Motor Control Problems - Panasonic PT-EX600U Service Manual

Troubleshooting

Motor control problems

152
FOCUS+
39
FOCUS-
40
443
IC5201
EXPANDER
<XC3S50A>
IC301
SYSTEM
CONTROL
<PW392>
178
LENS_CH_POSI_EX
19
LENS_L_POSI_EX
134
LENS_R_POSI_EX
241
340
67
33
342
147
STOP
LENS_D_PWM L
LENS_U_PWM ANY
STOP
LENS_L_PWM L
LENS_R_PWM ANY
ZOOM+
ZOOM-
IC6551
SW
<TC74ACT14FT>
137 2
LENS_D_PWM
IC6552
SW
<TC74ACT14FT>
2
138
LENS_U_PWM
IC6553
SW
<TC74ACT14FT>
I/O
139 2
LENS_L_PWM
IC6554
SW
<TC74ACT14FT>
2
89
LENS_R_PWM
LENS_BOT_EX
LENS_TOP_EX
LENS_CV_EX
118
SHUTTER_SW+
IC5201
119
SHUTTER_SW-
FPGA
<XC3S50A>
67
SHUTTER_POSI1
8
SHUTTER_POSI2
53 54
2
IRIS_STB
7
IRIS_CW
14
IRIS_RST
19
IRIS_EN
20
IRIS_CK
UP DOWN
H H FOCUS -
H L FOCUS +
RIGHT LEFT
H H ZOOM -
H L ZOOM +
FOCUS+_EX
FOCUS-_EX
ZOOM+_EX
ZOOM-_EX
4
LENS_DOWN
4
LENS_UP
4
LENS_LEFT
4
LENS_RIGHT
4
IC5561
MOTOR
DRIVE
5 <BA6287>
4 2
4 2
11
13
IC601
IRIS CONTROL
10
<TB6608FNGP>
8
STOP +
H H
H L
STOP +
H H
H L
-90-
K8M
FOCUS
5 1
M
1
IC5501
FOCUS
DRIVE
<BA6287>
4 7
2
ZOOM
5 1
M
3
IC5521
ZOOM
DRIVE
<BA6287>
4 7
4
LENS SHIFT
K8L
UP/DOWN
18 9
M
IC6502 5
UP/DOWN
DRIVE
<BA6920>
20 5
4
LENS SHIFT
LEFT/RIGHT
18 9
M
3
IC6521
LEFT/RIGHT
DRIVE
<BA6920>
20 5
2
LENS POSITION
SENSOR
8
9
10
11
12
13
SHUTTER
K8P
1
M
1
7
2
IC5551
3
IC5552
5
K8
A-
1
A
2
B
3
B-
4
-
L
H
-
L
H
IRIS