Panasonic NV-DS29EG Manuale utente

ORDERNO. VMD0202007C8

Digital Video Camcorder

NV-DS29EG

NV-DS29EGM / NV-DS29B/ NV-DS29EGE/ NV-DS30EG / NV-

DS30EGM/ NV-DS30B/ NV-DS30EGE/ NV-DS30EN/ NV-DS30ENT/

NV-DS30ENC / NV-DS30A/ NV-DS50EN/ NV-DS50ENT/ NV-DS50A

VOL.1

SPECIFICATIONS

Unauthorized copying and distribution isaviolation of law.

1. SAFETY PRECAUTIONS

GENERALGUIDELINES

1. IMPORTANTSAFETY NOTICE

There are special components used inthisequipment which are

important for safety. These parts are marked byinthe

SchematicDiagrams, CircuitBoard Layout, Exploded Viewsand

Replacement Parts List. Itisessential that these critical parts

shouldbe replaced with manufacturer’sspecified parts to prevent

X-RADIATION, shock, fire, or other hazards. Donot modifythe

original design without permission of manufacturer.

2. AnIsolation Transformer shouldalwaysbe used during the

servicing of AC Adaptor whose chassisisnot isolated from the

AC power line. Use atransformer of adequate power rating as this

protects the technician from accidents resulting inpersonal injury

from electrical shocks. Itwill also protect AC Adaptor from being

damaged byaccidental shorting that mayoccur during servicing.

3. When servicing, observe the original lead dress. Ifashort circuit

isfound, replace all parts which have been overheated or

damaged bythe short circuit.

4. After servicing, see to itthat all the protective devices such as

insulation barriers, insulation papers shields are properly

installed.

5. After servicing, make the following leakage current checks to

prevent the customer from being exposed to shock hazards.

LEAKAGE CURRENTCOLD CHECK

1. Unplug the AC cord and connect ajumper between the two

prongs on the plug.

2. Measure the resistance value, with an ohmmeter, between the

jumpered AC plug and each exposed metalliccabinet part on the

equipment such as screwheads, connectors, control shafts, etc.

When the exposed metallicpart has areturn path to the chassis,

the reading shouldbe between 1M and 5.2M . When the

exposed metal does not have areturn path to the chassis, the

reading must be infinity.

LEAKAGE CURRENTHOTCHECK

(See Figure 1.)

1. Plug the AC cord directlyinto the AC outlet. Donot use an

isolation transformer for thischeck.

2. Connect a1.5k , 10 Wresistor, inparallel with a0.15 F

capacitor, between each exposed metallicpart on the set and a

good earth ground, as showninFigure 1.

3. Use an AC voltmeter, with 1k /Vor more sensitivity, to measure

the potential across the resistor.

4. Check each exposed metallicpart, and measure the voltage at

each point.

5. Reverse the AC plug inthe AC outlet and repeat each of the above

measurements.

6. The potential at anypoint shouldnot exceed 0.75 VRMS. A

leakage current tester (Simpson Model 229 or equivalent) maybe

used to make the hot checks, leakage current must not exceed 1/2

mA. Incase ameasurement isoutside of the limits specified,

there isapossibilityof ashock hazard, and the equipment should

be repaired and rechecked before itisreturned to the customer.

Figure. 1

2. PREVENTION OF ELECTRO STATIC DISCHARGE

(ESD) TO ELECTROSTATICALLY SENSITIVE (ES)

DEVICES

Some semiconductor(solidstate) devices canbe damagedeasilybystatic electricity. Such

components commonlyare calledElectrostaticallySensitive (ES) Devices. Examples of typical

ES devices are integratedcircuits and some field-effect transistors and semiconductor"chip"

components. The following techniques shouldbe usedtohelpreduce the incidence of

component damage causedbyelectrostatic discharge (ESD).

1. Immediatelybefore handling anysemiconductor component or

semiconductor-equipped assembly, drainoff anyESDon your

bodybytouching aknownearth ground. Alternatively, obtainand

wear acommerciallyavailabledischarging ESDwrist strap, which

shouldbe removed for potential shock reasons prior to applying

power to the unitunder test.

2. After removing an electrical assemblyequipped with ES devices,

place the assemblyon aconductive surface such as aluminum

foil, to prevent electrostaticcharge buildup or exposure of the

assembly.

3. Use onlyagrounded-tipsoldering iron to solder or unsolder ES

devices.

4. Use onlyan antistaticsolder removal device. Some solder

removal devices not classified as "antistatic(ESDprotected)" can

generate electrical charge sufficient to damage ES devices.

5. Donot use freon-propelled chemicals. These can generate

electrical charges sufficient to damage ES devices.

6. Donot remove areplacement ES device from its protective

package until immediatelybefore you are readyto install it. (Most

replacement ES devices are packaged with leads electrically

shorted together byconductive foam, aluminum foil or

comparableconductive material).

7. Immediatelybefore removing the protective material from the

leads of areplacement ES device, touch the protective material to

the chassisor circuitassemblyinto which the device will be

installed.

CAUTION :

Besure no power isapplied to the chassisor circuit, and observe

all other safetyprecautions.

8. Minimize bodilymotions when handling unpackaged replacement

ES devices. (Otherwise harmless motion such as the brushing

together of your clothes fabricor the lifting of your foot from a

carpeted floor can generate staticelectricity(ESD)sufficient to

damage an ES device).

3. INTRODUCTION

3.1. INTORODUCTION

This service manual contains technical information whichwill allowservice personnel’s to

understand and service this model. Please place orders using the parts list and not the drawing

reference unmbers.

If the circuit is changedormodified, this information will be followedbysupplement service

manual tobe filedwithorginal service manual.

Note 1:

These moviecameras use AC Adaptor isDE-855AB ThisAC

Adaptor issupplied as unit.

(See Parts List of thisService)

Note 2:

1. Thisservice manual does not containthe following information,

because of the impossibilityof servicing at component level.

A. SchematicDiagram, Block Diagram and MainC.B.A.

B. Parts List for individual parts of MainC.B.A.

2. The following categoryis/are recyclemodulepart. Please send it/

them to Central RepairCenter.

*MainC.B.A. (LSEP8165P1/Q1/R1/S1)

Whena part replacements is requiredforrepairing eachMainC.B.A., replace the assemblyparts.

The following circuits are containedinMainCircuit.

3.2. CAUTIONFORAC CORD / (VJA0940 TYPE)

3.2.1. INFORMATION FOR YOUR SAFETY

IMPORTANT

Yourattention is drawntothe fact that recording of pre-recordedtapes ordiscs orother

publishedorbroadcast material mayinfringe copyright laws.

WARNING

To reduce the risk of fire orshock hazard, do not expose this equipment torainormoisture.

CAUTION

To reduce the risk of fire orshock hazardand annoying interference, use the recommended

accessories only.

FOR YOUR SAFETY

DO NOTREMOVE THE OUTER COVE

To prevent electric shock, do not remove the cover. Nouserserviceable parts inside. Refer

servicing toqualifiedservice personnel.

3.3. CAUTIONFORAC MAINSLEAD

Foryoursafety, please readthe following text carefully.

This appliance is suppliedwitha mouldedthree-pinmains plug foryoursafetyand convenience.

A 5-ampere fuse is fittedinthis plug.

Shouldthe fuse needtobe replacedplease ensure that the replacement fuse has a rating of 5

amperes and it is approvedbyASTA orBSI toBS1362.

Check forthe ASRA mark orthe BSI mark on the bodyof the fuse.

If the plug contains a removable fuse coveryou must ensure that it is refittedwhenthe fuse is

replaced.

If you lose the fuse cover, the plug must not be useduntil a replacement coveris obtained.

A replacement fuse covercanbe purchasedfromyourlocal Panasonic Dealer.

If the fittedmouldedplug is unsuitable forthe socket outlet inyourhome thenthe fuse should

be removedand the plug cut off and disposedof safety.

There is a dangerof severe electrical shock if the cut off plug is insertedintoany13-ampere

socket.

If a newplug is tobe fittedplease observe the wiring code as shownbelow.

If inanydoubt, please consult a qualifiedelectrician.

3.3.1. Important

The wires inthis mains leadare colouredinaccordance withthe following code:

As the colours of the wires inthe mains leadof this appliance maynot correspond withthe

colouredmarkings identifying the terminals inyourplug, proceedas follows:

The wire whichis colouredBLUE must be connectedtothe terminal inthe plug whichis marked

withthe letterN orcolouredBLACK.

The wire whichis colouredBROWN must be connectedtothe terminal inthe plug whichis

markedwiththe letterLorcolouredRED.

Underno circumstances shouldeitherof these wires be connectedtothe earthterminal of the

three pinplug, markedwiththe letterE orthe EarthSymbol.

3.3.2. Beforeuse

remove the ConnectorCoveras follows.

3.3.3. Howtoreplace the Fuse

1. Remove the Fuse Cover with ascrewdriver.

2. Replace the fuse and attach the Fuse cover.

4. OPERATION GUIDE

5. HOW TO REPLACE THE LITHIUM BATTERY

(PROCEDURE)

1. Remove the Rear C.B.A.. (Refer to DisassemblyProcedures.)

2. Unsolder the Lithium Battery“LSSB0004” and then replace the

new one. (See Fig. B1 .)

Fig. B1

Note:

The lithiumbatteryis a critical component. (Type No.: LSSB0004.)

It must neverbe subjectedtoexcessive heat ordischarge.

It must therefore onlybe fittedinequipment designedspecificallyforits use.

Replacement batteries must be of the same type and manufacture.

Theymust be fittedinthe same mannerand location as the original battery, withthe correct

polaritycontacts observed.

Donot attempt tore-charge the oldbatteryorre-use it foranyotherpurpose.

It shouldbe disposedof inwaste products destinedforburial ratherthanincineration.

6. SERVICE NOTES (PLEASE READ)

6.1. SERVICENOTES

6.1.1. EXTENSION CABLES FOR SERVICE POSITION

Using the following Extension Cables, place the unit as shownforcheck and service.

Extension Cables (No.5 ~ No.8) are usedforimproving serviceability. (Theyare not necessarily

used.)

Note :

1. The LCD open/close SW. isfor changing between LCD Displayor

EVF Display. When turning on LCD Display, place some paper or

tape, etc. on LCD open/close SW. so that thisSW. staysON.

2. Connect the F.P.C.sto the connectors, verifying the direction of

F.P.C. as shown.

3. Use agrounded ESDwrist strap whiledisassembling the Lens

portion.

4. Use extreme care when unplugging or plugging inconnectors.

Fig. 1

6.1.2. SIMPLIFIED FAULT FINDING DATA (SELF-DIAGNOSTIC SYSTEM)

When following conditions occur, the Power LEDwill flash

according to the condition. Fig. 2-1

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