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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.
DRM-1004, DR-R102
� Connections
Personal Computer (DOS/V Machine)
SCSI Cable Set the SCSI ID to "0".
+5V and +12V
DC Power Supply
CD-R DRIVE UNIT (DR-R102)
� Preparations
� Set the SCSI ID to "0". � Turn on the power to the drive, insert the destination disc in clamp-up state, manually clamp the disc and short-circuit the changer interface connector (CN502: pins 4 and 5). When stopping, reverse this procedure.
WIFB BOARD ASSY
Short-circuit
CN502
5
GND
4
XCLAMP
Rear
Note: Be sure to execute the diagnostic program always in DOS mode. The DOS window of Windows is unstable with the diagnostic program.
Test 1: Checking the playback performance of a pressed disc (Test item: CDT-304)
� Disc to use Test disc CDT-304 � Test contents Test Items
Number of C1 errors at the inner and outer peripheries Full-stroke seek time Random read time Transfer rate
Standard Values
Less than 22/second (The number of C2 errors is regarded as a reference.) 300 ms or less 210 ms or less 2700 Kbytes/s or more
� Check method Select "CDT-304" and execute it by pressing the "Space" key (takes approx. 1 minute). If all the items are within the standard value range, "OK" is displayed. (If any are out of the standard value range, "NG" will be displayed, and a warning will sound. Press the "Escape" key to cancel.)
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