 7 Some examples of incorrect waveforms are shown below along with the likely area of failure The waveform below is commonly...

Страница 11: ...waveform below is typical of an overdrive fault 2x1100 version only This may be caused by a faulty IRF540 or in the BC546 BC556 BF422 transistors in the FET drive section Or it may be a result of brea...

Страница 12: ...this monitor the middle pin of the IGBT marked F on Diagram 2 You should have a waveform similar to that shown below 9 Move the oscilloscope s Gnd reference to the normal ground point of the amplifier...

Страница 13: ...wave outputs from the transformer at the points shown in green on Diagram 3 Diagram 3 View from solder side of PCB 10 The waveforms should be similar to those shown below For MT...

Страница 14: ...For HT For 15V Note the gain on the V Div has been increased to give a better view...

Страница 15: ...o the amplifier 5 The unit should go through its normal start up procedure Once it has stopped flashing move the Operate switch to the ON position The amplifier s power supply should start up after ap...

Страница 16: ...rotect mode there is another fault in one or more channels If the unit powers up correctly inject a 1 kHz 1 5 dBu signal into Channel 1 Monitor the output off load for a clean sine wave 11 Then use th...

Страница 17: ...each channel for a while 1 Load the output to 4 ohms 2 Turn the level control to maximum 3 Inject a 5 dBu 100Hz sine wave signal into each channel s input and check for heavily clipped output Run for...

Страница 18: ...hen turn the amplifier off immediately and search for power supply or output failure If quiescent draw exceeds expectation by a small amount check bias immediately 3 2 4 Sensitivity Gain 1 kHz Sine Wa...

Страница 19: ...nput with a 600 ohm load Using a 20 to 20 000 Hz bandpass filter measure the noise on the output of the channel under test Noise is measured relative to power output at 8 ohms 56 6 Vrms 400W for the 2...

Страница 20: ...z Operation Test Pass 3KVA z Leakage Test Pass 3 mA 2002 2005 Crown Audio Inc...

Страница 21: ...01 2 R142 R28 AJ10003 RES 10K 5 5W VERT XA01 2 R30 R102 AM10001 RES 47R 5 17W XA02 1 R16 AP1301 MF 0 25W RES 1 10R BL 1 R25 AP1309 MF 0 25W RES 1 22R BL 6 R80 R126 R64 R138 R141 R67 AP1319 MF 0 25W RE...

Страница 22: ...0805 RES 100K 1 0 1W T200 3 R60 R38 R35 AS0113R 0805F SM0805 RES 11K 1 0 1W T200 4 R4 R11 R3 R10 AS0152R 0805F SM0805 RES 1K5 1 0 1W T200 4 R34 R37 R56 R49 AS0432R 0805F SM0805 RES 4K3 1 0 1W T200 7 R...

Страница 23: ...MJE5731A TRANSISTOR CA TF 4 TR25 TR33 TR46 TR10 BD10020 TIP50 CA TF 3 TR43 TR15 TR2 BD10026 TRANS TIP122 TO220 XE01 1 TR50 BD10032 IGBT SGL50N60RUFD TO264 XF07 2 TR24 TR32 BD10042 ZTX651 NPN TRANSISTO...

Страница 24: ...V 1U XC09 2 C38 C62 CC10078 POLY CAP 400V 470N XC09 2 C60 C61 CE0403 VERT ELEC 0 2 TPD 100UF 10V SK 5 C37 C85 C64 C17 C18 CE0445 VERT ELEC 1UF 63V SKP 3 C52 C66 C101 CE0462 VERT ELEC 10UF 63V 5X11MMSK...

Страница 25: ...84G 2 CN2 CN3 FJ10005 IEC FILTERED 10AMP CONN XL02 1 CN1 FJ8019 LEAD 10A USE FJ8016 17 18 1 FK0986 XLR CON FML R A CHAS PIN MTL 2 CN6 CN7 FK0987 XLR CON ML R A CHAS PIN MTL 2 CN4 CN5 HB10042 TRANS 24...

Страница 26: ...ZI BLK Y CUT 4 NA10002 M3 6 PAN POZI TAPTITE ZN XW02 4 NA10015 M3X16 PAN POZI SCR BZP CA FI 32 NA10042 M3X16 SCREW BZP HEX CA FI 2 NA10045 M4X6 PAN POZI SCR BLK CA FI 4 NA10047 M3X10MM P P ZINC CA FI...

Страница 27: ...0 1 R C650B 02 AF 650 FRONT PANEL PCB ASSY R 650 1 R C650B 02 SC 650 FRONT PANEL PCB SC R 650 1 R C650B 02 SM 650 FRONT PANEL PCB SM R 650 1 R CR650C 01 AF CROWN 650 REAR PANEL PCB ASSY 1 S C650A 04 P...

Страница 28: ...0V PCB MNT 1 ZD0334 20MM S ENC PCB MNGT FUSEHOLDER 2 ZD10000 FUSE 20MM T200MA XM01 1 ZD10002 FUSE 20MM T500MA XM01 1 ZD10014 FUSE 6 3 AMP S D SLOW T CA EL 1 ZE10007 CER RESONATOR 3 58MHZ XI01 1 XT1 ZM...

Страница 29: ...127 R145 AM10001 RES 47R 5 17W XA02 1 R14 AP1301 MF 0 25W RES 1 10R BL 5 R27 R258 R235 AP1309 MF 0 25W RES 1 22R BL 2 R80 R157 AP1319 MF 0 25W RES 1 56R BL 22 R88 R151 R173 R139 R140 R58 R59 R73 R107...

Страница 30: ...100K BL 15 R183 R191 R72 R71 R10 R12 R53 R259 R229 R221 R207 R208 R209 R218 R244 AP1405 MF 0 25W RES 1 220K BL 6 R153 R67 R158 R77 R11 R45 AP1421 MF 0 25W RES 1 1M BL 9 R60 R182 R62 R190 R1 R4 R2 R3 R...

Страница 31: ...BD0364 BF422 NPN TRANS 12 TR11 TR37 TR38 TR12 TR61 TR32 TR33 TR58 TR64 TR66 TR67 TR86 BD0365 BF423 PNP TRANS 14 TR18 TR19 TR20 TR21 TR55 TR54 TR53 TR51 TR52 TR16 TR63 TR65 TR74 TR62 BD0373 MJ15024 NP...

Страница 32: ...OR MAIN VOLTAGE CA DB 1 TH1 CA0026 M LAYER CAP 1UF 63V 18 C98 C90 C86 C86 C97 C105 C101 C102 C117 C144 C13 C36 C26 C27 C30 C31 C35 CA0027 M LAYER CRMC CAP 10N 100V 4 C2 C3 C4 C5 CA0030 M LAYER CRMC CA...

Страница 33: ...IC 10 C149 C150 C58 C79 C3 C9 C4 C10 C16 C43 CE10033 ELEC L 63V 220UF 105 C XC06 4 C74 C82 C126 C132 CS1221R 1206J CAP CRMC 220PF 5 50V NP0 4 C25 C26 C27 C28 CS7104R 1206K CAP CRMC 100NF 10 50V X7R 5...

Страница 34: ...00A 01 TRANSFORMER FET DRIVER W 1 TX4 H C300B 01 CHOKE COM MODE E251 1 L1 H C300E 01 CHOKE PULSE OUTPUT 2 L1 L2 J C300A 01 LIGHTPIPES 8 1 PULSE WAS J 1 J C300B 01 LIGHTPIPE LARGE PULSE WAS J 1 JS0004...

Страница 35: ...XW13 4 N B966B 01 ADHESIVE STRIP 10X10 966 WAS N 11 NC0221 M3 S PROOF WASHER 6 NC0256 M3 PLAIN WASHER 3 NC10018 WASHER PLAS 9 5X4 75X0 5 XW07 8 NC10022 M4 SPRING WASHER STL BZP 32 ND10004 PILLAR META...

Страница 36: ...GRIP BAG SMALL 4 X 8IN XT01 1 TZ10004 POLYBAG 26X24X250 GAUGE CA MI 1 ZA0395 01 FCC LABEL SELF ADH 70X15 1 ZA10004 STICKER SAFETY EARTH XT03 1 ZA10020 LABEL SHOCK MOISTURE XT03 1 ZA10027 LABEL UL STD...

Страница 37: ...VERT XA01 2 R30 R102 AM10001 RES 47R 5 17W XA02 1 R16 AP1301 MF 0 25W RES 1 10R BL 1 R25 AP1309 MF 0 25W RES 1 22R BL 4 R215 R80 R216 R252 AP1319 MF 0 25W RES 1 56R BL 28 R221 R261 R262 R263 R179 R18...

Страница 38: ...9 R27 R178 R161 R164 R182 R298 AP1377 MF 0 25W RES 1 15K BL 1 R160 AP1380 MF 0 25W RES 1 20K BL 24 R186 R273 R212 R191 R50 R72 R76 R55 R145 R157 R133 R219 R62 R152 R265 R255 R198 R280 R12 R13 R14 R15...

Страница 39: ...54 D56 D7 D8 D19 D22 D10 D30 D31 D42 D9 D43 D12 D29 D37 D38 D24 D27 D14 D15 D6 D35 D5 D36 D33 D16 D82 D83 D58 D59 D70 D72 D49 D80 D48 D81 D61 D77 D3 D4 D2 D47 D21 BA0025 DIODE FAST 400V 1 7A BYD73G 9...

Страница 40: ...731A TRANSISTOR CA TF 8 TR71 TR59 TR25 TR10 TR33 TR46 TR78 TR91 BD10020 TIP50 CA TF 5 TR88 TR43 TR15 TR63 TR2 BD10026 TRANS TIP122 TO220 XE01 1 TR50 BD10032 IGBT SGL50N60RUFD TO264 XF07 2 TR24 TR32 BD...

Страница 41: ...C162 CC0238 MICRO BOX 5MM 5 63V 1N 5 C163 C164 C165 C166 C102 CC0242 MICRO BOX 5MM 5 63V 4N7 4 C116 C47 C24 C26 CC0244 MICRO BOX 5MM 5 63V 10N 8 C2 C3 C4 C5 C8 C9 C10 C11 CC0246 MICRO BOX 5MM 5 63V 22...

Страница 42: ...0006 SWITCH SLIDE DPDT 30A NO LE 2 SW1 SW2 DZ10012 RELAY SPCO 16A 48V XK06 2 RLY1 RLY2 FA10002 40W IDC CONN SIDE EJECT XL04 1 CN11 FA10003 34W IDC CONN SIDE EJECT XL04 1 FF0728 28WY DIL IC SKT DUAL WI...

Страница 43: ...F LIVE 4 8 POT KNOB GREY 4 KZ10000 POT COVER PULSE XV02 4 LA0008 7 0 2 RED WIRE 0 16 LA0041 16 0 2 GREEN YELLW WIRE 0 48 LA0051 1 0 6 SINGLE STRAND WIRE PINK 0 22 L B100A 02 EARTH WIRE MAINS TO CHASS...

Страница 44: ...8 NC10018 WASHER PLAS 9 5X4 75X0 5 XW07 8 NC10022 M4 SPRING WASHER STL BZP 32 ND10004 PILLAR METAL M3X10MM XW10 2 ND10025 SPACER F PANEL PULSE XW10 4 ND10027 SPACER NYLON FAN SCREW XW10 4 ND10040 SPA...

Страница 45: ...4 XT01 1 TZ10002 GRIP BAG SMALL 4 X 8IN XT01 1 TZ10004 POLYBAG 26X24X250 GAUGE CA MI 1 ZA0395 01 FCC LABEL SELF ADH 70X15 1 ZA10004 STICKER SAFETY EARTH XT03 1 ZA10020 LABEL SHOCK MOISTURE XT03 1 ZA10...

Страница 46: ...ZM10091 01 MANUAL CROWN P4X300 V1 0 1 ZZ2893R FILTER 100PF RFI TAPED 8 RF1 RF2 RF3 RF4 RF5 RF6 RF7 RF8...

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