Philips 160E1SB/93 - Page 18

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Meridian 1
18
5.2.2 Power/Inverter Board
ON/OFF
EMI filter
Start Resistor
(R904, R932)
PWM Control
(IC901)
Transformer
AC input
12V
Feedback
Circui
t
Transformer
(T801)
MOSFET
(Q802)
Lamp
5V
Bridge
Rectifier
and Filter
Feedback
Circuit
Rectifier
diodes
Output
Circui
t
PWM Control
TL494IDR
(IC801)
Power Switch
(Q901)
Photocoupler
(IC902)
12V
DIM