Sharp ViewCam VL-WD255U User manual

VL-WD255U

In the interests of user-safety (Required by safety regula-

tions in some countries) the set should be restored to its

originalconditionandonlypartsidenticaltothosespecified

be used.

S41R8VL-WD255

LIQUID CRYSTAL DIGITAL CAMCORDER NTSC

SERVICE MANUAL

Page

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

CONTENTS

MODEL

This document has been published to be used for

after sales service only.

Thecontentsaresubjecttochangewithout notice.

SHARP CORPORATION

VL-WD255U

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).

SERVICE MANUAL LIQUID CRYSTAL DIGITAL CAMCORDER NTSC MODEL VL-WD255U

VL-WD255U

Signal System: NTSC standard

Recording System: 2 rotary heads, helical scanning system

Cassette: Digital VCR Mini DV video cassette

Recording/Playback Time: 90 minutes (DVM60, LP mode)

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

Lens Filter Diameter: 37 mm

Viewfinder: Electronic LCD color viewfinder

Monitor: 2.5" (6.3 cm) full-color LCD screen (TFT active matrix)

Microphone: Electret stereo microphone

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: 4.0W(duringcamerarecordingusingtheviewfinderinFullAutomodewithzoom

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)

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)

[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)

2. SPECIFICATIONS

SERVICE INFORMATION (For the U.S.)

ForthelocationofthenearestSharpAuthorizedService,ortoobtainproductliterature,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)

Specifications are subject to change without notice.

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)

VL-WD255U

3. PART NAMES

For details on the use of each control.

10. ADJUSTINGTHE 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.

[Procedure]

Set the unit to the VCR mode and set the data for each address.

Code

1. Model code 2. Destination code 3. Specification code 4. Menu selection code 5. Software switching code 6. Calender switching

Address 01 09 02 0A 03 0B 04 0C 05 0D 07 0F

Data

04 FB

01 FE 14 EB 00 FF 00 FF 01 FE

Media Selection switch (TAPE/CARD

selection switch)

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

Bottom view

Card slot cover Tripod socket

Right view

S-VIDEO socket

VIDEO jack

AUDIO L jack

AUDIO R jack

STILL button

Power Zoom Wide angle/

Telephoto control/

VOLume control

Jack cover RECord START/STOP button

Power switch (CAMERA/VCR

select switch)

Cassette compartment door

Cassette compartment door release

PC connection

jack

DV terminal

EarPHONES

jack

Jack cover

Speaker

Hand strap

Power source

mounting surface

Left view

Zoom microphone

mounting hole

LCD monitor

OPEN release

button

Lithium battery

compartment door

Viewfinder

Diopter adjustment

Power source

PUSH release

button

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

4–5

14. SCHEMATIC DIAGRAMS 14-1. OVERALL SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

6~7

14-2. MEC/SYS_MICON SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

8~9

14-3. POWER1 SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

10~11

14-4. CAM/CARD MICON SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

12~13

14-5. MIC AMP SCHEMATIC DIAGRAM

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

14-6. POWER SCHEMATIC DIAGRAM åAND SHADED COMPONENTS=SAFETY RELATED PARTS

14~15

1234567891011 12 13 14 15 16 17 18 19 20

VL-WD255U

16~17

14-7. JOINT SCHEMATIC DIAGRAM

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