Panasonic KX-MB262CX Service Manual page 21

KX-MB262CX/KX-MB772CX
2. Safety Protection
a. 2 thermostats are provided with the unit, and the heater circuit is shut down when their surface temperatures became over
°
160 C.
b. The heater control circuit of IC300 has the built-in function that the software turns off the heater control automatically if the
heater is not turned ON every a fixed time.
c. When the temperature became over 250
(IC300-AC18pin becomes Low) will be executed.
The correspondence readings between temperature measured by thermistor and HEX readings
Temperature AD value
°
[C ]
0 252
1 251
2 251
3 251
4 251
5 251
6 251
7 250
8 250
9 250
10 250
11 249
12 249
13 249
14 249
15 248
16 248
17 248
18 248
19 247
20 247
21 247
22 246
23 246
24 246
25 245
26 245
27 245
28 244
29 244
°
C, the heater control circuit of IC300 is turned off forcedly and system reset
HEX reading Temperature
°
[C ]
FC 84
FB 85
FB 86
FB 87
FB 88
FB 89
FB 90
FA 91
FA 92
FA 93
FA 94
F9 95
F9 96
F9 97
F9 98
F8 99
F8 100
F8 101
F8 102
F7 103
F7 104
F7 105
F6 106
F6 107
F6 108
F5 109
F5 110
F5 111
F4 112
F4 113
AD value HEX reading
202 CA 168
200 C8 169
199 C7 170
198 C6 171
197 C5 172
196 C4 173
195 C3 174
193 C1 175
192 C0 176
191 BF 177
190 BE 178
188 BC 179
187 BB 180
186 BA 181
184 B8 182
183 B7 183
182 B6 184
181 B5 185
179 B3 186
178 B2 187
177 B1 188
175 AF 189
174 AE 190
173 AD 191
171 AB 192
170 AA 193
168 A8 194
167 A7 195
166 A6 196
164 A4 197
Temperature AD value HEX reading
°
[C ]
93 5D
92 5C
91 5B
90 5A
89 59
88 58
87 57
86 56
85 55
84 54
83 53
82 52
81 51
80 50
79 4F
78 4E
77 4D
76 4C
75 4B
74 4A
74 4A
73 49
72 48
71 47
70 46
69 45
68 44
68 44
67 43
66 42