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There are currently no product reviews.
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I do not have very much to say.
The price is quite covenient, delivery was better as promised (about 12 ours, against the specified 24 hours if I remember well), and the quality of the PDF is more than acceptable.
The Service Manual of Sansui R30 itself is also satisfactory: good graphic for schematics and layouts, simple and well structured.
Giovanni Bianchi
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Happy to find finally a schematic for this amplifier. The schematic is of good quality, the pcb layout is useless: all is black. Never the less, it is very easy to find the components on the board using the schematics.
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Hard to find manual was ready the next day. Scans were very legible (including schematics). All the essential parts of the service manual were present (adjustment procedure, schematics, and parts list). It would have been nice if the rest of the manual was included (disassembly procedure, theory of operation, etc.).
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The Service Manual for the Kenwood KR-V55R provided by owner-manuals.com was as described/advertised. The contents provided the necessary information to effect a diagnosis of the unit. The schematics above all else was instrumental in tracing the the signal flow from component to component.
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This manual was the factory original. Excellent value and contained all the details I needed. Easy dowwnload provided the information when I needed it.
Fringe in picture
Picture is interfered by stripe shaped bright spots
There appear streaks or light color on the screen
Check if the antenna is correctly oriented. Maybe there is electric wave reflected from hilltop or building. Possibly due to interference from automobile, train, high voltage transmission line, neon lamp etc. Maybe there is interference between antenna and power supply line. Please try to separate them in a longer distance. Maybe the shielded-layer of signal wire is not connected properly to the connector. Check if interfered by other equipment and if interfered possibly by the equipment like transmitting antenna, non professional radio station and cellular phone.
2.TV set:
Symptoms Unable to switch the power on No picture and sound Possible cause Check to see if the power plug has been inserted properly into the socket. Check to see if the power supply of liquid crystal TV has been switched on. ( as can be indicated by the red LED at the front of the TV set) See if it�s receiving the signal that is transmitted from other source than the station Check if it�s connected to the wrong terminal or if the input mode is correct. Check if the signal cable connection between video frequency source and the liquid crystal TV set is correct. Check if all the picture setups have been corrected. Check is the screen position and size is correctly set up. Check to see if the picture-frame ratio is properly set up. Check the �Component� or �RGB� settings of the liquid crystal TV set and make proper adjustment according to the signal types. Check if the contrast setting is too high. Possibly the output quality of DVD broadcaster is set too high. It maybe also due to improper terminal connection of the video frequency signal in a certain position of the system. Check if the setting for the brightness is too high 6
Deterioration of color phase or color tone Screen position or size is not proper Picture is twisted and deformed Picture color changed or colorless
Picture too bright and there is distortion in the brightest area
Picture is whitish or too bright in the
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