Dg-Board (1 Of 2) Block Diagram - Panasonic TH-42PA50E Service Manual

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

DG MICOM,DIGITAL SIGNAL PROCESSOR
TO
DG1
H1
BS_L
DVB_L 33
BS_R
31
DVB_R
DVB_CVBS
DVB_CVBS 35
SD_LED
SD_LED 17
PE50B ONLY
TO
DG2
H2
SOS2 10
STB_RESET 13
SP_MUTE
SP_MUTE 12
AUDIO_MUTE
SOUND_MUTE 11
17
SDA1
18
SCL1
20 SDA2
SDA2
SCL2 21
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/B 30
MAIN_CVBS2(RGB) 28
STB 5V
STB 5V 14
FB_OUT 26
AV2_QLINK 1
AV4_QLINK 2
6
AFC1
RMCN 3
LED_R 15
8
KEYSCAN
SRQ 9
TO
DG20
PA20
AC_ON/OFF 1
TVON 3
Q4900
2
SOS
25
BT30V
MAIN 3.3V 23
22
MAIN 3.3V MAIN 3.3V
20
SUB 3.3V
SUB 9V 18
SUB 9V 17 SUB 9V
15
MAIN 9V MAIN 9V
MAIN 2.5V 13
MAIN 2.5V 12
9
SUB 5V SUB 5V
7
MAIN 5V MAIN 5V
STB 5V 5 STB 5V
TH-37/42PA50E, TH-37/42PE50B
DG-Board (1 of 2) Block Diagram
SOS2
M2_RST
IC1235
IIC BUFFER
7
SDAOUT
2 SCLOUT
IC1105
MAIN_PR
RGB_CVBS
Q LINK SW
4
3
2
1
RGB_FB
AV2_QLINK
AV4_QLINK
AFC1
RM_IN
LED_R
KEYSCAN
M2_RST
TUNER_MAIN_ON
SOS IC4049
SUB 5V
AVR 3.3V
8 VIN VOUT 1
5 CONT
IC1103
AVR STB 2.5V
STB 5V
2
VIN VOUT
1 VDET
6
SDAIN SDA1
SCLIN 3 SCL1
INV.
Q_LINK_SEL
Q1154
5
13
Q_LINK_OUT
Q1152
Q_LINK_IN
Q1153 Q1151,Q1150
IC4044
MAIN 2.5V
AVR 1.2V
AD 3.3V
1 VIN VOUT 5
IC4061
AVR 1.2V
1 VIN VOUT 5
IC1110
STB 5V
AVR 3.3V
3
STB 2.5V
4 5
VIN VO
SCL2L
SDA2L
MAIN_Y/CVBS
Q4006,Q4013
MAIN_PB/C
Q4012
MAIN_PR
Q4011
RGB_CVBS
Q4010,Q4015
CVBS1
SRQ
PLL 1.2V
DLL 1.2V
IC4008
STB 3.3V MAIN 5V AD 3.3V
AVR 3.3V
5 4
VIN VOUT
82 SCL
SDA
81
A/D 10bit
76
30MHz
A/D 10bit
74
30MHz
A/D 10bit
72
30MHz
57
AIN9
51
FB
IC4024
MAIN 2.5V
AVR 1.2V
1 3
VIN VOUT
91