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There are currently no product reviews.
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I was having a hard time finding the problem with this Mackie 1604 unit. I didn't have a schematic. Went looking on the web and found your site and the price was more then reasonable. Ordered it and within the hour had the manual and within 15 minutes had the unit fixed. Best $4.99 I ever spent. Thank you.
Doug
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This is a service manual in every sense of the word ( French and German versions of the text are included, as well as English..)
There are explanations of the mechanical and electrical functions, plenty of mechanical drawings, and the needed schematics. The quality of the scanning is excellent - all the component values are clearly legible - and very usefully there are pcb component layouts, so you can find a component on the schematic, and then very quicky pinpoint its physical location on the relevant pcb.
I cannot see how I can give this manual any less than the maximum 5 stars! Great value for money, which will pay for itself immediately. Excellent all round!
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the manual is great and especially hard to find... thanks for the great service and having a hard to find manuel_
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Please tell us what you think and share your opinions with others. Be sure to focus your comments on the product. You will receive $2.50 of store credit for Your review.
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hat alles sehr gut geklappt. Das Servicemaual ist gut zu verwenden. Die Pläne und Schrift
ist klar und leserlich. Außerdem preiswert. Grüße an alle Hifi-Bastler
Technical Manual
Alpha 37c
EXPLODED VIEW
Alpha 37c Cabinet � Not for Sale 22 16 21 15 19
(4)
11
5
7
18 6 20
(2)
(12)
10
(2)
22
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(4)
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(8)
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ITEM NO. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
DESCRIPTION Owner�s Manual Warranty Card End Pads Outer Carton Tweeter Tweeter Hold-Down Bar Tweeter Gasket Front Faceplate Faceplate Gasket Woofer Midrange Grille
QTY. 1 1 2 1 1 1 1 1 1 2 1 1
PART NO. 350581-001 335841-002 350582-001 350580-001 9747201 339983-001 9254859 339973-001 350076-001 9747213 350513-001 339974-001
ITEM NO. 13. 14. 15. 16. 17. 18. 19. 20.
DESCRIPTION QTY. PART NO. Grille Retainer 8 9330070 Midrange Cup 1 339996-001 Crossover Network 1 350558-001 Terminal Cup 1 350596-001 Screw (faceplate) #8 x 3/4 FLHDPH BLK 4 59460 Screw (woofers) TORX HD 3.9 x 30mm 12 9412730 Screw (midrange) PB PPH #6 x .625� 4 903401-010 Screw (tweeter) MS PHH H/L 2 905401-006 6-19 x 3/8 BLK 21. Screw (network) PB PPH #6 x 3/4 BLK 4 903401-012 22. Screw (4 faceplate, 4 terminal cup) 8 9412722 TORX HD 3.9 x 22mm
TO SERVICE THE ALPHA 37c 1. Remove the grille.
Binding Post (Red) # BP10GA-410R Binding Post (Black) # BP10GA-410B
2. Remove both woofers; remove the (6) Torx screws on each woofer with screwdriver bit #T20. 3. Remove the (4) plastic grille retainers on the mid/twt faceplate; this can be accomplished by carefully pulling them out of their cavities with long-nosed pliers or similar tool. If damaged upon removal, order part# 9330070. Remove the (4) Phillips screws that are now exposed. 4. Remove the (4) Torx screws surrounding the Midrange driver. 5. Carefully separate the front faceplate, with tweeter attached, from the cabinet. NOTE: Upon re-assembly, notice the woofer trim rings have a contour that conforms to the front baffle, and must be positioned correctly. In the event of a complaint of �video distortion,� see Service Bulletin #INF2003-02.
Infinity Systems, 250 Crossways Park Drive, Woodbury, New York 11797
5/03
Alpha 37c
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