Philips 192E1SB/70 Service Manual page 19

Meridian 1
19
5.2.2 Power/Inverter Board
AC input
12V
Bridge
Rectifier
Transformer
EMI filter Rectifier
diodes
and Filter
5V
Start Resistor
(R904, R932)
Feedback
PWM Control
Circuit
Power Switch
(IC901)
(Q901)
Photocoupler
(IC902)
Output
Transformer
12V
Circuit (PT801)
Lamp
ON/OFF
PWM Control
Feedback
MPS10091
Circuit
DIM
(U801)