SHARP VL-SW50, VL-SW50U Service Manual

SHARP SERVICE MANUAL

S58P5VL-SWSOU

LIQUID CRYSTAL CAMCORDER q NTSC

MODEL vL-sw5ou

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.

VL-swsou

Page

IMPORTANT SERVICE NOTES

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

PART NAMES AND FUNCTION

DISASSEMBLY OF THE SET

MECHANISM ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~..........................

ADJUSTMENT OF VCR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYSTEM BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 .

SEMICONDUCTOR LEAD IDENTIFICATION

lO.PRINTED WIRING BOARD ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~.................. 10-l

11 .REPLACEMENT PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~......... 11-l

12,PACKING OF THE SET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13.AC ADAPTER

SHARP CORPORATlON

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .......

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..*............ l-l

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..~.....................

This document has been published to be used for after sales service only. The contents are subject to change without notice.

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7-l

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1. IMPORTANT SERVICE NOTES

BEFORE RETURNING THE VIDEO CAMERA RECORDER

Before returning the video camera recorder to the user, perform the following safety checks.

1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the video camera recorder.

2. Inspect all protective devices such as non-metallic control knobs, insulating materials, cabinet backs, adjustment and compartment covers or shields, isolation resistor/capacitor networks, mechanical insulators etc.

3. To be sure that no shock hazard exists, check for

leakage current in the following manner.

. Plug the AC line cord directly into a 120 volt AC outlet

(Do not use an isolation transformer for this test).

l Using two clip leads, connect a Kkohm, 10 watt resistor

paralleled by a 0.15pF capacitor in series with all exposed metal cabinet parts and a known ground, such as a water pipe or conduit.

. Use aVTVM or VOM with 1000 ohm pervolt, or higher

sensitivity or measure the AC voltage drop across the

resisor (See Diagram).

. Move the resistor connection to all exposed metal

parts having a return path to the chassis (antenna

connections, metal cabinet, screw heads, knobs and control shafts, etc.) and measure the AC voltage drop across the resistor. Reverse the AC plug (a non

polarized adaptor plug must be used but only for the purpose of completing these checks) on the set and repeat the AC voltage measurements for each exposed metallic part. Any reading of 0.45V rms (this corresponds to 0.3mA rms AC.) or more is excessive and indicates a potential shock hazard which must be corrected before returning the video camera recorder to the user.

TO EXP METAL

CONNECT TO KNOWN EARTH GROUND

1. NOTES DE S RVICE IMPORTAhlTES

AVANT DE RENDRE LE MAGNETOSCOPE

Avant de rendre le magnetoscope a I’utilisateur, effectuer

les verifications de securite suivantes.

1. Verifier toutes les gaines de fil pour etre sur que les fils ne sont pas pin&s ou que le materiel n’est pas coin& entre le chassis et les autres pieces metalliques dans le magnetoscope.

2. Verifier tous les dispositifs de protection tels que les boutons de commande non metalliques, les materiaux d’isolement, le dos du coffret, les couvercles de compartiment et ajustement ou les boucliers, les

reseaux de resistance / condensateur d’isolement, les isolateurs mecaniques, etc.

3. Pour etre sur qu’il n’y aaucun risque de choc electrique, verifier le courant de fuite de la maniere suivante.

. Brancher lecordon d’alimentation secteurdirectement

dans une prise de courant de 120 volts. (Ne pas

utiliser de transformateur d’isolement pour cet essai).

. Utiliser deux fils a pinces et connecter une resistance

de IO watts I,5 kohm en parallele avec un condensateur de 0,15 I_LF en serie avec des pieces du coffret metallique exposees et une masse de terre connue telle qu’un tuyau ou un conduit d’eau.

. Utiliser un VTVM ou VOM avec une sensibilite de

1000 ohms par volt ou plus ou mesurer la chute de

tension CA entre la resistance (voir diagramme).

. Deposer la connexion de la resistance a toutes les

pieces metalliques exposees ayant un parcours de

retour au chassis (connexions d’antenne, coffret metallique, t&es devis, boutons et arbres decommande, etc.) et mesurer lachute de tension CAentre la resistance. Inverserlafiche CA (unefiche intermediaire non polarisee doit etre utiliseeaseulefin defairecesverifications.) sur I’appareil et repeter les mesures de tension CA pour chaque piece metallique exposee. Toute lecture de 0,45 V rms (ceci correspond a 0,3 mA rms CA) ou plus est excessive et signale un danger de choc qui doit etre corrige avant de rendre le magnetoscope a son utilisateur.

VERS PIECES METALLIQUES

1-l

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WARNING :TO REDUCETHE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE

THIS APPLIANCE TO WET LOCATIONS.

RISK OF ELECTRIC SHOCK

CAUTION: TO REDUCE THE RISK OF ELECTRIC

SHOCK. DO NOT REMOVE COVER. NO USERSERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

This symbol warns the user of uninsulated voltage within the unit that can cause danger-

ous electric shocks.

This symbol alerts the user that there are

important operating and maintenance instruc-

tions in the literature accompanying this unit.

DO NOT OPEN

CAUTION

This symbol mark means following.

For continued protection against fire haz-

ard, replace only with same type fuse.

(CP901; 2.5A 72V, CP902; 2A 72V)

CAUTION

This symbol mark means following.

For continued protection against fire haz-

ard, replace only with same type fuse.

(Fl; 1.5A 250V)

Camcorder

only

AC Adapter

only

AmENTION: POUR REDUIRE LES RESQUES D’INCENDIE OU DE CHOC ELECTRIQUE,

NE PAS EXPOSER CET APPAREIL A LA PLUIE OU A L’HUMIDITE.

RISQUE DE CHOC ELECTRIQUE

ATTENTION: AFIN DE REDUIRE LES RISQUES DE

Ce symbole signale a I’utilisateur la presence d’une tension non isolee a I’interieur de I’appareil qui peut etre la cause de secousses electriques dangereuses.

Ce symbole avertit I’utilisateur que des in-

structions importantes relatives a I’utilisation et al’entretien se trouvent dans le manuel accompagnant I’appareil.

NE PAS OUVRIR

CHOC ELECTRIQUE, NE PAS RETIRER LE COUVERCLE, AUCUN ORGANE INTERNE NE PEUT ETRE REPARE PAR L’UTIUSATEUR, CONFIER L’APPAREIL A

UN DEPANNEUR QUALIFIE.

ATTENTION Ce symbole signifie que t’on devra uti-

liser un fusible de meme type (CP901; seulement

2.5A 72V, CP902; 2A 72V) pour assurer la securite.

Camcorder

AmENTION Ce symbole signifie que I’on devra uti- Adapt&ur CA

liser un fusible de meme type (Fl; 1.5A, 25OV) pour assurer la securite.

seulement

A CAUTION

BEFORE BATTERY DESTROY

NICKEL-CADMIUM BATTERY

The following program is available in the United States. Please consult local environmental

authorities concerning the availability of this or other programs in your area.

The RBRCTM Seal

SHARP participates in the RBRCTM* Nickel-Cadmium Battery Recycling Program in the United States. The RBRCTM Seal on our battery pack contained in our product indicates that SHARP is voluntarily participating in an industry program to collect and recycle these batteries. The RBRCTM program provides you with a convenient alternative to placing spent Nickel-Cadmium battery packs into the trash or municipal waste stream, which is illegal in some areas. At the end of their useful life, the Nickel-Cadmium battery can be dropped off at the nearest collection center for recycling. For information on the nearest collection center, call I-800,8-BATTERY or your local recycling center. If you are located outside the United States, contact your local authorities for information concerning proper disposal and/ or recycling of this battery. SHARP’s involvement in this program is part of our commitment to protecting our environment and conserving natural resources.

[Footnote] *RBRCTM is trademark of the Rechargeable Battery Recycling Corporation.

NICKEL-METAL HYDRIDE BATTERY LITHIUM or LITHIUM-ION BAlTERY

SEALED LEAD BATTERY

Battery disposal Contains the above (Rechargeable) Battery. must be recycled or disposed of properly. Remove the Battery from the products and contact Federal or State Environmental Agencies for information on recycling and disposal options.

1-3

2. SPECIFICATIONS

VL-sw5ou

Signal System:

Recording System:

Cassette:

Recording/Playback Time:

Tape Speed:

Pickup Device:

Zoom Lens:

Wide Angle Lens:

Zoom Lens Filter Diameter:

Viewfinder:

Monitor:

Microphone:

Color Temperature Compensation:

Minimum Illumination:

Video Output Level: Audio Output Level:

Speaker Output:

Power Requirement:

Power Consumption:

NTSC standard 2 rotary heads, helical scanning system 8 mm video tape, MP type

120 minutes (P6-120)

14.345 mm/second

l/d” (6 4mm effective size: 4.5 mm) CCD image sensor (with approx.

270,060 pixels including optical black)

10 x power zoom lens (Fl.8.2.8, f=4.5-45 mm), and full-range auto focus

F 2.2, f=3.2mm, and fixed focus

,30mm

Electronic LCD color viewfinder

4” (10.1 cm) full-color LCD screen (TFT active matrix)

Electret monaural microphone

Auto white balance

1.2 lux (8 lux measured by EIA standard) (with gain-up, Fl.8 with zoom lens) 1 .O Vp-p 75.ohm unbalanced

-8 dBs, impedance less than 2.2 kohms

200 mW

DC 3.6V

5.4W (during camera recording using the viewfinder in full auto mode

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

backlight in normal mode)

6.6W (during camera recording using the LCD screen in full auto mode

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

backlight in normal mode)

Operating Temperature:

Operating Humidity: Storage Temperature: Dimensions (approx.):

Weight (approx.):

O°C to + 40°C (32°F to 104°F) 30% to 80%

-2OOC to +6O”C (-4°F to 140°F) 3 ‘g/32” (W) x 4 ‘/41’ (H) x 9’9/32” (D) 191 mm (W) x 108 mm (H) x 244 mm (D)]

1.76lbs (800g) (without battery pack, lithium battery, video cassette and lens cap)

AC Adapter/Battery Charger

UADP-0274TAZZ

Power Requirement: AC 1 IO-240 V, 50/60 Hz

DC Output: 4.5 V

Power Consumption: 16 W

Dimensions (approx.):

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

2 31/3$’ (W) x 2” (H) x 5 5/16” (D) [75 mm o(v) x 51 mm (H) x 135 mm (D)]

Battery Pack BT-H22

DC Output: 3.6V

Dimensions (approx.): 2 l/d’ o(v) x 3/<’ (H) x 2 7/&’ (D)

[54mm(W)xl9mm(H)x 56 mm (D)]

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

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 I-800-BE SHARP (I-800-237-4277) or visit SHARP’s web site (http://www.sharp-usa.com)

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3. PART NAMES AND FUNCTION

For details on the use of each control.

Fast Forward/Forward Search button

REWind/Reverse Search button

FADE button

DIS (Digital Image Stabi

buttor

MENU button

PLAY button

STOP/BLC (Backlight Corn GAIN-up button

PAUSE/STILL/M FOCUS button

Diopter adjustment

lpensation)/

anual

Remote sensor

SELECT LENS button

Speaker

Picture-in-Picture button

-OPEN release

LCD monitor

WIPE/MOVE button

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Power switch (CAMERA/VCR

select switch)

LCD color viewfinder h-1

ewfind

Batter

When the cassette compartment door is open

er eyecup

y pack mounting

sur

face

t3scx

Power Zoom Wide/Telephoto control VOLume control

1 I

- RECord START/STOP button

“PUSH” mark

- compartment

f& Jack cover

O/VIDEO

battery

Cassette compartment door release

Cassette compartment

Shoulder strap loops

Tripod socket

Cassette door

nd strap

compartment

3-2

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Viewfinder/LCD Monitor Indicators

PLAY Play F’: !%ard &sH ~~~~hd L ’ ‘lrn w m w w

ST I LL ““’

Backlight compensation (m)/

Gain-up ( UXP) indicators -

Picture/volume adjustment

indicators/Zoom indicators/Tape

warnings/Remaining recording

time indicator/Clogged heads

Remaining battery power/

Low battery/Dew warnings

Note: Only the date/time indicators are recorded on the tape along with

the subject.

RE,,,, Rewind b*

I 1

Lighting (LIGHT)/

Date/time indicators

Tape operation indicators Recording mode indicators

l ))W

(Continuous flashing)

Wide-angle lens (SUPERWIDE) indicator

I 1

I I

. warnrng

Reverse

SEARCH search

I 1

l-----l -

-I_ -

J _I

Warning Indicators

The camcorder is in Recording Standby mode, and is not recording.

Recording

EDIT/AUTO/Manual focus (M.FOCUS) indicators

Fade/Dissolve/Wipe indicators

Large-character warning displays/

Quick return indicator

Tape counter display

Recording/playback operation indicators are normally displayed in white. They are displayed in blue when selected functions are in progress.

:JECT THE

CASSETTE.

DEW

BATTERY IS '

T()() L ()W,

INSERT

A CASSETTE, ++S~T,TE’-

ZASSETTE NOT . ..PRijf&' ij(B_.

3 E COR DA B L E , a” 1 1 :’ \. .I.

THE TAPE a ' ’ ;

ENDS SOON, jk! E.;NP-’

_.'i j i 6 =f_.

XI t :'

. ..b EW .-

.J 1 i

._bAT&_.

.- / ! 5 ..-

: .*

. ...;&;.

. . ,+

CHANGE THE

The video cassette is defective and should be removed.

Dew has formed inside the camcorder. Wait for a few hours until the dew disappears. About IO seconds after this warning appears, the camcorder automatically turns off.

The battery is almost depleted. Replace it with a fully charged battery pack.

The video heads are clogged and should be cleaned.

There is no video cassette in the camcorder. Load a cassette.

The red erasure protect tab on the video cassette has been slid to the record-protect position, preventing recording.

The tape is about to end. Get ready to load a new cassette.

The tape has reached its end. Replace it with a new cassette.

CASSETTE, TAPE END

When the vertical rotation of the LCD monitor is between 135” and

180°, all warnings will be indicated by ‘@” displayed in the center of the viewfinder and the LCD screen. To check the meaning of the warning, rotate the monitor back to within 135”.

Note: -1: I- indicates a flashing display.

4. DISASSEMBLY OFTHE SET

4-l. Removal of the LCD section

Note: Before removing the cabinet, turn off the power supply, and ascertain that the battery has been removed.

4-1-1. The Screws

Fig No

b d Tap Screw M2 Silver 3

f Tap Screw M2

k Screw Ml .7 Silver 4

4-1-2. Order

(1) Remove the cabinet B.

1) Open the VCR lid, remove the screw (b)(one PC.).

2) Remove the screw (I)(one PC.), disconnect the ADJ cover while shifting obliquely downward.

3) Remove the lithium exchange lid.

4) Open the LCD cabinet, remove the screws (I)(2 PCS.) and disconnect tilt unit cover.

5) Remove the screws (i)(2 PCS.). (Be careful not to drop the screw into the set.)

Name Shape Color Quantity

Tap Screw Ml.7 Black 1

Screw Screw

M2 M2

Screw M2

Tap Screw M2

Gold

Black Silver 3 Black Silver 3

Tap Screw

Ml .7 Black 1

2 6

VCR iid

Lithium exchange lid

ADJ

cover (1)

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’ .

Tilt unit cover

6) Remove the screws (d)(one PC.) and (j)(6 PCS.).

7) Disconnect the cabinet B (in the direction of an arrow head). Release it while it is pushing one claw in this time.

8) Remove the LCD SW UNIT connector and MENU SW FPC.

9) Remove the tilt FPC. Open the lock of connectors and remove two FPCs.

Notes:

1) Keep it afloat while the cabinet B release from the set because the FPCs and the wires of 8), 9) are connecting the cabinet B. There are some apprehensions that snapping of the wires. If the cabinet B is

drawed violently.

2) Screw the cabinet B to the set in order @ and @ one by one on setup it.

4-1

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(2) Remove the rotation axle.

1) Remove the screw (g)(one PC.) and the LCD SW Unit.

2) Remove the screws (c)(2 PCS.), the rotation axle and earth plate.

(3)Remove the LCD front cover.

1) Remove the screws (d)(2 PCS.).

2) Remove the inside screws (k)(2 PCS.) of the screws (k)(4pcs.).

3) Disconnect the LCD front cover.

(4)Remove the LCD holder.

1) Remove the screws (f)(2 PCS.).

2) Remove the LCD holder.

3) Remove one connector and one FPC.

(5)Remove the inverter unit .

1) Remove the screw (f)(one PC.), the shield sheet and inverter unit.

2) Disconnect the tilt FPCs (2 PCS.).

3) Remove the screws (k)(2 PCS.) and the rotation axle.

4-2

VL-SW5OU

Fig. No Name

Tap Screw M2 Tap Screw M2

Screw

I Screw

Shape Color Quantity

Black 3 Silver 1

Black 1

_ M2 _ Silver _ 4

4-2-2. Order.

(1)Remove the front cover.

1) Remove the screws (d)(one PC.), (j)(one PC.) and (I)(4 PCS.).

2) Remove the connectors of the microphone and speaker.

3) Disconnect the FPC of remote control light reception unit after open the lock of connector.

4) Disconnect the front cover.

Remote control light reception unit FPC

Speaker wire

(2)Remove the lens holder.

1) Open the lock of connectors and remove two FPCs.

2) Remove the screws (c)(3 PCS.) and disconnect the lens holder with lens and camera PWB.

4-3

Disconnect

4-3. Removal of the V/F

4-3-1. The screws

Fig. No

4-3-2. Order

(1)Disconnect the zoom switch unit FPC. (2)Open the lock the connector and remove the V/F FPC. (3)Remove the screw (j)(one PC.) and disconnect the V/F.

(4)Remove the screws (g)(2 PCS.) and the V/F bottom cabinet.

Name Shape Color Quantity

Tap Screw

Screw

Ml .7 Black 2

M2 Black 1

Zoom switch

FPC

V/F FPC

4-4. Removal of the VCR

4-4-l. The screws

Fig. No

a SP Screw M2

4-4-2. Order

(l)Remove the VCR.

1) Remove the unload switch unit connector.

2) Remove the lithium holder unit connector.

3) Remove the battery terminal unit connector.

4) Disconnect the VCR operation unit FPC.

5) Remove the special screws (a)(3 PCS.) and discon

(2)Remove the VCR board.

1) Remove the VCR board.

2) Remove the screws (i)(3 PCS.).

3) Disconnect the VCR board.

Name

Shape Color Quantity

Screw M2

Gold Gold 3

nect the V

Lithium holder unit

( 1

Battery terminal unit

4-4

0 Disassembly of the LCD panel

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I I

Claw (A)

(- Reflection sheet

Light guide plate

1 .

Disengage two claws, and remove the lamp unit (1)

from the LCD holder (2).

Remove the sheets from the LCD holder (2).

Pull the LCD holding sheet (3)

Disengage the claw (B) and the LCD panel (4), remove the LCD holder (2).

Note:

When handling the prism sheet, reflection polarizing sheet, diffusion sheet, light

guide plate, and reflection sheet, do not touch any parts other than lugs and sides. Put the light guide plate and

reflection sheet between re-

flectors of lamp. Therefore,

install them together with the lamp ass’y.

Lugs-

Diffusion sheet

Prism sheet

Diffusion sheet

Reflection Polarizing sheet

Claw (6)

Disengage the claw B, and remove the LCD panel.

(2)

(4)

4-5

4-5. REPLACEMENT OF CCD SENSOR

4-5-l. Before replacement

The CCD image sensor is more sensitive to electrostatic breakage than CMOS 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. Take utmost care so that the surface glass of CCD sensor and optical filter are not contaminated and damaged. If any contamination is found, for example fingerprint, wipe it off with silicon paper or clean chamois skin. When replacing the CCD sensor, use the antistaic grounded soldring iron, and perform quickly soldering.

Index Mark

LZ2413H5

.ct yywwxxx

Note:

Indication of voltage (ofd) set value. Voltage set value is indicated on the back of the CCD sensor.

V-OFD voltage marked on the back of CCD

4-5-2. Removal of CCD

1) Unsolder the CCD sensors lead from the sensor PWBs.

2) Take out the sensor PWBs.

3) Remove the 4 screws (6), and remove the CCD retaining plates and CCD sensors.

4-5-3. Mounting of CCD

1) Place the lens units upright (since the CCD sensors mount ID faces upward, care must be taken SC as not to damage the

front lenses of units), put the crystal filters first and then the dustproof rubbers into the CCD holders of lens units. Set the optical filter units with then thin side toward the earth lens units.

2) Place the CCD sensors so that the theirs No. 1 pins are at the right lower (Positioning holes to be at right), and put the CCD sensors into the CCD holders. For smooth and tight fitting, press the right lower parts of back of CCD sensors, and then press the left upper parts.

Note: Pay attention to the direction of CCD sensors.

’ 3) Place the CCD retaining plates so that theirs 4 round markings be visible, and fix the CCD retaining plates with th

screws ((6)LX_HZ0013TAFF).

4) Mount the sensor PWBs so that the CCD sensors lead go thorough the PWB holes.

5) Solder the CCD sensors lead to the sensor PWBs.

Note: Take care not to apply excessive heat.

CCD Retaining Plate

CCD Retainin

._-___ ___I

I Themarkmust be :

1 on this face.

I I

_1_____1-1

M&k

4-6

I I

1 TheTHlNSlDE 1

I faces the lens. I

__--_-_-

5. MECHANISM ADJUSTMENT

5-l. Mechanism checking/adjusting jigs, tools and parts

5-1-I. Mechanism checking/adjusting jigs and tools

VL=S\NSOU

l (10 g-cm/25 g=cm)

l (50 g-cm/25 g*cm)

l For measurement

Guide roller height

JiGDRiVERHMX7U BU

adjusting driver

Tu guide height 9EQDRiVEKV712 BL

adjusting driver

9 Hex wrench

1.3 mm l For loosening or

l For adjustment of

Si roller height

Bit shape (See the figure below)

Tolerance&O. 1

4&b

I++/

Edge thickness 0.5

tightening of

Motor stator

5-l

Name

Part No.

Code

Configuration

Model, Uses

Remarks

9lignment tape

11 Tension Band and

VR2ABOPS

JiGDRiVERMX7UZ

Plate Adjusting Jig

Others (1) Slide clippers (2) High-precision screwdrivers (Phillips head, slotted head) (3) Radio pliers (with thin jaws) (4) A pair of tweezers

TAPE CONTENTS

1 VIDEO IMAGE 1

MONOSCOPE L-CH

R-CH 1,OOOHz

AUDIO

400Hz 30MlN

1 TIME 1

5-1-2. Parts for periodic inspection and maintenance.

011

Name

1) COSMOHYDRO HVIOO

Cleaning paper

3 Superfine swab

4 Grease

Morycoat YM-103/X5-6020

Screw locking agent

(1401B)

6 Cleaning liquid

(Industrial-use ethyl alcohol]

Part No. Code

-\.\.\

JiGDUSPER AP

Configuration

Model, Uses

l Cosmo Oil Co., Ltd.

l Dusper C (Sigma)

(Ozu Co., Ltd.)

l Dow Coaning

l Three Bond

5-2

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5-2. Items and timings of inspection and maintenance

The mechanism of VCR needs the following periodic inspection and maintenance in order that it maintains its high quality Also, after the machine is repaired, execute the following maintenance and checks regardless of how long it has been used.

5-2-l. Inspection and maintenance list

Checking/Maintenance point

Tape travelling route

(Refer to Section)

CD s L Drum (Refer to Section)

g Video head 3

Timing belt

Pinch roller

Capstan D.D. motor

CJ Relay Pulle shaft 2: Pulle gear shaft

Drive gear shaft

il;

Usage time (hrs.)

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

0 0 0 0 0 $;;ran”;g;d

q cl q cl 0

0 00 q 00 00 *Improper S/N ratio

* - * *

0 0 0 00 0 *Screen shakes.

- 0 - () 0

A - A A

Possible symptom

encountered

Remarks

Rollers

l If abnormal rotation or

l Screen shaking deflection (signifi-

cant) is found, replace the roller.

. Other than rollers

*Clean the tape con-

l No color appears.

tatting areas. Be sure to use the specified cleaning agent.

*Tape does not run. *Tape slackens.

@Abnormal sound

l Replace if failure is

found.

l Apply oil.

(Oil: COSMOHYDRO

HVI 00) Note: After oil is applied to the drive gear shaft, slightly wipe it off with swab.

Loading motor

*o a

Abnormal sound

- *o -

* * * * *

a ?, PBNS-REWtake-uptorque - * - * *

g 2 PBA/S-REW back tension - * - * *

Z torque CD

2 Tu brake

* - * *

HC (Head Cleaner)

Oil: COSMOHYDRO, HVI 00 Grease: MORYCOAT YM-103/X5-6020 Screw locking agent: THERE BOND 1401 B

0 0

0 : Replace.

0 : Clean.

Cleaning liquid: Industrial-use ethyl alcohol

l Not ejectable l The specific mode can-

not be set.

A : Apply oil. * : Check.

l Replace if failure (ab-

normal sound) is de-

tected.

* If conformance to the

standard is not ensured, replace part.

5-3

5-2-2. Notes and cautions

(1) Any cut washers, once removed for parts replacement or for other reason, must be replaced with new ones.

(2) The mechanism of this VCR does not involve any volume adjustment. If the specified range is not satisfied, either

cleaning or replacing the parts is required.

(3) Oils

a) Be sure to use the specified oils (different viscosity may cause troubles). b) For the bearings, be sure to use oil that is free form dust and other foreign substances. (Dust or foreign substance

contained in the oil may cause wear or seizure of the bearings.)

c) A drop of oil represents the amount of oil which is held on the needle top as shown in the figure below.

Oil

(4) The circuit repair must be executed without removing the V frame.

(5) For operating the mechanism alone, actuate it with the motor. The terminal-to-terminal voltage must be DC4V or less.

(6) When installing the cassette control, press the part A shown below. Do not press other parts.

(7) Take care so that the whole mechanism is not deformed.

A /

Figure 1

5-4

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5-3. Mechanism checks and adjustments

The description given below relates to the general field services, but does not relate to the adjustment and replacement that require high level equipments, jigs, and technical skills.

In order to maintain the initial characteristics of the machine, it is necessary to execute the maintenance and check and to prevent damage to tapes and other parts. For adjustments which need jigs, be sure to use the jigs.

Notes and cautions

(1) For mechanism checks and adjustments, be sure to use the AC adapter as the power supply.

(2) For running the tape, be sure to install the cassette control ass’y in advance. (if the cassette control ass’y is to be

removed subsequently after its installation.)

5-3-l. Checking the reel disk height

(1) Remove the cassette control ass’y.

(2) Taking due care not to let the master plane touch the tape running areas such as the drum and the guide rollers,

position the master plane so that the two guides (A and B in the figure 1) are set in the holes of master plane, then properly set it in the mechanism.

Figure 1

(3) Using the slide callipers or the like, check that the distance from the upper surface of master plane to the reel support

surface of the Smu reel disk is within the specified range.

Note:

When measuring, do not apply excessive force to the reel support surface of reel disk.

(4) If the measurement is not within the specified range, replace the reel disk ass’y.

(5) Check the items (2) to (4) above in the following two modes.

a) Standby mode

b) Playback (recording) mode

Figure 2

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5-3-2. Checking the take-up torque for playback (recording)

(1) Set the torque cassette (8T-012) in position, and check in the SP-mode recording mode (tape recorded in SP mode)

that the torque at the tape taking-up side is within the standard range.

Standard of take-up torque for SP-mode recording (playback)

9 +, 3 gem with ripples less than 4 gem

(If the torque ripples appear, read the center value of torque between the ripples.)

5-3-3. Checking and adjusting the back tension torque for playback (recording)

(1) Checking

1) Set the torque cassette (8T-012) in position, and check in the SP-mode recording mode (tape recorded in SP mode) that the torque at the tape supply side is within the standard range.

Standard of back tension torque for SP-mode recording (playback):

8 & 2 gem with ripples of less than 2 gem

(Torque ripple must be within 8 + 2 gem)

(2) Adjustment

1) If the back tension torque is not within the standard range, adjust the tension spring hooking position. If the back tension is too high, hook the spring in the direction A. If the back tension is too low, hook the spring in the direction

Note:

1. After back tension torque adjustment be sure to check the tension pole position.

5-3-4. Checking and adjusting the tension pole position

(1) Check

When winding of P6-120 tape is started, check whether the tension pole is in the specified position against Si roller as shown or not.

If it is not in the specified position, remove the cassette and adjust the position in the following procedure.

(2) Adjustment

(2)-l. Don’t set up any tape, and select the PB mode. (Refer to Item 5-5-l-(4).)

2. Slightly loosen the screw (1) (to such a strength as the T band holder B can be moved).

3. If the tension pole is in the inner position than specified, dislocate the T band holder B in the arrow (A) direction and if it is in the outer position, dislocate it in the arrow (B) position. Then, tighten the screw (1). (For reference, dislocate it 0.4 to 0.8 mm outer from the position specified above.) For the position adjustment, it is convenient to use the position adjustment screwdriver (JiGDRiVERMX7U2). (Set it in the hole (C).)

4.Check the position in the “(1) Check” procedure described above.

5. If it is not in the specified position, repeat the adjusting procedure 1 thru 3.

5-6

Note:

*Tightening torque of screw (1) 70 mN-m *To check the position, be sure to run the tape.

l If the cassette compartment assembly is removed, it makes the work easier. (Refer to Item 5-5-3.)

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5-3-5. Checking the take-up torque for rewind playback (VS-REW)

(1) Remove the cassette compartment ass’y and set to the sensor OFF mode. (2) Set the torque gauge (TG0045) on the S reel disk, and check in the rewind playback (VS-REW) that the torque at

the supply side is within the specified range.

Standard of take-up torque in rewind playback (SP mode)

31 & 5 gem with ripples less than 5 gem.

(If the torque ripples appear, read the center value of torque between the ripples.)

5-3-6. Checking the back tension torque for rewind playback (VS-REW)

(1) Set the torque cassette (8T-032) in position, and check in the rewind playback (VS-REW) mode that the torque at

the tape take-up side is within the specified range.

Standard of back tension torque in rewind playback (SP mode):

14 + 5 gem with ripples less than 5 gem

(If the torque ripples appear, read the center value of torque between the ripples.)

5-7

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5-4. ADJUSTMENT OF MECHANISM TAPE TRAVEL SYSTEM

Sup tilted pole

Tu guide

Tape travel system (Figure 1)

5-4-l. Preparation for adjustment

(1) Clean the tape running areas (guide poles, rollers, drum, Capstan shaft, Pinch roller) (Figure 1)

(2) Connect the oscilloscope to the following TPs.

RF output . ..TL3306

H-SW-P . . . . ..TL405

GND . . . . . . . . . . . TL3318

(3) Playback the alignment tape (VR2ABOPS).

(4) Ascertain that each guide is free from remarkable curl.

(5) Ascertain that the RF waveform of inlet and outlet sides is flat on the oscilloscope (Figure 2, (a)). Unless the waveform

is flat, (Figure 2, (b), (c)), make an adjustment as follows.

5-4-2. Adjusting the Sup GR and Tu GR

(1) Turn the Sup and Tu guide rollers to get the flat waveform at the inlet and outlet sides.

Figure 2

5-8

5-4-3. Adjusting the Si roller height

After replacement of Si roller preset and adjust the Si roller height.

(1) Si roller height presetting

Adjust the height from the upper surface ofmechanism chassis to the upper surface of lower flange with the aid of jig. Then lower it by 90’ (clockwise).

Upper flange

Figure 3

(2) Adjusting the Si roller

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

2 Ascertain that the tape is not folded on the lower flange (2) of Si roller (1). (Figure 4)

If tape folding is found, turn the upper flange (3) of Si roller (1) with the driver (clockwise) to eliminate the folding.

Height adjusting jig

Master plane

VL-sw5ou

3 Playback the alignment tape (VR2ABOPS).

4 Adjust the Sup GR and Tu GR by the procedure described in section 4-2 above.

5 After V/S F,R perform playback so as to ascertain that the waveform rises horizontally within 2 seconds.

6 Unless the normal waveform is obtained (Figure 5), turn counterclockwise the upper flange (3) of Si roller (I), and

repeat the step (5) above. Repeat the steps (5) and (6) until the normal waveform is obtained. At this time ascertain

that the inlet travel does not change in the normal playback state. If any change is found, adjust the Sup GR, and

redo the step (5).

Rise waveform

Playback

Upper flange (3)

. /

Tape must be free from foldeng.

Si roller (1)

Figure 4

REV

+%%I&

REV

Figure 5

5-4-4. Adjusting the Tu guide

After replacement of Tu guide preset and adjust the height.

(1) Tu guide height presetting

Adjust the height from the upper surface of mechanism chassis to the upper surface of lower flange with the aid of jig.

Upper flange

i---

jHeight setWI its Master p,ane

(JiGMP-MX7U)

Lower flange

Figure 6

5-9

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(2) Adjusting the Tu guide

1 Playback the Tu guide adjustment cassette (or the No.7 guide adjustment cassette for E30).

2 Check that the tape runs at the same height near the capstan shaft in case of V/S F and V/S R.

3 If the tape running position in case of V/S R is higher than the tape running position in case of V/S F, turn clockwise

the Tu guide nat.

If the tape running position in case of V/S R is lower than the running position in case of V/S F, turn counterclockwise

the Tu guide nat.

Pinch roller

Figure 7

5-4-5. Checking the V/S F and R waveforms

(1) Playback alignment tape (VR2ABOPS), and set the V/S R mode. At this time ascertain that the waveform crest pitch

is kept constant for more than 5 seconds.

(2) Set the V/S F mode. At this time ascertain that the waveform crest pitch is kept constant for more than 5 seconds.

Unless the constant pitch is obtained, execute the checks of Section 4-2, 3, and 4.

taTbTcTdl

Figure 8

5-4-6. Checking after adjustment

(1) Envelope check

1 Playback the alignment tape (VR2ABOPS).

2 Ascertain that the envelope maximum to minimum ratio is 65% or more. (Figure 9)

3 Ascertain that the waveform does not chanae remarkably. (Figure 10)

- EMIN EMAX

EMIN

- 2 65 (%)

EMAX

Figure 10 Figure 9

5-l 0

(2) Rise check

Playback the alignment tape (VR2ABOPS).

Once eject the cassette, and then load it again.

Set the playback mode, and ascertain that the RF waveform rises horizontally within 2 seconds. At this time ascertain that there is no tape slackness near the pinch roller.

After V/S F, R and FF/REW execute playback, and ascertain that the RF waveform rises horizontally within 2 seconds. At this time ascertain that there is no tape slackness near the pinch roller.

cl’

VL-swsou

Figure 11

(3) Checking the tape travel

1 When the tape is played back, ascertain that tape lift and tape curl of 0.3 mm or more do not occur at the lower flange

of Si roller, upper flange of Sup GR, upper flange of Tu GR, and upper/lower flange of Tu guide.

2 In case of V/S F and R ascertain that no curl is found at each flange.

Tension pole

Tu tilted pole

Sup tilted pole

Pinch roller

’

Tu guide

Figure 12

5-4-7. Checking and adjusting the playback switching point

Refer to the description of playback switching point adjustment in section of VCR circuit adjustment.

5-l 1

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5-5. Mechanism assembling and parts replacement (disassembling and assembling)

Below is given an explanation of assembling of mechanism and its parts replacement.

The removal of cabinet and Circuit Board is explained in the relevant service manual.

After removal of cut washers be sure to replace them with new ones.

Do not place the mechanism upside down on the table. Otherwise, the mechanism part may be deformed or damaged, resulting in malfunction.

When assembling, take care so that screw, washer or other foreign substance do not enter. Otherwise mechanism

malfunction may occur.

Be sure to use the specified cleaning liquid, oil, grease and screw lock as listed below. Otherwise mechanism

malfunction may occur.

Oils: 1) Cosumo Oil Co., Ltd.

COSMOHYDRO HVlOO

Greases: Dow Coaning

MORYCOAT YM-103/X5-6020

Screw lock:

Cleaning liquid: Industrial-use ethyl alcohol

THREE BOND

14018

5-5-l. Mechanism modes

To actuate the mechanism, apply DC3 to 4V to the L motor. At this time the L motor connector must have been

disconnected in advance. Below is given an explanation of the mechanism mode necessary for mechanism check, adjustment and replacement.

(1). I] mode (See Figure 1)

In this mode, it is mechanically positioned to eject the cassette. It is the position where the EJECT lever is moved the farthest in the direction A in the S/B mode. (In this mode, the cassette compartment assembly can not be locked.)

Slide

chassis

EJ mode

Figure 1

5-12

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(2).( S/B (Standby)

When the cassette is loaded, the mechanism is set to the S/B mode. In this mode the slide chassis is most far from the drum. In this mode the Eject lever is in position shown in Figure 2 (in position where the cassette control ass’y can be

locked).

(3). ml mode (See Figure 3)

mode (See Figure 2)

Slide

EJECT Lever

S/B mode

Figure 2

In the STOP mode the ST pole base is depressed in the STOP position (or Ret Lock position in CAMERA mode), and

the S brake is in contact with the S reel disk.

STOP mode

Figure 3

(4). (PBlmode (See Figure 4)

In this mode, it is pos

against the capstan

itioned for the replay,

shaft to make the pi

record and so on. It is the mechanical position

rich-pressing spring the most longest.

Pinch roller

Capstan shaft

where the pinch roller is pressed

PB mode

L-l

Figure 4

5-13

-Pinch Spring

VL-swsou

5-5-2. Cassette control ass’y

(1) Set the unit to the EJECT mode, and let the housing stand upright. Or set the unit to the STANDBY mode, press the

lock lever in the arrow direction, and let the housing stand upright. (See Fig 5: in the direction @ or @) (When pushing

in the direction @, slightly lift the housing by hand to release the lock lever.) (2) Remove the four screws @ and take out the down guide @. (3) Slide the two link support shafts @ and the two roller shafts @ to the round openings @ on their respective slide

chassis slits (two at @ and two at 0). (4) Deflect the roller shafts @ a little inward to get them out of the round openings (@on the slide chassis. (Be careful

not to deform the inner links.)

Lock Lever

Down Guide

Screw tightening

torque (4 locations)

0.069 & 0.007 Nom (0.7 1: 0.07 kgcm)

Figure 5. Lock lever section

Figure 6.

(1) Set the unit to the STANDBY mode. (2) Deflect the roller shafts @ a little inward, and fit them into the round openings @ on the slide chassis. (Be careful

not to deform the inner links.)

(3) Align the flanges of roller shafts @ with the slide chassis slits 0. While sliding the flanges, fit the support shafts @

in the slide chassis slits @, and slide them until they reach the slits.

(4) Attach the down

the down guide 3 and the support shafts @ becomes zero.)

uide. (While pressing the guide in the direction 0, tighten the screws until the gap 0 between

Tightening torque: 70 + 7 mN*m (0.7 * 0.07 kgcm)

5-14

5-5-3. Actuating the mechanism with the cassette control ass’y removed

(1) Turn on the power supply with the cabinet and camera unit removed, referring to the Service Manual (so as to actuate

the mechanism).

(2) Put the cap (2) on the light guide (1).

(3) Press the cassette control down switch (5) through the adhesive tape (4) in the arrow direction so as to turn it on.

At this time take care to avoid contact with the cassette. Keep the switch pressed (if the switch is turned off, unloading occurs).

Note: To set the Ret mode, press the pin (marked with the asterisk *) of recognition switch (3) (this operation is not

necessary in other modes).

Cassette control

Cap (2)

5-5-4. Drum and Drum base

* To replace the upper drum, be sure to put on gloves. Due care is required so that the drum is not damaged.

(1) Drum base

Remove the 3 mounting screws as shown in Figure 1, and remove the drum base.

Mounting screw

Figure 1

5-l 5

VL-SWSOU

(2) Drum motor stator

Remove the stator mounting

screw with the hexagonal wrench as shown

Stator

Upper/lower drum ass’y

Figure 2

(3) Upper drum ass’y

Remove the upper drum ass’y from the lower drum ass’y as shown

At this time take care so as not to lose the gap shim.

Phase matching

in Figure 3.

in Figure

hole

2, remove the motor stator.

Lower drum ass’y

Figure 3

Motor rotor ass’y and rotary transformer rotor ass’y

Remove the 2 rotor mounting screws as shown in Figure 4, and remove the motor rotor and the rotary transformer ass’y.

Rotor mounting screw

drum ass’v

Figure 4

5-16

+ 116 hidden pages