Samsung RS2555SL, Service Manual

Page: 51 / 54

51
Appendix
Ⅰ Ⅰ
(Reference for circuit diagnostics)
Ref. 6) Table of temperature sensor according to resistance and voltage conversion.
Temp.(
℉
)
-43.6
-41.8
-40.0
-38.2
-36.4
-34.6
-32.8
-31
-29.2
-27.4
-25.6
-23.8
-22.0
-20.2
-18.4
16.6
-14.8
-13.0
-11.2
-9.4
-7.6
-5.8
-4.0
-2.2
-0.4
1.4
3.2
5.0
6.8
8.6
10.4
Resistance(
㏀
)
98.870
93.700
88.850
84.150
79.800
75.670
71.800
68.150
64.710
61.480
58.430
55.550
52.840
50.230
47.770
45.450
43.260
41.190
39.240
37.390
35.650
33.990
32.430
30.920
29.500
28.140
26.870
25.650
24.510
23.420
22.390
Voltage(V)
4.541
4.518
4.494
4.469
4.443
4.416
4.389
4.360
4.331
4.301
4.269
4.237
4.204
4.170
4.134
4.098
4.061
4.023
3.985
3.945
3.905
3.863
3.822
3.778
3.734
3.689
3.644
3.597
3.551
3.504
3.456
The input voltage to the MICOM PORT could be different by a hardware. This is a table based on the
voltage using the 10kohm-F.
MICOM PORT voltage when the sensor is open: about DC 5V(Vcc LEVEL)
MICOM PORT voltage when the sensor is shorted: about DC 0V(Ground LEVEL)
Temp.(
℉
)
12.2
14.0
15.8
17.6
19.4
21.2
23.0
24.8
26.6
28.4
30.2
32.0
33.8
35.6
37.4
39.2
41.0
42.8
44.6
46.4
48.2
50.0
51.8
53.6
55.4
57.2
59.0
60.8
62.6
64.4
66.2
Resistance(
㏀
)
21.410
20.480
19.580
18.730
17.920
17.160
16.430
15.740
15.080
14.450
13.860
13.290
12.740
12.220
11.720
11.250
10.800
10.370
9.959
9.569
9.195
8.839
8.494
8.166
7.852
7.552
7.266
6.992
6.731
6.481
6.242
Voltage(V)
3.408
3.360
3.310
3.260
3.209
3.159
3.108
3.057
3.006
2.955
2.904
2.853
2.801
2.750
2.698
2.647
2.596
2.545
2.495
2.445
2.395
2.346
2.296
2.248
2.199
2.151
2.104
2.057
2.012
1.966
1.922
Temp.(
℉
)
68.0
69.8
71.6
73.4
75.2
77.0
78.8
80.6
82.4
84.2
86.0
87.8
89.6
91.4
93.2
95.0
96.8
98.6
100.4
102.2
104.0
105.8
107.6
109.4
111.2
113.0
114.8
116.6
118.4
120.2
Resistance(
㏀
)
6.013
5.792
5.581
5.379
5.185
5.000
4.821
4.650
4.487
4.329
4.179
4.033
3.894
3.760
3.631
3.508
3.390
3.276
3.167
3.062
2.962
2.864
2.770
2.680
2.593
2.510
2.429
2.352
2.278
2.206
Voltage(V)
1.878
1.834
1.791
1.749
1.707
1.667
1.626
1.587
1.549
1.511
1.474
1.437
1.401
1.366
1.332
1.298
1.266
1.234
1.203
1.172
1.143
1.113
1.085
1.057
1.030
1.003
0.977
0.952
0.928
0.904