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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.
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Audio
A
No sound from the speakers Yes Are the SP cables properly connected? Yes Is sound muting set? Yes Is the volume set to 0? No Raise the volume then check again. No Connect the SP cables properly then check again.
No
Cancel muting then check again.
B
Yes AUDIO AMP Assy 2 3 Is a signal output from IC5003 Yes on the AUDIO AMP Assy? No AUDIO AMP Assy 1 Has the signal arrived at IC5003 on the AUDIO AMP Assy? No Yes Check around IC5003. Check the connection between the AUDIO AMP Assy and the SP Terminal Assy.
A
AV I/O Assy =
C
Is a signal output from IC7603 Yes on the AV I/O Assy? No Has the signal arrived at IC7603 on the AV I/O Assy? No Yes
Check around IC7605, IC7606, and IC7607 on the AV I/O Assy, and the connection between the AV I/O Assy and AUDIO AMP Assy. Is communication between IC7603 and the microcomputer OK? Yes Check around the IC7603. No
Check the communication line.
AV I/O Assy Is a signal output from IC7601 No on the AV I/O Assy? Yes Is IC7601 on the AV I/O Assy properly controlled by the microcomputer? Yes No Check the communication between IC7601 and IC7603.
D
Check the control line from the microcomputer.
Check the communication between each input terminal and IC7601.
E
F
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PDP-5004
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