LG 32LD350 - Page 40

BALLAST SECTIONBALLAST SECTION
The Ballast receives 24V from the SMPS on CN1 pins 1~5. The Inverter On (INV ON) command
arrivin
g
on CN1
p
in 12 starts the Ballast drive si
g
nals
,
(
120Hz
)
.
gp g,()
P-DIM is delivered from the Main board through the SMPS to the Inverter on CN1 pin 14.
The Ballast responsible for delivering approx. 1.2kV to each of the 8 Cold Cathode Florescent
bulbs. This is accomplished by 8 step-up transformers, 1 for each lamp.
Cover On Cover Off
November LCD TV 32LD350
40