Mechanical Disassemblies - Fisher PC-R20R2 Service Manual

Mechanical Disassemblies

CABINET BACK REMOVAL
1. Refer to Figure 1,remove 9 screws.
2. Pull off cabinet back and remove.
CHASSIS REMOVAL
1. Remove cabinet back.
2. Discharge the picture tube anode(2nd anode lead) to the
dag coating (picture tube grounding lead).
3. Disconnect Degaussing coil socket(KE),Picture tube socket,
Deflection yoke connector (KDY), Speaker connectors(KL
and KR), and 2nd anode lead.
4. Remove chassis completely by sliding it straight back.
PICTURE TUBE REMOVAL
CAUTION:
1. Remove chassis, referring to Chassis Removal instructions.
2. Place cabinet front face down on the soft surface.
3. Remove the screw on each corner of the picture tube and
GENTLY lift the picture tube out of the cabinet.
4. Install a replacement picture tube in reverse order.
Properly install the degaussing coil and picture tube
grounding lead on the picture tube. See Figure 2.
Note: If the Picture Tube is being replaced, mount the
DEGAUSSING
COIL
To CRT Unit
DEGAUSSING
ground
COIL SOCKET
-22-
Do not disturb the deflection yoke
or magnet assembly on the picture tube
Neck. Care must be taken to keep these
assemblies intact, unless picture tube is
being replaced. Discharge the picture tube
to the coating before handing the Tube.
Degaussing Coil on the picture tube. See following..
DEGAUSSING
COIL HOLDER
PICTURE TUBE
GROUNDING LEAD