Eiki LC-XT6, Service Manual

Page: 174 / 286

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Troubleshooting
K65A K65Q
K65N
K65P
3
4
1
2
3
1
3
1
1
3
5
1
3
5
LENS_SENSE_D
LENS_SENSE_VC
LENS_SENS_HC
M
IC1801
I/O
EXPANDER
<TE7783>
IC301
SCALER
<IP00C811>
IC3401
Ye&COLOR
MANAGE-
MENT
<EP3C80F484>
IC5531
FOCUS
DRIVE
<LB1645N>
6
2
10
5
6
2
10
5
IC5551
ZOOM
DRIVE
<LB1645N>
ZOOM
FOCUS
M
K57A
K65E
K65L
4
6
2
1
SHUTTER
MOTOR
MAIN
M
5 2
10 6
IC6501
UP/DOWN
DRIVE
<LB1645N>
LENS SHIFT
UP/DOWN
M
5 2
3
2
6
4
5
7
10 6
IC6502
LEFT/RIGHT
DRIVE
<LB1645N>
LENS SHIFT
LEFT/RIGHT
M
FOCUS+
FOCUS-
ZOOM+
ZOOM-
99
100
LENS_DOWN
LENS_UP
LENS_LEFT
LENS_RIGHT
98
97
90
89
85
86
LENS POSITION
SENSOR
306
SHUTTER_SW1
399
305
354
10
2
IC6551
MOTOR
DRIVE
<LB1645N>
5
6
SHUTTER_SW2
POSITION_DET1
POSITION_DET2
IC3411
LENS_SENSE_L
LENS_SENSE_R
LENS_SENSE_U
10
11
12
13
6
7
8
9
1
2
17
15
16
25
18
K8E
10
11
12
13
6
7
8
9
1
2
17
15
16
25
18
19 19
24 24
22 22
Motor control system
- Motor Drive Status
MODE/PIN
IC5531/IC5551/IC6501/IC6502/IC6551
5
(IN1)
6
(IN2)
2
(OUT1)
10
(OUT2)
Forward H L H L
Reverse L H L H
BRAKE L L L L
Check the focus and zoom
drive signals referring to
the logic table below.
Check the lens shift drive
signals referring to the
logic table below.
When the lens position
sensor switch is on, the
sensor signal becomes L.
POSITION_
DET1
POSITION_
DET2
Status
L H Shutter close
H L Shutter open
H / L H / L Error
- Shutter Status and Error Detection