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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
(3) (4)
(5)
Adjust the VP (vertical) and the HP (horizontal) position using the 4, buttons. Press the Memory Initialize key of the R/C to store the value in memory. If you do not have this key, short the pins of the 2 pin connector PI1 for one second, then remove. Select PIP mode and shift the sub-picture using the SHIFT button. Distance between PIP and edge of screen should be equal when shifted. if it is not, repeat (i)-(5). Surround Operation Check Adjustment Preparation Input the following audio signals to the audio input of the VIDEO INPUT terminals. When checking surround: L CH: 400Hz sine wave 475mVrms R CH: 5kHz sine wave 475mVrms Set the INT. SPEAKER : ON Set the volume controls of FRONT and REAR to center. Set the BASS, TREBLE and BALANCE to center. Note: Front waveform: Front speaker output of the set. Rear waveform: Rear speaker output of the set. Surround Off Check Set to SURROUND: OFF and check shown below is obtained.
2.5.3 Matrix Surround Check Adjustment Preparation (1) Set to SURROUND : MATRIX Check that the following waveforms are obtained. Front : Check that the phases of R and L are different and 400H.z is superimposed on 5kHz. The amplitudes of R and L are different. Rear : Check that the phases of R and L are opposite and 400Hz is superimposed on SkHz. Front Rear
2.5
O.Sms/div+
0.5ms/div+
2.5.1 (1)
that the waveform 2.5.4 Matrix Surround/Monaural Check Adjustment Preparation Check that the following waveforms are obtained. Front : R and L waveforms are almost equal. Rear : R and L waveforms are almost zero.
Front
@KHz)
Front
Rear
400Hz
(400Hz)
400Hz
OSms/div
Note: REAR output is no signal. 2.5.5 Hall Surround Check Adjustment Preparation (1) Set to SURROUND : HALL. Check that the following waveforms are obtained. Front : Check that the phases of R and L signals are different and 4OOHz is superimposed 5kHz. Rear : Check that the phases of R and L are opposite and 400Hz is superimposed 5kHz. The amplitudes of R and L are equal. Front Rear on
2.5.2 Surround Off/Monaural Check Adjustment Preparation Check that the following waveform is obtained. of 2 channels are equal.
The amplitudes
Front
400Hz
400Hz
Note:
Monaural check can be omitted. REAR output is no signal.
0.5ms/div-t
O.Eims/div+
Note:
Amplitude
levels
of front
R and L are not even.
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