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 27 (click to view)
Level 1 and 2 Service Manual
Disassembly
Removing and Replacing the Volume Switch Dome
1. 2. Remove the battery cover, battery, rear housing, and transceiver PC board, as described in the procedures. Lift the switch domes out from the front housing as shown in Figure 13.
Plastic Tweezers Volume Switch Dome
Front Housing
Figure 13. Removing and Replacing the Volume Switch Dome 3. 4. To replace, insert the volume switch dome into the proper location in the front housing. Replace the transceiver PC board, rear housing, battery, and battery cover as described in the procedures.
