2.5 Motor Driving Circuit
Part 4: Troubleshooting
4-11
IC5551
FOCUS DRIVE
<BA6287>
IC7801
D/A
<M62392>
IC1805
D/A
<MTC74LCX>
M
FOCUS
1
6,7
11,12
4,5
4,5
7
IC5501
ZOOM DRIVE
<BA6287>
M
ZOOM
1
7
1
2
3
4
1
1
K6U
K6S
2
3
K8S
IC301
SYSTEM
CONTR
OL
<PW
-164B>
PSCL
PSDA
3
147
MAIN BOARD
POWER BOARD
Input
Output
Operation
4
5
7
1
H L
L
H
Forward
drive
L H H L Reverse
drive
H H L L Braking
Mode
L
L Open
Open
Standby
Mode
Logic Table of Drive ICs (IC5501,IC5551)
5
6
3
4
D0-D7
FOCUS+,-
ZOOM+,-
Fig. 4-6
Summary of Contents for D78-5382
Page 2: ...CANON Power Projector LV 5200U D78 5382 LV 5200E D78 5383 SERVICE SMANUAL ...
Page 9: ...Part 1 General Information ...
Page 25: ...Part 2 Repair Information ...
Page 45: ...Part 3 Adjustment ...
Page 65: ...Part 4 Troubleshooting ...
Page 84: ...Part 4 Troubleshooting 4 19 AD9884AKS A D IC8201 AN5870SB RGB SW IC5201 ...
Page 88: ...Part 4 Troubleshooting 4 23 LA7217 Sync Separator IC5361 M62392 D A IC3561 ...
Page 89: ...Part 4 Troubleshooting 4 24 M62393 D A IC281 IC7801 NJM2284M Switch IC2101 ...
Page 91: ...Part 4 Troubleshooting 4 26 VPC3230D Video Decoder IC3101 ...
Page 92: ...Part 5 Parts Catalog ...
Page 94: ......
Page 101: ...45 45 45 45 52 52 a 52 Page 4 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Page 107: ...U 1 U 2 V 1 W X Y Z 1 Page 7 Z 2 CANON REF No LV 5200U D78 5382 LV 5200E D78 5383 ...
Page 111: ...Part 6 Electrical Diagrams ...