Panasonic TH-42PX20U-P Service Manual page 160

JG-BOARD TNPA2992 (1/5)
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A
B
GND 1
D3
2
D4
3
D5
4
D6
5
D7
6
CE1-
7
A10
8
OE-
9
A11
10
A9
11
A8
12
A13
13
A14
14
WE-
15
READY
C 16
VCC
17
VPP1
18
A16
19
A15
20
A12
21
A7
22
A6
23
A5
24
A4
25
A3
26
A2
27
A1
28
A0
29
D0
30
D1
31
D2
32
D
WP
33
GND
34
GND
35
CD1-
36
D11
37
D12
38
D13
39
D14
40
D15
41
CE2-
42
VS1-
43
IORD-
44
IOWR-
45
A17
46
PC CARD SLOT
A18
47
A19
48
A20
49
E
A21
50
VCC
51
VPP2
52
A22
53
A23
54
M/S/A24
55
CSEL/A25
56
VS2-
57
RESET
58
WAIT-
59
RFU
60
REG-
61
BVD2
62
BVD1
63
D8
64
D9
65
D10
66
F
CD2-
67
GND
68
K1NA68E00068
P2601
TH-42PX20U-P
JG-BOARD (1 of 5) Schematic Diagram
1 2
SD_WP
SD_CD
HOST_SDI
C2671
L2610
47/6.3V
J0JHC0000018
0.1 C2672
82
R2721
PCD[11]
PCD[12]
HIORDY
PCD[13]
/HIOCS16
PCD[14]
/IREQ
R2722 PCD[15]
82
R2723
82
R2724
0
R2725
82
82 R2726
PCA[9]
82 R2727 PCA[8]
R2728
82
R2729
82
R2730 PCA[7]
82
PCA[6]
PCA[5]
PCA[4]
PCA[3]
R2731
82
PCA[2]
PCA[1]
PCA[0]
R2732 PCD[8]
82
PCD[9]
PCD[10]
R2738
82
82 R2733 PCD[3]
PCD[4]
PCD[5]
PCD[6]
82 R2734
PCD[7]
82 R2735
82 R2736
R2737
82
PCD[0]
PCD[1]
PCD[2]
3
0.1 C2669
LD[15]
LD[14]
LD[13]
LD[12]
PCD[0]
LD[11]
PCD[1]
LD[10]
PCD[2]
LD[9]
PCD[3]
LD[8]
BUFFER
PCD[4]
PCD[5]
R2787
10K
PCD[6]
PCD[7]
BUFFER
C2668
0.1
4 5
C2664
0.1
HD[0]
HD[1]
HD[2]
PCD[8]
HD[3]
PCD[9]
HD[4]
PCD[10]
HD[5]
PCD[11]
HD[6]
PCD[12]
SWITCHING
HD[7]
BUFFER
PCD[13]
PCD[14]
PCD[15]
L2609
J0JHC0000018
C2666
0.1
PCA[0]
PCA[1]
PCA[2]
PCA[3]
PCA[4]
PCA[5]
PCA[6]
PCA[7]
C2667
0.1
PCA[8]
PCA[9]
IC2613
(C0JBAZ001669)
SN74AHCT1G125DBVR
TH-42PX20U-P JG-BOARD (1 of 5) Schematic Diagram
6 7
1
2
3
4
C2665
0.1
HD[8]
HD[9]
HD[10]
HD[11]
HD[12]
5
HD[13]
HD[14]
HD[15]
SWITCHING
BUFFER
6
7
8
DD[0]
DD[1]
DD[2]
DD[3]
DD[4]
BUFFER
DD[5]
9
DD[6]
DD[7]
10
11
BUFFER
12
13
14
15
16
17
8 9