Canon Vizcam 1000, Service Manual

Page: 607 / 840

COPYRIGHT © 2001 CANON INC. CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
7-171
7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
LED
LED2205
LED2206
LED2207
LED2208
LED2209
LED2210
LED2211
LED2212
2. Video Controller PCB
Function
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
Figure 7-612
50 49
100
99
2 1 52 51
LED2106 LED2102
LED2101
LED2107 LED2103
LED2108 LED2104
LED2109 LED2105
J2111
6
1
J2102
71
J2103
1
6
J2104
1
7
J2105
1
3
2
4
37
39
38
40
J2106
40
38
39
37
4
2
3
1
J2107
9 1
40
38
39
37
4
2
3
1
J2101
J2108
1
3
2
4
37
39
38
40
J2109
B30 B29 A30 A29
B2 B1 A2 A1
J2110
VR2104
VR2101
VR2102 VR2103