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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.
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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.
Pin No. 1 2 3
Pin Name FIN2
I/o
I
Description Pinto which external pickup photo diode is connected. RFsigmdi screatedbyadding with the FIN1 pin signal. FE signal is created by subtracting from the FEW pin signal.
I
FIN1 E
I I I I I o
Pin to which external pickup photo diode is connected. Pin to which external pickup photo diode is connected. TE signal is created by subtracting from the F pin signal. Pin to which external pickup photo diode is connected. DC component of the TE signal is input. Pin to which external resistor setting the TE signal gain is connected between the TE pin. TE signal output pin. TES �Track Error Sense� comparator input pin. TE signal is passed through a banduass filter then inmrt.
8 9 10 11 12 13 14
I
TESI SCI TH TA TD�
1 I I o 1 I 1 I I 1 o o 1
Shock detection signal input pin. Tracking gain time constant setting pin. TA amplifier output pin. Pin to which external tracking phase compensation constants are connected between the TD and VR pins.
I 1
TD JP TO FD FD-
I Tracking phase compensation setting pin. Tracking jump signal (kick pulse) amplitude setting pin. Tracking control signal output pin. Focusing control signal output pin. Pin to which external focusing phase compensation constants are connected between
15 16 17
the FD and FA pins. 18 FA I Pin to which external focusing phase compensation constants are connected between the FD� and FA- pins. 19
20 I
FAFE FEAGND NC
1 IO ! I
Pin to which external focusing phase compensation constants are connected between the FA and FE pins. I FEsignal output pin. I Pinto which externalFE signal gain setting resistor isconnectedbetween the FEpin.
Analog signal
21 22 23
I I I
I� /
I�
GND.
I No connection. Single ended output of the CV+ and CV� pin input signal. Pin to which external spindle gain setting resistor in 12 cm mode is connected. Pin to which external spindle phase compensation constants are connected together with SPD pin.
0
-+t--=26 27 28 29
30,31
I sPSPD SLEQ SLD
SL�, SL+
1
o
I o I I I I
Spindle control signal output pin. Pin to which external sled phase compensation constants are connected. Sled control signal output pin. Sled advance signal input pin from microprocessor. Tracking jump signal input pin from DSP. T;acking gain control signal input from DSP. Low gain when TGL = H. Tracking off control signal input pin from DSP. Off when TOFF = H.
32,33 34 35
JP-, JP+ TGL TOFF
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