Panasonic TH-42PX20U-P Service Manual page 134

D-BOARD TXN/D10QKS (3/15)
!
D10
R9831 10k
R9948 10k
R9970 10k
10k
R9972
C9636
16V
0.1u
61
62
R9659 4.7k
63
64
NC
D[1]
R9660 4.7k
65
XRD D[0]
R9661 66 VSS
XCS
AG_BUS_REQ
4.7k 67
BUS_REQ
R9656 0
68 IC9608
BUS_RELEASE
R9657
0 69
DATA
C0ZBZ0000764
70
XCEO
71 TEDASIC
VSS
72
CLK
73
VDD
C9637
74
16V VDD
0.1u
75
XRST
STATUS[1]
76
VDD STATUS[2]
R9662
77 TDO
10k XCF
78
79
R9658
80
10k
R9666
4.7k
42
43
44
BA
TH-42PX20U-P D-BOARD (3 of 15) Schematic Diagram
16 17
P5V
TO
P-BOARD
(P25)
D25
1
15V
15V 2
3
GND
4
GND
5
5V
GND 6
R9807
EXB38V103JV
7
FAN_CONT
AF_D0
8
GND
AF_D1
AF_D2
AF_D3
R9808
EXB38V103JV
AF_D4
AF_D5
AF_D6
AF_D7
FPGA
CONTROL
R9959
4.7k
40
C9957
39 C9959
16V 25V
AF_D15
38
220u
4.7u
AF_SAU0
37
ADDRESS[2]
DATA[6]
AF_SBU0 C9958
36
DATA[7] ADDRESS[3]
25V
AF_SCU0
VDD 35 220u
ADDRESS[4]
AF_SAU1
34
ADDRESS[5]
AF_SBU1
33
VDD
C9641
32
VSS 16V
0.1u
31
ADDRESS[6]
AF_SCU1
30
ADDRESS[7]
AF_SAU2
29
ADDRESS[8]
AF_SBU2
28
ADDRESS[9]
AF_SCU2
27
ADDRESS[10]
AF_SAU3
26
ADDRESS[11]
VSS
AF_SBU3
25
ADDRESS[16] ADDRESS[12]
AF_SCU3
ADDRESS[17] 24
ADDRESS[13]
C9466
AF_SAU4 C9465
23
16V
4V
AF_SBU4
0.1u
22 220u
AF_SCU4
21
TO
P-BOARD
(P27)
D27
1
RUSH_ON/OFF
2
TV_ON/OFF
M_POWER 3
4
STB5V
5
KILL_SOS
6
FAN_SOS
7
PS_SOS
ALL_OFF1 8
GND 9
BB BC
18
UNREG14V
L9953
ELKE103FA
1 3
2 C9953 C9956
16V 50V
47u
0.01u
L9954
1 3
ELKE103FA
2
P5V
L9952
5V
ELKE103FA
1 3
D9801
C9952 C9955
2
16V
16V B0JCME000025
47u
0.1u
AA_FAN_CONT
R9963
0
C9802
16V
47u
1.8V
IC9951 R9854
G1C1R5Z00002
0
C0DBAMH00006
C9800
4V
AVR 3.3V
220u
L9955 3.3V
R9964
C9801
G1C470M00012
0
3.3V
R9961
1.62k
1%
R9962
D9953
1k
MA3X152K0L
1%
C9961 C9964
C9960
4V 16V
16V
120u 0.1u
0.1u
D9954
B0JCME000025
C9968
IC9453 16V
47u
C0DBEZG00004
1.8V_S
R9969
3.3V -> 2.5V
G1C1R5Z00002
0
C9966
4V
R9481
220u
1k 1%
R9480
1k
2.5V
R9971 C9967
1%
0
C9471
16V C9472
0.1u 6.3V
10u
C9709 STB5V_S
L9951
16V
ELKE103FA
5V 47u
1 3
C9951 C9954
2
16V 16V
47u 0.1u
R9951
0
AA_RUSH_ON/OFF
0
R9952
AA_TV_ON/OFF
R9954 0
AA_KILL_SOS
R9955 0
AA_FAN_SOS
0
R9956
AA_PS_SOS
R9957 0
AA_ALL_OFF1
19 20
1 16
GND GND
C9804
2 15
BOOST NC
25V
0.1u R9902
3 14 1k
VIN SYNC
C9806
4 13
VIN VC 16V
0.1u
C9803
16V
5 12
4.7u SW FB
R9912
0
6 11
SW SHDN
Thermal
L9800
Pad R9892
10k
7 10
NC NC
C9805
8 9
GND GND 2200p
50V
6.3V
10u
D9800
B0JCPD000010 AVR 1.8V
1 16
GND GND
C9970
2 15
BOOST NC
25V
R9965
0.1u
1k
3 14
VIN SYNC
C9965
4 13
VIN VC 16V
0.1u
C9969
16V
4.7u 5 12
SW FB
R9966
0
6 11
SW SHDN
L9956 Thermal
Pad R9998
10k
7 10
NC NC
C9971
50V
8 9
GND GND
2200p
6.3V
10u
D9955
B0JCPD000010 AVR 1.8V
BD BE BF BG BH BI
TH-42PX20U-P D-BOARD (3 of 15) Schematic Diagram
21
62
BJ BK BL
22 23