Panasonic TH-42PA25U-P Service Manual page 150

14.14. DG-Board Block Diagram
DG
Micom,Digtal Signal Processor Board
17 RX0-
9 RX1-
1 RX2-
18 RX0+
10 RX1+
JK5001
2 RX2+
DVI IN
SCL
6
RXC+
23
SDA
7
RXC-
24
DVI RECIVER
DVI L
L
JK5002
DVI AUDIO IN
DVI R
R
TO H1 DG1
AUDIO L
AUDIO L
103
AUDIO R
AUDIO R
303
VAO MUTE
VAO MUTE
104
DVI L
DVI L
217
DVI R
DVI R 417
DVI Y
DVI Y
415
DVI PB
DVI PB 116
DVI PR
DVI PR
316
JPEG Y
JPEG Y
111
JPEG C
JPEG C
211
SUB PB
SUB PB
206
SUB PR
SUB PR 306
SUB Y
SUB Y
405
MAIN PB
MAIN PB
307
MAIN PR
MAIN PR 407
MAIN Y
MAIN Y
107
AFC1
AFC1
204
AFC2
AFC2 304
S3
S3
408
V3
V3
409
C3
C3
309
R3
R3
310
L3
L3
210
Y3
Y3
110
5V
5V
5V
5V
TH-42PA20U DG-Board Block Diagram
RX0-
3
Q5003 Q5006
IOR 23
52 RX1-
IOG Q5002 Q5005
26
49 RX2-
Q5001 Q5004
IOB 31
2 RX0+
51 RX1+
IC5005
48 RX2+
FLIP FLOP
5 RXC+
6 RXC- HSYNC 18 2 1D 1Q 5
1Q/ 6
15 SCL YSYNC 19 12 2D
2Q 9
14 SDA
2Q/ 8
RST
39
44
IC5001
3 5
1 7
4 OUT
IC5007
IC5006
INVERTER
RESET
SUB PB
Q4522 Q4526 Q4531 Q4533
SUB PR
Q4523 Q4527 Q4530
SUB Y
Q4524 Q4529 Q4532
SUB Y
Q4560 Q7
MAIN Y
Q6
MAIN Y
Q4559
MAIN PB
Q4502 Q4505 Q4509 Q4512
MAIN PR
Q4503 Q4506 Q4513
Q4510
MAIN Y
Q4501 Q4508 Q4511
IC4508
IC4504
MEMORY
AVR 3.3V
3.3V
1 5
64Mbit SDRAM
3
IC4521 IC4505
5V
AVR 3.3V 2.5V A/D
3.3V 2.5V
1 5 1 3
3 2 6
IC4503 IC4522
5V
AVR 3.3V 2.5V D/A
1 5 3.3V 1 3 2.5V
3 2 6
IC4507 IC4511
5V
AVR 3.3V AVR 3.3V
1 5 3.3V 1 5 3.3V
3 3
IC5004 IC5011
5V PLL 3.3V 5V AVR 3.3V
PLL
1 4 1
3.3V
5 5
IC5010
IC5105
SYNC SELECT
FLIP FLOP
1Q
5
B HSYNC
4 3 1 D Q 5
1Q/
13
CLR 6
A
1 2
2Q
6
B
8 10
2Q/
12
A
11 9 1 4
2
IC5104
VSYNC
EXCLUSIVE
OR GATE
SYNC
A/D 8bit
SEPA
SUB-PB
VIN1
60MHz
89
Detection
SUB-PR
VIN2
A/D 8bit Sync
101
60MHz
SUB-Y
VIN3
103
A/D 8bit
60MHz
SELF,ID,ED2
NOISE LEVEL
YUV
RGB
18 SCL
17 SDA
2D COM
161 172 173 177 178 179
32 22 21 16 15 14
A/D 10bit
MAIN-PB
VIN1
72
10bit
MAIN-PR
VIN2 A/D 10bit MATRIX
83
RGB
10bit
MAIN-Y
VIN3
A/D 10bit
95
10bit
3D/2D com
VPK
CHROMA DEM.
COLOUR DETECT.
D/A 10bit 3
200 201 202
IC4501
IC4509
GC 2M+
5V
PLL 2.5V
1 5 2.5V
3
IC5012
5V AVR 3.3V IC5102
3.3V 3.3V
4 1 4
RGB/YUV CONV.SW
5
6 RIN
7 GIN
8 BIN
IC5106
SYNC SW
IC5103
5 3 4 SYNC
INVERTER
2
7
1 7 2 6
1
2 6
Q5104 Q5105
3 5
IC5002
DDC EEPROM
WP 7
IC4518
SCL 6
SDA 5
MEMORY
64Mbit
SDRAM
IC4502
GC 2S+
CLK
NR/IP
525i/p
I/F
625i/p
720p H SCALEER
1080i
GAIN ADJ
Macrovision
MULTI
SUPER
PROGRESSIVE
RGB YUV
I/F
CHROMA DEM.
COLOUR DETECT
Y Y
148 157
UV UV
162 171
Y
116 117
Y 36 45 Y
UV 22 31
UV
SYNC
SEPA
Detection
I/F TBC
Sync
525i/p
YUV
625i/p
NR FF
720p
I/F
1080i
Macrovision
FF IP NR
SELF,ID,ED2
JUST
NOISE LEVEL
PICTURE
SW
IMPROVEMENT
RGB PROCESSOR
D/A 10bit
D/A 8bit D/A OSD
2
110MHz 3 CONT
237 240 248 198 199 148
Q5101 DVI PR
VOUT
13
Q5106
Q5103 DVI Y
YOUT 14
Q5108
DVI PB
Q5102
15
UOUT
Q5107
IC00
MICO
IC4517
5V
AVR 3.3V
1 5 3.3V
3
IC4516
5V
AVR 2.5V
2.5V
1 5
3
MEMORY
CONTROL
IC4515
10bit A/D
135 144
9 14
180 189
17 22 25 28
58 49
4 13
GC VP
VPO3
162
GC HP
HPO3
161
GC HFR
HFR 63
1 2 3 4 5
R R-IN
INPUT
13
BRIGHT DET.
G G-IN
INPUT
15
BRIGHT DET.
B
B-IN
INPUT
17
BRIGHT DET.
CONTRAST DRIVE
CONT. CONT.
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