Daewoo L32S645WTE, Service Manual

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DAEWOO HDTV
service manual
16
Key check point
1. AC Jack Alternating current input.
2. Fuse Over current protection.
3. EMC groupware For Electro Magnetic Compatibility.
4. Rectifier bridge Transform Alternating Current (AC) to Direct Current (DC).
5. Filter capacitor Store electric energy and output in a mild way.
6. Power control unit Power supply controller.
7. Transformer Transform high voltage to low voltage.
8. Diodes for VCC 12V for DC output, and 32V for backlight, key check point.
9. DC-DC unit Transform high 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 Power supply and video signal output for panel.
14. Backlight controller Adjusting backlight luminance via current control. The voltage of LED bar
will automatically boost to specification setting.
15. Tuner TV signal receiver.
Power control
Tunner
AC Jack
Backlight
control
Decoder
DC-DC
Fuse
EMC
groupware
Rectifier
bridge
Filter
capacitor
Transformer
Diodes for
VCC
AMP
control
Flash
LVDS
interface
Crystal
Key & IR Board