Dg-Board (2 Of 2) Block Diagram - Panasonic TH-42PA50E Service Manual

14.26. DG-Board (2 of 2) Block Diagram

1
2
PORT_D
(OSD INPUT)
PICTURE
IMPROVEMENT
CTI,CRI
AI
DSC
IC4054
GC4PRO
3
4
TH-37/42PA50E, TH-37/42PE50B
DG-Board (2 of 2) Block Diagram
IC4051
CLOCK GEN.
7 CLKD 74.25MHz
1 CLKC 95.5MHz
8 CLKE 108MHz
6 XBUF 27MHz CLKA 81.0MHz
(PLL) VCO IN
YIN0~YIN7
OSD_YS
UVIN0~UVIN7
OSD_YM
PORT_C
R00~R04
(PEAKS)
G00~G05
B00~B04
D/A 10bit
110MHz 3
RGB
D/A 8bit
PROCESSOR
2
D/A OSD
CONT
PORT_E
(RGB OUT)
FOR
FACTORY
USE
DG32
STB 5V
SDA3
SCL3
XTALIN 4
X4002
27MHz
XTALOUT 5
9
HSIC
VSIC
CLKIN
LVDS TRANSMITTER(10bit)
ROE0~ROE9
GOE0~GOE9
BOE0~BOE9
VSOE
57 TC5
HSOE
55 TC4
CLKOE
12 CLKIN
IC1109
LEVEL SHIFT
5V 3.3V
19 5
SCL1 SCL1
SDA1 20 SDA1 4
21 SCL2 3
22 2
SDA2
17 7
SCL3
18 SDA3 6
IC1107
SDA2
SCL2
EEPROM
6
SCL
SDA 5
WP 7
CVBS1
IC4012
OSD RGB A/D
8bit A/D
FORMAT CONV.
67 CKXI
Q4101,Q4103,Q4110
7 YOUT3 YIN 110
3 YOUT7
Q4104,Q4106,Q4111
RBIN 41
18 PBOUT2
Q4107,Q4109,Q4112
13 44
PBOUT7 PRIN
27 PROUT3
SDA 54 SDA2L
SCL 55 SCL2L
23 PRPUT7
93 OSDYS
94 OSDYM
IC4021
TA-
31
TA+
30
TB-
29
TB+
28
TC-
25
TC+
24
TCLK-
23
TCLK+
22
TD-
21
TD+
20
TE-
19
TE+
18
SCL1L
SDA1L
SCL2L
SDA2L
Q1177
Q11
Q1170 Q1172
SP
AU
Q_
Q_
Q_
OSD_B
OSD_G
OSD_R
RM_IN
Q1174
10Bit L
92