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Mackie SR1530 Service Manual

Other manuals for SR1530: Hook-up Manual, User Manual, Brochure

Summary of SR1530

  • Page 1

    Sr1530 active speaker service manual 2000 mackie designs, inc. Go to bulletins.

  • Page 2

    2 service on this equipment is to be performed by experienced repair technicians only.

  • Page 3: Contents

    3 contents introduction ..................................................................... 3 overview .......................................................................... 4 specifications ................................................................... 5 test procedure .....................

  • Page 4

    4 the sr1530 is a high output, horn loaded, 3-way, wide dispersion, active sound reinforcement system. It features a one-piece 90º x 40º horn, which includes both the mid and high frequency sections in a proprietary “optimal wavefront” design. Unlike typical mid/high horn designs, the high frequency...

  • Page 5

    5 specifications system specifications frequency range 40hz–20khz frequency response (–3 db) 45hz–18khz horizonal coverage angle (–6 db) 90º averaged 2khz to 10khz vertical coverage angle (–6 db) 40º averaged 2khz to 10khz directivity factor; di (q) 10.77 (11.95) averaged 2khz to 10khz maximum spl @...

  • Page 6

    6 test equipment audio generator/analyser oscilloscope voltmeter 2 load resistors 16 ohm, 200w 1 load resistor 8 ohm, 100w variac with voltage and current-draw meters 1 inspection 1.1 inspect all components, solder, wires, connectors, screws, heatsink screws. Make sure all transistors and ic amps ar...

  • Page 7

    7 4 verification of the low frequency section. 4.1 initially set the input signal to 30 mv at 100hz. 4.2 increase the input signal slowly until the limiter starts to stabilize the output to 35v (approximately 76.7w) with an input of approx 250 mv. 4.3 lower the input signal until the limiter is not ...

  • Page 8

    8 you must perform the following leakage test before returning the unit to your customer. Take every safety precaution to protect yourself while doing this test. 1. Make a small loading rc circuit as shown in the diagram below, and connect the ac volt meter between the ac power source ground and any...

  • Page 9

    9 sr1530 parts list warning: in the pages which follow, parts which are marked with the warning triangle should only be replaced with exact replacement parts. This is required to maintain product safety. Part# description page 13110050 sr1530 assembly 10 23103130 amplifier subassembly 11 23103130 am...

  • Page 10

    10 13110050 sr 1530 assembly 115v part# description qty comments sc034351 wiring diagram revd 1 21110110 loudspeaker l15-64-mas 1530 reva 1 woofer 21110120 mr 160-mas 1530 reva 1 midrange 23020480 led board assembly 1 23030110 filter assembly 1 see page 13 23103130 amplifier subassembly 1 see page 1...

  • Page 11

    11 23103130 amplifier subassembly (115v dual-voltage xformer) part# description qty comments se034341 schematic 1 23020490 amplifier circuit board assembly 1 see page 12 23102690 wire assembly ur 2 23103140 wire assembly ur 1 33120320 heatsink 34322 1 heatsink 33951510 sticker amplifier 34334 1 5115...

  • Page 12

    12 23103710 amplifier subassembly (230v transformer) part# description qty comments 23020490 amplifier circuit board assembly 1 23102690 wire assembly ur 2 23102740 wire assembly ur 2 23103680 wire assembly green/yellow 1 33120320 heatsink 34322 1 33890200 spacer 35717 2 33951510 sticker amplifier 3...

  • Page 13

    13 23103820 amplifier subassembly (240v transformer) part# description qty comments 23020490 amplifier circuit board assembly 1 23102690 wire assembly ur 2 23102740 wire assembly ur 2 23103680 wire assembly green/yellow 1 33120320 heatsink 34322 1 33890200 spacer 35717 2 33951510 sticker amplifier 3...

  • Page 14

    14 3020490 amplifier pcb assembly part# description qty comments 33030370 pcb 34341 1 pcb 33120310 heatsink x transistor 34329 1 33180100 bracket x transistor 34327 4 transistor brackets 33912310 insulating strip 33238 6 insulating strips 51150216 screw v.Tc+m3 x8 znn u7687 6686 11 51150316 screw v....

  • Page 15

    15 part# description qty comments 82212002 c2t12-101b450-transistor bc560/c 2 transistors 82212019 c2t12-101c450-transistor bc550 6 82232020 c2t32-102b101-transistor tip30 1 82232021 c2t32-102a101-transistor tip29 1 82262017 c2t62-143a101-mosfet irf530 2 fets 82262018 c2t62-193b101-mosfet irf9540 2 ...

  • Page 16

    16 this is an older amplifier board. It may be useful as it shows mackie-us part num- bers and some reference designators. Part# description value reference designators 110-001-00 res cf .25w 5% 10 ohm 10 5% r81 110-017-00 res cf .25w 5% 47 ohm 47 5% r84-87 110-025-00 res cf .25w 5% 100 ohm 100 5% r...

  • Page 17

    17 part# description value reference designators 400-141-00 xlr 3p f vert a-series xlr1 400-142-00 xlr 3p m vert a-series xlr2 400-243-00 hdr 2p .098x1 shrd jp1 400-255-00 skt hdr 10p .100x2 str k2-3 400-256-00 skt hdr 20p .100x2 str k4 400-269-00 term qdisc rta .250 pcmt j1-24 450-266-00 pcb, mas15...

  • Page 18

    18 note: this common parts list is for later models. The dual-voltage power transformer was replaced with four different transformers, one for each of the main primary voltages: 100v, 115v, 230v, 240v. Part# description quantity 21110110 woofer l15-64 sr 1530 1 11464001 re-cone kit l15-64 sr 1530 1 ...

  • Page 19

    Sr1530 active speaker modification models affected: all sr1530 active speakers before serial number: ea 14008 add this as part of your normal repair procedures. Symptom: lack of midrange frequencies, or intermittent midrange possible cause: poor connection of the midrange wires to the midrange trans...