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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
IM-DR580H
� Abnormal display
Is a waveform found in pins 2 to 4 of CR101 and pins 2 to 4 of CR102 and pins 2 to 4 of CR103 and pins 2 to 4 of CR104 ? Is pin 1 (VCC) of CR101 and pin 22 (VCC) of CR104 and pin 20 (GND) of CR101 and pin 1 (GND) of CR104 normal ? Check between IC401 and CR101. Yes Check around IC401. Is a waveform found in pins 33, 35 and 37 of IC401 ? No Yes No
Check the pattern and soldering of multi-link station PWB and LCD flexible PWB. If no problem is found, replace the LCD.
� Audio playback circuit
If playback time is counted but no sound is heard during continuous playback. Is an audio waveform found in pins 1 (TP721), 2 (TP722), 3 (TP723) and 4 (TP724) of J703 ? No Is there a pulse where duty varies in pins 2 and 5 of Q751, Q752, Q761 and Q762 ? No Is a pulse waveform found in pins 1, 4, 9 and 12 of IC751 and pins 1, 4, 9 and 12 of IC761 ? Are pins 2, 5, 10 and 13 of IC751 H ? Yes OK Does pulse waveform appear on pins 5, 6, 8 and 9 of IC203? No Check pins 68, 69, 71 and 72 of IC201 and pin 19 of IC401. If the voltage of pin 6 of Q751 and Q752 and pin 3 of Q761 and Q762 is below 2 V when setting VOLUME to MAX, check the power supply circuit of IC813 and IC821. Check soldering of J703, the remote control and the earphones. Yes
Yes
No
� The spindle motor does not rotate.
Does a waveform appear in pins 26 and 27 of IC201 after ending the test mode AUTO2 ? Yes
No
Check the periphery of IC201.
Is a waveform found in pins 60 to 64 of IC601 ? Yes If there is no defect in soldering of CN601 and insertion of the flexible PWB, replace the spindle motor.
No
Check the periphery of IC601.
� 52 �
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