Panasonic KX-MB2230JT, Service Manual

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KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT
2. Safety Protection
a. 2 thermostats are provided with the unit, and the heater circuit is shut down when their surface temperatures became over
170
°
C.
b. The heater control circuit of IC300 has the built-in function that the hardware turns off the heater control automatically if
the software does not keep turning ON the heater every a fixed time.
c. When the temperature became over 250
°
C, the heater control circuit of IC300 is turned off forcedly and system reset will
be executed.
3. The correspondence readings between temperature measured by fixing thermistor and HEX readings
You can read the AD value of heater temperature in service mode.
Push the keys [MENU]-[#]-[9][0][0][0]-[ ]-[8][1][5].
The correspondence readings between temperature measured by thermistor and HEX readings
㪇
㪌㪇
㪈㪇㪇
㪈㪌㪇
㪉㪇㪇
㪉㪌㪇
㪇 㪌㪇 㪈㪇㪇 㪈㪌㪇 㪉㪇㪇 㪉㪌㪇
㪫㪼㫄㫇㪸㫉㪸㫋㫌㫉㪼㩿㷄䋩
㪘
㪛
㩷㫍㪸㫃㫌
㪼
Temperature
[C
°
]
AD value HEX reading Temperature
[C
°
]
AD value HEX reading Temperature
[C
°
]
AD value HEX reading
0 251 FB 84 215 D7 168 117 75
1 251 FB 85 214 D6 169 116 74
2 250 FA 86 213 D5 170 115 73
3 250 FA 87 212 D4 171 114 72
4 250 FA 88 211 D3 172 113 71
5 250 FA 89 210 D2 173 112 70
6 250 FA 90 209 D1 174 110 6E
7 250 FA 91 208 D0 175 109 6D
8 250 FA 92 208 D0 176 108 6C
9 250 FA 93 207 CF 177 107 6B
10 249 F9 94 206 CE 178 106 6A
11 249 F9 95 205 CD 179 105 69
12 249 F9 96 204 CC 180 104 68
13 249 F9 97 203 CB 181 103 67
14 249 F9 98 201 C9 182 102 66
15 249 F9 99 200 C8 183 101 65
16 248 F8 100 199 C7 184 100 64
17 248 F8 101 198 C6 185 99 63
18 248 F8 102 197 C5 186 98 62
19 248 F8 103 196 C4 187 97 61