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This manual is a complete guide, including later additions. It has all the necessary information about the replacement items. The material quality is great to read.
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This manual is very helpful, correct shematic diagram, and good exploded view.Perfect!
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Alte gescannte Servicepläne sind oft doch etwas undeutlich . Stromlaufpläne werden auf mehrere DIN A4 Seiten aufgeteilt. Alles ziemlich umständlich und zeitaufwendig. Aber mit etwas Mühe geht alles.
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Great item, high resolution, detailed, very easy to work with.
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fast delevery of the manual and very complete manual, now my Akai works again, will buy again, thanks.
XP-EV600/EV600B/EV600D SECTION 4 ELECTRICAL CHECKING
The CD section adjustments are done automatically in this set. In case of operation check, confirm that RF level. Precautions for Check 1. Perform check in the order given. 2. Use YEDS-18 disc (Part No.: 3-702-101-01) unless otherwise indicated. 3. Power supply voltage requirement : DC4.5 V in DC IN jack. (J201) VOLUME button : Minimum HOLD switch : OFF RF Level Check Condition: � Hold the set in horizontal state. Connection:
oscilloscope (AC range) MAIN board TJ401 (RF) TJ403 (RF GND)
+ �
Checking Location: � MAIN board (SIDE B) �
Procedure: 1. Connect the oscilloscope to the test points TJ401 (RF) and TJ403 (RF GND) on the MAIN board. 2. Set a disc. (YEDS-18) 3. Press the u button. 4. Check the oscilloscope waveform is as shown below. A good eye pattern means that the diamond shape (�) in the center of the waveform can be clearly distinguished.
RF Signal reference Waveform (Eye Pattern)
VOLT/DIV : 100 mV (With the 10:1 probe in use) TIME/DIV : 500 ns
TJ403 (RF GND) TJ401 (RF)
RF level 0.45 to 0.70 Vp-p
IC404 IC402
To watch the eye pattern, set the oscilloscope to AC range and increase the vertical sensitivity of the oscilloscope for easy watching.
5.
Stop revolving of the disc motor by pressing the x button.
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