Service Manual
Page 34
...sensor Q Delivery sensor Pick-up sensor Photointerrupter Fixing heater temperature sensor TH1 Thermistor Power switch Control key Microprocessor Driver assembly DC controller/DC power supply PCB High-voltage transformer Scanning lamp Main motor Solenoid DC load Primary/Transfer ... circuit +DC24V +DC5V DC power supply PCB Display Door switch Delivery door switch Relay AC driver Driver Heater AC load Scanning lamp Figure 2-101B 2-2 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Outline of Electrical Circuit...
...sensor Q Delivery sensor Pick-up sensor Photointerrupter Fixing heater temperature sensor TH1 Thermistor Power switch Control key Microprocessor Driver assembly DC controller/DC power supply PCB High-voltage transformer Scanning lamp Main motor Solenoid DC load Primary/Transfer ... circuit +DC24V +DC5V DC power supply PCB Display Door switch Delivery door switch Relay AC driver Driver Heater AC load Scanning lamp Figure 2-101B 2-2 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Outline of Electrical Circuit...
Service Manual
Page 51
...specified value. J621 -4 Scanning lamp (LA1-LA8) J108-1 +24VU - + Intensity sensor -3 (PD601) J108-2 (-1) Q143 Rush current protection circuit Lamp driver circuit Lamp ON signal (LAPWM) Microprocessor VR604 - + 5V Amplifier circuit J601 -10 (-5) J202 -13 Lamp intensity sensor signal (LID) Control panel ...DC power supply PCB The number within parentheses represents the PC400/FC200. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-7 FIgure 3-201A COPYRIGHT © 1998 CANON INC. In addition, a rush current protection circuit is provided to ...
...specified value. J621 -4 Scanning lamp (LA1-LA8) J108-1 +24VU - + Intensity sensor -3 (PD601) J108-2 (-1) Q143 Rush current protection circuit Lamp driver circuit Lamp ON signal (LAPWM) Microprocessor VR604 - + 5V Amplifier circuit J601 -10 (-5) J202 -13 Lamp intensity sensor signal (LID) Control panel ...DC power supply PCB The number within parentheses represents the PC400/FC200. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-7 FIgure 3-201A COPYRIGHT © 1998 CANON INC. In addition, a rush current protection circuit is provided to ...
Service Manual
Page 52
...Controlling the Intensity of the Scanning Lamp (VR604) You must adjust the AE mechanism after adjusting the intensity. (PC420/430/FC220) 3-8 COPYRIGHT © 1998 CANON INC. Current flowing to the lamp decreases. • If the microprocessor finds out that the scanning lamp has remained... on for the PC400/FC200. Operations 1. Output voltage of the intensity sensor PD601 is high. the results are generated to the lamp driver circuit. ...
...Controlling the Intensity of the Scanning Lamp (VR604) You must adjust the AE mechanism after adjusting the intensity. (PC420/430/FC220) 3-8 COPYRIGHT © 1998 CANON INC. Current flowing to the lamp decreases. • If the microprocessor finds out that the scanning lamp has remained... on for the PC400/FC200. Operations 1. Output voltage of the intensity sensor PD601 is high. the results are generated to the lamp driver circuit. ...
Service Manual
Page 113
...CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-1 Fixing heater Scanning lamp HVT assembly +24VR +24VU DC power supply +24VR assembly +5V T106 Main transformer DC controller/DC power supply PCB Figure 7-101A Charging roller Developing cylinder Motor driver... assembly Main motor (M1) DC load Solenoids, etc. POWER SUPPLY A. Outline Power switch (SW604) Door switch Delivery door (SW1) switch (SW2) Microprocessor FU102 +DC5VL Sub power supply Relay RL101 AC driver FU101 Lamp drive +24VU...
...CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7-1 Fixing heater Scanning lamp HVT assembly +24VR +24VU DC power supply +24VR assembly +5V T106 Main transformer DC controller/DC power supply PCB Figure 7-101A Charging roller Developing cylinder Motor driver... assembly Main motor (M1) DC load Solenoids, etc. POWER SUPPLY A. Outline Power switch (SW604) Door switch Delivery door (SW1) switch (SW2) Microprocessor FU102 +DC5VL Sub power supply Relay RL101 AC driver FU101 Lamp drive +24VU...