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This manual is very useful because it presents the technical specifications of the cd player, including the manufacturer of the reader, this helps if you need to replace it. It also displays the settings and layout of the circuit.
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Manual was a good representation of service infomation for the EWV404. It worked well for my repair.
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Great quality copy, right what I was looking for, all I need to fix my radio.
Thanks
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I BOUGHT A PAIR OF INFINITY VINTAGE SPEAKERS THAT REQUIRED TO BE REPAIRED AND THE ELECTRONIC TECHNICIAN ASKED ME FOR THE SERVICE MANUAL.
I TRIED TO GET IT AT THE MANUFACTURER'S SITE WITH NO SUCCESS, SO I STARTED TO LOOK FOR IT IN THE WEB FOR A LONG TIME, UNTIL I FOUND THE SERVICE MANUAL IN THIS EXCELLENT SITE "OWNER'S MANUAL.COM".
NOW I HAVE MY SPEAKERS WORKING AND ENJOYING THE MUSIC I LIKE.
THANKS TO "OWNER`S MANUAL.COM" I RECOMMEND THIS SITE TO EVERYONE.
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Very quick response. Very good and accurate print quality of the scanned document.
SECTION 5 ADJUSTMENTS
CD SECTION
Precautions for Adjustment 1. Before beginning adjustment, set the equipment to service mode. After the completion of adjustment, be sure to reset the service mode. For more information, see �Service Mode (service program)� on page 8. 2. Perform adjustments in the order given. 3. Use the disc (YEDS-18. Part No. 3-702-101-01) unless otherwise indicated. 4. Power supply voltage requirement : DC 4.5 V HOLD switch : OFF VOLUME : Minimum BASS BOOST switch : NORM AVLS switch : OFF Before Beginning Adjustment Set the equipment to service mode (See page 8) and check the following. If there in an error, repair the equipment. � Checking of the sled motor 1. Open the upper panel. 2. Press the + and = keys and check that the optical pick-up can move smoothly without sluggishness or abnormal noise from innermost periphery to outermost periphery then to innermost periphery. + : The optical pick-up moves outwardly = : The optical pick-up moves inwardly � Checking of focus searching 1. Open the upper panel. 2. Press the ^ key. (Focus searching operation is activated continuously). 3. Check the object lens of the optical pick-up for smooth up/down motion without sluggishness or abnormal noise. 4. Press the p key. Check that focus searching operation is deactivated. If not, again press the p key slightly longer.
+ �
Focus Bias Check Condition : � Hold the set in horizontal state. Procedure : [MAIN BOARD] (Side B)
oscilloscope (AC range) 2k � IC501 @£ pin (RFO)
IC501 #º pin (VC)
23 30
IC501
1. Set the equipment to service mode stop state (See page 8). 2. Connect the oscilloscope between IC501 @£ pin (RF0) and #º pin (VC) on the MAIN board. 3. Move the optical pick-up by Pressing the + and = keys. 4. Put the disc (YEDS-18). 5. Press the ^ key. From focus searching, focus is turned ON while entering CLV drawing-in mode. Tracking and sled are turned OFF.
(
)
6. Press the PLAY MODE key. (Both tracking and sled are turned ON). 7. 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 level 0.85 � 1.15V
� RF Signal Reference Waveform (eye pattern) To watch the eye pattern, set the oscilloscope to AC range and increase the vertical sensitivity of the oscilloscope for easy watching. 8. Stop removing of the motor by pressing the p key. 9. After the completion of adjustment, reset service mode. (See page 8 )
�9�
 $4.99 D-F411 SONY
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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