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Meridian 2
18
5.2 Adapter/Inverter/Converter Board
Inverter Board for 191E2
Converter Board for 191EL2
ENA
Feedback Circuit
Transformer
(PT801, PT802)
Lamp
Output
Circuit
PWM Control
ta9687GN
(IC801)
12V
DIM
MOSFET
APM4548A
5V
Protect Circuit
12V
EMI filter
Start Resistor
(R934, R906)
PWM Control
(IC901)
Transformer
AC input
Bridge
Rectifier
and Filter
Feedback
Circuit
Rectifier
Diodes
Power Switch
(Q901)
Photocoupler
(IC902)
ENA
Current Feedback
LED
panel
Boost Circuit
Setup-up Controller
TA9690GN
(IC801)
12V
DIM
OVP Circuit