Panasonic PT-60LCX64-K Service Manual page 146

PT-60LCX64-K
VIDEO SIGNAL PATH III BLOCK DIAGRAM (Models: PT-43LCX64 / PT-50LCX64)
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
FROM VIDEO II TTL PARALLEL
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 29 E2 H-SYNC
WF129
V-SYNC V-SYNC
27 D2
CLOCK(76 MHz)
26 E1
WF130
W15-W19,Y16-Y20
S/H CLOCK(G)
XFR(G)
STSQO(G)
XFRP
D20,E19,E20,F19,F20,
G19,G20,H19,H20,J18
S/H CLOCK(B)
XFR(B)
STSQO(B)
RESET(L)
C19
CORRECT ON(L)
H2
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.
CS(L)
IC2001 (SAMPLING HOLD)
WF131 6
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
WF116 WF132
G DATA (10BIT)
D/A
86-95
CONVERTER
W13 96
CONTROL
V13 97
LOGIC
Y15 98
& DAC LATCH
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)>
SERIAL DATA 0
B18 2 18
SERIAL CLOCK
B20 3 17
WF142
7 13 IC2001 CS(L)
FROM
SYSTEM CONTROL
5 15 IC2002 CS(L) BLOCK DIAGRAM
4 16 IC2003 CS(L)
B19 6 14 IC2505CS(L)
146
VIDEO SIGNAL(MAIN/SUB)
+15.5V
P2001-1
P2001-2
WF138 P2001-3
TP2001
P2001-4
(IC2001 PIN52 LINE)
TP2004 P2001-5
P2001-6
INVERTER ON/OFF 52,54,56,58,60,62,
P2001-(7-18)
AMP SW 64,66,68,70,72,74
P2001-19
P2001-20
P2001-21
VCC(A) 15,26,53,57,61,65,69,73,82 +15.5V
P2001-22
VCC(D) 1,50 +3.3V P2001-23
P2001-24
19 P2001-25
18 P2001-26
39 P2001-27
43 P2001-28
42 P2001-29
41 P2001-30
40 P2001-31
28 P2001-32
P2001-33
44 P2001-34
45 P2001-35
20 P2001-36
21
V-REF-H(+7.5V)
81
SCALE
80
CONTROL
V-REF-L(+7V)
79
V1
77
V2
78
LCDCOM
AMP SW 13
P2002-1
P2002-2
WF139
P2002-3
TP2002
P2002-4
(IC2002 PIN74 LINE)
TP2005 P2002-5
P2002-6
P2002-36
INVERTER ON/OFF
52,54,56,58,60,62,
P2002-(7-18)
AMP SW 64,66,68,70,72,74
P2002-19
P2002-20
P2002-21
VCC(A) 15,26,53,57,61,65,69,73,82 +15.5V
P2002-22
VCC(D) 1,50 +3.3V P2002-23
P2002-24
19 P2002-25
18 P2002-26
39 P2002-27
43 P2002-28
42 P2002-29
41 P2002-30
P2002-31
40
P2002-32
28
P2002-33
17
P2002-34
44
P2002-35
45
P2002-36
20
21
81 V-REF-H(+7.5V)
SCALE
80
CONTROL
79 V-REF-L(+7V)
V1
77
V2
78
LCDCOM
AMP SW 13
P2003-1
P2003-2
WF140
P2003-3
TP2003
P2003-4
(IC2003 PIN52 LINE)
TP2006 P2003-5
P2003-6
INVERTER ON/OFF
52,54,56,58,60,62,
P2003-(7-18)
64,66,68,70,72,74
AMP SW
P2003-19
P2003-20
P2003-21
VCC(A) 15,26,53,57,61,65,69,73,82 +15.5V
P2003-22
VCC(D) 1,50 +3.3V P2003-23
P2003-24
P2003-25
19
P2003-26
18
P2003-27
39
P2003-28
43
P2003-29
42
41 P2003-30
40 P2003-31
28 P2003-32
P2003-33
44 P2003-34
45 P2003-35
20 P2003-36
21
81 V-REF-H(+7.5V)
SCALE
80
CONTROL
79 V-REF-L(+7V)
V1
77
V2
78
LCDCOM
AMP SW 13 TP2901
Q2003
VIDEO SIGNAL PATH III BLOCK DIAGRAM
LCD(R)
LCD(G)
LCD(B)
PT-43LCX64/PT-50LCX64