Zenith XBV323 Series Servisní příručka

SERVICE MANUALProduct Type: DVD+VCRChassis: D35 (DECK), DP-7C(MD)Manual Series: XBV323Manual Part #: 3829RVN006PModel Line: FProduct Year: 2003Summary

3-1SECTION 3ELECTRICALCONTENTSOVERALL WIRING DIAGRAM...3-2VCR PARTELECTRICAL ADJUSTMENTPROCEDURES...

MAINTENANCE/INSPECTION PROCEDURE4-19(3) F/E Head(5) Drum Assembly(Video Head)(4) P2 BaseAssembly(2) Tension Post(1) Supply Reel(6) P3 Base AssemblyThe

MAINTENANCE/INSPECTION PROCEDURE4-20The recording density of a VCR (VCP) is much higher thanthat of an audio tape recorder. VCR (VCP) components mustb

MAINTENANCE/INSPECTION PROCEDURE4-21(1) Greasing guidelinesApply grease, with a cleaning patch. Do not use excessgrease. It may come into contact with

4-22GEAR , F/R GEAR AY, P2 & P3F/R LeverTension BaseBoss CAM

MECHANISM TROUBLESHOOTING GUIDE4-23Is the supply to the END sensorEND sensor "H"?“H”: more than 3.5V“L”: less than 0.7V~1VIs the voltage acr

4-24MECHANISM TROUBLESHOOTING GUIDEAre there T/up and supply reelpulses. In Play/Cue/Rev is the pinchroller in contact with the capstanshaft.Replace R

4-25MECHANISM TROUBLESHOOTING GUIDEIs the Pinch Roller attached to the Capstan Motor Shaft?Check Alignment positions(page 4-14)Does the T/Up Reel turn

MECHANISM TROUBLESHOOTING GUIDE4-26Does the Lever AssemblySwitch work?Is the Lever Assembly SwitchSpring damaged or omitted?Does the CST IN Switch wor

MECHANISM TROUBLESHOOTING GUIDE4-27Does the CST insert?Does the Opener Lid work?Is the Door opener assembled correctly?Replace the Lid Opener.Replace

4-28EXPLODED VIEWS117103105117100106107A21114113112110115A24116102A23032A22109054054A100A100B1. Front Loading Mechanism Section

OVERALL WIRING DIAGRAM3-2PMC01CFG12VA(CAP)5.2VACAP REV'H'I-limitMOTOR GNDGND12VA(DRUM)CAP CTLLD INDFG/FGDRUM CTL1234567891011121234567891011

EXPLODED VIEWS4-29401402001008011 031079017032024406020021028019018029030026A03A04A01002002A025027022003004006007010405014015009409013023016405012402O

EXPLODED VIEWS4-30051052517061056058518052A055060410070069076032077068064066065067A11078A12OPTIONAL PART3. Moving Mechanism Section (2)

MEMO

DECK MECHANISM PARTSLOCATIONS• Top View...5-1• Top View(without Tray Disc) ...5-1• Bottom

5-1DECK MECHANISM PARTS LOCATIONStarting No.11, 21, 2, 31, 2, 3, 411, 61, 2, 61, 2, 6, 81, 2, 6, 8,91, 2, 71, 2, 71, 21, 2 ,131, 2, 13, 141, 2, 7, 12,

5-2DECK MECHANISM DISASSEMBLY1.Holder Clamp (Fig. 5-1)1) Release 2 Screws(S1).2) Unhook 2 Locking Tabs(L1).3) Lift up the Holder Clamp and then separa

5-3DECK MECHANISM DISASSEMBLY3.Base Assembly Sled (Fig. 5-3)1) Release 4 Screw(S2).2) Disconnect the FFC Connector(C1)3-1. Gear Assembly Feed3-2. Gear

5-4DECK MECHANISM DISASSEMBLY5. Frame Assembly Up/Down (Fig. 5-4)Put the Base Main face down(Bottom Side)1) Release the Screw(S4)2) Unlock the Locking

EXPLODED VIEWS1. Deck Mechanism Exploded View429429026010018013014017015015A011430431011A012004001002003A01A020204304304304300120214334330120120280224

3-3ELECTRICAL ADJUSTMENT PROCEDURES1. Servo Adjustment1) PG Adjustment• Adjustment And Specification• Test Equipmenta) OSCILLOSCOPEb) NTSC MODEL : NTS

6-1SECTION 6 REPLACEMENT PARTS LIST MODEL : XBV323(VC641MK) HA1UZZ(ZENITH) NSP : Not avallable as service parts.RUN DATE :04-JULY-03S

6-2S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS022 4681R-0038B MOTOR ASSEMBLY DECK/MECHA FEED DP-7C (SH) CNT024 4470R-0131A GEAR PINIO

6-3S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC342 0CE1054K638 CAPACITOR,ELECTROLYTIC 1.0M SRA/SS50V M FM5 TP(5)C343 0CH1223K516 CAP

6-4S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC590 0CH1105F946 CAPACITOR,CHIP[CERAMIC M/L HD 1UF 16V Z Y5V(F) 2012 R/TPC592 0CE1064F6

6-5S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC844 0CH1472K516 CAPA,CHIP CERAMIC M/L H.D F/S 4700P 50V K B 2.0*1.25 R/TPC845 0CH11

6-6S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSMS501 6600JB8005C SWITCH,MODE MMS00721ZMB0 MIC 5VDC 1MA D-35MS501 6600JB8005B SWITCH,MO

6-7S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR340 0RH1501D622 RESISTOR,METAL GLAZED(CHIP) 1.5K OHM 1 / 10 W 2012 5.00% DR341 0RH1000

6-8S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR558 0RH2202D622 RESISTOR,METAL GLAZED(CHIP) 22K OHM 1 / 10 W 2012 5.00% DR563 0RH4701D

6-9S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR814 0RH7501D622 RESISTOR,METAL GLAZED(CHIP) 7.5K OHM 1 / 10 W 2012 5.00% DR817 0RH1502

3-4VCR ELECTRICAL TROUBLESHOOTING GUIDE1. Power(SMPS) CIRCUITNO 5.3VA.Replace F101.(Use the same type)Is F101 normal?Is R101 normal?Is BD101 normal?NO

6-10S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR616 0RD3301F608 RESISTOR,FIXED CARBON FILM 3.3K OHM 1/6 W 5% TA26R617 0RD4701F608 RES

6-11S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC131 624-082H CAPACITOR CE 1000UF/10V SHL(10*12.5)T/PC132 624-085D CAPACITOR CE 47UF/5

6-12S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR154 0RD1001F608 RESISTOR,FIXED CARBON FILM 1K OHM 1/6 W 5% TA26R155 0RD1802F608 RESIS

6-13S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS029 4261R-0019C ARM ASSEMBLY DECK/MECHA PINCH029 4261R-0019B ARM ASSEMBLY PINCH029 426

6-14S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKS*** SUB PWB(PCB) ASSEMBLY(DVD) *** A46A 6885R-2202C SUB PWB(PCB) ASSEMBLY 555300

6-15S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC297 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TPC298 0CH110

6-16S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC534 0CH4330K412 CAPACITOR,CHIP[CERAMIC M/L TC 33P 50V J COG 1.6X0.8 R/TPC535 0CH1104K

6-17S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSC605 0CH1104K942 CAPACITOR,CHIP[CERAMIC M/L HD 0.1UF 50V Z Y5V(F) 1508 R/TPC606 0CH110

6-18S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR205 0RH0272C622 RESISTOR,METAL GLAZED(CHIP) 27 OHM 1 / 16 W 1608 5.00% DR206 0RH0272C

6-19S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR419 0RH8201C622 RESISTOR,METAL GLAZED(CHIP) 8.2K OHM 1 / 16 W 1608 5.00% DR420 0RH180

NO -27VA.Check or ReplaceD108.(7) No -27VAVCR ELECTRICAL TROUBLESHOOTING GUIDE3-5NO 5V.5.3VA Line Check.Is 5.3VA put intoQ160 Emitter?Is about 5V put

6-20S AL LOCA. NO. LG PART NO. DESCRIPTION SPECIFICATION REMARKSR5C3 0RH1500C422 RESISTOR,METAL GLAZED(CHIP) 150 OHM 1 / 16 W 1608 1.00% DR5C4 0RH1500

3-6VCR ELECTRICAL TROUBLESHOOTING GUIDENO 8V.Check or ReplaceD110.Is Vcc(13V) supplied to(+) terminal in D114?Is Q162 Base “H”?Is Vcc(12V) suppliedto

3-72. SYSTEM/KEY CIRCUIT(1) AUTO STOP(2) The unstable loading of a Cassette tapeAuto StopDoes the SW30 waveformappear at IC501 Pin18?Do the T-UP Reel

3-83. SERVO CIRCUIT(1) Unstable Video in PB MODEDoes the Noise level of thescreen changeperiodically?Do the CTL pulses appearat IC501 Pin97?Is the hei

3-9Does the CFG signal appear atPMC01 Pin1?Does the PWM signal appear at IC501Pin77?Does 2.8V appear at PMC01?Check the PMC01 and the CapstanMotor As

3-104. OSD CIRCUIT(1) No OSD display.(2) I2C BUS CHECKKeys do not workIs 5V applied to IC501Pin79?Does LED or FLD changewhen a function button ispress

3-115. Y/C CIRCUIT(1) No Video in EE Mode,No Video in EE ModeDoes the Video signalappear at IC302Pins1, 5?Is there 5V at IC302 Pin6?Check the REG 5V L

3-123. Y/C CIRCUIT(2) When the Y(Luminance) signal doesn’t appear on the screen in PB Mode,Is 5V applied to IC301Pins23, 44, 45, 52, 68, 77?Is the Y/C

3-133. Y/C CIRCUIT(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,Is 5V applied to IC301Pins23, 44, 45, 52, 68, 77?Does the Color

3-143. Y/C CIRCUIT(4) When the Video signal doesn’t appear on the screen in REC Mode,YESYESNONOYESYESYESYESYESCheck system part(V.H/SW)Replace the IC3

3-156. Hi-Fi CIRCUIT(1) No Sound(EE Mode)No Sound.Check the SIF.IN of IC801 Pins57.Check the DVD Audio of IC801Pins12, 74.Check the AV1 Audio of IC801

3-163. Y/C CIRCUIT(2) Hi-Fi PlaybackYESYESYESNo Sound.Check the Vcc of IC801(Pins3, 5, 15, 32, 36, 46, 54).Check the Hi-Fi Selection switch.(IC801 Pin

3-17(3) Hi-Fi RECNo recorded Hi-Fi Audio SignalCheck Vcc of IC801.(Pins3, 5, 15, 32, 36, 46, 54)Check IC801 Pin37(Data), Pin38(CLOCK).YESDo Audio sign

3-187. Tuner/IF CIRCUIT(1) No Picture on the TV screenNo picture on the TVscreenDoes the Video signalappear at TU701 Pin16.YES YESIs +33V applied to T

3-19(2) No SoundNo Sound.Check the Vcc of TU701 Pins3, 14. Check 5.2V, 33V Line.NOCheck the Tuner SiF signal at IC801Pin57.YESCheck the Audio of IC801

4312TO CAP MOT12VATO SYS-27VATO SYSFD(+)TO SYSFD(-)TO DRUM MOT12VATO DVD/Hi-FiREG 12VTO DVD8VTO DVD3.3VTO TUNER33VTO SYS/Hi-Fi/Tu5.0VTO DVD5VFROM µ-CO

1-1SECTION 1SUMMARYCONTENTSPRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS ... 1-2SERVICING PRECAUTIONS ...

5.3VA5.0VGNDCAP VCCREG 12V33VDRUM VCCPWR CTL 'H'GNDHSR 'H'GNDGNDFD(-)FD(+)-27VAPMP01-PPM01123456789101112131415A.INCH S/WREG 5VCON

3-24 3-253. Y/C BLOCK DIAGRAMEP PB 'A'EP PB 'B'SP PB 'B'SP PB 'A'6459 58 57 55 54 5365677274ACCDETENVDETC-ROTR

3-26 3-274. NORMAL AUDIO BLOCK DIAGRAMIC301LA71206MSIFA_INRF_MODIC801LA72670MTUNERTU7011076DETNORMALAUDIOOUTLINE AUDIO(R) INLINE AUDIO(L) INREAR JackA

ABHi-Fi/RECIC801LA72670MA.OUTTo JACKMODULATORA.OUT(To Tu)24Hi-Fi PB 'B'Hi-Fi PB 'A'Hi-Fi REC57127411739716 426 2780A.OUT 'L&a

GNDMODE S1MODE S2MODE S3MODE S4 MODE S/WTO/FROM AVCPT-UP REELT-UP ENDSUP REEL CST.SW/REC TAP5VCS5015.3VA5.3VAES501R550LD501DECK IR LEDR553R55

NOTES) Symbol denotes AC ground.NOTES) Symbol denotes DC chassis ground.NOTE) WarningNOTE) Parts that are shaded are criti

PBREC3-34 3-352. TU/IF CIRCUIT DIAGRAM

31178914526PB Y+CREC Y+CWAVEFORM3-36 3-373. A/V CIRCUIT DIAGRAMIC301 Pin 59 is defective.Auto Tracking has failed.IC301 Pin 57 is defective.PB COLOR

PBREC100100T/WKTC3875'02. 12. 04 R13734C3-38 3-394. Hi-Fi CIRCUIT DIAGRAMNo Hi Fi Audio23 Pin is defective.No AudioIC801 Pins37, 38 aredefective

ONLY COMPONENT OPTIONONLY SVHS OPTION3-40 3-415. JACK CIRCUIT DIAGRAM

1-2IMPORTANT SAFETY NOTICEThis manual was prepared for use only by properly trained audio-video servicetechnicians.When servicing this product, under

1348 5 672WAVEFORM0R545014 5041KC542680PMTZ5.6BMTZ5.6B5 6 7 84 3 2 1R50210072 71 99R501100IC501M37762IC503'02. 12. 04 R13732CFROM TO JACKEEPROM2

3-44 3-457. TIMER CIRCUIT DIAGRAM

3-46 3-47• WAVEFORMS* IC301 WaveformIC301 Pins 20, 21, 22 100mV/10msec DIVVV/EE20 Main DE Emphasis Filter21 Main DE Emphasis out22 Clamp in IC301 Pin

3-48 3-49• CIRCUIT VOLTAGE CHARTEE PLAYMODEPIN NO.2.32.292.292.292.312.302.312.312.254.9310.971.921.5502.372.3902.461.733.074.9600.361.831.472.252.322

LOCATION GUIDE3-50 3-51PRINTED CIRCUIT DIAGRAMS1. VCR P.C.BOARD

3-52 3-532. KEY 1(LEFT) P.C.BOARD LOCATION GUIDE3. KEY 2(RIGHT) P.C.BOARD LOCATION GUIDE

3-54 3-554. POWER P.C.BOARD LOCATION GUIDENOTES) WarningNOTES) Parts that are shaded are criticalNOTES) With respect to ris

3-56ELECTRICAL TROUBLESHOOTING GUIDE1. System operation flowPower OnNoYesYesYesNoNoNoShow LOGOTray Closed?Tray Close to Closed positionSLED Moves to I

3-572. Test & debug flowTESTCheck the POWER PARTNoYesNoYesNoNoNoYesYesYesCheck the POWER PARTCheck the regulators or diode(D601).Check the cable c

3-58ABRESET or Power On.Show LOGO?FlashMemory operatesproperly?Check connection lines between FLASH& MT1379 and the FLASH access timewhether is su

1-3SERVICING PRECAUTIONSCAUTION: Before servicing the DVD+VCR covered by thisservice data and its supplements and addends, read and fol-low the SAFETY

3-59BNoYesOKYesYesNoYesYesYesNoYesNoNoNoNoDoesthe SLED moveto inner side when it is atouter position?Motor Driver STBYPin is High?Motor Driver STBYPin

3-60CNoNoNoNoNoNoYesYesYesYesYesYesYesYesNoNoLaser turns on whenreading disc?LD01 or LD02 outputproperly?Check the laser power circuiton MT1336 and co

3-61DYesYesNo NoYesYesYesYesYesYesYesNoNoNoNoNoNoFocus ON OK?Track On OK?Disc is play?EPropersignals on A, B, C,D of MT1336Check connections betweenMT

3-62ENOYES YESYESNONONormalAudio outputwhen disc playback?TEST ENDAudioDAC receivedcorrect data stream?NormalAudio DACout? (IC401)Check Audio filter,

DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL1) MT1379 main clock is at 27MHz(X501)3.8V, 27MHzFIG 1-1

3-643) RS232 waveform during procedure(Downloading)TXD(J6 PIN3)RXD(J6 PIN 2)FIG 1-34) Flash R/W enable signal during download(Downloading)FRD(IC5A1 PI

3-652. SDRAM CLOCK1) MT1379 main clock is at 27MHz(X501)(IC502,IC503 PIN 35)DCLK = 93MHz, Vp-p=2.2, Vmax=2.7VFIG 2-13. TRAY OPEN/CLOSE SIGNAL1) Tray o

3-662) Tray close waveformOPEN((CN203 PIN 3)CLOSE(CN203 PIN 2)TROPEN(IC202 PIN 1)TRCLOSE(IC202 PIN 2)FIG 3-23) Tray open waveformOPEN((CN203 PIN 3)CLO

3-674. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)FMSO(2.0V/1.4V/1.0V)(IC501 PIN 19)STBY(5V) – (IC201 PIN 50)SL+(4.7V/3.6V/1.9V)(IC202 PIN 12)SL-(

3-686. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION)MDI1(0V/180mV)(IC201 PIN 124)LD01(5.0V//3.5V)IC201 PIN 125)LD02(5.0V/3.6V)(IC201 PIN 126)F

1-4SPECIFICATIONSGeneralPower requirements AC 120V ,60 HzPower consumption 23WDimensions (approx.) 430 X 97.5 X 293 mm (16.9 x 3.9 x 11.5 inches)(w x

3-69F+(IC202 PIN 9)FE(IC201 PIN 18)RFL(IC201 PIN 19)FIG 7-2 (DVD)F+(IC202 PIN 9)FE(IC201 PIN 18)RFL(IC201 PIN 19)FIG 7-3 (CD)

3-70F+(IC202 PIN 9)FE(IC201 PIN 18)RFL(IC201 PIN 19)FIG 7-4 (CD)8. FOCUS ON WAVEFORMSFE(IC201 PIN 18)FOSO(IC501 PIN12)F+(IC202 PIN 9)F-(IC202 PIN 8)FI

3-71FE(IC201 PIN 18)FOSO(IC501 PIN12)F+(IC202 PIN 9)F-(IC202 PIN 8)FIG 8-2 (CD)9. SPINDLE CONTROL WAVEFORMS (NO DISC CONDITION)DMSO(1.4V/1.8V)(IC501 P

3-7210. TRACKING CONTROL RELATED SIGNAL(System checking)TE(IC201 PIN 21)TRSO(IC501 PIN 13)T-(IC202 PIN 7)T+(IC202 PIN 6)FIG 10-1(DVD)TE(IC201 PIN 21)T

3-7311. RF WAVEFORMRFOP(2.3V/1.1V)(IC201 PIN 6)RFON(0.8V/2.0V)(IC201 PIN 7)FIG 11-112. MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF)(IC501 PIN 153)

3-7413. MT1379 VIDEO OUTPUT WAVEFORMS1) Full colorbar signal(CVBS)(IC604 PIN 23)FIG 13-12) Y(IC604 PIN 21)FIG 13-2

3-753) C(IC604 PIN 26)FIG 13-314. AUDIO OUTPUT FROM AUDIO DAC1) Audio L/RFIG 14-1(JK601 PIN 4,5)

3-762) Audio related SignalASDAT3(IC501 PIN 157)ABCK(IC501 PIN 148)ALRCK(IC501 PIN 149)ASDATA3FIG 14-2

3-77BLOCK DIAGRAMS1. Overall Block DiagramMMDISCSPINDLEMOTORLOADINGMOTORDECK MECHANISMDVD:RF0,A,B,C,DCD:RF0,A,B,C,D,E,FPICKUPKEY InputB/PbIC5A129LV80

3-78IC202LA6560Motor DriverDVD: A,B,C,D, RFO CD: A,B,C,D, E, F,RFOSP+, SP-M/DPICKUPX501IC501MT1379DVDPLAYERCOMBOCHIPIC201MT1336ERF SignalProcessorFOSO

2-1SECTION 2CABINET & MAIN CHASSISCONTENTS1. EXPLODED VIEWS ...

3-793. MPEG & MEMORY Block DiagramIC503SDRAM16MIC505EEPROMIIC501 (MPEG + DSP )MT1379IC5A1FLASH MEMORY(8 M )IC510 (74HCT244)Voltage level shiftVID

3-804. VIDEO & AUDIO Block DiagramIC5C1VIDEO 6dBAmpIC401AUDIO DAC(2CH)IC402(OP Amp)LPF&BufferCVBSCOMPONENT (R.G.B) / (Y.Pb.Pr )SUPER VIDEO (Y/

System not working orscreen is abnormalNo Power onNo Videosignal.Video signal YVideo signal ColorDigitron will not displaySystem not workingProgram do

No CD/DVD LD3-83 3-842. RF & DSP SERVO CIRCUIT DIAGRAM

3-85 3-863. AUDIO CIRCUIT DIAGRAM

3-87 3-884. AV/JACK CIRCUIT DIAGRAM

3-89 3-90• CIRCUIT VOLTAGE CHARTPIN STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY1 1.03 2.99 0 0 1.22 1.22 3.27 3.28 00002 5.11 5.08 0 0

3-91 3-92PIN STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY STOP PLAY161 0 1.27162 0 2.35163 0 0164 0 0.73165 0 3.27166 0 0.5167 0 0168 0 0.53169 0

LOCATION GUIDE3-93 3-94PRINTED CIRCUIT DIAGRAMS1. MTR P.C.BOARD

2-2EXPLODED VIEWS1. Cabinet and Main Frame SectionA43A42A49280465250467467467284283LD601300330276260A46A46AA48A00A262854574574574574674674522744523303

DECK MECHANISM PARTSLOCATIONS• Top View . . . . . . . . . . . . . . . . . . . . . . . . .4-1• Bottom View . . . . . . . . . . . . . . . . . . . . . .

DECK MECHANISM PARTS LOCATIONS4-14632795111816191719121315101311481533• Top View• Bottom View20242320242221293029302532272628NOTE: When reassembly per

4-2DECK MECHANISM DISASSEMBLY(S3)(S2)(S2)(S3)(A)StatorCarbon BrushDrum MotorRotorDrum Sub AssemblyFPC Drum(S1)(S1)(S1)FPC HolderH1H21. Drum Assembly (

DECK MECHANISM DISASSEMBLY4-3(B)(E)(C1)(C)Top PlateF/L Arm AssemblyS/W Spring LeverF/L Gear Rack AssemblyChassisDoor OpenerL/D Motor Bracket AssemblyC

4-4DECK MECHANISM DISASSEMBLY2. Top Plate Assembly (Fig. A-2-1)1) Pull the (B) portion of the Top Plate back in direction ofarrow and separate the rig

DECK MECHANISM DISASSEMBLY4-59. Cleaner Arm Assembly (Fig. A-3-1)1) Carefully pry tab "A" (see Fig.A-3-1) to clear theembossed tab on the ch

4-6DECK MECHANISM DISASSEMBLYT Brake AssemblyTB Spring(H9)T ReelRS Brake AssemblyRS SpringTension Arm AssemblyTension SpringS ReelTension Base(H11)(H1

DECK MECHANISM DISASSEMBLY4-7Lid OpenerPinch ArmAssemblyP4 Base AssemblyT/up ArmT/up Lever(A)(B)(C)(C)(H13)(B)(H13)ChassisFig. A-516. P4 Base Assembly

4-8DECK MECHANISM DISASSEMBLYChassis(S5)Capstan BeltCapstan MotorWasher(W1)F/R LeverD35 Clutch AssemblyCapstan Brake Assembly(L1)(L2)(L1)Fig. A-620. C

2-32. Packing Accessory SectionBATTERY808BAG804PACKING803806INSTRUCTION ASSEMBLY CABLE(COAXIAL)810CABLE ASS'Y RF801REMOCON900BOX CARTON802PACKING

DECK MECHANISM DISASSEMBLY4-9Drive GearWasher (W2)Cam GearSlider PlateTension LeverSpring LeverLoading BaseSector Gear(L3)(H15)(H16)(H14)(A)ChassisDri

4-10DECK MECHANISM DISASSEMBLYP3 Gear AssemblyP2 Gear AssemblyP2 Base AssemblyP3 Base Assembly(A)(B)ChassisP2 Gear Assembly HoleSector Gear Hole(A)Sli

DECK MECHANISM DISASSEMBLY4-11(A)(B) (C)(S7)Idler Arm Jog AssemblyLoading BaseTension BaseChassis(D)Fig. A-931. Loading Base (Fig. A-9-1)1) Remove the

DECK MECHANISM DISASSEMBLY4-12• Tools and Fixfures for Service1. Cassette Torque meterSRK-VHT-303 (Not SVC part)Part No: D00-D0064. Torque gauge adapt

DECK MECHANISM ADJUSTMENT4-13Purpose:To determine if the Mechanism is in the correct position, when a Tape is ejected.1. Mechanism Alignment position

4-14DECK MECHANISM ADJUSTMENTPurpose: To insure smooth Transport of the Tape during each Mode of Operation.If the Tape Transport is abnormal, then che

DECK MECHANISM ADJUSTMENT4-154.Guide Roller Height AdjustmentAdjustment Procedure1) Confirm that the Tape runs along the Tape Guide Line of theLower D

4-16DECK MECHANISM ADJUSTMENT5. Audio/Control (A/C) Head Adjustment10.9Purpose: To insure that the Tape's Audio and Control Tracks pass accuratel

DECK MECHANISM ADJUSTMENT4-17Purpose: To obtain compatibility with other VCR (VCP) Models.5-2. Confirm that the Tape passes smoothlybetween the Take-u

4-18DECK MECHANISM ADJUSTMENTPurpose: To correct for shift in the Roller Guide and X value after replacing the Drum.8-2. Check for tape curling or jam