Sharp E630U User manual

VL-E630U/T

VL-E680U

VL-E685U/T

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

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

originalconditionandonlypartsidenticaltothosespecified

be used.

Page

2. SPECIFICATIONS .............................................................................................................................. 2

4. DISASSEMBLY OF THE SET............................................................................................................. 3

5. MECHANISM ADJUSTMENT ............................................................................................................. 4

6. ADJUSTMENT OF VCR...................................................................................................................... 5

8. SCHEMATIC DIAGRAMS .................................................................................................................. 8

11.REPLACEMENT PARTS LIST.......................................................................................................... 29

12.PACKING OF THE SET .................................................................................................................... 35

SY8A5VL-E630U

CONTENTS

MODELS

SERVICE MANUAL

LIQUID CRYSTAL CAMCORDER 8 NTSC

VL-E630U/T

VL-E680U

VL-E685U/T

In this Service Manual, only the differences from VL-E610U/660U/665U

(S28L7VL-E610U) are described.

Therefore, for the parts which are not described in this Service Manual, refer

to the Service Manual for VL-E610U/660U/665U (S28L7VL-E610U) and its

supplement version (S38N9VL-E610U).

This document has been published to be used for

after sales service only.

Thecontentsaresubjecttochangewithoutnotice.

SHARP CORPORATION

VL-E630U/T

VL-E680U

VL-E685U/T

8MODELS VL-E630U/T/E680U/E685U/TLIQUID CRYSTAL CAMCORDER NTSC

SERVICE MANUAL

VL-E630U/T

VL-E680U

VL-E685U/T

Signal System: NTSC standard

Recording System: 2 rotary heads, helical scanning system

Cassette: 8 mm video tape, MP type

Recording/Playback Time: 120 minutes (P6-120)

Tape Speed: 14.345 mm/second

Pickup Device: 1/4" (6.4mm, effective size: 4.5 mm) CCD image sensor with approx.

270,000 pixels including optical black

Lens: 16 ×power zoom lens (F1.4, f=4.0-64.0 mm) and full-range auto focus

Lens Filter Diameter: 46 mm

Monitor: 3" (7.5 cm)—full-color LCD screen (TFT active matrix)

Microphone: Electret monaural microphone

Color Temperature Compensation: Auto white balance

Minimum Illumination: 0.8 lux (5 lux measured by EIA standard) (with gain-up, F1.4)

Video Output Level: 1.0 Vp-p 75-ohm unbalanced

Audio Output Level: –8 dBs, impedance less than 2.2 kohms

Speaker Output: 200 mW

Power Requirement: DC 3.6V

Power Consumption:

E630U:4.8W (during camera recording in full auto mode with zoom

motor off, and backlight in normal mode)

E680U/E685U:4.9W (during camera recording in full auto mode with

zoom motor off, Extend Zoom, DIS and Snapshot functions off, and

backlight in normal mode)

Operating Temperature: 0°C to + 40°C (32°F to 104°F)

Operating Humidity: 30% to 80%

Storage Temperature: –20°C to +60°C (–4°F to 140°F)

Dimensions (approx.): 7 5/32" (W) ×4 9/32" (H) ×3 7/8" (D)

[182 mm (W) ×109 mm (H) ×99 mm (D)]

Weight (approx.): 1.52lbs (690g)

(without battery pack, lithium battery, video cassette, and lens cap)

Battery Pack BT-H22

DC Output: 3.6V

Dimensions (approx.): 2 1/8" (W) ×3/4" (H) ×2 7/32" (D)

[54 mm (W) ×19 mm (H) ×

56 mm (D)]

Weight (approx.): 0.30 lbs (136 g)

AC Adapter/Battery Charger

UADP-0274TAZZ(VL-E630U/680U/685U)

UADP-0275TAZZ(VL-E630T/685T)

Power Requirement: AC 110-240 V, 50/60 Hz

DC Output: 4.5 V

Power Consumption: 16 W

Dimensions (approx.): 2 31/32" (W) ×2" (H) ×5 5/16" (D)

[75 mm (W) ×51 mm (H) ×

135 mm (D)]

Weight (approx.): 0.65 lbs (295 g)

2. SPECIFICATIONS

Specifications are subject to change without notice.

*Minimum illumination: Since there is no widely accepted testing procedure for determining minimum illumina-

tion capability, lux ratings are comparable only between models from the same

manufacturer.

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

web site (http://www.sharp-usa.com)

VL-E630U/T

VL-E680U

VL-E685U/T

4. DISASSEMBLY OFTHE SET

4-2. Disassembly of the VCR main body

1. Removal of the VCR lid shaft

(1)Remove one screw ((j)LX-HZ0063TAFC).

Area A

(j)

4-3. REPLACEMENT OF CCD SENSOR

4-3-1. BEFORE REPLACEMENT

1) The CCD image sensor is more sensitive to electrostatic breakage than C-MOS LSI. Therefore sufficient means to

prevent electrostatic damage must be taken when it is replaced.

•Ground the soldering iron.

•Ground also the human body, using the wrist strap(through an 1 Mohm resistor).

•Until the CCDsensor is mounted on the PWB, fit it to the conductive sponge, and short-circuit the foot lead.

2) Takeutmost care sothat the surfaceglass of CCD sensorand optical filterare not contaminatedand damaged. If any

contamination is found, for example fingerprint, wipe it off with silicon paper or clean chamois skin.

3) When replacing the CCD sensor, use the antistaic grounded soldring iron, and perform quickly soldering.

JAPAN

SHARP

Index Mark

LZ2413H5

YYWWXXX

14 8

4-4. INITIAL SETTING OF E2PROM IC

4-4-2. IC702 (E2PROM)

When the IC702 has been replaced, make the following settings and adjustments.

1. Remove the backup battery (CR2025)

2. Turn power switch to CAMERA

3. Setting up the V ADJ mode as follows.

* After press the CONTINUE key, press the VCR ADJ key on service remote control (RRMCG0033TASA).

E630U E680U E685U E630T E685T

address data data data data data

03 8D F8 FA 8C FE

0B 72 07 05 73 01

01 00 00 00 00 00

09 FF FF FF FF FF

04 00 00 00 00 00

0C FF FF FF FF FF

02 01 01 01 07 07

0A FE FE FE F8 F8

05 40 40

0D BF BF

4. After setting the above data, clear the V ADJ mode and turn off the power by pull out the battery pack or DC cable.

Neglect about 30 seconds after turned of power, because data of address becomes effective after microcomputer is

reset.

Now the setting of data is completion.

Adjustments to follow

Make the system controller servo, VCR, and LCD adjustments according to their respective instructions.

VL-E630U/T

VL-E680U

VL-E685U/T

5. MECHANISM ADJUSTMENT

5-2. Items and timings of inspection and maintenance

5-2-1. Inspection and maintenance list

Tape travelling route

(Refer to Section)

Drum (Refer to Section)

Remarks

Rollers

• Ifabnormalrotationor

deflection (signifi-

cant)isfound,replace

the roller.

Other than rollers

•Clean the tape con-

tactingareas.Besure

to use the specified

cleaning agent.

Possible symptom

encountered

•Lateral noise

•Unclean head

•Screen shaking

Usage time (hrs.)

500 1,000 1,500 2,000 3,000

Checking/Maintenance point

Tape travel system

•Improper S/N ratio

•No color appears.

Video head

Timing belt

Pinch roller

Capstan D.D. motor

Relay Pulle shaft

Pulle gear shaft

Drive gear shaft

•Tape does not run.

•Tape slackens.

•Screen shakes.

•Abnormal sound •Apply oil.

(Oil: )

•Replace if failure is

found.

★★★

∆∆∆

Driving system

∆∆∆

Loading motor •Replace if failure (ab-

normal sound) is de-

tected.

Abnormal sound

PB/VS-REWtake-uptorque

PB/VS-REW back tension

torque

Tu brake

•Not ejectable

• Thespecificmodecan-

not be set.

• If conformance to the

standard is not en-

sured, replace part.

★★★★★

★★★

Performance check

Note:

After oil is applied to

the drive gear shaft,

slightly wipe it off with

swab.

HC (Head Cleaner)

Oil:

Grease: MORYCOAT YM-103/X5-6020

Screw locking agent: THERE BOND 1401B

Cleaning liquid: Industrial-use ethyl alcohol

: Replace.

: Clean. ∆: Apply oil.

★: Check.

5-4. ADJUSTMENT OF MECHANISM TAPE TRAVEL SYSTEM

5-4-3. Adjusting the Si roller height

(2)Adjusting the Si roller

1 Playback the tape such to set the V/SR mode.

VL-E630U/T

VL-E680U

VL-E685U/T

6. ADJUSTMENT OF VCR

6-1. ADJUSTMENT OF VCR SECTION

6-1-5. Y/C circuit adjustment method

5. Adjustment of Y-FM deviation

Measuring instrument

Oscilloscope

Mode REC/PB (self-playback/recording)

Input signal Color bar

Measuring point TL801

Adjustment address 34

Adjustment level 500 ±20 mVp-p

500±20mVp-p

3. Adjustment of playback Y level

Measuring instrument Oscilloscope

Mode PB

Playback signal Color bar (JiGWR5-5NSP)

Measuring point TL801

Adjustment address 27

Adjustment level 500 ±20 mVp-p

500±20mVp-p

Measuring point LCD panel display surface

Address 11, 12

Mode VCR AV input

Adjusting method Set the data of address 11 and 12.

Adjustment standard

11=BD

12=8E

Remarks ———————

6-1-7. Adjustment of LCD display circuit

9. Inverter input voltage setting

6-2. ADJUSTMENT OF CAMERA SECTION

• Connections for Camera Section Servicing

20pin SC2 19pin

SC6

20pin

SC4

CCD PWB

19pin

LENS SC3

15pin

17pin

Connect FPC

between the

camera and

the VCR.

SC2 19 pin

SC3 15 pin

SC4 17 pin

SC6 20 pin

QPWBH2814TAZZ

QPWBH2815TAZZ

VL-E630U/T

VL-E680U

VL-E685U/T

★Preparation for 6-2-2-3~6-2-2-9; set up the camera signal adjustment mode. (Write 00 to the address 1FE.)

6-2-2-3.

Before starting these adjustments, set up the auto focus adjust.

•Sync level adjustment

Measuring instrument

Oscilloscope

Subject Anything

Tape —

Test point

VIDEO OUT (Terminated in 75Ω)

Adjustment address 1FE

Adjustment level 286mVp-p

1) ConnecttheoscilloscopetotheVIDEO-OUT.Adjustthe

sync level to 286mVp-p.

Video

SYNC

286mVp-p

6-2-2-9.

•Auto white balance adjustment

Measuring instrument

Subject Gray scale

Tape —

Test point

VIDEO OUT (Terminated in 75 Ω)

Adjustment address R-OUT DOOR 016

B-OUT DOOR 018

Adjustment level R-OUT DOOR; 0 ±3 %

B-OUT DOOR; 0 ±3 %

Vector scope

1) Attach the color temperature conversion filter (JIGHOYA-LB165) to the front of the lens.

2) Using the addresses R-OUT DOOR 016 and B-OUT DOOR 018, adjust the spot to the center.

3) Take off the color temperature conversion filter.

★Write FF to the address 1FE to the address 1FE to exit the camera adjustment mode.

Center point

Spot

R-Y

B-Y

VL-E630U/T

VL-E680U

VL-E685U/T

- M E M O -

VL-E630U/T

VL-E680U

VL-E685U/T

VL-E630U/T

VL-E680U

VL-E685U/T

1234567891011 12 13 14 15 16 17 18 19 20

8~11

å

åAND SHADED COMPONENTS=SAFETY RELATED PARTS

8. SCHEMATIC DIAGRAM

8-2. POWER CIRCUIT SCHEMATIC DIAGRAM

1234567

VL-E630U/T

VL-E680U

VL-E685U/T

8-3. AUDIO CIRCUIT SCHEMATIC DIAGRAM

78910111213

VL-E630U/T

VL-E680U

VL-E685U/T

1234567

8-4. MOTOR DRIVER SCHEMATIC DIAGRAM

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