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SERVICE MANUAL
VL-WD255U
SERVICE MANUAL
S41R8VL-WD255
LIQUID CRYSTAL DIGITAL CAMCORDER NTSC
LIQUID CRYSTAL DIGITAL CAMCORDER
In this Service Manual, only the differences from VL-WD250U/WD450U
(SY0N4VL-WD250) are described.
Therefore, for the parts which are not described in this Service Manual, refer
to the Service Manual for VL-WD250U/WD450U (SY0N4VL-WD250).
NTSC
MODEL VL-WD255U
2. SPECIFICATIONS.............................................................................................................................. 2
3. PART NAMES .................................................................................................................................... 3
10.ADJUSTING THE ELECTRICAL CIRCUITS...................................................................................... 3
14.SCHEMATIC DIAGRAMS .................................................................................................................. 4
15.SEMICONDUCTOR LEAD IDENTIFICATION ................................................................................. 18
16.PRINTED WIRING BOARD ASSEMBLIES...................................................................................... 19
17.REPLACEMENT PARTS LIST ......................................................................................................... 21
18.PACKING OF THE SET ................................................................................................................... 26
MODEL
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
CONTENTS
VL-WD255U
Page
SHARP CORPORATION
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
1
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VL-WD255U
2. SPECIFICATIONS
Recording/Playback Time: 90 minutes (DVM60, LP mode)
Lens Filter Diameter: 37 mm
Color Temperature Compensation: Auto white balance with white balance lock
Minimum Illumination: 1 lux (9 lux measured by EIA standard)(with gain-up, F1.6)
Still Image Compression
System/Recording Format: JPEG base line conformance/JPEG (Exif2.1)
Still Image Recording Medium: 3.3V type SmartMediaTM card (SSFDC)
Power Requirement: DC 7.4 V
Power Consumption: 4.0 W (during camera recording using the viewfinder in Full Auto mode with zoom
Operating Temperature: 32°F to 104°F (0°C to +40°C)
Operating Humidity: 30% to 80%
Storage Temperature: –4°F to 140°F (–20°C to +60°C)
Dimensions (approx.): 3 11/16" (W) × 4 21/32" (H) × 7 11/32" (D)
Signal System: NTSC standard
Recording System: 2 rotary heads, helical scanning system
Cassette: Digital VCR Mini DV video cassette
Tape Speed: SP mode: 18.812 mm/second
LP mode: 12.555 mm/second
Pickup Device:1/4" (6.4 mm, effective size: 4.5 mm) CCD image sensor
(with approx. 460,000 pixels including optical black)
Lens: 26 × optical/780 × digital power zoom lens (F1.6, f=3.5-91.0 mm), full-range auto
focus
Viewfinder: Electronic LCD color viewfinder
Monitor: 2.5" (6.3 cm) full-color LCD screen (TFT active matrix)
Microphone: Electret stereo microphone
motor off)
4.8 W (during camera recording using the LCD monitor in Full Auto mode with
zoom motor off and backlight in normal mode)
[93.7 mm (W) × 118 mm (H) × 186.5 mm (D)]
Weight (approx.): 1.58 lbs (715 g)
(without battery pack, lithium battery, video cassette and lens cap)
AC Adapter/Battery Charger
(UADP-0321TAZZ)
Power Requirement: AC 110-240 V, 50/60 Hz
DC Output: 7.3 V
Power Consumption: 23 W
Dimensions (approx.): 2 23/32" (W) × 1 11/16" (H) × 4 7/16" (D)
[69 mm (W) × 43 mm (H) × 113 mm (D)]
Weight (approx.): 0.35 lbs (160 g)
SmartMediaTM Card (Commercially Available)
Memory Capacity: 8 MB
Memory Type: NAND flash EEP-ROM
Power Requirement: 3.3 V
Operating Temperature: 32°F to 104°F (0°C to +40°C)
Storage Temperature: –4°F to 149°F (–20°C to +60°C)
Specifications are subject to change without notice.
SERVICE INFORMATION (For the U.S.)
For the location of the nearest Sharp Authorized Service, or to obtain product literature, accessories,
supplies or customer assistance, please call 1-800-BE SHARP (1-800-237-4277) or visit SHARP's
website (http://www.sharp-usa.com)
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3. PART NAMES
For details on the use of each control.
VL-WD255U
Left view
W/B (White Balance) button
CAT'S EYE switch
Lens hood
Zoom lens
Remote sensor
Stereo microphone
GAMMA/BRIGHTER button
AUTO ON/OFF button
Operation button
MENU/DISPLAY button
Media Selection switch (TAPE/CARD
selection switch)
Left view
LCD monitor
LCD monitor
OPEN release
button
Bottom view
Viewfinder
Zoom microphone
mounting hole
Diopter adjustment
Power source
PUSH release
button
Power source
mounting surface
Lithium battery
compartment door
Card slot cover Tripod socket
Hand strap
Right view
S-VIDEO socket
VIDEO jack
AUDIO L jack
AUDIO R jack
STILL button
Jack cover
Power Zoom Wide angle/
Telephoto control/
VOLume control
Power switch (CAMERA/VCR
select switch)
RECord START/STOP button
10. ADJUSTING THE ELECTRICAL CIRCUITS
[Making adjustments]
Adjusting the servo system controller and related parts
1. Setting the system codes
Replacement of IC703 E2PROM requires the following data to be set in this order.
Cassette compartment door
Cassette compartment door release
PC connection
jack
DV terminal
EarPHONES
jack
Jack cover
Speaker
[Procedure]
Set the unit to the VCR mode and set the data for each address.
Code
Address 01 09 02 0A 03 0B 04 0C 05 0D 07 0F
Data
1. Model code 2. Destination code 3. Specification code 4. Menu selection code 5. Software switching code 6. Calender switching
04 FB
01 FE 14 EB 00 FF 00 FF 01 FE
3
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VL-WD255U
14. SCHEMATIC DIAGRAMS 14-1. OVERALL SCHEMATIC DIAGRAM
J
I
H
G
F
E
D
C
B
A
1234567891011 12 13 14 15 16 17 18 19 20
4–5
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VL-WD255U
14-2. MEC/SYS_MICON SCHEMATIC DIAGRAM
J
I
H
G
F
E
D
C
B
A
1234567891011 12 13 14 15 16 17 18 19 20
6~7
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VL-WD255U
14-3. POWER1 SCHEMATIC DIAGRAM
J
I
H
G
F
E
D
C
B
A
1234567891011 12 13 14 15 16 17 18 19 20
8~9
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VL-WD255U
14-4. CAM/CARD MICON SCHEMATIC DIAGRAM
J
I
H
G
F
E
D
C
B
A
1234567891011 12 13 14 15 16 17 18 19 20
10~11