Panasonic PT-50LC13 Service Manual page 32

VIDEO SIGNAL PATH II BLOCK DIAGRAM (1/2)
LCD DRIVE C.B.A.
IC2502 (LVDS RECEIVER)
LVDS DATA A(+) P2501-14
10
LVDS DATA A(-) P2501-15 9
LVDS DATA B(+) P2501-11
12
LVDS SERIAL TO
LVDS DATA B(-) P2501-12 11
TTL PARALLEL
FROM VIDEO I
LVDS DATA C(+) P2501-8 16
CONVERTER
SIGNAL PATH
LVDS DATA C(-) P2501-9 15
BLOCK DIAGRAM
LVDS DATA D(+) P2501-2 20
LVDS DATA D(-) P2501-3 19
LVDS CLOCK(+) P2501-5 18
LVDS CLOCK(-) P2501-6 17
PLL
IC2501
13,23,31,40,48,56
+3.3V
+5V 5 4 VCC
REG.
IC2505 (COLOR CORRECTION/LCD TIMING GENERATOR)
R DATA (8BIT)
30,32-35, 160-162,
37-39 164-168
G DATA (8BIT)
41-43,45-47,
147-154
49,50
B DATA (8BIT)
1-3,5,51, 136-141,
53-55 143,144
H-SYNC H-SYNC
29 7
V-SYNC V-SYNC
27 8
CLOCK(76 MHz)
26 13
SERIAL CLOCK 120 SERIAL CLOCK
FROM
SYSTEM CONTROL
SERIAL DATA 1 119 SERIAL DATA 1
BLOCK DIAGRAM
CS(L) 121 CS(L)
<FROM IC2304(52)> RESET(L) RESET(L)
122
<FROM IC2304(57)> CORRECT ON(L) CORRECT ON(L)
6
1,12,26,35,44,56,66,
75,80,88,89,98,109,
131,132,155,176
+3.3V VCC
IC2504
15,45,74,103,133,163
+2.5V
VCC
8 1
REG.
R DATA (10BIT)
19,20,24,25,
27-30,32,33
STSQE(R)
37
STSQO(R) 38
XFR(R)
36
S/H CLOCK(R) 34
FRP 40
XFRP 70
G DATA (10BIT)
50,51,53-55,
58-62
STSQE(G) 68
STSQO(G)
69
XFR(G) 67
S/H CLOCK(G)
63
<FROM IC2304(60)> XDIR X
<FROM IC2304(59)> DIR X
<FROM IC2304(50)> DIR Y
B DATA (10BIT)
82,83,85-87,
90-92,94,95
STSQE(B)
99
STSQO(B) 100
XFR(B)
97
S/H CLOCK(B) 96
NRG
114
ENABLE 1 71
ENABLE 2 72
ENABLE 3 76
ENABLE 4 77
DY 115
DX 78
CLY
116
CLX
79
Q2009
LEVEL SHIFTER
Q2010, 2011
LEVEL SHIFTER
Q2001, 2002
LEVEL SHIFTER
Q2003, 2004
LEVEL SHIFTER
Q2005, 2006
LEVEL SHIFTER
Q2007, 2008
LEVEL SHIFTER
IC2008 (LEVEL SHIFTER)
+5V 2 VCC VCC 1,30 +15.3V
7 LEVEL SHIFTER 26
8 LEVEL SHIFTER 24
10 LEVEL SHIFTER 20
6 LEVEL SHIFTER 27
LEVEL SHIFTER
9 23
22
LEVEL SHIFTER
5
28
LEVEL SHIFTER
11 19
18
0/5V ---> 0/15.3V
VIDEO SIGNAL PATH II BLOCK DIAGRAM (1/2)
PT-50LC13