DOWNLOAD Panasonic KX-FLB883RU Service Manual ↓ Size: 13.43 MB | Pages: 127 in PDF or view online for FREE

Model
KX-FLB883RU
Pages
127
Size
13.43 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / FLAT-BED MULTI-FUNCTION DEVICE
File
kx-flb883ru.pdf
Date
PREV: Panasonic KX-FLB853RU / KX-FA101A / KX-FA102A / KX-FA104E (serv.man4) Service Manual / Supplement

Panasonic KX-FLB883RU Service Manual ▷ View online

61
KX-FLB883RU
Note:
The value is displayed on LCD at Test Functions (P.90) [#815].
32 243
F3
116 160
A0
200 64
40
33 242
F2
117 159
9F
201 63
3F
34 242
F2
118 157
9D
202 62
3E
35 241
F1
119 156
9C
203 61
3D
36 241
F1
120 155
9B
204 61
3D
37 240
F0
121 153
99
205 60
3C
38 240
F0
122 152
98
206 59
3B
39 239
EF
123 151
97
207 58
3A
40 239
EF
124 149
95
208 58
3A
41 238
EE
125 148
94
209 57
39
42 238
EE
126 146
92
210 56
38
43 237
ED
127 145
91
211 56
38
44 236
EC
128 144
90
212 55
37
45 236
EC
129 142
8E
213 54
36
46 235
EB
130 141
8D
214 54
36
47 235
EB
131 139
8B
215 53
35
48 234
EA
132 138
8A
216 52
34
49 233
E9
133 137
89
217 52
34
50 233
E9
134 135
87
218 51
33
51 232
E8
135 134
86
219 50
32
52 231
E7
136 133
85
220 50
32
53 231
E7
137 131
83
221 49
31
54 230
E6
138 130
82
222 49
31
55 229
E5
139 129
81
223 48
30
56 228
E4
140 127
7F
224 48
30
57 228
E4
141 126
7E
225 47
2F
58 227
E3
142 125
7D
226 46
2E
59 226
E2
143 123
7B
227 46
2E
60 225
E1
144 122
7A
228 45
2D
61 224
E0
145 121
79
229 45
2D
62 224
E0
146 120
78
230 44
2C
63 223
DF
147 118
76
231 44
2C
64 222
DE
148 117
75
232 43
2B
65 221
DD
149 116
74
233 43
2B
66 220
DC
150 114
72
234 42
2A
67 219
DB
151 113
71
235 42
2A
68 218
DA
152 112
70
236 41
29
69 217
D9
153 111
6F
237 41
29
70 216
D8
154 109
6D
238 40
28
71 215
D7
155 108
6C
239 40
28
72 214
D6
156 107
6B
240 39
27
73 213
D5
157 106
6A
241 39
27
74 212
D4
158 105
69
242 38
26
75 211
D3
159 103
67
243 38
26
76 210
D2
160 102
66
244 37
25
77 209
D1
161 101
65
245 37
25
78 208
D0
162 100
64
246 37
25
79 207
CF
163 99
63
247 36
24
80 206
CE
164 98
62
248 36
24
81 205
CD
165 97
61
249 35
23
82 204
CC
166 96
60
250 35
23
83 203
CB
167 94
5E
Temperature
[C
°]
AD value
HEX reading
Temperature
[C
°]
AD value
HEX reading
Temperature
[C
°]
AD value
HEX reading
62
KX-FLB883RU
The correspondence readings between temperature measured by fixing thermistor and HEX readings
Temperature
[C
°]
AD value
HEX reading
Temperature
[C
°]
AD value
HEX reading
Temperature
[C
°]
AD value
HEX reading
-20
204
CC
27
86
56
74
25
19
-19
202
CA
28
84
54
75
24
18
-18
200
C8
29
82
52
76
23
17
-17
198
C6
30
80
50
77
23
17
-16
196
C4
31
78
4E
78
22
16
-15
193
C1
32
76
4C
79
22
16
-14
191
BF
33
74
4A
80
21
15
-13
189
BD
34
72
48
81
21
15
-12
186
BA
35
70
46
82
20
14
-11
184
B8
36
68
44
83
20
14
-10
181
B5
37
67
43
84
19
13
-9
179
B3
38
65
41
85
19
13
-8
176
B0
39
63
3F
86
18
12
-7
174
AE
40
61
3D
87
18
12
-6
171
AB
41
60
3C
88
17
11
-5
168
A8
42
58
3A
89
17
11
-4
166
A6
43
57
39
90
16
10
-3
163
A3
44
55
37
91
16
10
-2
160
A0
45
54
36
92
16
10
-1
158
9E
46
52
34
93
15
0F
0
155
9B
47
51
33
94
15
0F
1
152
98
48
50
32
95
14
0E
2
150
96
49
48
30
96
14
0E
3
147
93
50
47
2F
97
14
0E
4
144
90
51
46
2E
98
13
0D
5
141
8D
52
45
2D
99
13
0D
6
139
8B
53
43
2B
100
13
0D
7
136
88
54
42
2A
101
12
0C
8
133
85
55
41
29
102
12
0C
9
131
83
56
40
28
103
12
0C
10
128
80
57
39
27
104
12
0C
11
125
7D
58
38
26
105
11
0B
12
123
7B
59
37
25
106
11
0B
13
120
78
60
36
24
107
11
0B
14
117
75
61
35
23
108
10
0A
15
115
73
62
34
22
109
10
0A
16
112
70
63
33
21
110
10
0A
17
110
6E
64
32
20
111
10
0A
18
107
6B
65
31
1F
112
10
0A
19
105
69
66
31
1F
113
9
09
63
KX-FLB883RU
20
102
66
67
30
1E
114
9
09
21
100
64
68
29
1D
115
9
09
22
97
61
69
28
1C
116
9
09
23
95
5F
70
27
1B
117
8
08
24
93
5D
71
27
1B
118
8
08
25
91
5B
72
26
1A
119
8
08
26
88
58
73
25
19
120
8
08
Temperature
[C
°]
AD value
HEX reading
Temperature
[C
°]
AD value
HEX reading
Temperature
[C
°]
AD value
HEX reading
64
KX-FLB883RU
6.17. Main Board Section
3.3V  Power Supply descriptions
• IC 302 decreases the output voltage when NPN transistor installed chopper amplifier type switching regulator produces 2.3A min
or over at the output voltage. 
Oscillation frequency is set at approximately 500kHz.
• C375 and D302 are boost circuits as a base driving voltage for buit-in transistors.
• D301,R311,R312,R313,C375,Q300,R318,Q301are UVLO (Under Voltage Lock Out) circuit.
Q301 turns on when the inout voltage is 17V or less and SS/SE terminal becomes low so that IC302's operation is stopped.
• D303 controls no to be a overvoltage at 3.3V output when Ics including IC302 break down.
1.2V Power Supply descriptions
• IC305 is Nch FET used Switching Regulator with synchronous rectification system.
Oscillation frequency is set at approximately 350kHz.
• R356 is a resistor for decreasing the output voltage when the output voltage shows high.
The value is compared with the voltage drop at FET.
• C395 and D305 are FET's boost circuit as a gate driving voltage.
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