SONY BVF-20W
Manual de Servicio

1-5. Replacement of CRT
1. Loosen the screw of the MIC clamp and open the MIC 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. (How to disconnect the flexible card wire, refer to Section 1-6.)
Upper chassis K2.6 X 5

6. Remove the three screws and remove the CRT from the VF tube assembly. 7. Remove the CRT tube from the CRT.

CRT

PTP2.6 X 8 CRT tube VF tube assembly PTP2.6 X 8 P2 X 6 Lug

Mic clamp

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 Bolt, hexagon socket 2.6 X 6

CRT

K2 X 5

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 removal. 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/20WCE

1-3(E)