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Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
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manual excelente completo , diagramas y esquemas bien presentados y buena calidad de imagen.
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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.
TROUBLE SHOOTING TABLE
No picture comes out. Check P2004 (RM) #4pin
H L
Check P2004 (RM) #8pin
H and L L and H only
Check the power unit. Blinking once? (At regular intervals)
NO YES Check the power unit. CCKM and D5V line are not defective.
Blinking once?
NO YES To "The backlight does not go on."
Blinking twice? NO
YES Check the panel power supply circuit.
Blinking five times?
NO YES Check the temperature of the set.
Blinking six times?
NO YES Check the fan motor and its peripheral circuits.
Blinking seven times?
YES Check the temperature of the 1-bit amplifier unit.
NO
Is the Backlight off?
YES To "The backlight does not go on."
Is there the clock output at pin (40) of IC4602?
YES
NO NO
Check the FFC (LV, SC4601) connections.
Does the adjustment process menu appear? YES Check IC4701, IC4901 and their peripheral circuits.
Check IC4501 and its peripheral circuits.
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