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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
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Perfect. Received my manual within 24 hours. Clear scan of the manual I needed. No problem.
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Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
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Really good and well scanned. File is complete the full service manual for 5$
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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