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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.
SECTION 3 TEST MODE
[MC Cold Reset] � The cold reset clears all data including preset data stored in the RAM to initial conditions. Execute this mode when returning the set to the customer. Procedure: 1. Press three buttons GROOVE , ENTER/NEXT , and DISC 1 simultaneously. 2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset. [CD Delivery Mode] � This mode moves the pickup to the position durable to vibration. Use this mode when returning the set to the customer after repair. Procedure: 1. Press POWER button to turn the set ON. 2. Press PLAY MODE button and POWER button simultaneously. 3. A message �LOCK� is displayed on the fluorescent indicator tube, and the CD delivery mode is set. [MC Hot Reset] � This mode resets the set with the preset data kept stored in the memory. The hot reset mode functions same as if the power cord is plugged in and out. Procedure: 1. Press three buttons GROOVE , ENTER/NEXT , and DISC 2 simultaneously. 2. The fluorescent indicator tube becomes blank instantaneously, and the set is reset. [Sled Servo Mode] � This mode can run the CD sled motor freely. Use this mode, for instance, when cleaning the pickup. Procedure: 1. Select the function �CD�. 2. Press three buttons GROOVE , ENTER/NEXT , and FLASH simultaneously. 3. The Sled Servo mode is selected, if �CD� is blanking on the fluorescent indicator tube. 4. With the CD in stop status, press ) button in CD section to move the pickup to outside track, or 0 button to inside track. 5. To exit from this mode, perform as follows: 1) Move the pickup to the most inside track. 2) Press three buttons in the same manner as step 2. Note: � Always move the pickup to most inside track when exiting from this mode. Otherwise, a disc will not be unloaded. � Do not run the sled motor excessively, otherwise the gear can be chipped. [Change-over of FUNCTION Name] � The FUNCTION name of external input terminal can be changed over to VIDEO or MD. With the FUNCTION selected to �MD�, about 5dB mute is applied to the input gain. Procedure: 1. Press POWER button to turn the set OFF. 2. Press POWER button together with FUNCTION button, and the power is turned on, the display of fluorescent indicator tube changes to �MD� or �VIDEO� instantaneously, and thus the FUNCTION is changed over. [Change-over of AM Tuner Step between 9kHz and 10kHz] � A step of AM channels can be changed over between 9kHz and 10kHz. Procedure: 1. Press POWER button to turn the set ON. 2. Select the function �TUNER�, and press TUNER/BAND button to select the BAND �AM�. 3. Press POWER button to turn the set OFF. 4. Press ENTER/NEXT and POWER buttons simultaneously, and the display of fluorescent indicator tube changes to �AM 9k STEP� or �AM 10k STEP�, and thus the channel step is changed over. [LED and Fluorescent Indicator Tube All Lit, Key Check Mode] Procedure: 1. Press three buttons GROOVE , ENTER/NEXT , and DISC 3 simultaneously. 2. LEDs and fluorescent indicator tube are all turned on. Press DISC 2 button, and the key check mode is activated. 3. In the key check mode, the fluorescent indicator tube displays �K 1 V0 J0�. Each time a button is pressed, �K�value increases. However, once a button is pressed, it is no longer taken into account. �J� Value increases like 1, 2, 3 ... if rotating JOG knob in �+� direction, or it decreases like 0, 9, 8 ... if rotating in ��� direction. �V� Value increases like 1, 2, 3 ... if rotating VOLUME knob in �+� direction, or it decreases like 0, 9, 8 ... if rotating in ��� direction. 4. To exit from this mode, press three buttons in the same manner as step 1, or disconnect the power cord.
� 30 �
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