Panasonic TH-42PX20U-P Service Manual page 162

21
JG-BOARD TNPA2992 (3/5)
!
22
23
L2602
LSLF0027
C2616
10P
C2617
X2601
R2623
27MHz 1M
C2618 10P
R2621
1800
C2619 L2605 R2605
3.3U 47
1000P[KB]
DMA[0]
R2622
33
DMA[1]
DMA[2]
DMA[3]
R2606
47
DMA[4]
C2609 0.1
DMA[5]
DMA[6]
DMA[7]
DMA[8]
DMA[9]
DMA[10]
DMA[11]
C2610 0.1
R2607
47
/DCAS
DCKE
/DWE
/DRAS0
DBANK0
DBANK1
C2611 0.1
R2608
10
DB[0]
DB[1]
DB[2]
DB[3]
DB[4]
DB[5]
DB[6]
C2612 0.1
DB[7]
R2609
10
DB[8]
DB[9]
DB[10]
DB[11]
C2613 0.1
R2610
10
DB[12]
DB[13]
DB[14]
DB[15]
R2611
10
C2614 0.1
/DCS0
DQM
DSCK
C2615 0.1
HD[0-15]
24
25
26
27
28
TH-42PX20U-P JG-BOARD (3 of 5) Schematic Diagram
19 20
L2603
C2621 C2622
LSLF0027
1 0.1
10
52 51 49 48 47 46 45 44 43 42 41 40 39 38 37 35 34 33
50 36
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
R2615 33
69
R2616 33
70
R2617 33
71
R2618 33
72
R2619 33
73
R2620 33
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
R2612 33
100
R2613 33
101
R2614 10
102
103
104
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156
C2620
100/6.3V
L2604
LSLF0027
21 22
R2645
R2652
120
120
R2638
4700
32 31 30 29 28 27 26 25 24 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 6 4 3
23 7 5
IC2602
ES6420FF
PC/SD CARD INTERFACE
23
2 1
208
R2662
120 LA[3]
207
LA[2]
206
LA[1]
205
LA[0]
204
203
202
201
C2638 0.1
200
199
R2671 120
198
R2663
120 LD[15]
197
LD[14]
196
LD[13]
195
LD[12]
194
193
C2639 0.1
192
R2664
120 LD[11]
191
LD[10]
190
LD[9]
189
LD[8]
188
R2679
LD[7]
120
187
LD[6]
186
LD[5]
185
C2640 0.1
LD[4]
184
183
182
R2665
120 LD[3]
181
LD[2]
180
LD[1]
179
LD[0]
178
C2641 0.1
177
R2672 120
176
R2673 120
175
R2674 120
174
R2675 120
173
TP2607
172
C2644 0.1
171
R2785 120
170
R2676 22
169
R2666 22
168
R2677 33
167
R2678 22
166
R2667 22
165
164
0.1
C2642
163
R2668 22
162
R2669 22
161
R2670 22
160
159
R2661 33
158
157
C2643 0.1
RESET
IC2603
3 2
1
SN74AHC1G04DBVR
C2645
0.1
(C0JBAB000244)
4 5
L2606
R2680
LSLF0027
47
24 25
RST
R2644 R2643
1K 1K
31
32
/WRLL
33
34
/LCS3
/LCS2
/LCS1
/LOE
SD_CLK
SD_CMD
SD_DAT3
SD_DAT2
SD_DAT1
SD_DAT0
/IREQ
35
36
37
38
39
40
TH-42PX20U-P
JG-BOARD (3 of 5) Schematic Diagram
26 27