Canon iR C6800 Series Circuit Diagram page 41
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Also See for iR C6800 Series:
- Service manual (1404 pages) ,
- Portable manual (456 pages) ,
- Service handbook (132 pages)
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FIX_UNIT SAFETY CIRCUIT
+5V
13
MA IN_T HM
14
MA IN_T HM _IN
12
C 114
0.1U,25V
IC12
LM324D
+5V
9
8
MA IN_T HM _EDG E
MA IN_T HM _EDG E_IN
10
IC12
LM324D
+5V
13
PRS_ TH M
14
PRS_ TH M_IN
12
C 162
IC24
0.1U,25V
LM324D
+5V
9
8
PRS_ TH M_EDGE
PRS_ TH M_EDGE_IN
10
IC24
LM324D
+5V
13
14
EX_FIX_T HM
EX_FIX_T HM _IN
12
C 161
IC25
0.1U,25V
LM324D
+5V
9
8
EX_FIX_T HM _EDG E
EX_FIX_T HM _EDG E_IN
10
IC25
LM324D
+3.3V
+3.3V
to FPGA(A507)
R192
2
1
470K,0.1W
TH M_ERR_ DTC
3
H:err
R193
R194
Q5 6
1
2
DTC 114EUA F
2.2K,0.1W
3.3K,0.1W
1
2
C9 2
0.1U,25V
F-1-28
R231
R233
1.2K,0.1W
MA IN_T HM _EDG E
1
2
1
910,0.1W
+5V
6
R234
MA IN_T HM
5
1
2
910,0.1W
IC12
Vdef=1.88V
LM324D
R237
1.2K,0.1W
R240
MA IN_T HM
1
2
1
910,0.1W
+5V
2
R238
MA IN_T HM _EDG E
3
1
2
910,0.1W
Vdef=1.88V
IC12
LM324D
R317
R321
1.2K,0.1W
PRS_ TH M_EDGE
1
2
1
910,0.1W
+5V
6
R322
P
RS_T HM
5
1
2
910,0.1W
IC24
Vdef=2.05V
LM324D
R329
1.2K,0.1W
R334
PRS_ TH M
1
2
1
910,0.1W
+5V
2
R330
PRS_ TH M_EDGE
3
1
2
910,0.1W
IC24
Vdef=1.88V
LM324D
R318
R323
1.2K,0.1W
EX_FIX_T HM _EDG E
1
2
1
910,0.1W
+5V
6
R324
EX_FIX_T HM
5
1
2
910,0.1W
Vdef=1.7V
LM324D
R331
1.2K,0.1W
R336
EX_FIX_T HM
1
2
1
910,0.1W
+5V
2
R332
EX_FIX_T HM _EDG E
3
1
2
910,0.1W
IC25
Vdef=1.7V
LM324D
+3.3V
Q5 5
DTC 114EUA F
3
+3.3V
2
1
LA TCHED_T HM _ERR
1.44V
3
to AC Drv I/F(A519)
+3.3V
IC6
to PIO(A504)
LM393D
1
2
C 118
0.1U,25V
+3.3V
2
1
+3.3V
1
2
1
2
R249
R250
+5V
2
3.3K,0.1W
10K,0.1W
Vth=2.48V
IC13
LM339D
11
13
7
10
C 121
0.1U,25V
C 119
0.1U,25V
2
1
+3.3V
Q7 5
R251
+5V
2
R248
IC13
DTA 114EUA F
1
2
1
2
LM339D
3.3K,0.1W
10K,0.1W
5
Vth=2.48V
2
1
4
C 166
2
1
0.1U,25V
+3.3V
+3.3V
R346
R345
1
2
1
2
10K,0.1W
2.2K,0.1W
+5V
2
FIX_FAN_RE F
Vth=2.7V
11
13
7
10
C 169
0.1U,25V
IC26
C 120
LM339D
0.1U,25V
+3.3V
2
1
Q7 6
+5V
2
R252
R247
IC26
DTA 114EUA F
1
2
1
2
LM339D
10K,0.1W
3.3K,0.1W
5
Vth=2.48V
2
1
4
C 167
0.1U,25V
2
1
+3.3V
R344
+3.3V
1
2
1
2
R347
4.7K,0.1W
+5V
2
IC27
Vth=2.24V
10K,0.1W
LM339D
11
13
EX_FIX_T HM _OPN
7
10
IC25
C 170
0.1U,25V
C 168
0.1U,25V
Q7 8
2
1
+3.3V
DTA 114EUA F
R343
IC27
+5V
2
1
2
1
2
LM339D
R348
4.7K,0.1W
5
10K,0.1W
Vth=2.24V
2
1
4
+3.3V
+3.3V
EX_FIX_T HM _IN
6
7
FIX_FAN_ON
FIX_FAN_RE F
5
DC CONTROLLER PCB ASSY (28/29)
to A520
IC6
C 537
LM393D
0.1U,25V
1
CP100
+5V
ch ec k
IC13
LM339D
MA IN_T HM _OPN
MA IN_T HM _IN
7
C 115
Vth=0.75V
6
+3.3V
0.1U,25V
+3.3V
1
2
1
CP101
R244
ch ec k
1
2
1
2
3
8.2K,0.1W
R242
TH M_ERR_ DTC
2.4K,0.1W
+5V
IC13
LM339D
MA IN_T HM _EDG E_IN
9
Vth=0.64V
8
C 117
0.1U,25V
+3.3V
2
1
R246
1
2
1
2
10K,0.1W
R241
2.4K,0.1W
1
CP102
+5V
ch ec k
IC26
LM339D
PRS_ TH M_OPN
PRS_ TH M_IN
7
C 116
Vth=1.2V
0.1U,25V
6
+3.3V
+3.3V
2
1
R245
1
2
1
2
3
12K,0.1W
R243
6.8K,0.1W
TH M_ERR_ DTC
+5V
IC26
LM339D
PRS_ TH M_EDGE_IN
9
Vth=1V
C 163
8
0.1U,25V
+3.3V
2
1
R341
1
2
1
2
6.8K,0.1W
R338
3.3K,0.1W
1
CP103
ch ec k
+5V
IC27
LM339D
EX_FIX_T HM _IN
7
+3.3V
C 165
Vth=0.74V
6
0.1U,25V
+3.3V
3
2
1
R340
1
2
1
2
TH M_ERR_ DTC
12K,0.1W
R337
3.48K,0.1W
+5V
IC27
LM339D
EX_FIX_T HM _EDG E_IN
9
C 164
Vth=0.72V
8
0.1U,25V
+3.3V
2
1
R342
1
2
1
2
20K,0.1W
R339
5.6K,0.1W
+3.3V
1
CP104
ch ec k
1
MA IN_T HM _OV R
+3.3V
3
Q7 4
TH M_ERR_ DTC
DTA 114EUA F
14
+3.3V
1
CP105
ch ec k
1
PRS_ TH M_OV R
+3.3V
3
Q7 7
TH M_ERR_ DTC
DTA 114EUA F
14
+3.3V
1
CP106
ch ec k
1
EX_FIX_T HM _OV R
+3.3V
3
Q7 9
TH M_ERR_ DTC
DTA 114EUA F
14
35
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