可以上网下載 philips bdp9700 service manual !
all components and circuitry are included.
A is u19, 7809, positive 9 volt requlator, TO-220 package
B is u22, 7909, negative 9 volt requlator, TO-220 package
c is BD1, kbp306, 3A 600v general purpose bridge rectifier, glass passivated single phase application
全係 AV board既 power supply 零件, 普通野泥。