Panasonic PT-50LC13 service manual Video Signal Path II Block Diagram 1/2

VIDEO SIGNAL PATH II BLOCK DIAGRAM (1/2)

LCD DRIVE C.B.A.

IC2502 (LVDS RECEIVER)

IC2505 (COLOR CORRECTION/LCD TIMING GENERATOR)

LVDS DATA A(+)

P2501-14

10

30,32-35,

R DATA (8BIT)

160-162,

19,20,24,25,

R DATA (10BIT)

LVDS DATA A(-)

P2501-15

9

37-39

164-168

27-30,32,33

LVDS DATA B(+)

P2501-11

12

LVDS SERIAL TO

STSQE(R) 37

FROM VIDEO I

LVDS DATA B(-)

P2501-12

11

TTL PARALLEL

STSQO(R) 38

SIGNAL PATH

LVDS DATA C(+)

P2501-8

16

CONVERTER

XFR(R) 36

BLOCK DIAGRAM

LVDS DATA C(-)

P2501-9

15

41-43,45-47,

G DATA (8BIT)

147-154

S/H CLOCK(R) 34

LVDS DATA D(+)

P2501-2

20

LVDS DATA D(-)

P2501-3

19

49,50

LVDS CLOCK(+)

P2501-5

18

FRP 40

LVDS CLOCK(-)

P2501-6

17

XFRP 70

PLL

B DATA (8BIT)

1-3,5,51,

136-141,

53-55

143,144

H-SYNC 29

7

H-SYNC

V-SYNC 27

8

V-SYNC

26

13

CLOCK(76 MHz)

50,51,53-55,

G DATA (10BIT)

58-62

STSQE(G) 68

STSQO(G) 69

XFR(G) 67

IC2501

S/H CLOCK(G) 63

+3.3V

13,23,31,40,48,56

+5V

VCC

5 REG.

4

<FROM IC2304(60)> XDIR X

<FROM IC2304(59)> DIR X

<FROM IC2304(50)> DIR Y

FROM

SERIAL CLOCK

120

SERIAL CLOCK

SYSTEM CONTROL

SERIAL DATA 1

119

SERIAL DATA 1

B DATA (10BIT)

BLOCK DIAGRAM

82,83,85-87,

CS(L)

121

CS(L)

90-92,94,95

STSQE(B) 99

STSQO(B) 100

XFR(B) 97

S/H CLOCK(B) 96

<FROM IC2304(52)> RESET(L)

122

RESET(L)

<FROM IC2304(57)> CORRECT ON(L)

6

CORRECT ON(L)

Q2009

LEVEL SHIFTER

NRG 114

Q2010, 2011

LEVEL SHIFTER

ENABLE 1 71

Q2001, 2002

LEVEL SHIFTER

ENABLE 2 72

Q2003, 2004

LEVEL SHIFTER

ENABLE 3 76

Q2005, 2006

LEVEL SHIFTER

ENABLE 4 77

Q2007, 2008

LEVEL SHIFTER

IC2008 (LEVEL SHIFTER)

+5V

2

VCC

VCC

1,30

+15.3V

7

LEVEL SHIFTER

26

1,12,26,35,44,56,66,

DY 115

8

LEVEL SHIFTER

24

75,80,88,89,98,109,

+3.3V

VCC

131,132,155,176

DX 78

10

LEVEL SHIFTER

20

IC2504

6

LEVEL SHIFTER

27

+2.5V

15,45,74,103,133,163

8

1

VCC

CLY 116

9

LEVEL SHIFTER

23

REG.

22

5

LEVEL SHIFTER

28

CLX 79

11

LEVEL SHIFTER

19

0/5V ---> 0/15.3V

18

VIDEO SIGNAL PATH II BLOCK DIAGRAM (1/2)

PT-50LC13