Panasonic PT-56LCX66, Service Manual, Page: 56 / 83

PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16
LCD DRIVE P.C.B.
CN2001-1
CN2001-2
CN2001-3
CN2001-(4-15)
CN2001-16
CN2001-17
CN2001-18
CN2001-19
CN2001-20
CN2001-21
CN2001-22
CN2001-23
CN2001-24
CN2001-25
CN2001-26
CN2001-27
CN2001-28
CN2001-29
CN2001-30
CN2001-31
CN2001-32
CN2001-33
CN2001-34
CN2001-35
CN2001-36
CN2502-14
CN2502-15
CN2502-11
CN2502-12
CN2502-8
CN2502-9
CN2502-2
CN2502-3
CN2502-5
CN2502-6
IC2503 (SIGNAL PROCESS FOR LCD PANEL) IC2504 (LVDS RECEIVER)
IC2501
LCD(R)
VIDEO SIGNAL
A8,A9,B8-B10,
C8-C10
J1-J3,K1-K3,L1-L3,M1-M3,
N1-N3,P1-P3,R2,R3
A11-A13,B11-B13,
C12,C13
A15,A16,B15-B17,
C15-C17
30,32-35,
37-39
41-43,45-47,
49,50
1-3,5,51,
53-55
VDD2(+3.3V) +3.3V
+5V
+1.8V
REG.
VDD1(+1.8V)
T3
R1
W13
L20
L19
V13
10
9
12
11
16
15
20
19
18
17
A1
A2
E1
A6
29
27
26
E20
3 1
IC2502
+3.3V
REG.
VCC 4 5
13,23,31,40,48,56
H-SYNC
V-SYNC
H-SYNC
R DATA (8BIT)
R DATA
(20BIT)
CONTROL LOGIC
& DAC LATCH
G DATA
(20BIT)
B DATA
(20BIT)
LVDS DATA A(+)
FROM VIDEO I
SIGNAL PATH
BLOCK DIAGRAM
(CN5700)
LVDS DATA A(-)
LVDS DATA B(+)
LVDS DATA B(-)
LVDS DATA C(+)
LVDS DATA C(-)
LVDS DATA D(+)
LVDS DATA D(-)
LVDS CLOCK(+)
LVDS CLOCK(-)
G DATA (8BIT)
B DATA (8BIT)
V-SYNC
CLOCK(76 MHz)
<FROM IC2301(34)> RESET(L)
<FROM IC2301(37)> CORRECT ON(L)
RESET(L)
CORRECT ON(L)
XFR(R)
RESET(L)
S/H CLOCK(R)
XFR(G)
S/H CLOCK(G)
XFR(B)
S/H CLOCK(B)
LVDS SERIAL TO
TTL PARALLEL
CONVERTER
PLL
+3.3V
+15.5V
+15.5V
V-REF
(+7V)
V-REF
(+9.3V)
IC2003,IC2004 (SAMPLING HOLD)
TP2001
T1 STSQO(R)
V14 STSQO(G)
W14 FRP(G)
W20 DIRX(G)
K19
STSQO(B)
V5
DIRX(R)
K20 FRP(B)
IC2002,IC2005 (SAMPLING HOLD)
IC2001,IC2006 (SAMPLING HOLD)
LCDCOM
MONITOR
MONITOR
MONITOR
NON UNIFORMITY COLOR COMPENSATION
GAMMA CORRECTION
WHITE BALANCE CONTROL
TIMING GENERATOR FOR PANEL DRIVE
C5,C14,ETC
D7,D8,ETC
IC2007 (LEVEL SHIFTER)
3
4
70-79
64
65
V-REF
(+7V)
V-REF
(+9.3V)
64
65
V-REF
(+7V)
V-REF
(+9.3V)
64
65
+3.3V
+15.5V
TP2004
(IC2004 PIN49 LINE)
VCC
VCC 18,28,ETC
16
80
49,51,53,
55,57,59
3
4
70-79
3
4
5
6
7
5
6
7
5
6
7
70-79
48
10
40
41
42
43
44
5
6
8
35
33
32
31
25
29
28
27
26
20
19
18
17
16
15
14
CN2002-1
CN2002-2
CN2002-3
CN2002-(4-15)
CN2002-16
CN2002-17
CN2002-18
CN2002-19
CN2002-20
CN2002-21
CN2002-22
CN2002-23
CN2002-24
CN2002-25
CN2002-26
CN2002-27
CN2002-28
CN2002-29
CN2002-30
CN2002-31
CN2002-32
CN2002-33
CN2002-34
CN2002-35
CN2002-36
LCD(G)
RESET(L)
+3.3V
+15.5V
TP2002
LCDCOM
IC2008 (LEVEL SHIFTER)
TP2005
(IC2005 PIN49 LINE)
VCC
VCC 18,28,ETC
16
80
49,51,53,
55,57,59
48
10
40
41
42
43
44
5
6
8
35
33
32
31
25
29
28
27
26
20
19
18
17
16
15
14
CN2003-1
CN2003-2
CN2003-3
CN2003-(4-15)
CN2003-16
CN2003-17
CN2003-18
CN2003-19
CN2003-20
CN2003-21
CN2003-22
CN2003-23
CN2003-24
CN2003-25
CN2003-26
CN2003-27
CN2003-28
CN2003-29
CN2003-30
CN2003-31
CN2003-32
CN2003-33
CN2003-34
CN2003-35
CN2003-36
LCD(B)
RESET(L)
+3.3V
+15.5V
TP2003
LCDCOM
IC2009 (LEVEL SHIFTER)
TP2006
(IC2006 PIN49 LINE)
VCC
VCC
18,28,ETC
16
80
49,51,53,
55,57,59
48
10
40
41
42
43
44
5
6
8
35
33
32
31
25
29
28
27
26
20
19
18
17
16
15
14
CLXOUT(G)
DXOUT(G)
DYOUT(B)
CLYOUT(B)
NRG
ENBY2(B)
ENBY1(B)
ENBX1(G)
C20
W16
Y16
H19
H18
Y20
J19
J20
13,22,34
VDD
12,37,39
VDD
+3.3V
+15.5V
13,22,34
VDD
12,37,39
VDD
+3.3V
+15.5V
13,22,34
VDD
12,37,39
VDD
V6,V8-V12,
W6-W12,Y6-Y12
L18,M18-M20,N18-N20,P19,P20,
R18-R20,T18-T20,U18-U20,V19,V20
D/A
COVERTER
SCALE
CONTROL
D/A
COVERTER
PLL
SERIAL
I/F
LEVEL
SHIFTER
ON/OFF
SW
ON/OFF
SW
PLL
LEVEL
SHIFTER
PLL
LEVEL
SHIFTER
CONTROL LOGIC
& DAC LATCH D/A
COVERTER
SCALE
CONTROL
D/A
COVERTER
SERIAL
I/F
ON/OFF
SW
ON/OFF
SW
CONTROL LOGIC
& DAC LATCH D/A
COVERTER
SCALE
CONTROL
D/A
COVERTER
SERIAL
I/F
ON/OFF
SW
ON/OFF
SW
VIDEO SIGNAL PATH II BLOCK DIAGRAM
VIDEO SIGNAL PATH II BLOCK DIAGRAM
PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
56