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MACKIE HR824 26 pages English-only Service Manual contains:
1) HR824 technical overview with the description of front and rear panel switches.
2) HR824 specs
3) Block Diagram
4) Wiring Diagram
5) Packaging management
6) Spare part & final assembly list (for PCB rev A and B) + exploded view
7) Test Procedures (where, how to measure voltage...) including Test Point diagram on the PCB.
8) IC and Transistor charts.
Excellent guide: very clear, good scan quality enabling us to print readable diagram :-)
Note:
Mackie HR824 make extensive use of surface mount devices (SMD). Service on the HR824 must
only be undertaken by experienced service technicians with the right tools, experience and patience to perform surface mount rework when needed.
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This Service manual is very well scanned and its clean to read, no any anti-theft words that un-english could understand. I got my CCD600 working with this manual and it´s clear shematics :)
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I was very pleased with the service provided and was surprised at how good the quality was of the manual. I thought it may be a third generation copy or so, but it is as good as the websites that charge 3 times this much. I repair some electronics for family and friends without charge, so this is perfect for me. Thank you very much.
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The service was great and the document was also great. Highly recommend!!!!
If anyone has a users manual... Please email me. need one. $ [email protected]
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I needed a service manual as the display on my oscilloscope was very dim. I thought I'd give owner-manuals.com a try, as they advertised a huge number of manuals. Sure enough they had one listed. I bought it hoping it would be useful... actually, I bought it hoping it would be readable! I've had manuals from online sources in the past, and been very disappointed. Not this time! An excellent manual, complete, and very readable. Using it I fixed my 'scope, and as such the manual was an investment that paid off manyfold. Do I have any complaints? One very minor one - The circuit diagrams could have been scanned at a higher resolution, as some of the details were a little difficult to make out - not impossible, just not as easy as my old eyes would like! Overall, I'm very satisfied with my manual, and I will certainly be using this company again. Well done.
AVR445
harman/kardon
OPERATION
Output Level Trim Adjustment
Normal output level adjustment for the AVR 445 is established using EzSet/EQ, as outlined on pages 26�28. In some cases, however, it may be desirable to trim the output levels using program material such as a test disc, or a selection you are familiar with. Additionally, the output level for the subwoofer can only be adjusted using this procedure. To adjust the output levels using program material, first set the reference volume for the front left and front right channels using the Volume Control )H�. Once the reference level has been set, press the Channel Select Button CE and FRONT L LEVEL will appear in the Lower Display Line $. To change the level, first press the Set Button IF, and then use the �/¤ Navigation Buttons HD to raise or lower the level. DO NOT use the volume control, as this will alter the reference setting. Once the change has been made, press the Set Button IF; then press the �/¤ Navigation Buttons HD to select the next output-channel location that you wish to adjust. To adjust the subwoofer level, press the �/¤ Navigation Button Ho until WOOFER LEVEL appears in the Lower Display Line $ or on-screen display. Repeat the procedure as needed until all channels requiring adjustment have been set. When all adjustments have been made and no further adjustments are made for 5 seconds, the AVR 445 will return to normal operation. The output levels may also be adjusted using the on-screen menu system to either the internal test tone or an external test disc by following the instructions shown on page 31.
EzSet/EQ On/Off
If you wish to turn the filter settings established by EzSet/EQ on or off to demonstrate the impact EzSet/EQ has on the sound of your system, simply press the EzSet/EQ On/Off button A. Using this feature does not change the settings; it merely puts them in or out of the signal path.
Dim Function
Since the AVR 445 will often be used when movies or other kinds of video programming are viewed under low-light conditions, you may wish to lower the brightness of the front-panel displays and indicators so that they do not distract from the video presentation. You may dim the displays using the menu system, as shown on page 42, or you may control the brightness directly from the remote. Simply press the Dim ButtonW once to dim the front panel to half the normal brightness level; press it again to turn the displays off. Note that when the displays are dimmed or turned off, the blue lighting around the Standby/On Switch 1 will continue to stay lit as a reminder that the AVR is still turned on. The accent lighting for the Volume Control ) will remain at its normal level, rather than dim when the panel displays are at half-brightness. Note that all changes to the front-panel brightness level are temporary; the displays will return to fullbrightness after the AVR is turned off and then on again. To return the displays to full-brightness without turning the unit off, press Dim Button W as needed until the displays are on. In addition to lowering the brightness of the displays or turning them off completely, you may wish to have them appear whenever a button on the remote or front panel is pushed, and then gradually fade out after a set time period. You may do this by making the appropriate settings in the VFD FADE TIME OUT line of the ADVANCED SELECT menu, as shown on page 42. Memory Backup This product is equipped with a memory backup system that preserves the system configuration information and tuner presets if the unit is accidentally unplugged or subjected to a power outage. This memory will last for at least four weeks, after which time all information must be reentered.
27
OPERATION
41
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