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TH-50PX20U-P
14.32. DG-Board (1 of 7) Schematic Diagram
DG-BOARD TNPA2816AB (1/7)
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A
D2255
MA3X152K0L
C2251
R2254
25V
R2257
22K
220/10V
18K
VAO MUTE
R2260
Q2251
2SB1218A-TX_M
Q2255
2SB1218A-TX_M
R2259
R2251
270
22K
Q2254
2SB1218A-TX_M
Q2252
2SB1218A-TX_M
MAIN_DEF
R2252
Q2253
22K
2SD1819A-TX
B
C2252
50V
0.01
POFF_DEF
MAIN_DEF
VAO_MUTE
C
REG3.3V
C003
TP013
TP014
6.3V
100/10V
JS001
C001
6.3V
100/10V
C002
50V
0.01
Vo
Vin
IC004
Nr
GND
ON/OFF
C009
PQ1L333M2SP
50V
0.01
C005
VCC
16V
0.1
C006
C007
C008
NC
35V
16V
35V
47/16V
0.1
47/16V
STB_3.3V
SBOJPG
GC_VP
D
RESET
GC_HFR
OSD_YS
GC_HP
FM_TRAP
Q001
R001
2SD1819A-TX
22
R004
VIDEO_MUTE
10K
2RF_SW
C004
50V
HDMIWP
1/50V
R003
SCLHDMI
22K
SDAHDMI
DG40
AUDIO_MUTE25
E
1
2
OSD_YM
OSD_B
OSD_G
OSD_R
TEST_SW
DG41
1
2
FA1
3
SCL1
4
5
SDA1
SCL2
6
SDA2
7
8
REMOTE_BC
9
F
TH-50PX20U-P
DG-BOARD (1 of 7) Schematic Diagram
1
2
R2261
2200
STB3.3V
1K
AC OFF MUTE
MAIN9V
3.3V
5V
R121
R069
100K
100
Q020
VAO SOUND DEFEAT
2SD1819A-TX
R120
R122
100
10K
REMOTE
5V
C2253
R2265
C022
R123
R2258
50V
Q2258
47K
50V
100K
0.01
47K
100P
2SD1819A-TX
R060
R059
1200
2700
R048
2700
R054
2700
STB3.3V
X001
LN-M8-335
RESET
R007
C030
C031
C028
3900
50V
50V
50V
100P
22P[JC]
22P[JC]
C018
C016
VO
50V
50V
100P
100P
SUB
GND
R070
R031
0
47K
R071
1K
R026
100
R158
R132
1200
2200
R027
220
1
63
[SBOJPG]
NC
47K
R028
100
2
PANEL_SOS
62
R128
/VSYNC
R073
0
3
(CEC_OUT)
AFC2
61
R015
4
NC
HDMIINT
60
R074
1K
220
R081
1K
5
/RST
[JPGINT]
59
R017
100
6
58
HFR(ATSCINT)
NC
7
/TEST
T_SENSOR
57
R018
100
8
56
YS
ATSCONOFF
47K
R129
9
(XRSTPKS)
IC001
(HP_DET)
55
10
54
SYSCLK
NC
R130
47K
TVRN062
11
(HFR)
(TVON_OPT)
53
R022
100
12
52
/HSYNC
POWDET_5V
1K
MAIN MICON
R085
1K
R010
13
FM_TRAP(DA_SWPKS)
[INT1JPG]
51
C049
50V
0.1
14
50
R086
1K
[INT0JPG]
OSDXI
0.1
R087
R024
1K
C050
50V
15
[XRSTJPG]
49
1K
OSDXO
16
48
R131
47K
2RF_SW
HP_DET(RELAY)
R025
1K
R077
10K
17
HDMIWP
SBT1
47
R012
0
R078
10K
18
SCLHDMI
NC(SBIPKS)
46
R013
0
19
SDAHDMI
AC_SW(SBOPKS)
45
1K
R008
2700
R080
C012
C013
20
VCOI
AUDIO_MUTE
44
50V
50V
PDO
POW_ST
R009
2700
21
43
100P
100P
R023
10K
R030
R016
3300
150
C014
C034
Q004
50V
6.3V
3900P
2SB1218A-TX_M
6.8
R032
Q005
100
2SB1218A-TX_M
C035
R072
16V
47K
0.1
1%
R055
C024
680
50V
C027
0.01
C025
Q029
R149
C032
16V
C029
6.3V
16V
1000P[KB]
4700
16V
47/16V
2SD1819A-TX
47/6.3V
47/6.3V
1%
R152
R138
22K
4700
R053
2700
R047
4700
Q023
2SD1819A-TX
3
4
SWITCH
IC005
C0JBAR000241
R148
1
Y0
VDD
16
Q027
220
C047
2
15
Y2
X2
50V
R163
2SD1819A-TX
0.01
3
Y
X1
14
4700
4
Y3
13
X
SWITCH
5
Y1
X0
12
6
11
INH
X3
7
VEE
A
10
8
VSS
B
9
JS3801
KEY_SCAN1
PT
STB3.3V
L3801
C037
C038
6.3V
50V
10U
100/6.3V
1
C3802
C3803
16V
6.3V
0.1
100
IC002
BR24C64F-E2
SCL2
SDA2
8
1
Q3804
VCC
A0
LOADER_MODE
2SB1218A-TX_M
7
A1
2
WP
SCL1
R093
100
6
3
A2
SCL
R3809
AFC1
330
SDA1
R094
100
R3810
5
SDA
VSS
4
R3806
C3804
10K
1K
16V
0.1
EEPROM
LEDCTRL_SOS
VPP12V
Q3801
AFC2
2SB1218A-TX_M
HDMIINT
JPGINT
R3801
R3805
5600
STB3.3V
22K
R3803
R164
R3802
Q030
27K
15K
3300
2SD1819A-TX
R165
Q3803
6800
2SD1819A-TX
Q3802
R166
6800
2SD1819A-TX
C3801
R3804
INT1JPG
16V
220K
0.1
INT0JPG
XRSTJPG
Q008
2SD1819A-TX
AUDIO_MUTE
R100
R099
12K
10K
R103
R097
220
240
Q006
MAIN_Y_1
C039
C041
C043
R092
2SD1819A-TX
10V
10K
1[ZF]
50V
50V
R095
560P[JC]
470P[JC]
1K
Q009
2SD1819A-TX
R102
12K
R101
10K
R098
R104
240
220
SUB_Y_1
C040
C042
C044
Q007
10V
1[ZF]
50V
50V
R096
2SD1819A-TX
470P[JC]
560P[JC]
1K
R137
4700
Q024
R140
0
2SD1819A-TX
D002
MAZ30910ML
5
6
96
TO
S-BOARD
(S4)
TO
K-BOARD
(K12)
KEY_SCAN1
TP8100
R3811
10K
49
32
P37/_SRDY3
P20
50
31
C3806
P36/SCLK3
P21
50V
0.01
51
30
P35/TXD3
P22
CONVERT MICON
C3807
52
29
P34/RXD3
P23
50V
22
53
28
P33/SCL
P24
R3812
0.01
54
27
P32/SDA
P25
R3813
22
IC3801
55
26
C3813
P31/DA2
P26
50V
X3801
R3814
100
56
25
33P[JC]
P30/DA1
P27
NX1255GA9.216MHZ
M38047M6-C15FP
57
VCC
VSS
24
58
21.P40/INT40/XCOUT
23
R3837
VREF
XOUT
C3814
20.P41/INT00/XCIN
1M
50V
C3805
59
AVSS
19._RESET
XIN
22
18.CNVSS/VPP
33P[JC]
16V
60
17.P42/INT1
21
P67/AN7
47/16V
61
P66/AN6
20
62
19
P65/AN5
C3811
63
18
P64/AN4
16V
2.2
64
17
P63/AN3
R3836
1K
C3812
16V
0.1
C3815
50V
0.056
IC3803
RESET
M51957BFP-600C
R3834
R3835
10K
10K
IC3802
C3809
C3808
16V
50V
0.01
47/16V
C0JBAR000241
C3810
D3801
50V
MA3X152K0L
1000P
1
16
Y0
VDD
2
15
Y2
X2
R3829
3
14
10K
Y
X1
4
13
Y3
X
5
12
Y1
X0
6
11
INH
X3
7
10
VEE
A
8
9
VSS
B
SWITCH
D3802
MA3X152K0L
C3816
50V
1000P
TH-50PX20U-P
DG-BOARD (1 of 7) Schematic Diagram
7
8
1
2
3
4
5
6
7
8
9
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