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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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DAC_I2C, DAC_I2Cenable, DAC_I2Cdisable (for SD5.2 only) This nucleus checks the interface between the I2C controller on the ZiVa5 and the external DAC board. DAC_ClockInternal, DAC_ClockExternal (for SD5.2 only) These nuclei select the final clock input to the audio DAC. - Internal clock means the PCM clock from the monoboard is used. - External clock means the DSD clock on the AV board is used. DAC_AudioPreMuteOn, DAC_ AudioPreMuteOff (for SD5.2 only) This nucleus selects Audio Pre-mute on/off. DAC_CentreOn, DAC_ CentreOff (for SD5.2 only) This nucleus selects the centre on/off. BedReadFlashID Loads a special diagnostic firmware on the front engine which reads the Flash device and manufacturer�s ID . BedCalcRomChkSum Loads a special diagnostic firmware on the front engine that calculates the checksum of the front engine ROM. BedScratchTest Loads a special diagnostic firmware on the front engine that checks the scratch detector circuit of the front engine. DAC_Reset This nucleus resets the DAC board. DAC_ModeCDDA, DAC_ModeDVD48, DAC_ModeDVD96, DAC_ModeDSD (for SD5.2 only) - DAC_ModeCDDA switches the DACs into CDDA mode. - DAC_ModeDVD48 switches the DACs into DVD 48 kHz mode. - DAC_ModeDVD96 switches the DACs into DVD 96 kHz mode. - DAC_ModeDSD switches the DACs into DVD DSD mode. DAC_LowPowerStandbyOn, DAC_LowPowerStandbyOff (for SD5.2 only) DAC_LowPowerStandbyOn switches the Low power standby mode on, removing power supply to SCART switch IC. DAC_LowPowerStandbyOff switches the Low power standby mode off, enabling power supply to SCART switch IC. DAC_UpSamplingFreq192k, DAC_ UpSamplingFreq96k, DAC_UpSamplingOn, DAC_ UpSamplingOff (for SD5.2 only) These nuclei select whether upsampling should be activated and at what frequency. Furore_Reset (for SD5.2 only) This nucleus resets the Furore IC. Furore_High, Furore_Low (for SD5.2 only) These nucleus sets the output lines DSD_PCM0-9 to either high or low.
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