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Exactly what was needed to assess the product - excellent value and great service
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Nice to have the service manual for the Sony DCR-TRV345E now. The document is of excellent quality.
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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.
CHAPTER 2 OPERATIONS AND TIMING
B. Controlling the feed speed
1. Outline The feed speed is controlled with the feed motor (M2) and torque limiter. The feed motor changes the feed speed according to the paper size but rotates at a constant speed and does not control the speed when feeding copies. The feed speed of the sorter is higher than the delivery speed of the copier. When one end of a sheet of copy is in the fixing unit of the copier and the other is between the feed rollers of the sorter at the same time, the feed roller rotating speed is reduced with the torque limiter.
Feed roller
Torque limiter
Feed Motor (M2)
Figure 2-303 2. Process speed Process speed is the speed of the copies from the time when they are received from the copier first until they are transferred fully into the sorter. This speed is the same as the process speed of the copier. 3. Pull-In/Delivery Speed The tern refers to the speed at which copy paper is moved from the copier's fixing assembly for delivery, and it varies between 380 and 570 mm/sec according to the size of paper. The following shows the relationship between typical paper sizes and feeding speeds.
Paper size B4, LGL A3*1, 11"x17" A4R, LTRR 4A, LTR Feed speed 540mm/sec 510mm/sec 470mm/sec 450mm/sec
*1 If stacking is not proper because of downward curling in staple sort mode, change the feeding speed. (See CHAPTER 5. Dipswitch function list)
COPYRIGHT © 1998 CANON INC. CANON STAPLER SOTRER-L1 MS-C1 REV.0 NOV. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
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