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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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TECHNICAL SPECIFICATION
General Dimensions (WxHxD) Weight without batteries : 134x30.5x154mm : 250g Headphone out (load impedance 16�, except crosstalk) Output power : 2x10mW ±2dB Frequency response (max vol.) : 20Hz-20kHz within 8dB S/N ratio (unw.) : >80dB (83dB typ.) S/N ratio (A-wght) : >82dB (85dB typ.) THD+N (1kHz, 1mW) : <0.3% (0.05% typ.) Channel crosstalk (1kHz, no load) : <-40dB Channel unbalance (-40dB) : <5dB Volume attenuation (1kHz) : >70dB
Power supply modes DC-in socket Battery 2xLR6 Accu-pack AY3361 (NiCd) : 4.5-5.5V : 1.8-3.6V : 1.8-3.6V
CD out (not on all versions) Battery lifetime Battery 2xLR6 Accu-pack AY3361 (NiCd) : 6hrs typ. : 3hrs typ. Output level (1kHz, 0dB) Frequency response S/N ratio (unw.) S/N ratio (A-wght) THD+N (1kHz, 0dB) THD+N (10kHz, -20dB) Channel crosstalk (1kHz) Channel crosstalk (10kHz) Channel unbalance (1kHz, 0dB) Dynamic range (1kHz, -60dB) : 900mV ±2dB : 20Hz-20kHz within 6dB : >80dB (83dB typ.) : >85dB (88dB typ.) : <0.2% (0.05% typ.) : 0.5% typ. : <-45dB (-50dB typ.) : -40dB typ. : <1dB (0.5dB typ.) : 90dB typ.
Battery empty detection Battery weak level Battery empty level : 2.0V nom. ±200mV : 1.8V nom. ±100mV
Charge circuit Laser Charge current Charge time for 80% Max. charge time Temperature protection : 200mA nom. ±10% : 3.5hrs nom. : 7hrs nom. : 60°C ±5°C Output power Wavelength : <5mW (3mW typ.) : 780nm
CD
Measurement setup SBC429 Use Audio Signal Disc
4822 397 30184 (replaces test disc 3) Use Audio Signal disc SBC429 DUT
L R
Current consumption (DC-in=4.5V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 210mA typ. : 485mA typ. : 150mA typ.
4822 397 30184
Current consumption (Batt. supply=2.25V) PLAY-mode JUMP-mode Stand-by (excl. recharge) : 270mA typ. : 460mA typ. : 50µA typ.
e.g. Sound Technology ST1700B
S/N and distortion meter
Shock resistance +X/-X direction +Y/-Y direction +Z/-Z direction : >4G : >4G : >3G
e.g. Sennheiser UPM550 with FF-filter
LEVEL METER
Shock resistance by use of car base +X/-X direction +Y/-Y direction +Z/-Z direction : >6G : >6G : >6G
CS 46 159
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