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22

PART NO.

DESCRIPTION

REFERENCE DESIGNATORS

040-127-00

DIS 22GA BLK 1C 2.SIN QD

400-091-00

TERM ODISC .187 F 18-22GA

610-012-00

WIR 22GA 1007 BLK 2.5 ST2

040-135-00

DIS 18G 1010 GRNYL 4 LGTM

400-172-00

TERM SOLDER-IN 18AWG

611-038-00

WIR 18GA 1010 GN/YL 4 ST2

711-001-00

LUG NO.6 SOLDER STAR

110-065-00

RESISTOR CF, 1/4 WATT

4K7

5%

R179

110-083-00

RESISTOR CF, 1/4 WATT

27K

5%

R178

120-097-00

RESISTOR CF, 1/2 WATT

10K

5%

R99

121-081-00

RESISTOR MF, 1WATT

2K2

5%

R21 R130

123-001-00

RESISTOR MF, 3WATT

.1 OHM 5%

R101

123-009-00

RESISTOR MOF, 3WATT

.22

5%

R22 R24 R166 R170

123-049-00

RESISTOR MOF, 3WATT

10

5%

R64 R100

130-038-00

RES POT TRIM HORIZ

500-B

VR1 VR4

130-043-02

RES POT 9MM HORIZ

10KA

R184

130-044-00

RES POT TRIM VERT

500-B

VR6  

VR5 (REV A)

130-046-00

RES POT TRIM VERT

1K

VR5 (REV B)

130-046-00

RES POT TRIM VERT

1K

VR3

130-052-00

RES POT TRIM VERT

50K

VR2

140-041-00

RESISTOR TF SMT

47

5%

R146

140-053-00

RESISTOR TF SMT

150

5%

R25 R40 R161 R173

140-057-00

RESISTOR TF SMT

220

5%

R3 R9 R162 R175

140-060-00

RESISTOR TF SMT

300

5%

R28 R37 R131 R133 R139

140-065-00

RESISTOR TF SMT

470

5%

R77

140-070-00

RESISTOR TF SMT

750

5%

R6 R90 R168

140-073-00

RESISTOR TF SMT

1K0

5%

R122  R148-149

140-080-00

RESISTOR TF SMT

2K

5%

R20

140-082-00

RESISTOR TF SMT

2K4

5%

R19 R155

140-096-00

RESISTOR TF SMT

9K1

5%

R15

140-097-00

RESISTOR TF SMT

10K

5%

R123

140-104-00

RESISTOR TF SMT

20K

5%

R126

140-109-00

RESISTOR TF SMT

30K

5%

R1 R10 R160 R177

140-123-00

RESISTOR TF SMT

100K

5%

R111 R116 R125

145-162-00

RESISTOR MF SMT

47R5

1%

R29-30 R33-34 R59 R74 R79 R134-135
R140-141

145-193-00

RESISTOR MF SMT

100

1%

R62-63 R158

145-204-00

RESISTOR MF SMT

130

1%

R80

145-226-00

RESISTOR MF SMT

221

1%

R157

145-239-00

RESISTOR MF SMT

301

1%

R67 R71 R103-104

145-269-00

RESISTOR MF SMT

619

1%

R32

145-285-00

RESISTOR MF SMT

909

1%

R124

145-289-00

RESISTOR MF SMT

1K00

1%

R35 R49 R95 R137

145-293-00

RESISTOR MF SMT

1K10

1%

R118 

R73 (REV A)

145-294-00

RESISTOR MF SMT

1K13

1%

R96

145-300-00

RESISTOR MF SMT

1K30

1%

R73 (REV B)

145-306-00

RESISTOR MF SMT

1K50

1%

R75 R138

145-314-00

RESISTOR MF SMT

1K82

1%

R14 R43 R47 R70 R102 R195

145-326-00

RESISTOR MF SMT

2K21

1%

R5 R169

145-331-00

RESISTOR MF SMT

2K49

1%

R11 R26-27 R39 R53 R119 R159 R164 R174
R176

145-338-00

RESISTOR MF SMT

2K94

1%

R55 R97

145-339-00

RESISTOR MF SMT

3K01

1%

R13

145-346-00

RESISTOR MF SMT

3K57

1%

R94

145-354-00

RESISTOR MF SMT

4K32

1%

R84

PCB Assy 055-094-00 Rev A and B 

(A/B differences marked in bold print)

Summary of Contents for HR824

Page 1: ...HR824 High Resolution Active Studio Monitor SERVICE MANUAL 1999 MACKIE DESIGNS INC 820 183 00 Page 3 is interactive...

Page 2: ...s num riques de class A de class B selon le cas prescrites dans le r glem ent sur le brouillage radio lectrique dict par les m inistere des com m unications du Canada This equipm ent has been tested a...

Page 3: ...SEMBLY A7 A13 SHIPPING When shipping this speaker make sure that all the original packaging is used including both the inner and outer boxes and especially the thin white sheet material If shipped in...

Page 4: ...TECHNICAL ASSISTANCE Mackie Designs Service Technical Assistance is available 8AM 5PM PST Monday through Friday for Authorized Mackie Service Centers at 1 800 258 6883 Feel free to call with any quest...

Page 5: ...ERVIEW The HR824 Studio Monitors are two way bi amplified active monitors with a rear firing passive radiator One amplifier drives the woofer and another drives the tweeter The crossover point is desi...

Page 6: ...o the monitor MAINS INPUT Connect the power cord to this IEC socket and plug the other end into your AC outlet IMPORTANT For safety reasons the AC source must be a 3 prong outlet with hot neutral and...

Page 7: ...POWER MODE switch in the AUTO ON position the front panel ON OFF switch turns the HR824 on and off as long as there is a signal present OL overload LED This LED blinks when the amplifiers begin to cli...

Page 8: ...rrofluid cooled voice coil Passive Radiator 6 inch x 12 inch 152mm x 305mm mass loaded elliptical flat piston Acoustic Section Free Field Frequency Response 1 5 dB 39Hz to 20kHz Lower cutoff frequency...

Page 9: ...9 BLOCK DIAGRAM...

Page 10: ...EETER TWEETER BLACK WHITE BLUE PCB GROUND GD1 TO REAR COVER TO BRACKET PCB GROUND GD2 TRANSFORMER WAVEGUIDE PCB WAVEGUIDE PCB J11 PCB J8 PCB J9 SWITCH J4 4 J9 J8 BRN RED GRY RED J4 5 BRN YEL YELLOW FO...

Page 11: ...he woofer gasket comes with the tweeter gasket and a little tiny gasket for the LEDs The gaskets must be replaced whenever the woofer tweeter or the LED assembly is changed INNER BOX OUTER BOX INNER B...

Page 12: ...SSY 080 039 00 120 VAC 080 039 01 230 VAC 080 039 02 100 VAC PASSIVE RADIATOR ASSEMBLY 080 029 00 PASSIVE RADIATOR GASKET 780 110 00 TWEETER FOAM 810 052 00 WIRING HARNESS 080 046 00 WOOFER FOAM 810 0...

Page 13: ...EQUIPMENT The amplifer performance must be tested into resistive loads 4 ohm 200 watt resistor for the low frequency amplifier 8 ohm 200 watt resistor for the high frequency amplifier Other equipment...

Page 14: ...13 56V E34 R24 EMITTER END R22 EMITTER END R170 EMITTER END R166 EMITTER END NOTE INSTEAD OF USING J1 YOU CAN MEASURE THE BIAS ACROSS THE EMITTER ENDS OF R22 AND R24 AS SHOWN NOTE INSTEAD OF J6 YOU CA...

Page 15: ...5 is your time portal vortex to another realm of audio excitement If you have a suitable connector then wire the test loads as shown on the right If you are not blessed with a spare connector of this...

Page 16: ...ositions of the ACOUSTIC SPACE switch Do these measurements fairly quickly because the amplifier will be warming up The level of the output may be different from that shown due to the factory settings...

Page 17: ...output may be different from that shown due to the factory settings of the calibration pots Just make sure that the speaker under test follow the overall shapes and the switch is working NOTE the gra...

Page 18: ...shown due to the factory settings of the calibration pots Just make sure that the speaker under test follows the overall shape and that the switch works as follows HIGH FREQUENCY SWITCH TEST Switch th...

Page 19: ...ance of each driver and verify nothing is shorted The resistance should be around 6 ohms Carefully and gently check by hand that the woofer moves in and out without any rubbing or scraping of the voic...

Page 20: ...y glued in place Always order the woofer gasket at the same time because during disassembly this gasket can get torn The tweeter gasket and the small gasket for the LEDs comes with the woofer gasket A...

Page 21: ...029 04 WIRE 18GA BLACK 39 INCH 1 HARNESS ASSEMBLY WIRES 611 041 01 WIRE 18G WHITE 35 INCH 1 HARNESS ASSEMBLY WIRES 611 042 01 WIRE 18G BLUE 35 INCH 1 HARNESS ASSEMBLY WIRES 490 001 00 WOOFER 8 75 INCH...

Page 22: ...750 5 R6 R90 R168 140 073 00 RESISTOR TF SMT 1K0 5 R122 R148 149 140 080 00 RESISTOR TF SMT 2K 5 R20 140 082 00 RESISTOR TF SMT 2K4 5 R19 R155 140 096 00 RESISTOR TF SMT 9K1 5 R15 140 097 00 RESISTOR...

Page 23: ...1 R117 R127 145 485 00 RESISTOR MF SMT 100K 1 R105 R152 R154 145 500 00 RESISTOR MF SMT 143K 1 R12 145 510 00 RESISTOR MF SMT 182K 1 R48 145 518 00 RESISTOR MF SMT 221K 1 R93 R147 R156 145 522 00 RESI...

Page 24: ...NSISTOR NPN MJE340 Q6 Q36 311 001 00 X SISTOR NPN SMD IMBT4401 Q19 20 Q43 311 002 00 X SISTOR PNP SMD IMBT4403 Q21 23 311 005 00 X SISTOR NPN SMD IMBTA06 Q8 Q11 12 Q24 Q29 Q31 Q34 311 006 00 X SISTOR...

Page 25: ...ASHER COMPRESSION Z46 58 FOR TRANSISTORS 710 022 00 WASHER FLAT Z62 74 FOR TRANSISTORS 730 003 00 ADHESIVE 3M 4799 730 025 00 LOCKTITE 222 510 025 00 FUSE SB 1 25A 5X20 250V UL 1 230V UNITS 510 026 00...

Page 26: ...Q2 Q41 310 029 00 2SD1264A NPN Q9 Q30 Q32 310 028 00 2SB940A PNP Q3 Q42 310 035 00 2SA1478 PNP Q10 Q33 310 036 00 2SC3788 NPN Q19 Q20 Q43 1 B 1 E 2 E 3 C 3 B 1 E 3 B 1 B 3 E 1 B 1 E 3 E 3 B BLAH BLAH...

Page 27: ...EMATIC REV A and B sheet 1 of 2 Note The only difference between the Rev A and Rev B parts are that VR5 R73 and R46 may have different values on the Rev A board See the parts list for details There is...

Page 28: ...A 2 1998 1999 Mackie Designs Inc All Rights Reserved HR824 SCHEMATIC REV A and B sheet 2 of 2...

Page 29: ...37 00 Q37 2SD1047 NPN 310 025 00 Q41 2SD1264A NPN 310 029 00 TH1 67F070 THERMOSTAT 500 026 00 J10 IEC CONNECTOR 400 132 00 J2 1 4 STEREO JACK 400 166 00 J3 XLR FEMALE CONNECTOR 400 131 00 e b e b b e...

Page 30: ...A 4 1998 1999 Mackie Designs Inc All Rights Reserved HR824 BOARD REV A Component side of board Bottom of board...

Page 31: ...TH1 67F070 THERMOSTAT 500 026 00 J10 IEC CONNECTOR 400 132 00 J2 1 4 STEREO JACK 400 166 00 J3 XLR FEMALE CONNECTOR 400 131 00 e b e b b e e b e b e b 310 029 00 NPN 2SD1264A Q1 310 029 00 NPN 2SD1264...

Page 32: ...A 6 1998 1999 Mackie Designs Inc All Rights Reserved Component side of board Bottom of board HR824 BOARD REV B Oct 98...

Page 33: ...A 7 1998 1999 Mackie Designs Inc All Rights Reserved HR824 BOARD...

Page 34: ...A 8 1998 1999 Mackie Designs Inc All Rights Reserved HR824 ASSEMBLY...

Page 35: ...A 9 1998 1999 Mackie Designs Inc All Rights Reserved HR824 ASSEMBLY...

Page 36: ...A 10 1998 1999 Mackie Designs Inc All Rights Reserved HR824 ASSEMBLY...

Page 37: ...DE TIGHTENING SEQUENCE Note if you ever strip out a hole this can be fixed by pushing a piece of tree wood dowel fully into the hole then put in the screw The suggested dowel size is 20mm long x 5mm d...

Page 38: ...ive gasket Fill with hot glue flush never above MDF See Detail F Detail F TWEETER FOAM MAKE SURE IT IS PUSHED ALL THE WAY DOWN TOWARDS THE TWEETER WOOFER FOAM GLUE TO H BRACE WITH LOCTITE 410 AND BLAC...

Page 39: ...3 J7 1 J7 2 J7 3 J7 4 J4 1 J4 2 J4 3 PCB J4 PCB J7 PCB J5 RED WOOFER WOOFER TWEETER TWEETER BLACK WHITE BLUE PCB GROUND GD1 TO REAR COVER TO BRACKET PCB GROUND GD2 TRANSFORMER WAVEGUIDE PCB WAVEGUIDE...

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