Panasonic NV-FJ625EG User manual

ORDERNO. VRD0103011C2
VideoCassette Recorder
NV-FJ625EG / NV-FJ625EGY/ NV-FJ625B / NV-FJ625EC/ NV
-FJ625ECM/ NV-FJ625ECN / NV-FJ625ECY
Z-MECHANISM
SPECIFICATIONS
2001 Matsushita ElectricIndustrial Co., Ltd. All rights reserved.
Unauthorizedcopying and distribution isaviolation oflaw.
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1. INTRODUCTION
Thisservice manual containstechnical information whichwill allowservice personnel to
understand and service thismodel.
Ifthecircuitischangedor modified, thisinformation will befollowedbysupplementaryservice
manual tobefiledwithoriginal service manual.
Note:
1. Adjustmentprocedures, DisassemblyProcedures and Assembly
Procedures forMechanismChassisareseparate volumefromthis
service manual. / Please refertotheservice manual forZ-
MechanismChassis. (OrderNo. VRD9802005C2)
2. TheModel No. isindicatedon theSchematicDiagramand Circuit
BoardDiagramsas follows.
Model No. Indication Mark
NV-FJ625EG (A)
NV-FJ625EGY (B)
NV-FJ625B (C)
NV-FJ625EC/ECM/ECN (D)
NV-FJ625ECY (E)
2. GENERALDESCRIPTIONS
2.1. SERVICECAUTION
2.1.1. REPLACINGIC7702/EEPROM
WhentheEEPROM:IC7702 isreplaced, applicablemodel code, option codeand electrical
adjustmentdatawill notbeavailable.
Therefore, enterand/or adjustthenecessarydataafterreplacing IC7702 byreferring following
procedure.
STEP1.REPLACE THE IC7702
1. RemovetheC.B.A. withMechanismunitbyreferring the
Disassemblyprocedure.
2. Disconnect theACplug and replace theIC7702.
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STEP2.INPUTTHE MODEL&OPTIONCODE
1. Set up theapplicablemodel codeand option codebyordering the
following table.
PROCEDURE F.I.P. DISPLAY
Turn on theService Mode
1.Press theFF key and the
EJECTkey simultaneouslyfor
morethan3seconds.
ActivatetheService Mode2
2.Whilekeepplacing FF key,
press theEJECTkey intwice.
ActivatetheEntering Mode.
3.Press theEJECTkey for more
than3seconds.
SettheMode2.
4.Press theCH UP key intwice.
Display theSetting Code.
5.Press thePOWERButton to
turn thepoweron.
(Colon starts
flashing)
EntertheModel and Option Code.
6.SettheapplicableModel and Option codeby
using REW, PLAY, STOP and FF keys on the
RemoteController. (See Fig.S1&S2)
Exitfrom Service Mode.
7.Press thePOWERButton to
turn thepoweroff.
8. Press FF and EJECTkeys
simultaneouslyin6times.
(Normal
Indication)
Fig.S1Service Secreen(sample)
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Model No. Model
Code Option Code1 Option Code2 Option Code3
NV-FJ625EG/
EGY 97 (61h) 8 (08h) 244 (F4h) 6 (06h)
NV-FJ625B 99
(63h) 40 (28h) 244 (F4h) 5 (05h)
NV-FJ625EC/
ECM/ECN/
ECY
98
(62h) 8 (08h) 244 (F4h) 6 (06h)
Fig. S2Model Code&Option Code
NOTE:
Since all electrical adjustmentsdataisstill notavailable, perform theElectrical Adjustment
continuously.
2.1.2. CYLINDERUNITREPLACEMENT
1. CYLINDERUNITREPLACEMENT
A. RemovethemechanismunitfromMAINC.B.A./Chassisby
referring “SECTION2. DisassemblyProcedure”.
B. Removethe3screws(A)oftheCYLINDERUNITwithascrew
driver.
C. Unlock the4locking tabs(B)and disconnect theCylinder
fiexiblecardfromtheFPCHolder.
D. RemovetheCYLINDERUNIT.
CAUTION:
HandletheCylinderfiexiblecardwithcare. Whenitdamaged, you
shouldreplace wholeCylinderunit.
Fig. S3
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2. UPPERCYLINDERDISASSEMBLY
A. Remove2screws(A).
B. RemovetheCylinderStatorUnit.
C. Remove2screws(B).
D. RemovetheCylinderRotorUnit.
E. Loose Hex screw (C)(1.5mm)and removetheCYLINDER
RETAINER.
F. RemovetheUpperCylinder. Fig. S4
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3. UPPERCYLINDERASSEMBLY
Whenreassembling, perform thestepsinthereverse order.
Notes:
1. Install theCylinderRetainersothat the2holes on top ofthe
CylinderRetainerareat rightangles withtheP3502 Connection.
2. TightentheHex screw (C)(1.5mm)whilepressing downon top of
theCylinderRetainer. Fig. S5
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3. Install theCylinderRotorUnitsothat theinnerholeoftheCylinder
RotorUnitfits tothesmall projection (D)on top oftheUpper
Cylinder.
4. Tighten2screws(B). Fig. S6
5. install theCylinderStatorUnit.
6. Tighten2screws(A). Fig. S7
7. Confirm thePG SHIFTERADJUSTMENTwiththealignmenttape
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(PAL:VFJ8125H3F)and adjust itifnecessary.
2.1.3. CHECKINGOFMAINC.B.A.
Whenservicing theMAINC.B.A., take outtheMAINC.B.A. and mechanism from theframeand
turn over.
Fig. S8
2.1.4. FLATCARD CABLE INSTALLATION
Wheninstalling theFlatCard Cableon theconnector, install theFlatCard Cablewiththecable
contactsfacing theconnector contacts.
Fig. S9
2.2. REMOVALOFCASSETTETAPE
Thereare2ways toremove acassettetape.
1. Service Information DisplayOperation
A. Press theFF and EJECTkeyssimultaneoslyfor3secondsand
set theService Mode7.
B. Press STOPkeyinordertorotate theLoading Motorfor
unloading operation. (Payanattention oftapeslack)
2. Manual Operation
A. Disconnect theACMainsLeadand removetheTop Panel.
B. Rotate theMainCamGearclockwise until theLoading Posts
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movetofullyunloadedposition as shownin Fig. S10 . (Tapeis
remaining) Fig. S10
C. Rotate theCapstanMotorclockwise fromthebottomsideto
take up thetape. Fig. S11
D. Rotate theMainCamGearclockwise until thecassette tapeis
ejected.
2.3. INTRODUCTIONOFVIDEO HEADCLEANING CASSETTE/
(POLISHING TYPE)
1. Wearepleasedtointroduce PanasonicVideoHeadCleaning
Cassette, VFK0923FT [forservice purposes] and VFK0923FSE [for
end users] forall VHS/SVHSVCPand VCR.
2. These cleaning cassettes areexclusiveremoving thehardand
stickyclogging on videoheads.
3. These improvetheefficiencyofvideoheadcleaning service and
shortening cleaning timeforend users.
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VFK0923FT
(For Service usage)
TypeofCassette Full VHS Cassette
Cleaning Time 10 Seconds/Time
TapeLength 20 m
UsabilityinaPath 180 Times
VFK0823FSE
(For end users)
TypeofCassette Full VHS Cassette
Cleaning Time 10 Seconds/Time
TapeLength 3.34 m
UsabilityinaPath 30 Times
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