Video Controller Pcb - Canon 1000 Service Manual

LED
LED2205
LED2206
LED2207
LED2208
LED2209
LED2210
LED2211
LED2212

2. Video Controller PCB

40
38
39
37
1
3
2
4
COPYRIGHT © 2001 CANON INC.
ON in response to +24 VR.
ON in response to the Y sub scanning enable signal.
ON in response to the M sub scanning enable signal.
ON in response to the C sub scanning enable signal.
On in response to the Bk sub scanning enable signal.
ON in response to the ITOP signal.
ON in response to +24 VU.
ON when 5 V power is present.
Table 7-601
4
2
9
3
J2101
1
J2108
J2109
37
39
38
40
Figure 7-612
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Function
J2107
40
38
1
39
LED2101
37
VR2103 VR2102
VR2101
VR2104
J2106
37
1
3 39
2 38
40
4
4
LED2102
2
3
1
LED2103
LED2104
LED2105
LED2106
LED2107
LED2108
LED2109
7-171