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There are currently no product reviews.
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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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The service was great and the document was also great. Highly recommend!!!!
If anyone has a users manual... Please email me. need one. $ [email protected]
CPU (LSI2: MSM6755B-17)
The CPU reads sound data from the ROM in accordance with the pressed key and the selected tone; the CPU can read rhythm data simultaneously when a rhythm pattern is selected. Then it provides the left and the right channels� waveforms separately, by converting the data into the waveforms with two built-in DACs. The CPU also controls key and button input. The following table shows the pin functions of LSI2. Pin No. 1 2, 3 4 ~ 19 13 17 20 ~ 27 28, 29 30 31 32, 33 34 35 36 37 38 39 40 41 42, 43 44 45 46 47 48 49 50 51 52 53 54 55, 56 57 58 ~ 64 65 66 ~ 73 Terminal MA14 NCO MA0 ~ MA13 MRDB MCSB MD0 ~ MD7 NC1, NC2 DGND DVCC XTLO, XTLI NC3 RSTB P24/RXD P25/TXD NMI APO NC4 REFH NC5, NC6 DAOR NC7 AVdac DAOL REFL AGdac AGadc ANI AVadc NC8 MOD0 MOD1, MOD2 P40 KI0/P30 ~ KI7/P36 KI7/P37 KO0/P50 ~ KO7/P57 In/Out Out � Out Out � In/Out � In In In/Out � In In Out In Out � Out � Out � In Out Out In In In In � In In In In � Out Address bus Not used Address bus Read enable signal Not used Data bus Not used Ground (0 V) source +5 V source 20 MHz clock input/output Not used Reset signal input MIDI signal input MIDI signal output Power ON signal input. Connected to +5 V. APO (Auto Power Off) signal output Not used Terminal for the internal DAC Not used Right channel sound waveform output Not used +5 V source for the internal DAC Left channel sound waveform output Terminal for the internal DAC and ADC Ground source for internal DAC Ground source for internal ADC APO cancellation signal +5 V source for the internal ADC Not used Mode selection terminal. Connected to +5 V. Mode selection terminal. Connected to ground. Pedal signal input Terminals for key/button input signal Not used Terminals for key scan signal Function
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