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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.
6.3.10 Lower Frame Assembly (1) Power Board i. Turn the frame unit, the scanning face of I.S. towards table, to face the back of power board. Loosen all the tapping screws of ground wires. ii. Loosen 4 pieces of M3 8 tapping screws and pull out connectors on the power board. Remove the power board. (2) N.C.U. Board Assembly i. ii. Loosen 4 pieces of M3 8 tapping screws and pull out connectors on the power board. Remove the N.C.U. Board Assembly and Jack Board. Separate jack board with N.C.U. board.
(3) Put the assembly on the table and face T.P.H.. (4) Back Tension Retainer Lift the elastic arm of the retainer, locating on one side of the compartment of pull-side ribbon, a little bit and remove the retainer, helical compression spring. Note: i. the surface, touching green bushing of pull-side ribbon roll, of the retainer should stick on a felt before assembled. ii. The larger coil of the helical compression spring should touch the lower frame after assembled. (5) Gear Train of Take-up Ribbon and T.P.H. Stepping Motor i. Invert the lower frame to face the T.P.H. stepping motor (� 42 mm). Loosen one piece of M2.6 5 tapping screw on the outside of gear, remove gears. ii. Loosen 2 pieces of M3 6 taptite screws, then remove the motor. (6) Peel-off Tension Bar and Tension Bar Take out peel off tension bar and tension bar out of their holes on lower frame and brackets of T.P.H. assembly, separately. (7) T.P.H. Assembly i. Stretch out the elastic arm of brackets on both sides of T.P.H. to leave its spindle and turn the assembly until it can be removed from lower frame. Also, 3 pieces of compression springs can be taken out of their holes on lower frame. ii. Loosen 4 pieces of tapping screws on the bracket, and take out 2 brackets. (8) Ribbon Sensor Loosen one M3 8 tapping screw, remove the sensor. (9) Cover Switch Turn the lower frame to face the switch on the right of lower frame. Loosen one piece of M2.3 10 tapping screw and take out the switch.
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