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The service manual is a good quality scan of the Panasonic NV-850, which is electrically identical to the Philips VR 6920, but mecanically just nearly.
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The service manual is a good quality scan of the Blaupunkt RTV-404, which is electrically and mecanically identical to the Panasonic NV-830.
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completo manual bien detallado y de buena calidad de impresion , se echa en falta los esquemas de placa y parte de algun diagrama.
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perfecto manual ,completo y detallado de muy buena calidad de impresion, ideal en una palabra.
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un manual completo con una calidad de imagen buena con explicaciones en varios idiomas de los ajustes y detalles en conjunto un OK.
Precautions
1-2 Handling the optical pick-up
The laser diode in the optical pick up may suffer electrostatic breakdown because of potential static electricity from clothing and your body. The following method is recommended. (1) Place a conductive sheet on the work bench (The black sheet used for wrapping repair parts.) (2) Place the set on the conductive sheet so that the chassis is grounded to the sheet. (3) Place your hands on the conductive sheet(This gives them the same ground as the sheet.) (4) Remove the optical pick up block (5) Perform work on top of the conductive sheet. Be careful not to let your clothes or any other static sources to touch the unit. � Be sure to put on a wrist strap grounded to the sheet. � Be sure to lay a conductive sheet made of copper etc. Which is grounded to the table.
THE UNIT 1M WRIST-STRAP FOR GROUNDING
1M
CONDUCTIVE SHEET
Fig.1-2
(6) Short the short terminal on the PCB, which is inside the Pick-Up ASS�Y, before replacing the PickUp. (The short terminal is shorted when the PickUp Ass�y is being lifted or moved.) (7) After replacing the Pick-up, open the short terminal on the PCB.
Samsung Electronics
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