Panasonic PT52LCX66 - MULTI MEDIA DISPLAY Service Manual page 54

PT-52LCX66 / PT-56LCX66 / PT-61LCX66 / PT-52LCX16 / PT-56LCX16
VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2)
BASE P.C.B.
JK3501
VIDEO OUT
JK3502
COMPONENT
-Y1
COMPONENT
-PB1
COMPONENT
-PR1
COMPONENT
-Y2
COMPONENT
-PB2
COMPONENT
-PR2
JK3501
Y
S-VIDEO IN1 C
VIDEO IN1
Y
S-VIDEO IN2 C
VIDEO IN2
FRONT JACK/OPERATION P.C.B.
JK3901
Y
CN3901-3 CN3102-4
S-VIDEO IN3 C
CN3901-5 CN3102-6
VIDEO IN3 CN3901-7 CN3102-8
DIGITAL TUNER P.C.B.
MAIN P.C.B.
TP3111
IC3101 (VIDEO SW)
51
TP3110
21
23
TP3109
Q3101 Q5008
MAIN Y/V
25 60 B CN3103-19 CN3000-19
MAIN PB/C Q3102
B CN3103-21 CN3000-21
59
MAIN PR Q3103
B CN3103-23 CN3000-23
27 58
29
CN3001
R
31
G
B
PC IN
H-SYNC
V-SYNC
IC5803 (EEPROM)
VCC
I2C SERIAL CLOCK
I2C SERIAL DATA
65
WRITE PROTECT
77
3
VIDEO
9
INPUT
IC5802 (EEPROM)
SELECT
VCC
I2C SERIAL CLOCK
I2C SERIAL DATA
WRITE PROTECT
79
5
11 CN5800
73 +5V
TMDS DATA0(+)
TMDS DATA0(-)
TMDS DATA1(+)
TMDS DATA1(-)
TMDS DATA2(+)
HDMI-IN2
TMDS DATA2(-)
TMDS CLOCK(+)
1
TMDS CLOCK(-)
7
I2C SERIAL CLOCK
13
75 I2C SERIAL DATA
8,47,53,57
VCC +9V
CN5801
+5V
TMDS DATA0(+)
TMDS DATA0(-)
TMDS DATA1(+)
TMDS DATA1(-)
TMDS DATA2(+)
HDMI-IN1
TMDS DATA2(-)
TMDS CLOCK(+)
TMDS CLOCK(-)
I2C SERIAL CLOCK
I2C SERIAL DATA
TP3105 TP3104 TP3101
CN3103-13 CN3000-13
CN3103-15 CN3000-15
CN3103-17 CN3000-17
TUNER VIDEO (ANALOG) DT12-13 CN6003-13
TUNER VIDEO-Y DT12-45 CN6003-45
TUNER VIDEO-C DT12-47 CN6003-47
DTV Y DATA (8BIT) DT12-(88-93,95,96) CN6003-(88-93,95,96)
FROM
DIGITAL TUNER
DTV UV DATA (8BIT) DT12-(97-100,102-105) CN6003-(97-100,102-105)
BLOCK DIAGRAM
V-SYNC DT12-106 CN6003-106
H-SYNC DT12-107 CN6003-107
CLOCK DT12-109 CN6003-109
OSD V-SYNC DT12-80 CN6003-80
OSD H-SYNC DT12-87 CN6003-87
IC5000 (VIDEO SIGNAL PROCESS)
Q5004
B B 76
A/D
3D Y/C SEPARATION
Q5009
B
74 NTSC DECODER
Q5010 A/D CC MIX
B INPUT
72
MATRIX MUX
58
A/D
54
A/D
56
IC5008 (INVERTER)
3 5 86 H-SYNC
1 7 85 V-SYNC
+5V
8
6
5
7
(WITH 2 HDMI INPUT)
8 +5V
6
5
7
IC5801 (HDMI INTERFACE)
44
43
48
TMDS
47
DECODER
52
51
40
39
YUV CONVERTER
32 I2C SERIAL CLOCK
XOR MODE COLOR RANGE SCALING
31 I2C SERIAL DATA
MASK CONTROL
COLOR SPACE CONVERSION
(WITH 2 HDMI INPUT)
UP/DOWN CONVERSION
63
62
MODE
67
(480i)/
66 TMDS
480p
DECODER
71
720p/
70
1080i
59
58
30 I2C SERIAL CLOCK
AUDIO DATA
DECODER
29 I2C SERIAL DATA
Q5827
DTV Y DATA (8BIT)
DTV UV DATA (8BIT)
54
7-10,13,14, RGB DATA (24BIT)
22-33,41,42,
91-94
V-SYNC 99
H-SYNC 4
CLOCK
36
CLOCK
35
IC5006
+3.3V
VCC 63 1 8 +5V
REG.
IC5005
+1.8V
VCC 47,48 5 1 +2.5V
REG.
IC5007
+1.8V
VCC 12,39,90 5 1 +2.5V
REG.
VCC 6,18 +3.3V
CLOCK(27MHz) 38
5,16,26,ETC
VCC +3.3V
IC5805
22,23,35,ETC
+1.8V
VCC
5 4
REG.
Y
HDMI Y DATA (10BIT)
123-126,129-132,141,142
UV
HDMI UV DATA (10BIT)
110-113,116-119,133,136
V-SYNC 3
FREQUENCY
H-SYNC 2
27MHz HDMI CLOCK 121
74.25MHz
IC5800 (D/A CONVERTER)
IC5804 (OP AMP)
86 2 AUDIO D/A 10 6 7 HDMI AUDIO (R)
TO AUDIO
DATA
84 3
BLOCK DIAGRAM
INTERFACE
85 4 D/A 11 2 1 HDMI AUDIO (L)
VCC 8 +9V
4.4 dB
MAIN CLOCK
88 1
GENERATOR
POWER
VCC +5V
14
DOWN(L)
8
+5V
VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2)
PT-52LCX66/PT-56LCX66/PT-61LCX66/PT-52LCX16/PT-56LCX16