Philips Q552.1A, Руководство по обслуживанию

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Circuit Descriptions EN 54 Q552.1A LA 7.
2010-Jun-25
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Figure 7-20 TCON architecture
For the TCON block diagram, refer to figure 7-21 TCON block
diagram .
Figure 7-21 TCON block diagram
1 8 770_2 38 _100127.ep s
100402
EEPROM
TFT – LCD Panel
Mini - LVD S
Control
S i g nal s
+ 3 . 3 V
+1. 8 V
V
GH
(+2 8 V)
V
GL
(-6 V)
+12 V
LVD S
(10 bit)
Timin g
Controller
Power
Block
Gamma
Reference
Volta
g e
S ource Drive IC
Gate Drive IC
PNX
8
550
LC D P anel
T C O N M ain P latform
S S B
+16 V
(TCON)
1 8 770_2 3 9_100127.ep s
100127
LV D S
R e c e iv er
LV D S
R e c e iv er
Ve rtic a l & H o rizo n ta l
Tim in g g e n e ra tio n
D a ta
P a th
B lo c k
(L in e
B u ffer)
M ini-LVD S
Tran s mitter
M ini-LVD S
Tran s mitter
O P C
(Optimum
Power
Control)
(Over
Drive
Circuit)
(Dynamic
Contra
s
t
Control)
O D C D C A
F
o
rm
a
tt
e
r/
S
er
ia
li
z
e
r
S p re a d
S p e c tru m
S D R A M
I
2
C
S lav e
I
2
C
M a s ter
R O M
E E P R O M
1 6 bit
H
s y n c
/
V
s ync
DE
S S
C L K
( S p re a d S pectrum C lo c k)
RLV P /N
Ri g ht h alf
data
Gate D river
C trl
S i g n al s
S ource D river
C trl S i g n al s
R 1 A ~E
R 1 C L K
R 2 C L K
R 2 A ~E
M in i-
LVD
S
Output
LVD S
Input
Control
S i g nal
Output
T im in g C o n tro lle r IC