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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.
KDC-C471FM/C521FM
ADJUSTMENT
� L.P.S. initial position adjustment procedure
1. Connect the changer to the HEAD UNIT (H/U). 2. While holding the magazine eject button of the changer, press the reset button of the H/U. 3. After about 3 seconds, release the magazine eject button. 4. Press the SRC button of the H/U to enter the CD-CH mode, and the H/U's display section indicates �E-88�. 5. Move the mechanism deck to around the 1st stage by pressing the DISC- or DISC+ button. 6. Insert the adjustment tool (W05-0635-00) into the tool hole on the changer mechanism. 7. Then press the DISC+ button to move the mechanism deck until the mechanism's slider hits the adjustment tool. 8. When the motor locks (stops), press the REPEAT key of the H/U. When the REPEAT key is pressed, the mechanism moves automatically to the 1st stage and the initial position adjustment completes. (The data is written in the EEPROM at this time.)
W05-0635-00
� Caution : Note on IC8 (EEPROM)
Be sure to use the W05-0869-00 when replacing the EEPROM. IC8 stores the digital servo data of the pickup servo. Therefore, if the EEPROM does not store servo data, ERROR76 (E-76) will indicate the H/U�s display section at the moment CD is played.
Instrument : SSG, OSC (5MHz), AC VOLTMETER, PWR SUPPLY, H/UNIT, CD-CH
RECEIVER (MODULATOR) FREQ ALIGNMENT POINTS
No.
ITEM
INPUT SETTINGS
OUTPUT SETTINGS
ALIGN FOR
FIG.
Connect a 1 L/R Balance Adj. CD-CH cignal off (Tr No.29 or Pause) Oscilloscope to Q301 Base. Difference between Moduration 2 level Adj. 1. Ref.FM 1kHz 80dBµV Stereo, CD-CH Tr No.1 2. D.Cont Off MOD Lv:2 Connect a AC voltmeter to Receiver PreOut 88.3MHz VR302 FM and a CD-CH level is adjusted to (-0.5±1.0dB). * After Adj. The glue is applied to VR301, VR302. 88.3MHz VR301 Min Level (a)
(Scope Setting Condition for L/R BAL. Adj.) 1. VOLTAGE RANGE : 5mV 2. TIME/DIV : 50µs
Adjusted to be min level point
(Before Adj.) Fig. (a)
(After Adj.)
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