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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!
 ;
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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 ;
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
AV-21D83
DISASSEMBLY PROCEDURE [AV-21D83/BK, AV-21D83/VT]
REMOVING THE REAR COVER
1. Unplug the power supply cord. 2. Remove the 7 screws marked � and 4 screws marked ı as shown in Fig.1. 3. Withdraw the Rear cover toward you. [CAUTION] When reinstalling the rear cover, carefully push it inward after inserting the Main PWB into the rear cover groove.
�
REMOVING THE MAIN PW BOARD
� After removing the rear cover.
1. Slightly raise the both sides of the Main PWB by hand, take off the PB Stopper marked � from the front cabinet. 2. Withdraw the Main PWB backward. (If necessary, take off the wire clamp and connectors, etc.)
REMOVING THE SPEAKER [AV-21D83/BK]
� After removing the rear cover.
1. Remove the 2 screws marked � as shown in Fig.1. 2. Follow the same steps when removing the other hand speaker.
REMOVING THE SPEAKER [AV-21D83/VT]
� After removing the rear cover.
1. Remove the 2 screws marked � and 2 screws marked ´ as shown in Fig.1. 2. Follow the same steps when removing the other hand speaker.
CHECKING THE MAIN PW BOARD
1. To check the back side of the Main PWB. 1) Pull out the Main PWB. (Refer to REMOVING THE MAIN PW BOARD). 2) Erect the Main PWB vertically so that you can easily check its back side. [CAUTION] Before turning on power, make sure that the CRT earth wire and other connectors are properly connected. When repairing, connect the Deg. coil to the DEG. connector on the Main PWB.
� �
WIRE CLAMPING AND CABLE TYING
1. Be sure to clamp the wire. 2. Never remove the cable tie used for tying the wires together. Should it be inadvertently removed, be sure to tie the wires with a new cable tie.
8
No. 52076
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