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KX-MB1520FX7/KX-MB1520FX8/KX-MB1520FXW/KX-MB1530FX7/KX-MB1530FXW
6.7.3.
Scanner motor drive circuit (KX-MB1530)
1. General
Scanner motor drive circuit consists of "Motor driver", "Motor current control circuit", and "O.C.P (Over Current Protection) cir-
cuit".
Scanner motor represents FB (Flatbed) motor and ADF (Auto document Feeder) motor.
FB motor feeds CIS unit in FB scan, FB copy, and FB FAX mode.
A one step rotation of this motor feeds CIS unit 0.021mm.
ADF motor feeds documents in ADF scan, ADF copy, and ADF FAX mode.
A one step rotation of this motor feeds documents 0.042mm.
2. Block Diagram of Scanner motor Drive circuit
6.7.3.1.
Motor driver
IC502 is the motor driver AN44071A.
This motor driver can drive both FB and ADF motors with 1 chip, and can supply up to 1.7A/phase and support up to 2W1-2
phase excitation.
When "CRMEN" signal (IC502_pin40) becomes "H", FB block of motor driver is activated, and motor currents are supplied from
IC502_pin24, pin28, pin29 and pin33 to drive the FB motor coils.
When "ADFMEN" signal (IC502_pin45) becomes "H", ADF block of motor driver is activated, and motor currents are supplied
from IC502_pin1, pin5, pin52 and pin56 to drive the ADF motor coils.
FB motor excitation mode is selected by the logic level of "ST1AB", "ST2AB" and "ST3AB" (IC502_pin35-pin37).
ADF motor excitation mode is selected by the logic level of "ST1CD", "ST2CD" and "ST3CD" (IC502_pin50-pin48).
The relation between motor excitation mode and logic level of "ENABLEAB"/"ENABLECD", "ST1AB"/"ST1CD", "ST2AB"/
"ST2CD"and "ST3AB"/"ST3CD" are shown in below table.
Summary of Contents for KX-MB1520FX7
Page 52: ...52 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 6 10 3 5 Waveform ...
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Page 100: ...100 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 10 1 2 Button Code Table ...
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Page 141: ...141 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 12 3 8 3 Skew ...
Page 147: ...147 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 12 3 9 2 Skew ADF ...
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Page 175: ...175 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW Toner detection flow ...
Page 188: ...188 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 2 CHG 3 TRA ...
Page 189: ...189 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 4 DEV DC ...
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Page 191: ...191 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 6 TRA ...
Page 218: ...218 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 14 10 How to Remove LVPS ...
Page 236: ...236 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 14 24 7 Fuser section ...
Page 255: ...255 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW 15 6 1 NG Example ...
Page 258: ...258 KX MB1520FX7 KX MB1520FX8 KX MB1520FXW KX MB1530FX7 KX MB1530FXW Memo ...
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