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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.
Technical Manual
ERS 400/420/440
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
Nominal Impedance: Power Rating: Frequency Response: Sensitivity: 4 ohms 8 to 30 watts RMS 90Hz-15kHz 85dB 1watt/1 meter
Environmental Reference Series 2-Way Speaker
PHYSICAL SPECIFICATIONS:
1x - 4" (10.1cm) IMG full-range transducer Baffle Dimensions: 7"H x 7"W" x 2-9/16"D XXXXXXXXXX XX 17.8x17.8x6.5cm Hole Size Required: 6"H x 6"W XXXXXXXXXXXXXXXXXX XX 15.2x15.2cm Baffle #760-6528 Grille #654-6631 Grille Foam Logo #965-6532 #716-5719
PRODUCTION HISTORY
Introduced in (800:1989) (820:1991) (840:1994) Discontinued (800:1991) (820:1994) (840:1998) Original Retail Price: (800:$160.00/pair) (820/840:$180.00/pair)
NOTE: ERS 400 MUST HAVE A SEPARATE INSTALLATION BRACKET
TECHNICAL INFORMATION
TWEETER #902-5032
REV A
9-98
INFINITY SYSTEMS INC., 250 Crossways Park Drive, Woodbury, New York 11797
ERS 400/420/440 Environmental Reference Series 2-Way Speaker
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