FS-1030D Service Manual - kyocera
FS-1030D Service Manual - kyocera
FS-1030D Service Manual - kyocera
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2G6<br />
Code Error indications Contents<br />
4200 Laser scanner unit [Pin photo diode] error<br />
Check procedures/corrective measures<br />
START<br />
+5 V DC at pin 6 of<br />
YC07 on main PWB<br />
(K0011) ?<br />
No<br />
Yes<br />
Connect oscilloscope to<br />
pin 4 (OUTPEN) of<br />
YC07 on main PWB<br />
(K0011).<br />
Turn power switch off,<br />
then on.<br />
Does<br />
pin 4 (OUTPEN) of<br />
YC06 on main PWB<br />
(K0011) goes high, then<br />
low before "4200"<br />
error?<br />
Yes<br />
Connect oscilloscope to<br />
pin 4 (OUTPEN) and<br />
pin 8 (PDN) of YC07 on<br />
main PWB (K0011).<br />
Turn power switch off,<br />
then on.<br />
Replace main PWB<br />
(K0011). See page 1-6-<br />
10.<br />
No<br />
Replace main PWB<br />
(K0011). See page 1-6-<br />
10.<br />
Turn power switch on.<br />
OK?<br />
End.<br />
Yes<br />
No<br />
Does pin 8<br />
(PDN) of YC06 on<br />
main PWB (K0011) output pulse<br />
signal*, within 0.1 second after<br />
pin 4 (OUTPEN) goes<br />
high, then<br />
*: Pin photo diode low?<br />
detect horizontal<br />
No<br />
synchronization signal<br />
(Frequency: 1417 Hz,<br />
Low level width: 10 ms)<br />
(B)<br />
Continued<br />
to next page.<br />
Yes<br />
Replace engine PWB<br />
(K0010). See page 1-6-<br />
9.<br />
Turn power switch on.<br />
(C)<br />
Continued<br />
to next page.<br />
OK?<br />
End.<br />
Yes<br />
No<br />
Replace harness<br />
(2FM2602) between main<br />
PWB and engine PWB.<br />
1-5-6
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