Lens Drive Block Diagram - Sharp VL-H870U Service Manual

VL-H870U
VL-H875U
VL-H890U
7-1. CAMERA SECTION BLOCK DIAGRAM
IC1
CCD 14
SENSER
Lens
ø V
ø H
IC11
V-DRIVER
H V
IC12
TG
27
33 32
FSX FCX

7-2. LENS DRIVE BLOCK DIAGRAM

ZOOM LENS MASTER LENS
Master
Lens
POSI
FOCUS
MOTOR
M
ZOOM
LENS
POSI
ZOOM
MOTOR
M
43
DIS
IC501
Camera µ-CON
IC151
1
IC101
A/D
5
21 CDS
39
4
8
22 AGC
17 18
12
22
IC1
CCD SENSER
IC101
IC151
CDS
A/D
AGC
IRIS
IC553
METER
4.9V OP-AMP
M
(DRIVE (+)) 7
IC552
OP-AMP
(HALL IN (+))
H 14
(HALL IN (–))
13
Device
IC551 LENS DRIVER
(FO2-)
55
(FO2+) FOCUS MOTOR
54
DRIVE
(FO1+)
52
(FO1-)
51
(Z01)
16
(Z01) 17
ZOOM MOTOR
DRIVE
(Z02) 19
(Z02) 20
79 80
DATA/ADRS
28
CK
R/W
39
N
CS
~
100 112
XPADDA
R/W
CK
11
CS
A/DIN
20
21 A/DCK
100 28 DATA
IC201
DSP
107
35
61
(PHIRF)
(HALL OFFSET)
6
(IRIS OFFSET)
(IRIS L
(IRIS H
3
8
2 (FD1)
(FD4)
5
(FD3)
4
(FD2)
3
1 (FM CTL)
(FMCE)
46
(ZD1)
13
11 (ZD3)
(ZDCLK)
9
(ZMCE)
25
7-2
IC201
CAM-Y
45
DSP
CAM-C
38
MCKI
30
Camera µ-CON
IC501
FOCUS CONTROL
IRIS CONTROL
1 2 23 61 13 14 15 12
FD FD FD FD
2 3 4
17 16 15
3
IC502
2
D/A
)
19
) 18
(PHIRZ)
VL-H870U
VL-H875U
VL-H890U
SYS TO CAM
CAM TO SYS
VCR
LCD
PWB
ZOOM CONTROL
4 20 60 16 5 18 21
ZD ZD ZD ZM
FM FM
1 CLK 3 CE
1 CTL CE