Panasonic PT-56DLX25 Service Manual page 67

VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2)
REAR JACK C.B.A. BASE C.B.A. (CIRCUIT BOARD A)
JK3502
VIDEO OUT P3501-29 PA15-29
JK3503
COMPONENT
P3501-27 PA15-27
-Y1
COMPONENT
P3501-25 PA15-25
-PB1
COMPONENT
P3501-23 PA15-23
-PR1
JK3504
COMPONENT
P3501-18 PA15-18
-Y2
COMPONENT
P3501-16 PA15-16
-PB2
COMPONENT
P3501-14 PA15-14
-PR2
JK3505
COMPONENT
P3501-9 PA15-9
-Y3
COMPONENT
P3501-7 PA15-7
-PB3
COMPONENT
P3501-5 PA15-5
-PR3
Q3002 Q3009
B RGB --> Y
CONVERT
Q3003 Q3006,Q3007
B RGB --> PB
CONVERT
Q3004 Q3011,Q3012
B RGB --> PR
CONVERT
JK3501
Y
P3501-50 PA15-50
S-VIDEO IN1 C
P3501-48 PA15-48
VIDEO IN1 P3501-46 PA15-46
Y
P3501-36 PA15-36
S-VIDEO IN2 C
P3501-34 PA15-34
VIDEO IN2 P3501-41 PA15-41
FRONT JACK C.B.A.
(CIRCUIT BOARD FJ)
JK3902
Y
P3902-3 PA9-3
S-VIDEO IN3 C
P3902-5 PA9-5
VIDEO IN3 P3902-7 PA9-7
JK3901
R
P3901-1 PA12-1
G
P3901-3 PA12-3
B
P3901-5 PA12-5
RGB-IN
H-SYNC
P3901-7 PA12-7
V-SYNC
P3901-9 PA12-9
DIGITAL TUNER C.B.A. (CIRCUIT BOARD DT)
MAIN C.B.A. (CIRCUIT BOARD DG)
IC3001 (VIDEO SW)
TP026
51
21
23
TP025
25
TP024
27 Q3014
MAIN Y/V
60 B PA16-45
Q3015
MAIN PB/C
29
59 B PA16-43
MAIN PR Q3016
58 B PA16-41
31
33
35
37
Q3010
B
39
SUB Y/V Q3017
56 B PA16-39
Q3008
SUB PB/C Q3018
B 41
55 B PA16-37
SUB PR Q3019
Q3013 B PA16-35
54
43
B
TP027
65
TP028
77
3
VIDEO
9
INPUT
SELECT
TP029
79
5
11
73
PA16-33
PA16-32
1
7
13
75
8,47,53,57
HDMI-IN1
VCC +9V
HDMI-IN2
TP019 TP018 TP015
PA16-51 PDG1-51
PA16-49 PDG1-49
PA16-47 PDG1-47
TUNER VIDEO (ANALOG) DT12-13 PDG2-13
TUNER VIDEO-Y DT12-45 PDG2-45
TUNER VIDEO-C DT12-47 PDG2-47
Y DATA (8BIT) DT12-(88-93,95,96) PDG2-(88-93,95,96)
FROM
DIGITAL TUNER
UV DATA (8BIT) DT12-(97-100,102-105) PDG2-(97-100,102-105)
BLOCK DIAGRAM
V-SYNC DT12-106 PDG2-106
H-SYNC DT12-107 PDG2-107
CLOCK DT12-109 PDG2-109
OSD V-SYNC DT12-80 PDG2-80
OSD H-SYNC DT12-87 PDG2-87
OSD CLOCK DT12-85 PDG2-85
IC4258 (MAIN VIDEO SIGNAL PROCESS)
1,12,23,32,73,90,
105,113,134
+3.3V VCC
IC4252
66,71,79,84
+2.5V
5 4 VCC
REG.
IC4255
38,40,45,47,52,54,58
+2.5V
5 4 VCC
REG.
10,21,30,75,88,114,
123,135
VCC
Q4252 Q4258 Q4262
Y/V
PDG1-45 B LPF B B 56 A/D
Q4256 Q4264
PB/C
PDG1-43 B B 42 A/D
Q4257 Q4263 PR
PDG1-41 B B 49 A/D
IC4251
+2.5V
+3.3V
1,2 3,4
REG.
Q4250 Q4255 Q4259
PDG1-39 B LPF B B
Q4253 Q4260
PDG1-37 B B
Q4254 Q4261
PDG1-35 B B
IC4266
+2.5V
IC4002 (EEPROM)
+3.3V 7 1
REG.
VCC 8 +5V
I2C SERIAL CLOCK
6
I2C SERIAL DATA
5
WRITE PROTECT 7
IC4001 (EEPROM)
IC4152 IC4151
VCC +5V
8 (OR GATE) (INVERTER)
I2C SERIAL CLOCK
6
1
4 6
I2C SERIAL DATA 5
2
WRITE PROTECT 7
VCC VCC
5 8
IC4151
Q4151-
(INVERTER) +3.3V +3.3V
Q4154
PDG1-33 1 7 DELAY
PDG1-32 3 5
IC4004 (HDMI INTERFACE)
JK4002
+5V
TMDS DATA0(+)
44
TMDS DATA0(-)
43
TMDS DATA1(+)
48
TMDS DATA1(-)
47 TMDS
TMDS DATA2(+)
52 DECODER
TMDS DATA2(-)
51
TMDS CLOCK(+)
40
TMDS CLOCK(-)
39
I2C SERIAL CLOCK
Q4009
I2C SERIAL DATA
DRIVE 32 I2C SERIAL CLOCK
HOT PLUD DET Q4007
XOR
DRIVE 31 I2C SERIAL DATA
MASK
JK4003
+5V
TMDS DATA0(+)
63
TMDS DATA0(-)
62
TMDS DATA1(+)
67
TMDS DATA1(-)
66 TMDS
TMDS DATA2(+)
71 DECODER
TMDS DATA2(-)
70
TMDS CLOCK(+)
59
TMDS CLOCK(-)
58
I2C SERIAL CLOCK
Q4010
I2C SERIAL DATA
DRIVE 30 I2C SERIAL CLOCK
Q4008
DRIVE 29 I2C SERIAL DATA
Y DATA (8BIT)
UV DATA (8BIT)
65
3-5,136-143
115-122,125-132
V-SYNC 109
H-SYNC 110
CLOCK(28.636MHz) 111
FR CLOCK1(20.25MHz) 24
3D Y/C SEPARATION YUV DATA
8,9,13-20
NTSC DECODER
GC3FM_s
6 104 7 2
IC4257 (SUB VIDEO SIGNAL PROCESS)
Y/V
40 A/D
Y DATA (8BIT)
74-76,78-80,83,84
2D Y/C SEPARATION
PB/C
30 A/D
UV DATA (8BIT)
NTSC DECODER
85,86,88-93
PR
A/D
35
V-SYNC 72
8,15,53,66,82,95 H-SYNC 73
VCC
CLOCK 94
6,12,17,51,62,69,
81,97
+3.3V VCC
IC4253
FR CLOCK1(20.25MHz)
68
FR CLOCK2(20.25MHz)
+2.5V 49,57 70
5 4 VCC
REG.
INPUT MODE
IC4254
VIDEO 480i
28,33,38,41
+2.5V COMPONENT 480i
5 4 VCC
REG. 480p
IC4250 (SW)
720p
H 1080i
3
L 4 19 H-SYNC RGB VGA60
2 2
SVGA60
H
6 XGA60
L 7 20 V-SYNC GC3FS_s
5
VCC 16 +3.3V
1
RGB(L)
<FROM IC3001 (72)>
IC4003
37,55
+3.3V
VCC 4 5 +5V
REG.
5,26,38,ETC
VCC +3.3V
IC4005
22,23,35,ETC
+1.8V
VCC
1 7
REG.
Y
HDMI Y DATA (8BIT)
YUV CONVERTER
123-126,129-132
MODE COLOR RANGE SCALING
CONTROL
COLOR SPACE CONVERSION UV
HDMI UV DATA (8BIT)
110-113,116-119
UP/DOWN CONVERSION
V-SYNC 3
MODE FREQUENCY
H-SYNC 2
(480i)/
27MHz HDMI CLOCK 121
480p
720p/
74.25MHz
1080i
IC4000 (D/A CONVERTER) IC4006 (OP AMP)
86 2 AUDIO D/A 10 6 7
AUDIO DATA
84 3 DATA
DECODER
INTERFACE
85 4 D/A 11 2 1
87
VCC 8
4.4 dB
MAIN CLOCK
88 1
GENERATOR
POWER
VCC 14 +5V
DOWN(L)
8
HDMI A PD(L)
H PHASE
HDMI WP
Q4019
HDMI1(L)/HDMI2(H)
VIDEO SIGNAL PATH I BLOCK DIAGRAM (1/2)
PT-56DLX75 / PT-61DLX75
YUV DATA (10BIT)
FREQUENCY
28.636MHz
28.636MHz
57.40MHz
74.25MHz
74.25MHz
50.34MHz
40.00MHz
65.00MHz
HDMI AUDIO (R)
TO AUDIO
BLOCK DIAGRAM
HDMI AUDIO (L)
+9V
FROM
SYSTEM CONTROL
BLOCK DIAGRAM
PT-56DLX75/PT-61DLX75