A SERVICE OF

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Chassis Block Diagrams
IC5501
FOCUS DRIVE
<BA6287>
M
FOCUS
1
4,5 4,5
4,5
2
3
18,20
4,5
6,7
9,10
11,12
7
IC5531
ZOOM DRIVE
<BA6287>
M
ZOOM
1
7
IC5561
LENS SHIFT DRIVE
<BA6920>
M
LENS SHIFT
9
5
IC6501
BRIGHT DRIVE
<BA6287>
M
BRIGHT
1
7
IC5581
I/O EXPANDER (MOTER DIRIVE)
<M62320>
1
2
3
4
1
2
1
2
K55F
K55G
5
4
K55B
5
4
K8G
K55E
IC801
CPU
IICSCL
IICSDA
29
30
MAIN BOARD AUDIO 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,IC5531, IC6501)
Input Output Operation
18 20 5 9
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 (IC5561)
Motor driving circuit