SONY BVF-20WCE Repair Manual

1-5. Replacement of CRT6. Remove the three screws and remove the CRT from
the VF tube assembly.
1. Loosen the screw of the MIC clamp and open the MIC7. Remove the CRT tube from the CRT.
clamp.
2. Remove the two screws (K2.6 X 5).
3. Remove the three hexagonal socket bolts (2.6 X 6) and
remove the upper chassis.
4. Disconnect the flexible card wire of the VR-226 board.
CRT
(How to disconnect the flexible card wire, refer to
Section 1-6.)
PTP2.6 X 8
K2.6 X 5
Upper chassis
CRT tubeVF tube

assembly
Mic clamp
Lug
PTP2.6 X 8
P2 X 6
8. Remove the four screws (K2 X 5) and remove the
mask spacer.
9. Disconnect the connector CN21 on the LP-101 board.
K2 X 5
Mask spacer
Flexible card wire
LP-101 board
VR-266 board
CRT
Bolt, hexagon
K2 X 5
socket 2.6 X 6
5. Disconnect the four connectors CN2, CN4, CN5 and
anode cable of the VF-67 board.
CN21
Anode cable
CRT
10. Install a new CRT in the reverse procedures of remov-
al.
n
When installing the upper chassis, take care not to
clamp the harness between upper and lower chassis.
CN4
CN2
CN5
VF-67 board
BVF-20W/20WCE1-3(E)