Dg-Board (1 Of 2) Block Diagram - Panasonic TH-42PA50A Service Manual

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

DG MICOM,DIGITAL SIGNAL PROCESSOR
TO
DG2
H2
SUB_Y/CVBS
SUB_Y 40
SUB_C/PB
SUB_PB/C 38
SUB_PR
SUB_PR 36
SOS2
10
SOS2
M2_RST
STB_RESET 13 IC1235
SP_MUTE
SP_MUTE 12
IIC BUFFER
AUDIO_MUTE
SOUND_MUTE 11
SDA1 17 7 SDAOUT
SCL1 18 2 SCLOUT
20
SDA2 SDA2
21 SCL2
SCL2
SDA3 23 SDA3
SCL3 24 SCL3
MAIN_Y/CVBS
MAIN_Y/V/G 34
MAIN_PB/C
MAIN_PB/C/R 32
MAIN_PR
MAIN_PR/B 30
RGB_CVBS
28
MAIN_CVBS2(RGB)
STB 5V
STB 5V 14
PA50H/M
ONLY
AFC1
AFC1 6
AFC2
AFC2 7
RM_IN
RMCN 3
LED_R
LED_R 15
KEYSCAN
8
KEYSCAN
SRQ 9
TO
DG20
PA20
IRD_POW_ON
AC_ON/OFF 1
TUNER_MAIN_ON
TVON 3
SOS IC4049
Q4900
SOS 2
SUB 5V
AVR 3.3V
BT30V 25
MAIN 3.3V 23
8
VIN
22
MAIN 3.3V MAIN 3.3V
SUB 3.3V 20
5 CONT
SUB 9V 18
SUB 9V 17 SUB 9V
MAIN 9V 15 MAIN 9V
MAIN 2.5V 13
MAIN 2.5V 12 MAIN 2.5V
9
SUB 5V SUB 5V
IC1103
MAIN 5V 7 MAIN 5V
STB 5V 5 STB 5V AVR STB 2.5V
STB 5V
2 VIN
1 VDET
TH-42PA50A/H/M, TH-37PA50H/M
DG-Board (1 of 2) Block Diagram
SUB_Y/CVBS
Q4301,Q4308,Q4309
SUB_C/PB
Q4302,Q4306,Q4310
SUB_PR
Q4303,Q4307,Q4311
SDAIN 6 SDA1
SCLIN 3 SCL1
MAIN_Y/CVBS
Q4006,Q4013
MAIN_PB/C
Q4012
MAIN_PR
Q4011
RGB_CVBS
Q4010,Q4015
CVBS1
SRQ
IC4044 IC4009
MAIN 2.5V PLL 1.2V MAIN 3.3V
AVR 1.2V
AD 3.3V
1 VIN VOUT 5 1 VDD
VOUT 1 IC4061 IC4011
DLL 1.2V
AVR 1.2V
1 VIN VOUT 5 1 VDD
IC1110 IC4008
STB 5V STB 3.3V MAIN 5V
AVR 3.3V
AVR 3.3V
VOUT 3 STB 2.5V
4 VIN VO 5 5 VIN VOUT 4
IC4013
GC3FS
85 86
UB0~UB7
40 2D
CHROMA
COMB.
A/D
CLAMP YG0~YG7 74
30
CLOCK
35
SYNC SEP . PLL
SDA1L
64
XTALOUT 14
SCL1L X4001
65
10MHzX'tal
XTALIN 16
NRST 61
IC4005
10bit A/D
SCL
SCL2L 82
SDA2L SDA
81
3D/2D com CHROMA
A/D 10bit
76 VPK DEM.
30MHz
MATRIX COLOUR
A/D 10bit DETECT
RGB->
74
YUV
30MHz
A/D 10bit
72
30MHz
Detection
57 AIN9
Sync
525i/p
625i/p
720p
1080i
Macrovision
SELF,ID,ED2
NOISE LEVEL
SYNC
CLK
SEPA
AD 2.5V
AVR 2.5V
VOUT 5
PLL 2.5V
AVR 2.5V
B_DDR_CLK
VOUT 5
B_DDR_NCLK
IC4024 IC4025
AD 3.3V MAIN 2.5V MAIN 1.2V MAIN 2.5V MAIN 1.8V MAIN 3.3V
AVR 1.2V AVR 1.8V
1 VIN VOUT 3 1 VDD VOUT 5
85
TH-42PA50A / TH-42PA50H / TH-42PA50M / TH-37PA50H / TH-37PA50M
UB0~UB7,YG0~YG7
88 93
76 78 80 83 84
XTAL 38
R0~R3,Y0~Y9,UV0~UV9
UV0~UV9 22 29 41 42
SW
Y0~Y9 7 14 91 94
R0~R3 30 33
IC4063
RESET
PORT-A
4
(ADV7403)
SCL2 SCL
SDA2 SDA
3D Y/C
NRST
35
D_CLKIN CLK0A
LLC1 36 CLKIA
HS 4 HSIA
99
VS VSIA
Q4068
RESET 78 TPOUT0
IC4054 DIGITAL
INPUT
GC4PRO
I/F
IC4055
A_DDR_CLK
128M DDR SDRAM
A_DDR_NCLK
IC4041 IC4042
AD 1.8V MAIN 3.3V MAIN 2.5V MAIN 3.3V
AVR 1.8V AVR 2.5V
1 VDD VOUT 5 2 VCC OUT 4 2
1
2
3
PORT-B
(FS&HDMI)
RESIZE
MIX
4
NR
I/P CONV.
5
6
IC4048
DDR 2.6V
AVR 2.6V
VCC OUT 4
TH-42PA50A/H/M, TH-37PA50H/M
DG-Board (1 of 2) Block Diagram