Oki OKIFAX OF-38 Field Service Manual
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Contents
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NO. ACTION1 Check Fuse 1 OPEN?Check Varistor VAl.Check Line filter Lt. L2, Cl-C5.Check Bridge diode Dl.Check Thermistor THI, TH2.Check Electrolytic Capacitor C6. C7.Check Diode D2, D3.Check Carbon resistor Rl.2 Check Power IC ICl Destroy?Check F. R. Diode D21.Check Metallized film resistor R6.Check Carbon resistor RZ-R5, R7.Check Capacitor C&C12.Check Transformer L3, L4.3 Check Microfuse F21 OPEN?Check Zener diode ZD22.Check Chopper regulator lC21 Destroy?Check Metal plate cement resistor R21.Check Potentiometer VR21.Check Electrolytic Capacitor C22, C24, C25.Check Capacitor C23.Check F. R. Diode D25.Check Inductor L21.4 Check Chopper regulator It22 Destroy?Check Zenerdiode ZD21, ZD23.Check Diode D26a. b, c, d.Check Transistor TR21.Check Metallized film resistor R22.Check Carbon resistor R23, 24, 26, 27.Check Metal plate cement resistor R25.Check Potentiometer VR22, 23.Check Electrolytic Capacitor C26, C27a, b.Check Inductor L23.5 Check F. R. Diode D22, D23.Check 3-terminal regulator IC23.Check Electrolytic Capacitor C28, C29.Check Inductor L24.6 - 2 1 |
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