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muy buen manual completo de buena calidad de impresion preciso y detallado , muy útil para la reparación.
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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.
3.2.5 Signal processing section
Is the sound output from both channels (L, R)? YES Normal
NO
No sound from either channel. YES Is 9V present at IC101 pin (8)? YES
NO
Compare the L-ch and R-ch to locate the defective point. YES
NO
Check the vicinity of the Q981 audio power supply.
Is the audio signal (including sampling output NO components) output to IC801 pins 39 and 40 during playback YES Is the audio signal output at IC301 pins 1 and 32during playback? YES Check the muting circuit. NO
Check IC801 and its peripheral circuits
Check IC301 and its peripheral circuits
(No.49860)1-25
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