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 7 (click to view)
SECTION 4 DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
4-1. CABINET
� In order to remove the front panel block when the power supply does not turn on, rotate the cam with screwdriver as the figure shows, and the disk table will be moved. Then pull out the disk table by your hand to remove the loading panel. After that take out the front panel block.
Screwdriver
Pull out disk table
4-2. BASE UNIT (BU-5BD24)
3 Yoke bracket BU-5BD24 4 Remove the MD (BU-5BD24) to the direction of arrow.
1 Turn the cam to the direction of arrow (counter clock wise) by screwdriver