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5. Block Diagram<br />
Main Board<br />
12MHZ<br />
(X401)<br />
Panel Interface<br />
(CN409)<br />
Flash Memory<br />
Pm25LD020C<br />
(U402)<br />
Scalar IC NT68628<br />
(Include MCU, ADC, OSD)<br />
(U401)<br />
Key control Interface<br />
(CN401)<br />
EEPROM<br />
M24C02<br />
(U101)<br />
H sync<br />
V sync<br />
RGB<br />
D-Sub<br />
Connector<br />
(CN101)<br />
LED<br />
(CN803)<br />
D801<br />
L801<br />
12V<br />
MOSFET<br />
(Q806)<br />
Feedback Circuit<br />
PWM Control<br />
MP3389EF<br />
(U801)<br />
ON/OFF<br />
DIM<br />
22
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