The Sony AV-3600 service manual was what I needed for the repair of this unit
Thanks for the good service
Dave
Text excerpt from page 1 (click to view)
AV21BF5ENS AV21BF5EES
SERVICE MANUAL
COLOUR TELEVISION
AV21BF5ENS AV21BF5EES
Supplementary
The updated version of the parts list attached to the SERVICE MANUAL (No.51879, Jan. 2002) for the AV21BF5ENS and AV21BF5EES has been issued. Except for the parts list, please refer to the original SERVICE MANUAL (No.51879, Jan. 2002) for the AV21BF5ENS and AV21BF5EES.