Lenovo L194 Wide Service Manual page 16

19" LCD Color Monitor
5.2.2 Inverter/Power Board
EMI filter
Lamp
Bridge
Rectifier and
Filter
Start Circuit: R904，R932，R933
PWM Control IC
IC TEA1530AT
Output
Transformer
Circuit
Feedback
Over
Circuit
Voltage
Protect
5V Rectifier
and Filter
Transformer
T901
12V Rectifier
and Filter
Feedback
Over
Voltage
Circuit
Protect
MOSFET
Q802、Q803
PWM Control
IC TL494IDR
16
Lenovo L194 Wide
CN902
5V
12V
ON/OFF
ON/OFF Control
Q805/Q808
DIM Control