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创维数码5000-2588彩电集成电路实测检修数据 |
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发布日期:2013-3-13 16:54:41 作者: 出处: 浏览:126 人次 【大 中 小】 |
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引脚 |
符 号 |
直流 电压(V) |
对地电阻(kΩ) |
引脚 |
符 号 |
直流 电压(V) |
对地电阻(kΩ) |
黑笔地 |
红笔地 |
黑笔地 |
红笔地 |
1 |
REMOT |
5 |
7 |
11.5 |
22 |
BAND I |
0 |
7.2 |
16 |
2 |
AFC |
2.5 |
7 |
16 |
23 |
BAND O |
5.15 |
7.2 |
16 |
3 |
KEYO |
5.2 |
7 |
14.5 |
24 |
AUDIO DEF |
0 |
7.8 |
9.8 |
4 |
KEYI |
5.2 |
7 |
14.5 |
25 |
COLOR KILLER |
4.98 |
6.8 |
10 |
5 |
AVO |
5.16 |
7.5 |
20 |
26 |
NC |
0 |
7.2 |
26 |
6 |
AVI |
5.16 |
7.4 |
20 |
27 |
H-S |
4.5 |
6.5 |
10.5 |
7 |
NC |
5.2 |
7 |
20 |
28 |
SD |
3.6 |
6.5 |
9.5 |
8 |
AFC-MUTE |
0 |
7.2 |
26 |
29 |
Y |
0 |
7.2 |
8 |
9 |
SURROUND |
5.18 |
7.3 |
24 |
30 |
B |
0 |
7.2 |
8 |
10 |
NC |
0.2 |
7.2 |
24 |
31 |
G |
0 |
7.2 |
8 |
11 |
NC |
0.2 |
7.2 |
24 |
32 |
R |
0 |
7.2 |
8 |
12 |
CM |
0 |
0 |
0 |
33 |
BT |
1.7 |
7.2 |
23 |
13 |
SYNC |
2.6 |
7.2 |
12 |
34 |
RESET |
5.15 |
6.8 |
10 |
14 |
VOL |
0.65 |
6.5 |
7.5 |
35 |
V-S |
4.2 |
7.2 |
15 |
15 |
BASS |
0.11 |
6.5 |
7.5 |
36 |
FACTORY |
4 |
7.2 |
21 |
16 |
TREBLE |
0.2 |
6.5 |
7.5 |
37 |
SCL |
4.2 |
6 |
12 |
17 |
BAL |
0.39 |
7 |
7.5 |
38 |
SDA |
4.2 |
6 |
12 |
18 |
WOOFER |
0.13 |
6.5 |
∞ |
39 |
VDD |
5.2 |
4.5 |
7.2 |
19 |
3.58/4.43 |
0.01 |
7.5 |
13.5 |
40 |
OCS1 |
2.3 |
7.5 |
26 |
20 |
50/60Hz |
5.15 |
7 |
17.5 |
41 |
OCS2 |
2.3 |
7.5 |
26 |
21 |
POWER |
5.15 |
7.2 |
19 |
42 |
GND |
0 |
0 |
0 |
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