Panasonic NV-HS860EE-S User manual

ORDERNO. VRD0010030C2
VideoCassette Recorder
NV-HS860EE-S / NV-HS960EE-S
Z-MECHANISM
SPECIFICATIONS

2000 Matsushita ElectricIndustrial Co., Ltd. All rights reserved.
Unauthorizedcopying and distribution isaviolation oflaw.
1. INTRODUCTION
This service manual contains technical information whichwill allowservice personnel to
understand and service this model.
Ifthe circuitis changedormodified, this information will be followedbysupplementaryservice
manual to be filedwith original service manual.
Note:
1. Adjustmentprocedures, DisassemblyProcedures and Assembly
Procedures for MechanismChassisareseparate volumefrom this
service manual. / Please refertotheservice manual for Z-
MechanismChassis. (OrderNo. VRD9802005C2)
2. TheModel No. isindicatedon theSchematicDiagramand Circuit
Board Diagramsas follows.
Model No. Indication Mark
NV-HS860EE-S (HS860)
NV-HS960EE-S (HS960)
2. GENERALDESCRIPTIONS
2.1. SERVICE CAUTION-1
-REPLACINGIC7701, IC7703 and/orB7701-
Whenthe OSD-MicroprocessorIC7701, S-RAMIC7703 and/orBack-up batteryB7701 are
replaced, the Tape Librarydata will not be available.Therefore, back up the Tape Librarydata
first, thenperformnecessaryservicing.
NOTE:
*TheTapeLibrarysystemisachievedusing notonlythedata of
whichisrecordedon thetapebutalsothedata isstoredinS-RAM
IC7703.*Thestoreddata inS-RAMIC7703 isbackedup byusing the
powersource of:

*ACConnected:ACPowersouse
*ACDisconnected:Back-up Battery(B7701).
(NOTE:EveniftheOSDPACK C.B.A.(VEP07A30A/B) is
disconnectedfrom theVCR, thepowerisstill suppliedfrom Back-
up battery.)
2.1.1. REPLACINGPROCEDURE
2.1.1.1. PREPARATION
NOTE:
Itisnecessarythat theTapeLibrarySystemhas tooperate properly.
STEP1.BACK UPTHETAPE LIBRARYDATA
1. Connect aTV and aRFAerial leadtotheVCR and receiveoneof
TV station.
2. Record theTV programmefor at least 15 minuets intheSP or LP
modeon aCassette Tape.
2.1.1.2. REPLACEMENT
STEP2.REPLACETHEIC7701, IC7703 AND/OR B7701
1. Disconnect theACplug.
2. RemovetheC.B.A. withMechanismunitbyreferring the
Disassemblyprocedure.
3. Replace theIC7701, IC7703 and/or B7701.
STEP3.RESTORETHETAPE LIBRARYDATA
1. Using theRemote controller:
A. Press theMENU button and thentheCursor buttonstoselect
"TapeLibrary".
B. Select "Restoredata"and Press theOKbutton.
2. InserttheBacked-up cassette tapeintotheVCR. / Therestoration
ofLibrarydata starts automatically. / (Ittakes sometimetobe
completed.)
3. StoretheTapeLibrarydata accordingly.
2.2. SERVICE CAUTION-2
-REPLACINGIC6701-
Whenthe EEPROMIC6701 is replaced, propermodel code, option code and electrical
adjustment data will not be available. Therefore, enterthe necessarydata afterreplacing IC6701.
2.2.1. REPLACINGPROCEDURE
STEP1.REPLACEMENT

1. Disconnect theACplug and replace theIC6701.
STEP2.INPUTTHEMODEL& OPTION CODE
1. Set up themodel codeand option codebyordering thefollowing
table.
PROCEDURE F.I.P. DISPLAY
Turnon the Service Mode
-"Turnthe ShuttleRing to FF"*1and press
theEJECTkeysimultaneouslyformorethan
3seconds.
Activate the Service Mode 2
-"Turnthe ShuttleRing to FF"*1and press
theEJECTkeyintwice.
Activate the Entering Mode.
-Press the EJECTkeyinmorethan 3
seconds.
Setthe Mode 2.
-Press the CH UPkeyintwice.
Displaythe Setting Code.
-Press the POWER Button. / (POWER ON)
(Colon Starts
Flashing)
Enterthe Model and Option Code.
-Set the Model and Option codebyusing REW, PLAY, STOPand FF
keyson the RemoteController. (SeeFig.S1Service Screen (Sample) & S2)
Exitfrom Service Mode.
-Press the POWER Button. / (POWER OFF)
-Press FF and EJECTkeyssimultaneouslyin
6times.
(Normal
Indication)
*1:NV-HS960 only. As forNV-HS860, press the FF keyinsteadof "turning the Jog dial."
Fig.S1 Service Screen(Sample)

Model No. Model
Code Option Code 1 Option Code 2 Option Code 3
NV-HS860EE-S 216 08 117 39
NV-HS960EE-S 217 08 117 55
Fig.S2 Model Code& Option Code
NOTE:
Since all electrical adjustments data isstill notavailable, perform
theElectrical Adjustmentcontinuously.
-Turn on theService Modeby:/ (NV-HS960) / Rotating theShuttle
Ring toFF sideand press theEJECTkeysimultaneouslyfor 3
seconds. / (NV-HS860) / Pressing theFF and theEJECTkey
simultaneouslyfor 3seconds. / Thenselect theService Mode7by
repeating aboveoperation in7times.
2.2.2. CHECKINGOFMAINC.B.A.
Whenservicing the MAIN C.B.A., take out the MAIN C.B.A. and mechanismfrom the frame and
turnover.
And thenconnectthe Extension Cable (VFK2744)betweenthe POWER C.B.A. connector
(P1102)and the MAIN C.B.A. connector(P1001)as showninFig. S3.
Fig. S3
2.2.3. SERVICINGTHEPACK C.B.A.
Whenservicing the OSD Pack C.B.A. and Input/Output Pack C.B.A. and TBC Pack C.B.A. and
FSC Pack C.B.A., connections of extension cable are necessaryas shownbelow.

PartNo. PartName Pcs. Connection
VFK1567 15PEXTENSION
CABLE 4PP7703 (MAIN C.B.A.)-PS7703 (OSD Pack C.B.A.)
PP7702 (MAIN C.B.A.)-PS7702 (OSD Pack C.B.A.)
PP7701 (MAIN C.B.A.)-PS7701 (OSD Pack C.B.A.)
PP3904 (MAIN C.B.A.)-PS3904 (Input/OutputPack
C.B.A.)
VFK1568 13PEXTENSION
CABLE 1PP3905 (MAIN C.B.A.)-PS3905 (Input/Output Pack
C.B.A.)
VFK1555 8PEXTENSION CABLE 1 PP3903 (MAIN C.B.A.)-PS3903 (Input/Output Pack
C.B.A.)
VFK1564 10PEXTENSION
CABLE 1PP3902 (MAIN C.B.A.)-PS3902 (Input/Output Pack
C.B.A.)
VFK1569 5PEXTENSION CABLE 1 PP3901 (MAIN C.B.A.)-PS3901 (Input/Output Pack
C.B.A.)
VFK1635 3PEXTENSION CABLE 2 PP3751 (TBC Pack C.B.A.)-PS3751 (FSC Pack C.B.A.)
PP3502 (MAIN C.B.A.)-PS3502 (TBC Pack C.B.A.)
VFK1634 7PEXTENSION CABLE 2 PP3501 (MAIN C.B.A.)-PS3501 (TBC Pack C.B.A.)
PP3503 (MAIN C.B.A.)-PS3503 (TBC Pack C.B.A.)
VFK2744 16PEXTENSION
CABLE 1P1001 (MAIN C.B.A.)-P1102 (POWER C.B.A.)
Fig. S4
2.2.4. CYLINDERUNIT REPLACEMENT
1. CYLINDERUINTREPLACEMENT
A. Removethe3Screws(A)oftheCLINDERUNITwitha
magnetizedscrewdriver. Fig. S5

2. UPPERCYLINDERDISASSEMBLY
A. RemovetheTop Panel.
B. Removethescrew(A)and EarthPlate.
C. Movethelock pinchtotheleft sideinordertorelease the
cylinderlock.
D. Keepturning theUppercylinderclockwise and /
counterclockwise alternatelyand removetheUppercylinder.
Fig. S6
3. UPPERCYLINDERASSEMBLY
A. WhenmounttheUppercylinder, thelock ofithas tobe
released.
Keepturning Uppercylinderclockwise and / counterclockwise
alternatelyand keeppressing ituntil itismountedcompletely.
B. Movethelock pinchtorightsideinordertofixtheUpper
cylinderaftertheUppercylinderhas beenmounted.
Fig. S7

2.2.5. FLAT CARD CABLEINSTALLATION
Wheninstalling the FlatCardCable on the connector, install the FlatCardCable with the cable
contacts facing the connectorcontacts.
Fig. S8
2.3. REMOVALOFCASSETTE TAPE
There are 2 ways to remove a cassette tape.
1. Service Information DisplayOperation
A. Turn theShuttleRing toFF and Press EJECTkey
simultaneouslyfor 3secondsand set theService Mode7.
B. Press STOP keyinordertorotate theLoading Motor for
unloading operation. (Payanattention oftapeslack)
2. Manual Operation
A. Disconnect theACMainsLeadand removetheTop Panel.
B. Rotate theMainCamGearclockwise until theLoading Posts
movetofullyunloadedposition as showninFig. S9. (Tapeis
remaining)

Fig. S9
C. Rotate theCapstanMotor clockwise from thebottom sideto
take up thetape. Fig. S10
D. Rotate theMainCamGearclockwise until thecassette tapeis
ejected.
2.4. INTRODUCTIONOFVIDEO HEADCLEANING CASSETTE /
(POLISHING TYPE)
1. Wearepleasedtointroduce PanasonicVideoHeadCleaning
Cassette,VFK0923FT[for service purposes] andVFK0923FSE [for
end users] for all VHS/SVHS VCP and VCR.
2. These cleaning cassettes areexclusiveremoving thehard and
stickyclogging on videoheads.
3. These improvetheefficiencyofvideoheadcleaning service and
shortening cleaning timefor end users.

VFK0923FT
(ForService usage)
Type of Cassette Full VHSCassette
Cleaning Time 10 Seconds/Time
Tape Length 20 m
Usabilityina Path 180 Times
VFK0923FSE
(Forend users)
Type of Cassette Full VHSCassette
Cleaning Time 10 Seconds/Time
Tape Length 3.34 m
Usabilityina Path 30 Times

VFK0923FSE
(Forend users)
Note:
Thetapematerial itselfisthesameinbothtypes.
2.5. HOWTO REPLACE THE LITHIUM BATTERY
2.5.1. Backup BatteryB7701
This VTR equippedwith the Backup Battery(B7701)to backup the following memorizeddata in
the S-RAMIC7703.
1. TapeLibraryData
2. Tuning data ofSATchannels(Three figures/Channel)
2.5.2. ReplacementProcedure
Note:
Beforeproceeding thereplacement, back up theTapeLibrarydata.
(Referto"2-1.SERVICE CAUTION-1".)
[Procedure]
1. RemovetheTop Panel.(RefertoDisassemblyProcedures.)
2. UnsoldertheLithium Battery:B7701"CR2354-1GUF" whichis
locatedon OSDPACK C.B.A. and thenreplace itintonewone.(See
Fig. B1)

Fig. B1
CAUTION:
Thelithium batteryisacritical component(TypeNo.:CR2354-1GUF
ManufacturedbyPanasonic.)/ Itmust neverbesubjectedto
excessiveheat or discharge. / Itmust thereforeonlybefittedin
equipmentdesignedspecificallyfor its use. / Replacementbatteries
must beofthesametypeand manufacture. / Theymust befittedin
thesamemannerand location as theoriginal battery, withthe
correct polaritycontacts observed. / Donotattempttore-charge
theoldbatteryor re-use itfor anyotherpurpose. / Itshouldbe
disposedofinwaste products destinedfor burial ratherthan
incineration.

3. ADJUSTMENTPROCEDURES
3.1. DISASSEMBLY METHOD
3.1.1. DISASSEMBLYFLOWCHART
This flowchartindicates disassemblysteps of the cabinetparts and the circuitboards inorder
to find the necessaryitems forservicing.
Whenreassembling, performthe steps inthe reverse order.
Fig. D1
3.1.2. DETAILOFDISASSEMBLYMETHOD
1. REMOVALOFTHE TOP PANEL
Remove 4 Screws (A)
Fig. D2

2. REMOVALOFTHE FRONTPANELUNIT
Pull out JOG& SHUTTLEUNIT&
JOG DIAL(HS960 only)
Unlock 7 Tabs (B)
Fig. D3
3. REMOVALOFTHE POWERC.B.A.
Disconnect Bridge Connector(C)
Unlock 6 Tabs (D)
Fig. D4

COUTIONS:
Please payanattention todisconnect theconnector (P1001-
P1102) whichconnectedbetweenMainC.B.A. and Powersupply
unitas shownbelow. Fig. D5
Asabovedrawing, disconnect theconnector bySCREW DRIVER
from thedirection (A). / Donotdisconnect from direction (B)
because itispossibilitytodamagetheparts locatedbythe
connector.
4. REMOVALOFTHE AV FRONTC.B.A.&FRONTSWITCH C.B.A.
REMOVALOF THEAVFRONTC.B.A.
Unlock 2 Tabs (E)
REMOVALOF THEFRONTSWITCH C.B.A.
Unlock 2 Tabs (F)
Fig. D6

5. REMOVALOFTHE MECHANISMUNIT
Remove 3 Screws (G)
Remove 2 Screws (H)
Note:
Keeppressing 2 stoppers on Cassette HolderPlate and Press Cassette HolderPlate to the rear.
Fig. D7
6. REMOVALOFTHE MAINC.B.A.
Disconnect Bridge Connector(C)
Remove Screw(I)
Unlock 7 Tabs (J)
Fig. D8

7. SERVICING POSITION Fig. D9
3.2. MECHANICALADJUSTMENTPROCEDURES
Referto the Service Manual forZ-MechanismChassis. / (OrderNo. VRD9802005C2)
3.3. ELECTRICALADJUSTMENTPROCEDURES
3.3.1. TEST EQUIPMENT
The following equipment is requiredforElectrical Adjustments.
1. Dual-Trace Oscilloscope
-VoltageRange:0.005-5V/div
-FrequencyRange:DC-35MHz
-Probes:10:1/1:1
2. FrequencyCounter
-FrequencyRange:0-10MHz

-Probes:1:1
3. Universal Counter
4. Digital VoltMeter(D.V.M.)
5. VideoSweepGenerator
6. Sine-waveGenerator
7. VideoPattern Generator
8. Monitor TV
9. DC PowerSupply
10. VHS/S-VHS BlankTape
11. VHS AlignmentTape
-Parts No.:VFJ8125H3F(PAL)
3.3.2. VCR SETTING
Whenno indication inthe procedure, seteachselectoras follows.
1. TAPE SPEED:SP
2. CHANNEL:AV1/AV2/AV3
(Set tosignal inputterminal number.)
3. S-VHS SW:ON
4. 3DDNR SW:ON
3.3.3. ADJUSTMENTS

ITEM TP ADJ. MODE INPUT TAPE M. EQ. SPEC.
REMARKS
PG
SHIFTER
ADJUSTMENT
--- --- PLAYBACK --- ALIGN
MENT
TAPE
(PAL)
--- --- Referto
procedure
shownin
Fig.E5.
VIDEOEE
LEVEL
ADJUSTMENT
TP3002 VR3004STOP PAL
COLOUR
BAR
--- OSCILLO
SCOPE
1.0±0.05 (Vp-
p)
(See Fig. E1)
1. VIDEO OUT
must
terminated.
RECORDING
CURRENT
ADJUSTMENT
TW3001
(HOT)
TW3002
(COLD)
VR3002SP
RECORDING
PAL
COLOUR
BAR
S-VHS
BLANK
TAPE
OSCILLO
SCOPE
NV-HS860
C:46±4mVp-
p
NV-HS960
C:56±4mVp-
p
(See Fig.E2)
1. Set SVHS
mode.
2. Shortbetween
TW3002
TWGND.
3. Connect a
jumper
betweenTW3001(
HOT)
TW3002(COLD).
VHS
FREQUENCY
RESPONSE
ADJUSTMENT
LINE-
OUT
(TP3002)
--- SP/LP
PLAYBACK
(SELF REC.)
VIDEO
SWEEP
SIGNAL
(See
Fig. E3)
BLANK
TAPE OSCILLO
SCOPE/
VIDEO
SWEEP
GENERA
-
TOR
SP:-1±1
(dB)
(80-100%)
(See Fig. E4)
1. VIDEO OUT
must
terminated.
Referto
procedure
shownin
Fig.E6.
VXO
FREE RUN
FREQUENCY
ADJUSTMENT
(HS960 only)
TL7711 VC7701--- --- --- FREQUE
-
NCY
COUNTER
4433619±
150Hz
1. Connect
TL7714
2. Connect
TL7712
3. Connect
TL7713
4. Adjust the
frequency
VC7701.

Fig. E1 Fig. E2 Fig. E3
CONDITION:BURST
SIGNAL
(0.3Vp-p)
75ohm
TERMINATED
Fig. E4
3.3.4. PG SHIFTERADJUSTMENT / (AUTOMATIC)
PROCEDURES FIPDisplay
"Turnthe Shuttle Ring to FF"*1
and Press EJECTkey
simultaneouslyfor3 seconds.
"Turnthe Shuttle Ring to FF"*1
and Press EJECTkey
simultaneouslymore twice.
Press the EJECTkeyfor3
seconds.
Press the CH UPkeyonce.
Insertthe Alignment Tape.
(PAL: VFJ81215H3F)
This adjustment is
automaticallystarted. / (During
the adjustment, the picture will
be appearedon the monitor.)