Table of Contents
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FEATURES..................................................................................................................... 1
Background .............................................................................................................. 2
TV feature - 3:2 pull down ........................................................................................ 2
- HDMI ™...................................................................................................... 3
DLP ™ CONCEPT .......................................................................................................... 5
............................................................................................................................ 5
.............................................................................................................. 5
DMD ............................................................................................................................ 6
BOARD P/N, LAYOUT AND INTERCONNECTIONS..................................................... 7
................................................................................................................... 7
POWER-ON SEQUENCE ............................................................................................. 11
STANDBY & POWER-ON CIRCUIT............................................................................. 13
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V
COLOR WHEEL OPERATION ..................................................................................... 17
.................................................................................................................... 17
Drive Waveforms.................................................................................................... 19
Output Waveforms ................................................................................................. 21
BALLAST CIRCUIT ...................................................................................................... 23
1.
Generate 20KV to ignite the lamp: .................................................................. 24
2.
Inform the microprocessor that the lamp is on and ......................................... 25
3.
Internally monitor the lamp current:................................................................. 25
4.
Shut off HV to the lamp if it does not ignite: .................................................... 25
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