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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.
B.
No disc
.Power on
Check loading Part.
Does tray open or close?
NO
Push Pick-up to inner track to the end by hand.
YES Does PMD03 Pin 7 change high to low? YES Pressing the open/close key repeatedly, check the voltage of IC2M1 Pins 13, 14 change 0V to 5V YES Does the voltage change at PMD04 Pins 1, 2 more than 2V on the basis of 3.8V? YES
NO
DECK assembly is defective. (Limit sw)
NO check µ-COM Part.
NO Replace IC2M1.
DECK assembly is defective. Fig.1. SLED Driver waveform
Does the pick-up slide inner or outer track? YES
NO
Check SLED Driver output. IC201 Pin 88 IC2M1 Pins 28, 29.
IC201 Pin 88 no output : IC201 is defective IC2M1 Pin 18 no output : IC2M1 is defective
Fig.2. Focus Driver waveform NO Check Focus Driver output. (IC201 Pin 83, IC2M1 Pins 37, 38) IC201 Pin 83 no output : IC201 is defective IC2M1 Pins 1, 2 no output : IC2M1 is defective
Does the pick-up lens move up and down? YES Slide the pick-up to inner track.
END
2-9
 $4.99 L56 NAD
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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