14.32. DG-Board (1 of 7) Schematic Diagram
NP
NP
SCL1
FA1
RXD_TU1
LOADER_MODE
VPP12V
KEY_SCAN1
KEY_SCAN1
RXD_TU0
TXD_TU0
SD
A2
SCL2
SDA1
LO
ADER_IN_SEL
SDA2
TXD_TU1
REMOTE_BC
MAIN_Y_1
SUB_Y_CC
CVT_TXD
SCL2
A
C
_TV
ON
XRSTJPG
INT0JPG
INT1JPG
SUB_Y_1
OSD_YM
OSD_B
OSD_G
OSD_R
AUDIO_MUTE25
GC_VP
KEY_SCAN2
SOS2
FA
1
REG3.3V
KEY_SCAN1
SBTJPG
SCL1
SCL1
SDA1
SD
A2
SCL2
2RF_SW
VAO_MUTE
MAIN_DEF
POFF_DEF
A
UDIO_MUTE25
A
UDIO_MUTE
SDAHDMI
SCLHDMI
HDMIWP
LO
ADER_IN_SEL
CVT_RXD
SDA2
SCL2
REMO
TE
REMO
TE_BC
SBIJPG
SD
A1
SBOJPG
GC_HFR
OSD_YS
VIDEO_MUTE
FM_TRAP
GC_HP
TEST_SW
RESET
AFC1
SUB_Y_1
MAIN_Y_CC
MAIN_Y_1
LEDCTRL_SOS
AUDIO_MUTE
AFC2
HDMIINT
JPGINT
STB3.3V
STB3.3V
STB3.3V
STB3.3V
STB3.3V
R048
2700
C028
50V
100P
R078
10K
Q006
2SD1819A-TX
C031
50V
22P[JC]
Q008
2SD1819A-TX
R140
0
1%
R052
510
R2260
1K
R080
1K
R081
1K
R015
220
IC001
TVRN062
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
R2254
22K
R128
47K
R058
1K
R152
22K
C024
50V
0.01
R025
1K
R038
220
R068
10K
R130
47K
R026
100
C011
4R7[KB]
R010
1K
C023
50V
27P
R132
2200
R071
1K
DG12
1
2
3
4
5
6
7
8
9
R062
1K
C013
50V
100P
R129
47K
R149
4700
R162
56
C037
100/6.3V
6.3V
R054
2700
R100
12K
C2251
220/10V
25V
R040
100
D002
MAZ30910ML
R161
56
R036
47K
Q2255
2SB1218A-TX_M
R092
10K
R074
1K
D001
MAZ30360HL
R159
56
R066
1K
R053
2700
R138
4700
R042
220
R018
100
C016
50V
100P
D2255
MA3X152K0L
R070
0
DG41
1
2
3
4
5
6
7
8
9
R047
4700
C032
47/6.3V
16V
Q023
2SD1819A-TX
R160
56
L3801
10U
C020
50V
22P[JC]
C017
50V
0.01[ZF]
C030
50V
22P[JC]
R2257
18K
R077
10K
R3831
0
R017
100
R3832
0
R022
100
R060
1200
R028
100
R085
1K
Q024
2SD1819A-TX
1%
R055
680
D3801
MA3X152K0L
Q004
2SB1218A-TX_M
R158
1200
C019
50V
0.01
R044
100
Q005
2SB1218A-TX_M
R097
240
R3836
1K
R059
2700
1%
R051
910
R073
0
C3815
50V
0.056
R063
1K
R027
220
R103
220
Q029
2SD1819A-TX
DG40
1
2
R087
1K
C012
50V
100P
R086
1K
R032
100
C3812
16V
0.1
R3826
47K
R004
10K
R031
47K
R007
3900
R2261
2200
R131
47K
R3829
10K
R046
100
R065
10K
C038
50V
1
R141
5600
R137
4700
Q2254
2SB1218A-TX_M
R2259
270
C034
6.8
6.3V
C035
16V
0.1
R067
33K
C033
1/50V
50V
C026
1/50V
50V
C029
47/6.3V
16V
R057
6800
C021
1/50V
50V
R039
0
R037
0
R043
0
R045
0
R016
150
C014
50V
3900P
R030
3300
X001
LN-M8-335
R050
4700
R049
1K
C015
6.3V
6.8
R034
47K
C027
1000P[KB]
16V
R072
47K
C025
47/16V
6.3V
R009
2700
R023
10K
R008
2700
R012
0
R013
0
Q2258
2SD1819A-TX
R2265
47K
C2253
50V
0.01
Q2253
2SD1819A-TX
C2252
50V
0.01
R2258
47K
D2252
MA3X152K0L
D2254
MA3X152K0L
Q2251
2SB1218A-TX_M
R2251
22K
R2252
22K
Q2252
2SB1218A-TX_M
D2251
MA3X152K0L
C003
100/10V
6.3V
C001
100/10V
6.3V
C006
47/16V
35V
TP013
TP014
C007
16V
0.1
C002
50V
0.01
JS001
C009
50V
0.01
C005
16V
0.1
IC004
PQ1L333M2SP
1
2
3
5
4
C008
47/16V
35V
IC003
PST9128NR
1
2
3
5
4
C018
50V
100P
R003
22K
Q001
2SD1819A-TX
R001
22
C004
50V
1/50V
R024
1K
IC3802
C0JBAR000241
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C3809
50V
0.01
C3808
16V
47/16V
C3805
47/16V
16V
C3804
16V
0.1
JS3801
PT
C3802
16V
0.1
C3803
6.3V
100
C3810
50V
1000P
IC3803
M51957BFP-600C
1
2
3
45
6
7
8
R3827
10K
R3830
10K
R3812
22
C3806
50V
0.01
C3811
16V
2.2
IC3801
M38047M6-C15FP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
R3824
10K
C3813
50V
33P[JC]
R3811
10K
C3814
50V
33P[JC]
R3816
10K
R3822
100
R3817
10K
R3814
100
R3815
0
X3801
NX1255GA9.216MHZ
R3821
3300
R3820
10K
R3819
10K
R3818
10K
R3837
1M
R3828
0
R3813
22
R3823
3300
R3825
10K
C3807
50V
0.01
R3834
10K
R3835
10K
R093
100
IC002
BR24C64F-E2
1
2
3
4
5
6
7
8
R094
100
R166
6800
R165
6800
R164
15K
Q030
2SD1819A-TX
D3802
MA3X152K0L
C3816
50V
1000P
IC005
C0JBAR000241
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C047
50V
0.01
R122
10K
R120
100
C022
50V
100P
R069
100
R123
100K
Q020
2SD1819A-TX
R121
100K
C050
50V
0.1
C049
50V
0.1
C043
50V
470P[JC]
C041
50V
560P[JC]
R095
1K
C039
10V
1[ZF]
R099
10K
C044
50V
470P[JC]
C042
50V
560P[JC]
R096
1K
Q009
2SD1819A-TX
C040
10V
1[ZF]
R101
10K
R102
12K
R104
220
Q007
2SD1819A-TX
R098
240
R3802
3300
Q3803
2SD1819A-TX
C3801
16V
0.1
R3801
5600
R3805
22K
Q3802
2SD1819A-TX
R3803
27K
Q3801
2SB1218A-TX_M
R3804
220K
R3806
1K
R3810
10K
R3809
330
Q3804
2SB1218A-TX_M
Q027
2SD1819A-TX
R163
4700
R148
220
TP8100
YM
T_SENSOR
A
UDIO_MUTE
SDHD_DET
MAIN_DEF
VREFLS
CLL
AV
D
D
GREEN_LED
RMIN
[JPGINT]
VAO SOUND DEFEAT
COMP
POWDET_5V
KEYSCAN1
VDD
NC(SBIPKS)
HDMIWP
SBT1
(CEC_OUT)
FA
1
/HSYNC
AD_MODE
SD
A0
OSC1
[SBTJPG]
VAO MUTE
FM_TRAP(DA_SWPKS)
VSS
EXRGBMUTE
SOS2
SYSCLK
(HFR)
(XRSTPKS)
STB_LED(RED)
[XRSTJPG]
YS
IREF
HP_DET(RELAY)
OSDXI
(HP_DET)
PANEL_SOS
[INT0JPG]
ATSCONOFF
[INT1JPG]
VREF
SW5V
KEY1
OSD_B
SDAHDMI
STB5V
NC
SCL0
MODEMLED
OSC2
AFC2
GND
ON_LED(Gr)
NC
PO
WER_LED
PDO
[SBIJPG]
VCOI
/RST
NC
KEYSCAN2
OSDXO
/TEST
NC
SD
A1
SOS_CO
VER
HFR(ATSCINT)
VDD(VPP)
2RF_SW
SUB5V
CLH
SCLHDMI
NC
/VSYNC
MAIN MICON
VREFHS
AC_SW(SBOPKS)
AUDIO_MUTE
[SBOJPG]
(TVON_OPT)
POW_ST
NC
OSD_R
OSD_G
VSS
GND
AFC1
HDMIINT
SCL1
WP
AC OFF MUTE
CVBS0
CVBS1
CONVERT MICON
MAIN9V
STB_3.3V
ON/OFF
Nr
Vin
GND
Vo
SUB
VCC
GND
VO
NC
X0
Y0
A
X3
Y2
VDD
Y
B
X1
X
VSS
INH
VEE
Y1
X2
Y3
P04/AN12
P54/CNTR0
P16
19._RESET
P34/RXD3
20.P41/INT00/XCIN
P31/DA2
P12
P46/SCLK1
P45/TXD1
P33/SCL
17.P42/INT1
AVSS
P37/_SRDY3
P57/INT3
P47/_SRD
Y1
P55/CNTR1
P25
P35/TXD3
21.P40/INT40/XCOUT
P50/_SIN2
VCC
46.P02/AN10
P14
VREF
P15
P64/AN4
P51/_SOUT2
1.P62/AN2
P32/SDA
P65/AN5
P52/_SCLK2
P53/_SRD
Y2
P05/AN13
P07/AN15
2.P61/AN1
P43/INT2
P23
P30/DA1
/CNTR2
P13
P06/AN14
48.P00/AN8
P20
P11/INT01
P36/SCLK3
P22
47.P01/AN9
18.CNVSS/VPP
3.P60/AN0
P26
P27
P21
P10/INT41
P56/PWM
45.P03/AN11
XIN
P67/AN7
33.P17
P24
P66/AN6
P63/AN3
P44/RXD1
XOUT
VSS
VSS
SCL
WP
SDA
EEPROM
A0
A2
VCC
A1
VEE
X
Y2
INH
VSS
Y3
Y
X0
B
A
Y0
X2
Y1
VDD
X3
X1
5V
3.3V
REMOTE
5V
B
E
9
6
8
7
3
D
4
C
1
2
F
5
A
5
6
4
8
7
2
3
1
DG-BOARD TNPA2816AB (1/7)
!
RESET
SWITCH
SWITCH
RESET
SWITCH
TO
(K12)
K-BOARD
TH-42PX20U-P
DG-BOARD (1 of 7) Schematic Diagram
TH-42PX20U-P
DG-BOARD (1 of 7) Schematic Diagram
TO
(S4)
S-BOARD
94
Summary of Contents for TH-42PX20U/P Operating
Page 9: ...6 2 Lead of Wiring 2 9 ...
Page 10: ...6 3 Lead of Wiring 3 10 ...
Page 11: ...6 4 Lead of Wiring 4 11 ...
Page 12: ...6 5 Lead of Wiring 5 12 ...
Page 34: ...15 2 Parts Location 2 34 ...
Page 35: ...15 3 Parts Location 3 35 ...
Page 36: ...36 ...
Page 37: ...15 4 Parts Location 4 15 5 Parts Location 5 37 ...
Page 38: ...38 ...
Page 42: ...17 2 Electrical Replacement Parts List 42 ...
Page 54: ...D12 K1KA07A00189 7P CONNECTOR 1 54 ...
Page 348: ...1 Applicable signals 4 TH 42PX20U P ...
Page 353: ...6 Location of Lead Wiring 6 1 Lead of Wiring 1 9 TH 42PX20U P ...
Page 354: ...6 2 Lead of Wiring 2 10 TH 42PX20U P ...
Page 355: ...6 3 Lead of Wiring 3 11 TH 42PX20U P ...
Page 356: ...6 4 Lead of Wiring 4 12 TH 42PX20U P ...
Page 357: ...6 5 Lead of Wiring 5 13 TH 42PX20U P ...
Page 358: ...6 6 Lead of Wiring 6 14 TH 42PX20U P ...
Page 367: ...9 4 IIC mode structure following items value is sample data 23 TH 42PX20U P ...
Page 376: ...32 TH 42PX20U P ...