Daewoo L32S645WTE Service Manual page 16

Key check point
Tunner
Backlight
control
1. AC Jack Alternating current input.
2. Fuse Over c urrent p rotection.
3. EMC groupware
4. Rectifier bridge
5. Filter capacitor
6. Power control unit
7. Transformer Transform high voltage to low voltage.
8. Diodes for VCC
9. DC-DC uni t Transform hi g h DC voltage (12V) to low voltage. Find detail description in next
page.
10. AMP Control Receive audio signal and amplify for speaker use. Mute controller.
11. Flash memory Random Access Memory for TV software and user information.
12. Decoder TV function controller and video signal decoder.
13. LVDS interface
14. Backlight controller
will automatically boost to specification setting.
15. Tuner TV s ignal r e ceiver.
Flash
Decoder
Crystal
Diodes for
VCC
For Electro Magnetic Compatibility.
Transform Alternating Current (AC) to Direct Current (DC).
Store electric energy and output in a mild way.
Power supply controller.
12V for DC output, and 32V for backlight, key check point.
Power supply and video signal output for panel.
Adjusting backlight luminance via current control. The voltage of LED bar
Key & IR Board
DC-DC
Filter
capacitor
Power control
Transformer
16
DAEWOO HDTV service manual
AMP
control
LVDS
interface
EMC
groupware
Fuse
AC Jack
Rectifier
bridge