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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.
4-1-3. Video Tracking Check and Adjustment
Adjustment Tape Entrance Side 12. Change the Mode Setting (1) Press the SET button to cancel the SWITCHING PB mode. (2) Turn the search dial while pressing the JOG button so that the �Full PB� is indicated, and press the SET button. n After that, the overlap portion appears on the RF waveform. 13. Adjust the Tracking at Tape Entrance Side (1) Play back the SR2-1/P (00:00 to 15:00). (2) Push S100 switch on the SS-83 board more than 1 sec. so that the tracking VR becomes to be effective. LED: Check that D112 lights up. (3) Turn RV100 on the SS-83 board clockwise and adjust the center portion of the RF envelope waveform makes 80% of the maximum output level. (4) Loosen the height adjustment nut of TG-2, and turn the upper flange so that the tape does not in contact with the upper flange of TG-2. (5) Turn the height adjustment nut of TG-1 so that the overlap portion of the entrance side of the RF envelope waveform makes flat. (Fig. 1) If the waveform does not make flat, perform the check described below. 1 Clean the drum lead with a bamboo stick. (Refer to Section 5-2-4 of the maintenance manual part 1.) 2 Press down the tape by bamboo stick very lightly and check that the tape is running along the drum lead. (6) Turn the height adjustment nut of TG-1 clockwise 30d more from the state of the step (5). n Turning the height adjustment nut causes the waveform of the overlap portion to be not flat. (7) Turn the height adjustment nut of TG-2 to clockwise so that the upper flange contacts the tape. � Continued on the next page. �
DNW-A75/A75P
<SS-83 board, side A> A B C D E F GH TP325 J K L M N P R 1 2
S100 RV100(Tracking VR)
TG-1 height adjustment nut
TG-0
TG-1
TG-2 height adjustment nut
. Alignment tape : SR2-1/SR2-1P (00:00 to 15:00) (Tracking VR : Effective) : D112/SS-83 board lights up <Fig. 1> Overlap(entrance) RF max
80%
Markers
State of step (5) Turn 30d more
TG-1
4-21
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