Panasonic NV-DS77 User manual

ORDERNO. VMD9807038C2
Digital VideoCamera/Recorder
NV-DS77
Q1-MECHANISM
EG/B
SPECIFICATIONS
1998 Matsushita ElectricIndustrial Co., Ltd. All rights reserved.
Unauthorizedcopying and distribution isaviolation oflaw.
1. INTRODUCTION
Note 1:
These movie camera uses AC AdaptorVW-AD7E/B/A.
This Service Manual forAC Adaptoris separate volume.

OrdernumberforVW-AD7E/B/A VMD9807039C8
Note 2:
This service manual does not containthe following information because of the impossibilityof
servicing atcomponent level.
1. Schematicdiagramand C.B.A. layoutofVTRMainC.B.A.
2. Parts list for individual parts ofVTRMainC.B.A.
3. Explodedviewand parts list for individual parts ofMechanism.
Whena partreplacement is requiredforrepairing VTR MainC.B.A. and/ormechanismblock,
replace the assemblyparts (VTR MainC.B.A. and/orMechanismunit).
The following circuits are containedinVTR MainC.B.A.
1. Process Circuit
2. VideoCircuit(1,2)
3. Control Circuit
4. DriveCircuit
5. MainConnection Circuit
6. Digital I/FCircuit
2. CAUTIONFORACCORD (VJA0940 TYPE)
2.1. Information for Your Safety
IMPORTANT
Yourattention is drawnto the factthatrecording of pre-recordedtapes ordiscs orother
publishedorbroadcastmaterial mayinfringe copyright laws.
WARNING
Toreduce therisk offireor shock hazard, do notexpose this
equipmenttorainor moisture.
CAUTION
Toreduce therisk offireor shock hazard and annoying
interference, use therecommendedaccessories only.
FOR YOUR SAFETY
DONOTREMOVE THEOUTER COVER
Toprevent electric shock, do not remove the cover. Nouserserviceable parts inside. Refer

servicing to qualifiedservice personnel.
2.2. Caution for ACMainsLead
Foryoursafety, please readthe following textcarefully.
This appliance is suppliedwith a mouldedthree-pinmains plug foryoursafetyand
convenience.
A5-ampere fuse is fittedinthis plug.
Shouldthe fuse needto be replacedplease ensure thatthe replacement fuse has a rating of 5
amperes and itis approvedbyASTAorBSI to BS1362
Check forthe ASRAmark orthe BSI mark on the bodyof the fuse.
Ifthe plug contains a removable fuse coveryou mustensure thatitis refittedwhenthe fuse is
replaced.
Ifyou lose the fuse cover, the plug mustnot be useduntil a replacement coveris obtained.
Areplacement fuse covercanbe purchasedfrom yourlocal Panasonic Dealer.
Ifthe fittedmouldedplug is unsuitable forthe socketoutletinyourhome thenthe fuse should
be removedand the plug cut off and disposedof safety.
There is a dangerof severe electrical shock ifthe cut off plug is insertedinto any13-ampere
socket.
Ifa newplug is to be fittedplease observe the wiring code as shownbelow.
Ifinanydoubt, please consulta qualifiedelectrician.
2.2.1. IMPORTANT
The wires inthis mains leadare colouredinaccordance with the following code:
Blue Neutral
Brown Live
As the colours of the wires inthe mains leadof this appliance maynot correspond with the
colouredmarkings identifying the terminals inyourplug, proceedas follows:
The wire whichis colouredBLUEmustbe connectedto the terminal inthe plug whichis
markedwith the letterN orcolouredBLACK.
The wire whichis colouredBROWN mustbe connectedto the terminal inthe plug whichis
markedwith the letterLorcolouredRED.
Underno circumstances shouldeitherof these wires be connectedto the earth terminal of the
three pinplug, markedwith the letterEorthe Earth Symbol.
2.2.2. Beforeuse
remove the ConnectorCoveras follows.

2.2.3. Howtoreplace theFuse
1. RemovetheFuse Coverwithascrewdriver.
2. Replace thefuse and attachtheFuse cover.
3. SERVICE INFORMATION
3.1. Service Extension Cables
No. PartNo. Pin PartName Connection Q'ty
Remarks
1VFK1443 18 FlatCable FP2201 (VTR Main)-Mecha. Cap. 1
2VFK1443 18 FlatCable FP2203 (VTR Main)-Mecha. Flex. 1
3VFK1440 10 FlatCable FP2202 (VTR Main)-Mecha. Cyl. 1
4VFK1284 24 FlatCable FP3201 (VTR Main)-HeadAmp 1
5VFK1441 8 FlatCable FP2204 (VTR Main)-Mecha. Flex. 1
6VFK1452 17 FlatCable FP4001 (VTR Main)-FP4801 (Mic Unit) 1
7VFK1453 40 FlatCable PP202 (Camera)-PS202 (CDS/AGC) 1
8VFK1442 21 FlatCable FP701 (Camera)-Lens Flex. 1
9VFK1437 110 FlatCable PS3004 (VTR Main)-PP702 (Camera) 1
10 VFK1443 18 FlatCable FP6002 (VTR Main)-Top Operation Unit 1
11 VFK1440 10 FlatCable FP1002 (Power)-S/SPowerFlex. 1
12 VFK1443 18 FlatCable FP603 (Camera)-EVF 1
13 VFK1438 80 FlatCable PP1001 (VTR Main)-PS1001 (Power) 1
14 VFK1439 30 FlatCable PP710 (Camera)-PS1002 (Power) 1
15 VFK1439 30 FlatCable PP3002 (VTR Main)-PS3002 (Multi Jack) 1
3.1.1. PinArrangementfor Extension Cable

3.2. Service Position
Fig.T1

3.3. Preparation for Electrical Adjustment
Remove Screwand EVR Coverwhichis locatedon the Side Case Unitas follows.
<Fig.E1>
Thenconnectthe following cables as showninFig. E2.
PartNo. PartName Q'ty Remarks
VFA0272 232C (M3)I/FCable 1
VFK1308E Measuring Board 1
VFK1309 EVR Connector
Board 1
VFK1317 30 PinFlatCable 2
VJA0941 DC Output Cable 1 ForAC
Adapter
VFK1164TAR3A
Setup Ring ( 30.5
mm) 1 For Collimator
<Fig.E2>

<Fig.E3>
3.4. Service Mode
Whenundesirable conditions occurred, the errorcode is displayedon the EVForLCD Monitor.
Also, the Camera LED is flashedaccording to the errorcode as follows.
DISPLAY CONDITION POWER OFF TIMING/ POWER LED FLASHING
TIMING
F01 T-Reel Lock After1 minute flashing the LED
F02 S-Reel Lock After1 minute flashing the LED
F03 Unloading Lock After1 minute flashing the LED
F04 Loading Lock After1 minute flashing the LED
F05 CylinderLock After1 minute flashing the LED
F31 Data Transmission Error Not turning OFF
F51 Focus MotorLock Not turning OFF / PowerLED is flashedat1 Hztiming
F52 Zoom MotorLock Not turning OFF / PowerLED is flashedat1 Hztiming
U10 DewDetection After18 seconds flashing the LED / PowerLED is flashed
at
timing
U11 HeadClogging Not turning OFF
3.5. Howtoreplace theLithium Battery
(Procedure)
1. RemovetheS/S PowerFlex. C.B.A. from GripCase Unit. (Referto

DisassemblyProcedures)
2. UnsoldertheLithium Battery"VL1220/1FC"and thenreplace the
newone. (See Fig. B1)
<Fig.B1>
Note:
The lithium batteryis a critical component (Type No.:VL1220/1FC ManufacturedbyPanasonic.)
/ Itmustneverbe subjectedto excessive heatordischarge. / Itmusttherefore onlybe fittedin
equipment designedspecificallyforits use. / Replacement batteries mustbe of the same type
and manufacture. / Theymustbe fittedinthe same mannerand location as the original battery,
with the correctpolaritycontacts observed. / Donot attempt to re-charge the oldbatteryorre-
use itforanyotherpurpose. / Itshouldbe disposedof inwaste products destinedforburial
ratherthanincineration.
4. GENERALDESCRIPTIONS

5. ADJUSTMENTPROCEDURES
5.1. DISASSEMBLE FLOWCHART
This flowchartindicates the disassemblysteps the cabinetparts, C.B.A. and MechanismUnitin
orderto access to items to be serviced. Whenreinstalling, performthe steps inthe reverse
order.
<Fig.F1>
5.2. DISASSEMBLY PROCEDURES
Flow-chartDisassemblyprocedure

No. Item/ Part Fig. Removal (Screw&
Other)
(1) Front Case
Unit Fig.1 Remove the DVCover and GripBelt. / 1-
Screw(A)/ 1-Screw(B)
2-Screws (C)/ 2-
Screws (D)/ Unlock-----
Locking Tab
(2) Mic Unit Fig.2 3-Screws (E)/
DisconnectFP4801.
(3) Side Case
Unit Fig.3 1-Screw(F) / 7-Screws (G) / 2-Screws (H)/ 1-
Screw(I)/ 1-Screw(J)
/ 2-Screws (K)/
DisconnectFP601/
FP602/P4201. /
Remove the Side Case
Unitwith LCD Unit.
(4) Top Case Unit Fig.3 DisconnectFP6002/
FP603. / Remove the
Top Case Unit.
(5) LCD Unit Fig.4-1 Openthe LCD Panel
as Fig. 4-1. / 2 Screws
(L)
Fig.4-2 Remove the LCD Unit
from Side Case Unit. /
3-Screws (M)/ 2-
Screws (N)/ 1-Screw
(O)
Fig.4-3 1-Screw(P)/ 1-Screw
(Q)
(6) Lens Unit Fig.5 2-Screws (R)/
DisconnectPP202/
FP701. / Remove the
Lens Unit.
(7) BatteryCase
Unit Fig.5 2-Screws (S)/ 1-Screw (T)/ 1-Screw(U)/
DisconnectFP1002/
PS1001/PS1002. /
Remove the Battery
Case Unit.

No. Item/ Part Fig. Removal (Screw&
Other)
(8) EVFC.B.A. Fig.6-1 Slide the EVFSlide
Case. / 2-Screws (V)/
Remove the EVFUnit
from Top Case Unit. /
Remove the Wind
Cover. / Remove the
EVFSlide Case.
Fig.6-2 3-Screws (W)/ Unhook
----(a)/ Unhook----(b)
(9) Camera/VTR
MainC.B.A. Fig.7-1 1-Screw(X)/ DisconnectPP702/
PS3004. / Remove the
Camera C.B.A. /
Disconnectthe
following Connectors.
/ / FP2201, FP2202,
FP2203, FP3201,
PP3002. / 1-Screw(Y)/
DisconnectFP2204. /
Unhook----(c), (d) /
Remove the VTR Main
C.B.A.
Caution for
Connection
of PS3004 &
PP702
Fig.7-2 1. Fixedthe position of the
Connector.
2. Insertthe Connector.
3. Collation of insertion.
(10) PowerC.B.A. Fig.8 1-Screw(Z)
Screw(E)/ Remove the
PowerC.B.A. from
BatteryCase Unit.
(11) Mecha. Unit Fig.9-1 Openthe Cassette
Cover(S). / Unlock the
Lock leverforCover. /
Openthe Cassette
Cover(C).
Fig.9-2 3-Screws (A)/ 3-
Screws (B)/ Remove
the Mecha. Unit.

Fig.1
Fig.2

Fig.3
Fig.4-1

Fig.4-2
Fig.4-3

Fig.5

Fig.6-1
Fig.6-2

Fig.7-1
Fig.7-2

Fig.8
Fig.9-1

Fig.9-2
5.3. DISASSEMBLY PROCEDURES OFLENS UNIT
The following flowchartdescribes orderorsteps forremoving the lens units and certainprinted
circuitboards inorderto make access to the itemneeding service.
Toreassemble the unitfollowthe steps inreverse order.
Fig.L1

Fig.L2
6. ABBREVIATIONS
7. WAVE FORMTABLE
8. BLOCK DIAGRAM
8.1. OVERALL BLOCK DIAGRAM
8.2. EVF&LCD MONITORBLOCK DIAGRAM
9. SCHEMATICDIAGRAM
9.1. INTERCONNECTIONSCHEMATICDIAGRAM
9.2. CAMERACONNECTIONSCHEMATICDIAGRAM
9.3. SENSORSCHEMATICDIAGRAM
9.3.1. SENSORICBLOCK
9.4. LENS DRIVE SCHEMATICDIAGRAM
9.4.1. LENSDRIVE ICBLOCK
9.5. SP DRIVE SCHEMATIC
9.6. LCD SCHEMATICDIAGRAM
9.7. CDS/AGCSCHEMATICDIAGRAM
9.7.1. CDS/AGCICBLOCK