Motor Control Stage - Sanyo PLC-WTC500AL Service Manual

Chassis Description

Motor control stage

IC301
SYSTEM
CONTROL
<PW392>
LENS_UD
LENS_UD_SW
LENS_LR
LENS_LR_SW
IC2721
LAMP
CONTROL
10 9
245
MIR1_DET
138
MIR2_DET
S16V IC3781
257 1 2
7
MIR_PWM
5
139 6 5
MIR_SW
IC3741 IC3724
SW <TC7WT125>
<TC7W53>
152
FOCUS+_EX
443
FOCUS-_EX
40
ZOOM+_EX
39
ZOOM-_EX
IC6501
SW
<TC7W53>
77
1
LENS_UD_PWM
5
48
LENS_UD_SW
76 1
LENS_LR_PWM
5
50
LENS_LR_SW
IC4801
IC6541
I/O
SW
EXPANDER
<TC7W53>
<TE7783>
62
63
64
65
66
7
F_MOTOR_SW
78
MOTOR_STEP
78
SHUTTER+
IC5201
21
SHUTTER-
FPGA
<XC3S50A>
226
SHUTTER_POSI1
201
SHUTTER_POSI2
STOP UP DOWN
L H H
ANY H L
STOP RIGHT LEFT
L H H
ANY H L
12V_RLY1
12V_RLY2
K8E
S12V_MIR1
S12V_MIR2
18 9
6
IC3721
MIRROR
DRIVE
<BA6920>
3 20 5
1 2 4
FOCUS+
3 4 5
FOCUS-
IC5502
BUFFER
<74LVC14>
13 12 4
ZOOM+
11 10 5
ZOOM-
1 2 18
7
LENS_DOWN
6 3 4 20
IC6551
LENS_UP
INVERTER
<TC74ACT>
13 12 18
7
LENS_LEFT
6 11 10 20
LENS_RIGHT
LENS_SENS_U
LENS_SENS_D
LENS_SENS_R
LENS_SENS_L
LENS_SENS_C
11
1
IC7601
4
STEPPING
7
MOTOR
2
DRIVE
<NJM2671>
5
5
20
IC5701
MOTOR
DRIVE
19 <BA6920>
9
IC5731
4 2
IC5741
4 2
STOP +
FOCUS - H H
FOCUS + H L
STOP +
ZOOM - H H
ZOOM + H L
-81-
CN1
2
CN2
MIRROR
3
4
M
5
6
MIRROR
7
DETECTION &
DRIVE
K8T
FOCUS
1
1
IC5501
M
FOCUS
DRIVE
<BA6287>
7
2
ZOOM
1
3
IC5551
M
ZOOM
DRIVE
<BA6287>
7
4
LENS SHIFT
K8S
UP/DOWN
9
5
IC6531
M
UP/DOWN
DRIVE
<BA6920>
5
4
LENS SHIFT
LEFT/RIGHT
9
3
IC6561
M
LEFT/RIGHT
DRIVE
<BA6920>
5
2
LENS POSITION
SENSOR
12
11
10
9
8
K8P
FILTER
2
M
3
4
5
SHUTTER
K8R
M
2
1
3
5
-
L
H
-
L
H