Panasonic NV-GX7G User manual

ORDERNO.VMD0204025C8
Digital VideoCamera/Recorder
NV-GX7EG
NV-GX7EGM
NV-GX7B
NV-GX7EN
NV-GX7A
NV-GX7ENT
VOL.1
Q3-MECHANISM
1

SPECIFICATIONS
2

1
1. INTRODUCTION
1.1. INTRODUCTION
Thisservice manual containstechnical information whichwill allowservice
personnel'stounderstand and service thismodel.Please place ordersusing the
parts list and notthedrawing reference numbers.
3

Ifthecircuitischangedor modified, thisinformation will befollowedby
supplementservice manual tobefiledwithoriginal service manual.
Information for Q-Mechanismshouldbereferd totheanothermanual as below.
OrderNo. :VMD0109026C8
Note 1:
These moviecameras use AC Adaptor isVSK0581-A.
Theservice manual for AC Adaptor isseparate volume.
Ordernumberfor AC Adaptor ..........VSK0581-A:VMD0105013C8
Note 2:
1) Thisservice manual does notcontainthefollowing information, because of
theimpossibility ofsevicing at componentlevel.
1. SchematicDiagram, Block Diagramand C.B.A. layoutofMainC.B.A./ Sub
C.B.A.
2. Parts List for individual parts ofMainC.B.A./ Sub C.B.A.
3. ExplodedViewand Parts List for individual parts ofMechanismUnit.
2) Thefollowing categoryis/arerecyclemodulepart. Please send it/themto
Central RepairCenter.
*MainC.B.A. (VEP03G17K)
*Sub C.B.A. (VEP23567B)
Whenapartreplacementisrequiredfor repairing eachMainC.B.A. and/ or
Mechanismblock, replace theassemblyparts.
(MainC.B.A., Sub C.B.A. and/ or MechanismUnit)
Thefollowing circuits arecontainedinMainC.B.A.
1. MainConnection Circuit
2. Drive Circuit
3. Video1Circuit
4. Video2Circuit
5. Control Circuit
6. LCD Circuit
7. Head/ Rec AmpCircuit
8. PowerCircuit
Thefollowing circuits arecontainedinSub C.B.A.
1. Sub Connection Circuit
2. CameraCircuit
4

3. LensDrive Circuit
4. ExInputCircuit
5. DSCCircuit
6. SDAudioCircuit
1.2. FEATURECOMPARISONCHART
FUNCTION EG EGM B EN A
ENT
Card
Function (Multi MediaCard,
SD
Card)
External
DV/ VIDEOInput
MPEG4
Recording
2. CAUTIONFORACCORD (VJA0940 TYPE)
2.1. INFORMATIONFORYOUR SAFETY
IMPORTANT
Your attention isdrawntothefact that recording ofpre-recordedtapes or discs
or otherpublishedor broadcast material may infringecopyrightlaws.
WARNING
To reduce therisk offireor shock hazard, do notexpose thisequipmenttorain
or moisture.
CAUTION
To reduce therisk offireor shock hazard and annoying interference, use the
recommendedaccessories only.
FORYOUR SAFETY
DONOTREMOVE THE OUTERCOVER
To preventelectricshock, do notremove thecover. Nouserserviceableparts
inside. Referservicing toqualifiedservice personnel.
2.2. CAUTIONFORACMAINSLEAD
For your safety, please readthefollowing text carefully.
5

Thisappliance issuppliedwithamouldedthree-pinmainsplug for your safety
and convenience.
A5-amperefuse isfittedinthisplug.
Shouldthefuse needtobereplacedplease ensurethat thereplacementfuse has
arating of5amperes and itisapprovedbyASTAor BSItoBS1362
Check for theASRA markor theBSImarkon thebodyofthefuse.
Iftheplug containsaremovablefuse coveryou must ensurethat itisrefitted
whenthefuse isreplaced.
Ifyou lose thefuse cover, theplug must notbeuseduntil areplacementcoveris
obtained.
Areplacementfuse covercanbepurchasedfromyour local PanasonicDealer.
Ifthefittedmouldedplug isunsuitablefor thesocket outlet inyour homethen
thefuse shouldberemovedand theplug cutoff and disposedofsafety.
Thereisadangerofsevereelectrical shock ifthecutoff plug isinsertedintoany
13-amperesocket.
Ifanewplug istobefittedplease observe thewiring codeas shownbelow.
Ifinanydoubt, please consultaqualifiedelectrician.
2.2.1. Important
Thewires inthismainsleadarecolouredinaccordance withthefollowing code:
Blue Neutral
Brown Live
Asthecoloursofthewires inthemainsleadofthisappliance may not
correspond withthecolouredmarkingsidentifying theterminalsinyour plug,
proceedas follows:
ThewirewhichiscolouredBLUE must beconnectedtotheterminal intheplug
whichismarkedwiththeletterNor colouredBLACK.
ThewirewhichiscolouredBROWNmust beconnectedtotheterminal inthe
plug whichismarkedwiththeletterLor colouredRED.
Underno circumstances shouldeitherofthese wires beconnectedtotheearth
terminal ofthethree pinplug, markedwiththeletterE or theEarthSymbol.
2.2.2. Beforeuse
6

remove theConnector Coveras follows.
2.2.3. How toreplace theFuse
1. Remove theFuse Coverwithascrewdriver.
2. Replace thefuse and attachtheFuse cover.
7

3. SERVICE CAUTION
3.1. HOWTO DISCHARGETHECAPACITORONFRONT
C.B.A.
3.2. EEPROMDATAFORSPAREPARTSOF THEMAINC.B.A.
WhentheMainC.B.A. isreplaced, thefixedand averagedata must bechanged
byTatsujinkitaccording totheMovieCamera’ssuffix.
Then, confirmand/or adjust theVTRand Camerasection onebyone.
3.3. SERVICEEXTENSIONCABLES
Thismodelsisrequiredthefollowing extension cables for all connections.
Note 1:
Use thefollowing extension cables whenchecking or adjusting individual circuit
boardsexceptmoduleParts.
8

(MainC.B.A. and Sub C.B.A.)
Howtouse extension cables.
Fig. T1-1
9

3.4. LOCATIONFORSPARECONNECTORSOF THEMAIN
C.B.A. &SUB C.B.A.
3.4.1. MAINC.B.A.
10

3.4.2. SUB C.B.A.
4. PREPARATIONFORELECTRICALADJUSTMENT
1. Unlock thelocking taband remove theEVRconnector as shownin Fig. E1 .
2. Thenconnect thefollowing cables as shownin Fig. E2 .
Fig. E1
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Fig. E2
Fig. E3
5. SERVICE MODE
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5.1. NewErrorCodeDisplay
Conventionally, theerror codehas beendisplayedautomaticallyon theEVFor
LCD Monitor whenundesirableconditionshave occurred. WiththeNewError
CodeDisplay, theerror codehas notbeendisplayedautomaticallyas follows
exceptsomeerror codesF31(Data Transmission Error), U10(Dew)and U11(Head
Clogging).
Note:
1. Theonlysomeerror codes F31, U10 and U11 has displayedautomaticallyon
theEVFor LCD monitor as usual.
2. ThePowerLEDalsohas beenflashedfor 1min. whenundesirablecondetions
have occurred.(See below)
5.2. Viewing ErrorCode
Whendisplaying theError Codeon theEVFor LCD Monitor, pushtheFADE/
STOP and RECSTART/PAUSE buttonssimultaneouslyfor more3seconds.
Note:
Whenthecassette tapeisinserted, thisoperation will notbeworked.
13

6. HOWTO REPLACE THE LITHIUMBATTERY
(PROCEDURE)
1. Remove theSide(L)C.B.A.. (RefertoDisassemblyProcedures.)
2. UnsoldertheLithiumBattery“VSB0407”and thenreplace thenewone. (See
Fig. B1 .)
Fig. B1
Note:
Thelithiumbatteryisacritical component. (TypeNo.:VSB0407 Manufacturedby
Panasonic.)
14

Itmust neverbesubjectedtoexcessive heat or discharge.
Itmust thereforeonlybefittedinequipmentdesignedspecificallyfor its use.
Replacementbatteries must beofthesametypeand manufacture.
They must befittedinthesamemannerand location as theoriginal battery, with
thecorrect polarity contacts observed.
Donotattempttore-chargetheoldbatteryor re-use itfor anyotherpurpose.
Itshouldbedisposedofinwaste products destinedfor burial ratherthan
incineration.
7. OPERATING GUIDE
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8. ADJUSTMENTPROCEDURES
8.1. DISASSEMBLEFLOWCHART
Thisflowchartindicates thedisassemblystepsthecabinet parts, C.B.A. and
Mecha. Unitinordertoaccess tobeserviced. Whenreinstalling, performthe
stepsinthereverse order.
Fig. F1
16

8.2. DISASSEMBLYPROCEDURES
Flow-Chartfor DisassemblyProcedure
17

No. Item / Part Fig. Removal
(Screw,Connector,Flex. &
Other)
1 FrontUnit Fig.
D2 2-Screws(A),1-Screw(B)
Fig.
D3 1-Screw(C)
1-Connector FP4801
FrontUnit
2 SideCase
(R) Unit Fig. D4 1-Screw(E)
Fig.
D5 2-Screws(F)
Fig.
D6 1-Screw(G),1-Screw(H),2- Screws(I)
2-ConnectorsFP601, FP6503
SideCase (R) Unit
3 EVF/ Rear
Case Unit Fig. D7 1-Screw(J)
Fig.
D8 2-Screws(K), 1-Screw(L)
Fig.
D9 1-Screw(M), 1-Screw(N)
3-ConnectorsFP603,
FP1001, FP3402
EVF/ RearCase Unit
4LensUnit Fig.
D10 2-Screws(O)
2-ConnectorsFP701, PS201
1-Screw(P)
LensFlame(L)
LensUnit
5 Sub C.B.A. Fig.
D11 3-Connectors FP3401,FP4002,PS3001
Sub C.B.A.
6Main
C.B.A.,
Mecha.
Unit
Fig.
D12 4-Screws(Q)
4-ConnectorsFP6501,
FP6502, FP6504, FP6506
4-Tabs
MainC.B.A. / Mecha. Unit
Fig.
D13 5-ConnectorsFP2201, FP2202, FP2203, FP2204,
FP5001
MainC.B.A.
3-Screws(R)
Mecha. Unit
7Rear
Operation
Unit
Fig.
D14 Jack CoverOpen
3-Screws(S),1-Screw(T)
RearOperation Unit
18

Rear
Operation
Unit
No. Item / Part Fig. Removal
(Screw,Connector,Flex. &
Other)
8Jack
C.B.A. Fig. D15 4-Screws(U)
Jack C.B.A.
9Front
C.B.A. Fig. D16 Besuretodischargethe capacitor on FrontC.B.A.
5-Screws(V)
2-ConnectorsFP4802,FP7002
FrontC.B.A.
10 Monitor
C.B.A. Fig. D17 2-Screws(W)
LCD Unit
Fig.
D18 2-Screws(X),2-Screws(Y)
6-Tabs
LCD Case (Upper)Unit
1-Connector FP903
LCD HingeUnit
Fig.
D19 1-Connector FP901
Fig.
D20 3-Tabs
2-SolderPortion
Monitor C.B.A.
11 EVFC.B.A. Fig.
D21 1-Screw(Z)
1-Tab
RearCase Unit
EVFUnit
Fig.
D22 1-Screw(a)
4-Tabs
1-Screw(b)
EVFSlidePiece
Fig.
D23 2-Screws(c),2-Screws(d)
EVFSlideCover
EVFHingeUnit
Fig.
D24 6-Tabs
EVFCase (Lower)
EVFCase (Upper)
EVF(1)Unit
Eye CapUnit/ EVFViewAdj.
Unit
Fig.
D25 4-Tabs
2-ConnectorsFP801, FP802
EVFFlex.
EVFC.B.A.
19

Fig. D1
Fig. D2
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