18.5” LCD Color Monitor HCL HCMELWBT11
16
5.2.2 Power Board
DIM
EMI filter
Start Resistor
R904, R932, R933
PWM Control
(IC901)
Transformer
AC input
12V
ON/OFF
Feedback
Circuit
Transformer
(T801)
MOSFET
(Q802)
Lamp
5V
Bridge
Rectifier
and Filter
Feedback
Circuit
Rectifier
diodes
Output
Circuit
PWM Control
TL494IDR
(IC801)
Power Switch
(
Q901
)
Photocoupler
(IC902)
12V
Transistor
(
Q805,Q808
)
Содержание HCMELWBT11
Страница 26: ...18 5 LCD Color Monitor HCL HCMELWBT11 26 7 PCB Layout 7 1 Main Board 715G2904 2 2 ...
Страница 27: ...18 5 LCD Color Monitor HCL HCMELWBT11 27 ...
Страница 28: ...18 5 LCD Color Monitor HCL HCMELWBT11 28 7 2 Power Board 715G2852 2 ...
Страница 29: ...18 5 LCD Color Monitor HCL HCMELWBT11 29 7 3 Key Board 715G2835 1 ...
Страница 38: ...18 5 LCD Color Monitor HCL HCMELWBT11 38 10 Monitor Exploded View ...