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.
The service manual is a good quality scan of the Blaupunkt RTV-404, which is electrically and mecanically identical to the Panasonic NV-830.
Text excerpt from page 18 (click to view)
6557-03N/03S/43N/43S
2-7. PICTURE TUBE REMOVAL
4 2
Three connectors CN2 (DY) GND (DY) CN4 (DY)
Two screws (+ BVTT 4 x 8)
3
A board
1
Anode cap
6 7
Neck assy
Deflection yoke
5
Picture tube
� REMOVAL OF ANODE-CAP
NOTE: Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon painted on the CRT, after removing the anode.
� REMOVING PROCEDURES
c
b
a
Anode Button
1 Turn up one side of the rubber cap in the direction indicated by the arrow a.
2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b.
� HOW TO HANDLE AN ANODE-CAP
1 Don�t hurt the surface of anode-caps with shartp shaped material! 2 Don�t press the rubber hardly not to hurt inside of anode-caps! A material fitting called as shatter-hook terminal is built in the rubber. 3 Don�t turn the foot of rubber over hardly! The shatter-hook terminal will stick out or hurt the rubber.
3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling up it in the direction of the arrow c.
