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There are currently no product reviews.
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Exactly what was needed to assess the product - excellent value and great service
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A site where discontinualed schematic diagrams and back dated information can be found on discontinued radios tv's and any electronic equipment can be found. Newer manuals either Service and operating manuals. Radio amateurs should find this site a great source for ham radio equipment manuals. I will return to this site should I need information on any electrical equipment. priced easy to download in a PDF format and print pages need to undertake the repair.
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Quality scan of the original. All the detail necessary to troubleshoot, repair and adjust the unit. I'm sure I will be downloading more manuals in the future as the need arises.
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Exactly as described, a Service Manual complete with the schematics and PCB layout delivered in a timely manner. Many thanks for the great service.
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some of the writing is a bit blur but the part in the schmatic was great and i have fixed the machine thanks
VAA12901-R.3594.A CHECK THE PERFORMANCE AND RESOLUTION �Be sure to check when dissemble and repair the lens-barrel
�(1) Check the performance �� Repeat the following performance several times: After tuning the power switch ON and driving the zoom, turn it OFF. � Confirm that there is no abnormal operation by repeating to check the release performance several times. �(2) Check the resolution By photographying the high-definition resolution chart (J63079), confirm that the TV lines are within the standard. � Standard for the TV lines: more than 1100 TV lines in the Center; more than 750 TVs in the 4 corners. (ref.�The resolution is based on the unit of TV lines that are black-and-white strips distinguished in the TV screen.) (a) The camera is set as follows to take photos: Shooting-mode: Auto, Image quality mode: FINE, Image size: 2272, Flash mode: Flash cancel (b) The uneven pattern in luminance of the chart does not affect, but photograph with the luminance (ISO100, 1/15-1/250) by which the aperture is open. (c) Check the zoom position in the order of WIDE, MIDDLE (press the button 6 times starting from WIDE) and TELE. The object distance is WIDE: approx.65cm, MIDDLE: approx.115cm, TELE: approx.185cm. Set the chart fully screened in the LCD of the camera, and fix on a tripod. (d) Open the photographed image by Photoshop, and confirm it by the magnified display, e.g. 100%, etc. (e) Regarding the resolution of the frame center and the 4 corners, check if it is clear in black and white in the position circled in red as shown in the below.
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�In case either (1) or (2) of the above fails, it is necessary to replace the lens-barrel group unit with the new one.
High-definition resolution chart (J63079) -A6-1 ï½¥ E4300 -
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