FS-1030D Service Manual - kyocera
FS-1030D Service Manual - kyocera
FS-1030D Service Manual - kyocera
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(1) Eraser lamp control circuit<br />
The CPU (U1) turns pin #23 (ERASER) of U1 to H level, transistors (Q14) turns on consequently, and the 24 V DC given at<br />
pin #1 of connector YC5 applies to the eraser lamps. The eraser lamps thus illuminate as the current flows through the<br />
resistors (R109, R110, and R111), eraser lamp, the pin #2 of connector YC5, transistor Q14 and the ground.<br />
2G6<br />
Engine PWB<br />
Eraser lamp control circuit<br />
CPU<br />
U1<br />
P25/ASCK0 23<br />
ERASER<br />
2<br />
3<br />
1<br />
+24V3<br />
Q14<br />
R69 R70 R71<br />
PGND<br />
1<br />
2<br />
3<br />
Eraser lamp<br />
YC14<br />
ERASPW<br />
ERASER<br />
GND<br />
Figure 2-3-3 Eraser lamp control circuit<br />
2-3-3
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