Oki MB760b Maintenance Manual - Page 170

Electrical circuit diagram, connection, Part outside view, Resistance value, Fuser unit

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Oki Data CONFIDENTIAL 7. Connection diagrams Unit Electrical circuit diagram, connection Thermostat Upper (Plate heater) 800W 1 Lower 3 Upper (Halogen heater) 400W 2 4 09P-RWZV-K4GG-P4 CZHR-05V-S Fuser unit Upper Thermistor (PM9S-342) Compensation Thermistor (PT3-312) 1 A5 2 A4 3 A3 4 A2 5 A1 09P-RWZV-K4GG-P4 CZHR-04V-S Upper Side Thermistor (PT7S-312) Fuse 1 B4 2 B3 3 B2 4 B1 09P-RWZV-K4GG-P4 45387101TH Rev.1 Part outside view Resistance value Between pins -A5 and -A4: Approx. 80.58kΩ to 5338kΩ (0 to 93°C) Between pins -A3 and -A2: Approx. 104.5kΩ to 806.5kΩ (0 to 43°C) Between pins -B4 and -B3: Approx. 104.5kΩ to 806.5kΩ (0 to 43°C) Between pins -B2 and -B1: Open 1 2 5pin(A5) 4 3 4pin(B4) 7-4 /

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45387101TH
Rev.1
7-4 /
Oki
Data
CONFIDENTIAL
7. Connection diagrams
Unit
Electrical circuit diagram,
connection
Part outside view
Resistance value
Fuser unit
1
2
3
4
5
A5
A4
A3
A2
A1
1
2
3
4
B4
B3
B2
B1
Lower
(Halogen heater)
400W
Upper (Plate heater)
800W
Compensation
Thermistor
(PT3-312)
Upper
Thermistor
(PM9S-342)
Upper Side
Thermistor
(PT7S-312)
Fuse
1
3
2
4
Thermostat
Upper
09P-RWZV-K4GG-P4
09P-RWZV-K4GG-P4
CZHR-05V-S
CZHR-04V-S
09P-RWZV-K4GG-P4
1
2
4
3
4pin(B4)
5pin(A5)
Between pins -A5 and -A4: Approx. 80.58k
Ω
to 5338k
Ω
(0 to 93°C)
Between pins -A3 and -A2: Approx. 104.5k
Ω
to 806.5k
Ω
(0 to 43°C)
Between pins -B4 and -B3: Approx. 104.5k
Ω
to 806.5k
Ω
(0 to 43°C)
Between pins -B2 and -B1: Open