Sony BVW-55 Maintenance Manual page 163

1-1. Board Extension
3. Connect the three extension harnesses to the drum assembly.
4. Connect the connectors of the extension board EX-706 to the connectors of the mother board.
5. Connect the connectors of the RP-107 board to the connectors of the extension board EX-706.
6. Connect the extension harnesses to the RP-107 board.
CN7
CN6
RP-107 board CN4
CN3
CN2
CN1
CN102
CN5
Extension board EX-706
Orange
Extension harness (SR66-EQ3) Blue
Red
Yellow
White
Extension harness (DR2)
Drum assembly
Extension harness (DR1)
to CN7 to CN6 to CN4 to CN3 to CN2 to CN1 to CN5
Drum assembly
1-3
BVW-55 P2