Sony RMT-B109A - Circuit Boards Location; Switching Regulator

2-5E
2-8. SWITCHING REGULATOR
2
two screws +BV3(3-CR)
(tightening torque = 6 to 7
NJIFP
3
switching regulator
2
PS Insulator top
2-9. CIRCUIT BOARDS LOCATION
IF-170 board
MB-138 board
FL-203 board
Switching Regulator
BDP-BX38/S280/S380/S383