Panasonic PT-60LCX64-K Service Manual page 147

VIDEO SIGNAL PATH III BLOCK DIAGRAM (Model: PT-60LCX64)
LCD DRIVE C.B.A.
IC2503 (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 II
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
IC2502
13,23,31,40,48,56
+3.3V
+5V 5 4 VCC
REG.
<FROM IC2304(52)> RESET(L)
<FROM IC2304(57)> CORRECT ON(L)
IC2505 (SIGNAL PROCESS FOR LCD PANEL)
WF125
R DATA (8BIT)
30,32-35, A5-A7,B6-B8,
W4-W6,Y1-Y7
37-39 C7,C8
S/H CLOCK(R)
XFR(R)
STSQO(R)
NON UNIFORMITY COLOR COMPENSATION
WF126
G DATA (8BIT) GAMMA CORRECTION
41-43,45-47, A10-A12,B10-B12,
49,50 C10,C11
WHITE BALANCE CONTROL
TIMING GENERATOR FOR PANEL DRIVE
ENABLE 4
WF127
ENABLE 3
B DATA (8BIT)
1-3,5,51, A15,A16,B14-B16,
ENABLE 2
53-55 C14-C16
ENABLE 1
WF128
H-SYNC H-SYNC
29 E2
WF129
V-SYNC 27 D2 V-SYNC
26 E1 CLOCK(76 MHz)
WF130
W15-W19,Y16-Y20
S/H CLOCK(G)
XFR(G)
STSQO(G)
D20,E19,E20,F19,F20,
G19,G20,H19,H20,J18
S/H CLOCK(B)
XFR(B)
STSQO(B)
C19 RESET(L)
H2 CORRECT ON(L)
H4,H5,ETC
+3.3V VDD2(+3.3V)
SERIAL DATA 0
IC2501
SERIAL CLOCK
D7,D8,ETC
+1.8V
8 1 VDD1(+1.8V)
REG.
IC2001 (SAMPLING HOLD)
6
WF131
WF112
R DATA (10BIT)
D/A
86-95
CONVERTER
V2 96
CONTROL
V1 97
LOGIC
W3 98
& DAC LATCH
FRP U1 99
100
WF113 WF114 WF115
DY M19 24
23
DX Y10 33
V9 37
W9 36
LEVEL
Y9 35
SHIFTER
W10 34
(3.3V --> 15.5V)
NRG M1 27
22
CLX
W8 38
CLY
M18 25
3
SERIAL
5
INTERFACE
4
V-REF-H(+7V) 12
SCALE
11
CONTROL
V-REF-L(+5V) 10
D/A CONVERTER
IC2002 (SAMPLING HOLD)
6
WF132
WF116
G DATA (10BIT)
D/A
86-95
CONVERTER
W13 96
CONTROL
V13 97
LOGIC
Y15 98
& DAC LATCH
XFRP Y13 99
100
WF117 WF118 WF119
24
23
33
37
36
LEVEL
35
SHIFTER
34
(3.3V --> 15.5V)
27
22
38
25
3
SERIAL
5
INTERFACE
4
V-REF-H(+7V) 12
SCALE
11
CONTROL
V-REF-L(+5V) 10
D/A CONVERTER
IC2003 (SAMPLING HOLD)
6
WF120 WF133
B DATA (10BIT)
D/A
86-95
CONVERTER
K20 96
CONTROL
K18 97
LOGIC
J19 98
& DAC LATCH
99
100
WF121 WF122
24
23
33
37
36
LEVEL
35
SHIFTER
34
(3.3V --> 15.5V)
27
22
38
25
3
SERIAL
5
INTERFACE
4
V-REF-H(+7V) 12
SCALE
11
CONTROL
V-REF-L(+5V) 10
D/A CONVERTER
WF141
XDIR-X <FROM IC2304 (60)>
IC2504 (BUFFER) DIR-X <FROM IC2304 (59)>
DIR-Y <FROM IC2304 (50)>
B18 2 18 SERIAL DATA 0
B20 3 17 SERIAL CLOCK
WF142
7 13 IC2001 CS(L)
FROM
SYSTEM CONTROL
5 15 IC2002 CS(L) BLOCK DIAGRAM
4 16 IC2003 CS(L)
CS(L) IC2505CS(L)
B19 6 14
147
VIDEO SIGNAL(MAIN/SUB)
+15.5V
P2001-36
P2001-35
WF134
P2001-34
TP2001
P2001-33
(IC2001 PIN52 LINE)
TP2004 P2001-32
WF137 TP2007 P2001-31
INVERTER ON/OFF
52,54,56,58,60,62,
P2001-(19-30)
AMP SW 64,66,68,70,72,74
P2001-18
P2001-17
P2001-16
VCC(A) 15,26,53,57,61,65,69,73,82 +15.5V
P2001-15
VCC(D) 1,50 +3.3V P2001-14
P2001-13
19 P2001-12
18 P2001-11
39 P2001-10
43 P2001-9
42 P2001-8
41 P2001-7
40 P2001-6
28 P2001-5
P2001-4
P2001-3
44
P2001-2
45
P2001-1
20
Q2006,Q2009,
21
Q2014,Q2015,
81 V-REF-H(+7.5V)
Q2020,Q2021
SCALE
80
CONTROL
BUFFER
79 V-REF-L(+7V)
V1
77
V2
78
LCDCOM
AMP SW 13
P2002-36
P2002-35
WF135
P2002-34
TP2002
P2002-33
(IC2002 PIN74 LINE)
TP2005 P2002-32
P2002-31
P2002-36
INVERTER ON/OFF
52,54,56,58,60,62,
P2002-(19-30)
64,66,68,70,72,74
AMP SW
P2002-18
P2002-17
P2002-16
VCC(A) 15,26,53,57,61,65,69,73,82 +15.5V
P2002-15
VCC(D) 1,50 +3.3V P2002-14
P2002-13
P2002-12
19
P2002-11
18
P2002-10
39
P2002-9
43
P2002-8
42
P2002-7
41
40 P2002-6
28 P2002-5
17 P2002-4
44 P2002-3
45 P2002-2
20 P2002-1
Q2004,Q2007,
21
Q2010,Q2011,
81 V-REF-H(+7.5V) Q2016,Q2017
SCALE
80
CONTROL BUFFER
79 V-REF-L(+7V)
V1
77
V2
78
LCDCOM
AMP SW 13
P2003-36
P2003-35
WF136
P2003-34
TP2003
P2003-33
(IC2003 PIN52 LINE)
TP2006 P2003-32
P2003-31
INVERTER ON/OFF 52,54,56,58,60,62,
P2003-(19-30)
AMP SW 64,66,68,70,72,74
P2003-18
P2003-17
P2003-16
VCC(A) +15.5V
15,26,53,57,61,65,69,73,82
P2003-15
VCC(D) +3.3V P2003-14
1,50
P2003-13
19 P2003-12
18 P2003-11
39 P2003-10
43 P2003-9
42 P2003-8
41 P2003-7
40 P2003-6
28 P2003-5
P2003-4
44 P2003-3
45 P2003-2
20 P2003-1
Q2005,Q2008,
21
Q2012,Q2013,
81 V-REF-H(+7.5V)
SCALE Q2018,Q2019
80
CONTROL
79 V-REF-L(+7V) BUFFER
V1
77
V2
78
LCDCOM
AMP SW TP2901
13
Q2003
IC2004 (SW)
+15.5V
L
WF123
5
H 4
3
L
WF124
2
H 15
1
9 10
Q2001,Q2002
LEVEL
SHIFTER
VIDEO SIGNAL PATH III BLOCK DIAGRAM
PT-60LCX64-K
LCD(R)
LCD(G)
LCD(B)
PT-60LCX64