Panasonic PT52LCX66 Service Manual - Page 54

Video Signal Path I Block Diagram 1/2

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

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