Mackie-HR824-spk-sch 维修电路原理图.pdf

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1、A-11998, 1999 Mackie Designs Inc. All Rights ReservedHR824 SCHEMATIC REV A and B sheet 1 of 2* Note: The only difference between theRev A and Rev B parts are that VR5, R73and R46 may have different values on theRev A board. See the parts list for details.(There is no need to change to the newparts i

2、f you have a Rev A board).*RadioFans.CN 收音机爱 好者资料库A-21998, 1999 Mackie Designs Inc. All Rights ReservedHR824 SCHEMATIC REV A and B sheet 2 of 2RadioFans.CN 收音机爱 好者资料库A-31998, 1999 Mackie Designs Inc. All Rights ReservedHR824 BOARD REV ASW5SW3SW4SW2R184Q302SB940APNP310-028-00Q322SB940APNP310-028-00Q3

3、52SB817PNP310-024-00Q36MJE340NPN310-037-00Q372SD1047NPN310-025-00Q412SD1264ANPN310-029-00TH167F070THERMOSTAT500-026-00J10IEC CONNECTOR400-132-00J21/4 STEREO JACK400-166-00J3XLR (FEMALE)CONNECTOR400-131-00e be bb ee be be b310-029-00NPN2SD1264AQ1310-029-00NPN2SD1264AQ2310-025-00NPN2SD1047Q5310-037-00

4、NPNMJE340Q6310-024-00PNP2SB817Q7310-028-00PNP2SB940AQ9b eb ee bb eb eb eA-41998, 1999 Mackie Designs Inc. All Rights ReservedHR824 BOARD REV AComponentside of boardBottom of boardA-51998, 1999 Mackie Designs Inc. All Rights ReservedHR824 BOARD REV B, Oct 98Q302SB940APNP310-028-00Q322SB940APNP310-028

5、-00Q352SB817PNP310-024-00Q36MJE340NPN310-037-00Q372SD1047NPN310-025-00Q412SD1264ANPN310-029-00TH167F070THERMOSTAT500-026-00J10IEC CONNECTOR400-132-00J21/4 STEREO JACK400-166-00J3XLR (FEMALE)CONNECTOR400-131-00e be bb ee be be b310-029-00NPN2SD1264AQ1310-029-00NPN2SD1264AQ2310-025-00NPN2SD1047Q5310-0

6、37-00NPNMJE340Q6310-024-00PNP2SB817Q7310-028-00PNP2SB940AQ9b eb ee bb eb eb e Note: The main differencebetween the Rev A andRev B boards is in thetrace layout at this end ofthe boardA-61998, 1999 Mackie Designs Inc. All Rights ReservedComponentside of boardBottom of boardHR824 BOARD REV B Oct 98A-71

7、998, 1999 Mackie Designs Inc. All Rights ReservedHR824 BOARDA-81998, 1999 Mackie Designs Inc. All Rights ReservedHR824 ASSEMBLYA-91998, 1999 Mackie Designs Inc. All Rights ReservedHR824 ASSEMBLYA-101998, 1999 Mackie Designs Inc. All Rights ReservedHR824 ASSEMBLYA-111998, 1999 Mackie Designs Inc. All

8、 Rights ReservedSWITCH SIDEMARKED EIS CLOSEST TOON/OFF MARKINGON WAVEGUIDE124389567WAVEGUIDETIGHTENINGSEQUENCENote: 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 is20mm long x 5mm dia.Note: sc

9、rew down until the waveguide is flush/level with the surrounding wood. The max torque is approximately 12 inch pounds.HR824 ASSEMBLYA-121998, 1999 Mackie Designs Inc. All Rights ReservedMDFrolled upsticky gasket0.5passivegasketFill with hot glue, flush,never above MDF.See Detail FDetail FTWEETER FOA

10、MMAKE SURE IT IS PUSHED ALL THE WAY DOWN TOWARDS THE TWEETERWOOFER FOAMGLUE TO H BRACE WITH LOCTITE 410 AND BLACK MAGIC ACCELERATORMAKE SURE THE FOAM DOES NOT TOUCH THE PASSIVE RADIATOR.HR824 ASSEMBLYA-131998, 1999 Mackie Designs Inc. All Rights ReservedTHE WIRES ARE CAREFULLY TYRAPPED AT THE FACTOR

11、Y. TAKE CARE THAT THE WIRES ARE TIGHT AND DO NOT TOUCH THE PASSIVE RADIATOR, OR HANG DOWN AND TOUCH THE CIRCUIT BOARD.J5-1J5-2J5-4J5-3J7-1J7-2J7-3J7-4J4-1J4-2J4-3PCB (J4)PCB (J7)PCB (J5)REDWOOFERWOOFERTWEETERTWEETERBLACKWHITEBLUEPCB GROUND (GD1)TO REAR COVERTO BRACKETPCB GROUND (GD2)TRANSFORMERWAVEGUIDE PCBWAVEGUIDEPCB J11PCB (J8)PCB (J9)SWITCHJ4-4J9J8BRNREDGRYREDJ4-5BRN*YEL*YELLOW FOR 120V TRANSFORMERS *WHITE FOR 230V TRANSFORMERS*BLUE FOR 100V TRANSFORMERSBLKJ4J5J7J8&9E-29E-41J11-1J11-2J11-3J11-4WIRING DIAGRAMHR824 ASSEMBLY