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.
un manual completo con una calidad de imagen buena con explicaciones en varios idiomas de los ajustes y detalles en conjunto un OK.
Text excerpt from page 10 (click to view)
ALIGNMENT INSTRUCTIONS
3. VERTICAL SIZE
* The VERTICAL CENTER adjustment has to be done in advance. 1) Apply a RETMA PATTERN Signal. 2) Set the TV to Normal I mode. 3) Adjust the VERTICAL SIZE of the picture with the select V.size by volume UP/DOWN keys.
4. VERTICAL S-CORRECTION ( Fixed : Adjust if need be )
1) Apply a CROSSHATCH PATTERN Signal. 2) Adjust the S-CORRECTION to obtain the same distance between horizontal lines with the S.Curve by volume UP/DOWN keys.
5. HORIZONTAL CENTER
1) Apply a RETMA PATTERN Signal. 2) Adjust picture centering with the select H.Center by volume UP/DOWN keys.
EW 1. WIDTH
1) Apply a RETMA PATTERN Signal. 2) Adjust the horizontal width to make a perfect circle with the select H.Width by volume UP/DOWN keys.
2. PARA
1) Apply a CROSSHATCH PATTERN Signal. 2) Adjust the vertical line to straight with the select E.W Para by volume UP/DOWN keys.
3. CORNER ( Fixed : Adjust if need be )
1) Apply a CROSSHATCH PATTERN Signal. 2) Adjust the vertical line to straight with the select EW.Cor T by volume UP/DOWN keys.
1) Apply a CROSSHATCH PATTERN Signal. volume UP/DOWN keys.
4. SYMMETRY ( Fixed : Adjust if need be )
2) Adjust the symmetrical balance to be suitable with the select EW Sym by
