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There are currently no product reviews.
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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.
ADJUSTMENTS IMPORTANT NOTICE
Do not attempt to adjust the following service adjustments except when adjustments are required in servicing otherwise it may cause loss of performance and product safety. + B VOLTAGE ADJUSTMENT 1. Receive white raster pattern. 2. Set controls to normal. 3. Connect digital voltmetre to test point TP-B and GND. 4. Adjust voltage to 150 ±0.5V by using VR641. DRIVE ADJUSTMENT 6. Select item no.3 �REGULAR 3, GRY� (G-Drive) or 4 �REGULAR 4, GRY� (B-Drive) and adjust both initially to 3F. 7. Change data value of each item by using LEVEL + or LEVEL - button to obtain the proper white balance. PCC ADJUSTMENT AGC ADJUSTMENT 1. Input and tune an RF signal which is UHF to the clearest station. 2. Connect digital voltmetre to test point TP-A and GND. 4. Enter to the service mode and select mode �REGULAR�, and select item no.1 �REGULAR 1, AGC�. 5. Press the LEVEL+ or LEVEL - button to adjust voltage to be 3.2Vdc. PCC ADJUSTMENT 1. Receive cross hatch pattern and set screen mode to �FULL�. 2. Enter to the service mode and select mode �WIDE�, and select item no. 7 �WIDE 7.P PCC�. 3. Press the LEVEL+ or LEVEL - button to adjust the vertical line to be straight.
FOCUS ADJUSTMENT By using FOCUS VR, adjust focus control for well defined scanning lines. TRAPEZOID ADJUSTMENT 1. Receive cross hatch pattern and set screen mode to �FULL�. 2. Enter to the service mode and select mode �WIDE�, and select item no. 8 �WIDE 8.P TRP�. 3. Press the LEVEL+ or LEVEL - button to correct the trapezum distortion of the vertical line.
GREY SCALE ADJUSTMENT SCREEN ADJUSTMENT 1. Receive black & white pattern. 2. Enter to the service mode and select mode �REGULAR�, and select item no. 2 �REGULAR 2, CUT�. The horizontal line will appear on the screen. 3. Set the SCREEN VR for one colour to be just visible. 4. Using the numeric buttons shown set each colour to minimum by decreasing to the point where any further decrease resets the adjustment to maximum value. BIAS ADJUSTMENT 5. By using the buttons 1, 2, 4, 5, 7, 8 on the remote control, adjust the line to be white. The key allocation is as follows;
Button No. Operation 1 Increase Red 2 Decrease Red 4 Increase Green 5 Decrease Green 7 Increase Blue 8 Decrease Blue
-10C2WZV
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