Dg-Board (1 Of 2) Block Diagram - Panasonic TH-50PM50U Service Manual

TH-50PM50U

13.16. DG-Board (1 of 2) Block Diagram

DG MICOM,DIGITAL SIGNAL PROCESSOR
TO
DG2
H2
HDMI_L
HDMI_L 38
HDMI_R
HDMI_R 40
MAIN_Y
MAIN_Y 30
MAIN_PB
MAIN_PB 28
MAIN_PR
26
MAIN_PR
TO
DG1
H1
SBI1
1
SBI1
SBO1
SBO1 2
SCL0A 4 SCL0A
SDA0A 5 SDA0A
SCL0B 7 SCL0B
SDA0B 8 SDA0B
SCL2 10 SCL2
SDA2 11 SDA2
SCL1 13 SCL1
SDA1 14 SDA1
37
SCL0 SCL0
SDA0 38 SDA0
RESET 16
KEYSCAN3 34
KEY2
KEYSCAN2 18
KEY1
KEYSCAN 31
RM_IN
RM_IN 30
LED_R
26
LED_R(STB)
MAIN_DEF
MAIN_DEF 19
SP_MUTE
SP_MUTE 20
STB5V
SRQ
21 (SUB5V BACKUP)
SRQ STB5V
SP_SHORT
SP_SHORT 36
MONI_DEF STB5V
MONITOROUT_DEF 33
STB 5V
SRQ
STB 5V 40
TO
DG20
PA20
TUNER_SUB_ON
TUNER_SUB_ON 1
TUNER_MAIN_ON
TUNER_MAIN_ON 3
SOS
2
PA_SOS
MAIN 3.3V 23
4
MAIN 3.3V 22 MAIN 3.3V
20
SUB 3.3V SUB 3.3V
SUB 9V1 18
SUB 9V1 17 BS_SUB9V
MAIN 9V 15 MAIN 9V
MAIN 2.5V 13
MAIN 2.5V 12 MAIN 2.5V
SUB 5V 9 SUB 5V
7
MAIN 5V MAIN 5V
STB 5V 5 STB 5V
TH-50PM50U
DG-Board (1 of 2) Block Diagram
IC4011 IC4012
AD 3.3V
AVR 1.8V
MAIN 2.5V SUB 5V
1 5 1.8V 8
TUNER
3 5
MAIN ON
IC4016 IC4020
AVR 1.2V
AVR 1.8V
MAIN 2.5V MAIN 2.5V
1 5 1.8V 1
3 3
MAIN_Y
Q4039,Q4045
MAIN_PB
Q4044
MAIN_PR
Q4043
IC4010
STB 3.3V
4 VDD VOUT 3 STB3.3V
6 VDET RESET 1
INV. BUFF.
Q4019 Q4015
BUFF. INV.
IC4030
STB3.3V Q4020 Q4016
RESET
INV.
BUFF.
3.3V
Q4017 Q4021
OUT VCC 2
IC4021 IC4022
AVR 1.2V DDR 2.6V PRO
MAIN 2.5V MAIN 3.3V
1 AD 3.3V 1 5 1.2V 1 4 DDR 2.6V
3 2
IC4028 IC4031
MAIN 1.2V AVR PLL 1.8V
MAIN 2.5V MAIN 2.5V
5 1.2V 1 3 MAIN1.2V 1 5 PLL1.8V
2 3
IC4018
10bit A/D
SCL2 82 SCL
SDA2 81 SDA
3D/2D com CHROMA
A/D 10bit
VPK DEM.
76
30MHz
MATRIX
COLOUR
74
A/D 10bit
RGB->
DETECT
YUV
72 30MHz
A/D 10bit
30MHz
Detection
Sync
525i/p
625i/p
720p
1080i
Macrovision
SELF,ID,ED2
D_CLKIN
NOISE LEVEL
SYNC
CLK
SEPA
128M DDR SDRAM
B_DDR_CLK
B_DDR_NCLK
78
XTAL 38
UV0~UV9 22 29 41 42
SW
Y0~Y9 7 14 91 94
R0~R3 30 33
IC4015
RESET
4
35 CLK0A
36
LLC1 CLKIA
HS 4 HSIA
VS 99 VSIA
PORT-A PORT-B
RESET 78 Q4068 TPOUT0 (FS&HDMI)
(ADV7403)
IC4026
TBC
GC4PRO
I/F
IC4027
A_DDR_CLK
A_DDR_NCLK
TH-50PM50U
DG-Board (1 of 2) Block Diagram
1
2
3
4
5
FF
NR
IP
FF
NR
I/P
JUST
6
7