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VERY GOOD SERVICE.FAST ANS VERY HONEST PRICE .RHAANK HERNAN
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Thanks to this service manual I repaired my old camcorder! The manual perfectly explains how to disassemble the camcorder step by step.
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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
4-1-3. Video Tracking Check and Adjustment
(4) Turn the height adjustment nut of TG-3 counterclockwise by one to two turns so that the tape does not in contact with the upper flange of TG-3. (5) Turn the height adjustment nut of TG-4 clockwise so that the tape does not in contact with the lower flange of TG-4. (6) Turn the zenith adjustment screw of the AT head so that the right portion of the RF envelope waveform makes 50% to 100% of the maximum output level. (Fig. 1) At this time, check that the tape does not in contact with both upper flange of TG-3 and lower flange of TG-4. If the tape contacts either flange, repeat step (4) or (5). If the tape moves upward or downward following the guide flange movement, perform the following adjustment. This trouble cause is uneven tape tension at upside or downside of the tape caused by AT head zenith. . If the tape moves upward at TG-3: Turn the zenith adjustment screw counterclockwise. . If the tape moves downward at TG-4: Turn the zenith adjustment screw clockwise. (7) Turn the height adjustment nut of TG-3 so that the tape is in contacts with the upper flange and the RF envelope waveform becomes flat. (Fig. 2) At this time, the tape does not in contact with the lower flange of TG-4. If the waveform does not become flat, perform the check and adjustment 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 without aparting from the drum lead. 3 If the waveform does not become flat even though steps 1 and 2 mentioned above are performed, adjust the height of TG-3 so that the RF envelope waveform is nearly flat within the range of the specification 12 shown in the Fig.3. At this time, do not overpress the tape at TG-3. � Continued on the next page. �
Marker
TG-4
AT head
TG-3
. Alignment tape : SR2-1/SR2-1P (00:00 to 15:00)
AT head
Zenith adjustment screw
. Alignment tape : SR2-1/SR2-1P (00:00 to 15:00) (Tracking VR : Effective) : D112/SS-83 board lights up <Fig. 1> RF max
80%
50% ~100% Marker
<Fig. 2> Be flat If the pressure against the tape at TG-3 is too much, the waveform becomes as shown in the right figure. (NG)
4-24
DNW-A65/A65P
 $4.99 DNW-A65 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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