Panasonic OmniVision PV-QV200 Bedienungsanleitung

ORDERNO. MKE0001000C1

VideoCassette Recorder

PVQ-V200 / PV-V4020 / VHQ-400 / VHQ-40M/ PV-V4520 / PV-

V4540

SPECIFICATIONS

2000 Matsushita-Kotobuki Electronics Industries LTD. All rights

reserved. Unauthorizedcopying and distribution isaviolation of

law.

1. SAFETY PRECAUTIONS

GENERALGUIDELINES

1. IMPORTANTSAFETY NOTICE

Therearespecial components usedinthisequipmentwhichare

importantfor safety. These parts aremarkedby inthe

SchematicDiagrams, CircuitBoardLayout, ExplodedViewsand

ReplacementParts List. Itisessential that these critical parts

shouldbereplacedwithmanufacturer's specifiedparts toprevent

shock, fireor otherhazards. Donotmodifytheoriginal design

withoutpermissionofmanufacturer.

2. AnIsolation Transformershouldalwaysbeusedduring the

servicing ofVCR whose chassisisnotisolatedfrom theAC

powerline. Use atransformerofadequate powerrating as this

protects thetechnicianfromaccidents resulting inpersonal injury

from electrical shocks. Itwill alsoprotect VCR from being

damagedbyaccidental shorting that mayoccur during servicing.

3. Whenservicing, observetheoriginal leaddress. Ifashortcircuit

isfound, replace all parts whichhavebeenoverheatedor

damagedbytheshortcircuit.

4. Afterservicing, see toitthat all theprotectivedevices suchas

insulation barriers, insulation papersshieldsareproperly

installed.

5. Afterservicing, make thefollowing leakagecurrentchecks to

preventthecustomerfrom being exposedtoshock hazards.

LEAKAGECURRENTCOLD CHECK

1. Unplug theACcord and connect ajumperbetweenthetwo

prongson theplug.

2. Measuretheresistance value, withanohmmeter, betweenthe

jumperedACplug and eachexposedmetalliccabinet parton the

equipmentsuchas screwheads, connectors, control shafts, etc.

Whentheexposedmetallicparthas areturn pathtothechassis,

thereading shouldbebetween1M and 5.2M . Whenthe

exposedmetal does nothaveareturn pathtothechassis, the

reading must beinfinity.

LEAKAGECURRENTHOTCHECK

(See figure 1.)

1. Plug theACcord directlyintotheACoutlet. Donotuse an

isolation transformerfor thischeck.

2. Connect a1.5k , 10 Wresistor, inparallel witha0.15 F

capacitor, betweeneachexposedmetallicparton theset and a

good earthground, as showninfigure1.

3. Use anACvoltmeter, with1k /V or moresensitivity, tomeasure

thepotential across theresistor.

4. Check eachexposedmetallicpart, and measurethevoltageat

eachpoint.

5. Reverse theACplug intheACoutlet and repeat eachoftheabove

measurements.

6. Thepotential at anypointshouldnotexceed0.75 V RMS. A

leakagecurrenttester(Simpson Model 229 or equivalent) maybe

usedtomake thehotchecks. Leakagecurrentmust notexceed1/

2mA. Incasea measurementisoutsideofthelimits specified,

thereisapossibilityofashock hazard, and theequipmentshould

berepairedand recheckedbeforeitisreturnedtothecustomer.

Figure 1

2. PREVENTIONOF ELECTRO-STATICDISCHARGE

(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, some field-effecttransistors and semiconductor"chip"

components. The following techniques shouldbe usedto helpreduce the incidence of

component damage causedbyelectrostatic discharge (ESD).

1. Immediatelybeforehandling anysemiconductor componentor

semiconductor-equippedassembly, drainoff anyESDon your

bodybytouching aknownearthground. Alternatively, obtain

andwearacommerciallyavailabledischarging ESDwrist strap,

whichshouldremoveelectrostaticchargefor potential shock

reasonsprior toapplying powertotheunitundertest.

2. Afterremoving anelectrical assemblyequippedwithES devices,

place theassemblyon aconductivesurface suchas aluminum

foil, topreventelectrostaticchargebuildup or exposureofthe

assembly.

3. Use onlyagrounded-tipsoldering iron tosolderor unsolderES

devices.

4. Use onlyanantistaticsolderremoval device. Somesolder

removal devices notclassifiedas "antistatic(ESDprotected)"can

generate electrical chargesufficienttodamageES devices.

5. Donotuse freon-propelledchemicals. These cangenerate

electrical charges sufficienttodamageES devices.

6. DonotremoveareplacementES device from its protective

packageuntil immediatelybeforeyou arereadytoinstall it. (Most

replacementES devices arepackagedwithleadselectrically

shortedtogetherbyconductivefoam, aluminum foil or

comparableconductivematerial).

7. Immediatelybeforeremoving theprotectivematerial from the

leadsofareplacementES device, touchtheprotectivematerial to

thechassisor circuitassemblyintowhichthedevice will be

installed.

CAUTION:Besureno powerisappliedtothechassisor circuit,

and observeall othersafetyprecautions.

8. Minimizebodilymotionswhenhandling unpackagedreplacement

ES devices. (Otherwise harmless motion suchas thebrushing

togetherofyour clothes fabricor thelifting ofyour footfrom a

carpetedfloor cangenerate staticelectricity(ESD) sufficientto

damageanES device).

"NOTEto CATVsysteminstaller:

This reminderis providedto call the CATVsysteminstaller's attention to Article 820-22 of the

NEC thatprovides guidelines forpropergrounding and, inparticular, specifies thatthe cable

ground shall be connectedto the grounding systemof the building, as close to the point of

cable entryas practical."

3. OPERATIONGUIDE

4. SERVICE NOTES (PLEASE READ)

4.1. SERVICE NOTES

4.1.1. SIMPLIFIEDFAULT FINDINGDATA

SimplifiedSelf-Diagnostic Systemfacilitates finding the cause of the fault. A4 digitfaultcode

will be displayedinF.I.P.

The SimplifiedFaultfinding data is storedinthe MemoryIC (IC6005). This data is clearedafterit

is displayed, and thenthe POWER button is pressedback on.

1. Withpowerturnedoff, press VCR/TV button on VCR (for over3

secondsifVCR isnotinshutoff condition).

Fig. 1-1

2. Faultcode(4 digitnumber)will bedisplayedinF.I.P. as shown.

Fig. 1-2

Fig. 1-3

Fig. 1-4

Fig. 1-5

Fig. 1-6

3. Whilepressing VCR/TV button on VCR withpowerturnedoff,

press anyoperation button on eitherVCR, or remote todetect that

akeyhas beenpressed.

The1st digitchanges to"0"onlywhenkeyisdetected.

Fig. 1-7

4. When1to4listedinLock codeoccurs, Lock data will bestored

intoEEPROMIC(Currentdata, Last Lock data, and theLast Lock

data beforelast). Lock data displayedinF.I.P. will bechangedby

pressingCH DOWNbutton.

Fig. 1-8

Note:

1. Lock data will bekeptafterACCord isunplugged.

2. When1to4listedinLock codeoccurs, theVCR goes intoVCR

shut-off condition. VCR stopsand all VCR function buttons

exceptfor powerbecomenon-operational.

4.1.2. USAGE SCREENMODE

This function displays the Total lapsedtime with poweron (day)and the Total lapsedtime with

Cylinderrotation (hour)on the TVmonitor.

1. Withpowerturnedon withoutacassette, press VCR/TV button on

VCR and 7keyon remote together.

TheUSAGE SCREENwill bedisplayedon theTV Monitor.

Fig. 1-9

Note:

Afterreplacing theCylinderUnit, press COUNTERRESETbutton

on remote inthismode. OnlyTotal lapsedtimewithCylinder

rotation (hour)will beclearedto0.

2. Torelease from UsageScreenMode, press anyoperation button

on VCR inthismode. VCR will return tonormal operation mode.

4.1.3. EEPROM IC(IC6005), MAINC.B.A. REPLACEMENT NOTE

Afterreplacing EEPROMIC (IC6005)orMainC.B.A., be sure to performthe "PG SHIFTER

ADJUSTMENT"inELECTRICALADJUSTMENTprocedures.

4.1.4. SERVICEPOSITION

4.1.4.1. Service Position

CAUTION:

HOTCIRCUIT(Primarycircuit) exists on theMainC.B.A.

Use extremecaretopreventaccidental shock whenservicing.

4.1.4.1.1. Service Position (1)

Fig. 2-1

4.1.4.1.2. Service Position (2)

Fig. 2-2

Note:

1. Alternativemethod inService Position (2)

2piledVHS Cassette Tapes canbesubstitutedfor theFrameas

showninFig. 2-2.

2. Whenrecording inService Position (2), shorttheS-TabSW. Pins

on foil sideofMainC.B.A. toturn thisSW. on.

Fig. 2-3

3. Place thetapebetweentheCassette UpAss'yand MainC.B.A. to

get astability.

4. Whendisassembling/assembling, referto"CABINET SECTION"in

DISASSEMBLY/ASSEMBLY PROCEDURES.

4.1.5. HOT CIRCUIT

Primarycircuitexists on the MainC.B.A.

This circuitis identifiedas "HOT"on the C.B.A. and inthe Service Manual. Use extreme care to

prevent accidental shock whenservicing.

4.1.6. SERVICEMODE

Inorderto inhibitdetection of the Supply& Takeup Photo Transistors, Reel Sensor, and

CylinderLock, press and holdVCR/TVbutton and CH DOWN buttons on VCR togetherover5

seconds inpoweroff condition.

Fig. 3-1

The powercomes on and the unitgoes into service mode.

Inthis mode, Mechanismmovement canbe confirmed. Whenremoving Cassette UpAss'y, it

canbe confirmedwithout a cassette.

Torelease from this mode, press POWER button off ordisconnectAC Plug.

4.1.7. TRACKINGCENTERMODE(TRACKINGFIXAT CENTER)

Insertthe Cassette tape. Setthe unitinto Service Mode. Playback the Cassette tape. Press

PLAYbutton inPlayback mode. "TRACKINGCENTER"will be displayedon the TVmonitor. In

this mode, the tracking is fixedatcenter. (Autotracking and manual tracking functions are not

operational.)

Fig. 3-2

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