Mackie HR824 Service Manual电路图.pdf

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1、A-1 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 SCHEMATIC 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 no need to change to the

2、 new parts if you have a Rev A board). * RadioFans.CN 收音机爱 好者资料库 A-2 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 SCHEMATIC REV A and B sheet 2 of 2 RadioFans.CN 收音机爱 好者资料库 A-3 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 BOARD REV A SW5SW3SW4 SW2 R184 Q30 2SB940A PNP 310-028

3、-00 Q32 2SB940A PNP 310-028-00 Q35 2SB817 PNP 310-024-00 Q36 MJE340 NPN 310-037-00 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 be b b e e be b e b 310-029-00

4、NPN 2SD1264A Q1 310-029-00 NPN 2SD1264A Q2 310-025-00 NPN 2SD1047 Q5 310-037-00 NPN MJE340 Q6 310-024-00 PNP 2SB817 Q7 310-028-00 PNP 2SB940A Q9 b eb e e b b eb e b e RadioFans.CN 收音机爱 好者资料库 A-4 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 BOARD REV A Component side of board Bottom of bo

5、ard A-5 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 BOARD REV B, Oct 98 Q30 2SB940A PNP 310-028-00 Q32 2SB940A PNP 310-028-00 Q35 2SB817 PNP 310-024-00 Q36 MJE340 NPN 310-037-00 Q37 2SD1047 NPN 310-025-00 Q41 2SD1264A NPN 310-029-00 TH1 67F070 THERMOSTAT 500-026-00 J10 IEC CONNECTOR 400

6、-132-00 J2 1/4 STEREO JACK 400-166-00 J3 XLR (FEMALE) CONNECTOR 400-131-00 e be b b e e be b e b 310-029-00 NPN 2SD1264A Q1 310-029-00 NPN 2SD1264A Q2 310-025-00 NPN 2SD1047 Q5 310-037-00 NPN MJE340 Q6 310-024-00 PNP 2SB817 Q7 310-028-00 PNP 2SB940A Q9 b eb e e b b eb e b e Note: The main difference

7、 between the Rev A and Rev B boards is in the trace layout at this end of the board A-6 1998, 1999 Mackie Designs Inc. All Rights Reserved Component side of board Bottom of board HR824 BOARD REV B Oct 98 A-7 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 BOARD A-8 1998, 1999 Mackie Designs

8、 Inc. All Rights Reserved HR824 ASSEMBLY A-9 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 ASSEMBLY A-10 1998, 1999 Mackie Designs Inc. All Rights Reserved HR824 ASSEMBLY A-11 1998, 1999 Mackie Designs Inc. All Rights Reserved SWITCH SIDE MARKED E IS CLOSEST TO ON/OFF MARKING ON WAVEGUIDE

9、 12 43 89 56 7 WAVEGUIDE 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 dia. Note: screw down until the waveguide is flush/level with the surroundi

10、ng wood. The max torque is approximately 12 inch pounds. HR824 ASSEMBLY A-12 1998, 1999 Mackie Designs Inc. All Rights Reserved MDF rolled up sticky gasket 0.5 passive 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 TOWARD

11、S THE TWEETER WOOFER FOAM GLUE TO H BRACE WITH LOCTITE 410 AND BLACK MAGIC ACCELERATOR MAKE SURE THE FOAM DOES NOT TOUCH THE PASSIVE RADIATOR. HR824 ASSEMBLY A-13 1998, 1999 Mackie Designs Inc. All Rights Reserved THE WIRES ARE CAREFULLY TYRAPPED AT THE FACTORY. TAKE CARE THAT THE WIRES ARE TIGHT AN

12、D DO NOT TOUCH THE PASSIVE RADIATOR, OR HANG DOWN AND TOUCH THE CIRCUIT BOARD. J5-1 J5-2 J5-4 J5-3 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 BRACKETPCB GROUND (GD2) TRANSFORMER WAVEGUIDE PCB WAVEGUIDE PCB J11 PCB (J8) PCB (J9) SWITCH J4-4 J9 J8 BRN RED GRY RED J4-5BRN *YEL *YELLOW FOR 120V TRANSFORMERS *WHITE FOR 230V TRANSFORMERS *BLUE FOR 100V TRANSFORMERS BLK J4 J5 J7 J8&9 E-29 E-41 J11-1 J11-2 J11-3 J11-4 WIRING DIAGRAM HR824 ASSEMBLY