Philips da Vinci 46PFL6605D/77, Service Manual, Page: 35 / 108

Circuit Descriptions EN 35 LC9.3L LA 7.
2010-Jul-01
7.8 Ambilight
Refer to Figure 7-10 for the Ambilight architecture.
Figure 7-10 Ambilight architecture
The MTK5392 outputs through an I
2
C bus. The data is then
captured by the LPC2103 microprocessor which converts the
RGB input data (I
2
C) into RGB output through an SPI bus,
which is further transmitted to the Ambilight LED board via an
SPI interface (SPI + extra signals).
1 8 970_20 8 _100 3 25.ep s
100 3 25
M T K 5 3 92
μ
P
LP C 210 3
I
2
C A M B I- S P I
+2
4
V
+ 3 V 3
1M 72
4P 2.0m m
1M 59
1M 09
4P 2.0m m
4p
1M 83
25p F F C
A m b ilight B o a rd 1
T em p s en s or
M T K S S B
P S U
1M 8 4
25p F F C
LE D
driv er
T LC 5946
E E P R O M
1M 83
A m b ilight B o a rd 2
1M 8 4
LE D
driv er
T LC 5946
E E P R O M