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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.
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6. ADJUSTMENT
[Purpose]
If the combination of MAIN Assy and LOADER Assy is changed, the adjusted value for LD power will be shifted, and stable playback or recording of a disc will become impossible. Therefore, when the combination of MAIN Assy and LOADER Assy is changed, LD power adjustment and adjustment for disc judgment will be necessary. Be sure to do this adjustment at following cases. � When replacing MAIN Assy � When replacing LOADER Assy
[Tools to be used]
� Special tool for adjusting the LD power (GGF1559) � 10-pin FFC flexible cable (GGD1477) � CD-ROM test disc: CDT-313 (GGV1054) � DVD dual-layer test disc: DVDT-002 (GGV1036)
A
[Notes]
Never turn the power off while any of the following operations is in progress: � While laser diode (LD) power adjustment is being performed normally by the unit � While adjustment for disc judgment is being performed
B
[Connections]
� Connections for adjusting the LD power
Special tool for adjusting the LD power
POWER SUPPLY Unit HDD
C
Main Assy and writer
Note: Before adjusting the LD power, disconnect the power to the HDD and the flexible cable for ATA (40-pin). � To which the special tool for adjusting the LD power is connected
The right side (see the figure below) of the connector is for connection of the flexible cable.
GGD1477 GGF1559
CN5601
D
Main Assy
CN1402 CN1401
Special tool for adjusting the LD power
Connect the 10-pin flexible cable to the lower part of CN401.
� Setting of the switches on the special tool for adjusting the LD power
E
GGF1559 Set all five switches to ON.
F
DVR-540HX-S
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