Panasonic TH-42PX20U-P Service Manual page 280

D-BOARD TXN/D10QKS (7/15)
STB5V_S
C9740
16V
0.1u
R9820
R9825
AR_TXD_PC
AR_RXD_PC
AR_SCL3
AR_SDA3
AJ_IIC_CONT
AR_IIC_INT
C9741 C9742
16V 16V
47u
0.1u
AA_KEY
AA_SOS3
R9943
AA_CABLE_DET R9925
AA_PS_SOS R9818
AA_SOS2
R9819
AR_TXD_PC
AR_RXD_PC
08
C000018
8
VCC
C9748 C9750
16V
16V
7
WP
0.1u
4.7u
R9834 56
6
SCL
R9835
5 56
SDA
OM
P5V
R9933
D9769
330
R9934 MA3X152K0L
10k
Q9714
2SD0601A0L
R9992
D9714
330
R9993 MA3X152K0L
10k
Q9717
2SD0601A0L
R9941
D9771
330
R9942 MA3X152K0L
10k
Q9716
2SD0601A0L
12
109
R9826
R9832
100
10k
R9843
10k
R9844 10k
R9846 10k
R9827
4.7k
3.3k
R9847 10k
Q9709
R9848
2SD0601A0L
EXB38V103JV
OR
AH_REM_OUT
AH_REM_INH
1k
Q9708
2SD0601A0L
R9923 100
R9838 0
49
P37/_SRDY3
NC
50
P36/SCLK3
IIC SEL
R9839 100
51
P35/TXD3
R9840
100
52
P34/RXD3
R9823
56
53
P33/SCL
R9824
56
54
P32/SDA
R9849 100
55
P31/DA2
IICCONT
R9850 100
56
P30/DA1
IICINT
57
VCC
C9749 R9851
58
VREF
16V
22k
59
0.1u
AVSS
R9871
R9770 60
P67/AN7
NC
100 1k
61
P66/AN6
NC
10k R9816
0
62
P65/AN5
KEY_SCAN
100 1k
63
P64/AN4
POWER_SOS
100
64
P63/AN3
DRV_SOS
D9720
MAZ30620ML
R9809
10k
R9837
D9724
MA2J11100L 10k
C9767 R9855
16V 39k
3.3V
1u
C9766
C9765
16V 6.3V
R9859
10u
0.1u
1k
R9937
330
Q9715
2SD0601A0L
13
C9756
50V
1000p
CONVERT
R9817
0
MICRO PROCESSOR
R9885
EXB38V103JV
R9916
0
R9944
C9769
1k
16V
0.1u
R9900
100
R9903
10k
R9921 100
32
R9904 10k
31
R9905
30
10k
29
R9906 100
28
P24 LED_R
10k
R9907
27
32.P20_REM OUT P25MAIN_CONF
31.P21 STB_ON
R9908
26 100
30.P22LODER_MD P26 LED_G
29.REM_INH R9909
10k
25
P27 INT_SERIAL
24
VSS
23
21.P40/INT40/XCOUT SCL
XOUT
20.P41/INT00/XCIN SDA
22
19._RESET
XIN
18.CNVSS/VPP
21
17.P42/INT1 FPGA CS
20
19
18
R9910
17
R9914
C9759
16V
0.1u
P5V
R9913
22k
IC9710
C0EBB0000024
RESET
D9727
MA3X152K0L
TH-42PX20U-P D-BOARD (7 of 15) Schematic Diagram
14
AA_ALL_OFF1
AA_STB_ON
AH_REM_OUT
R9922
R9917
10k 100
AH_REM_INH
AA_LED_R
AA_LED_G
X9702
C9761
H0J921400003
33p
50V
R9920
C9762
1M
33p
50V
100
R9924
22k
1k
C9760
16V
0.056u
R9919
1%
10k
1%
R9918
0
15
AD
51
52
53
54
55
56
57
58
59