Removal Entrance Head Assembly Removal, CN3 | Sony DVW-709WS/709WSP

Removal

1. Entrance Head Assembly Removal

(1)Disconnect the connector CN3 on the CTL-10 board.

(2)Remove the two screws and the entrance head assembly from the unit.

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Take care not to scratch the video heads, drum, erase head, tape guides and other parts.

	4-2. Parts Replacement
PSW 2x5
Entrance head assembly	CTL-10 board

PSW 2x5	CN3

DVW-790WS/709WS/707

4-63

DVW-790WSP/709WSP/707P P2V1

Image 147

Sony DVW-709WS/709WSP, DVW-790WS/790WSP manual Removal Entrance Head Assembly Removal, CN3

Contents

DVW-707/707P DVW-709WS/709WSP DVW-790WS/790WSP Warnung Recycling NICKEL-CADMIUM Batteries Page Table of Contents Audio IN, Audio OUT CH1, CH2, DC IN, DC OUT Mechanical Deck Parts Replacement VTR System Alignment Tape Path Adjustment DVW-790WS/709WS/707 Camera System Electrical Alignment Only for DVW-707/707P Page Purpose of this manual Contents Related manuals Fixtures and Adjustment Equipment FixturesIllust No. Part No Description Usage Illust No Description Usage Equipment Model Name Adjustment Equipment Board to be Extension board Reference Checked Using the Extension BoardsUsing the EX-655 and EX-656 Boards Procedure When extending the DCP board assembly Using the EX-657 and EX-658 Boards Using the EX-667 Board SV-210 BoardDC-DC Converter DIF-75 Board Optional Board BKDW-702 CN2CN2CN22 IC Link Disconnecting/Reconnecting Flexible Card WiresDisconnecting Reconnecting Description on EEPROM/NV-RAM Data Spare CCD UnitsDescription on CCD Block Number Ref. No. Address Data stored Setting/Adjustment After Board ReplacementAdjusting After Eeprom Replacement Eeprom on the ES-23 Board DC Fans Precaution Setting/Adjusting After Board ReplacementsBoard Setting/Adjusting after Replacement Page Data Structure Service ModeAbout the Setup Card How to Enter the Service Mode Fundamental Operation of the Setup Menu Contents of Setup Menu High White PresetMaster Gain LOW MID Write Protect Setup Card Read →CAMWrite →CARD ID Edit FIX VTR ModeFunction 2/2 DCC Function FIX/DCC/ADP.K SEL DCC Zebra Select VF Setting Zebra 1 DetectZebra 1 Aperture Zebra 2 Detect Level Skin Tone DTL Burst PhaseRGB Setup LVL ENC Setup LVL Level Gamma Table Level BlackFlare Test OUT ENC/R/G/B Iris Weight Level PhaseSC Phase Iris Mode Para AdjustmentShading G SAW WARM-COOLA Preset WHTOffset WHT Offset Whitea LOW Light Level BatteryOperation B-G SEL LOW Light Operation AWB Level Gate DelayData Reset Service Marker 2/3 Menu SEL Setup CardVF Setting Menu SEL Marker 1/3 Sensitivity ResolutionMeasurement Modulation VTR ADJ EQ Adjustment AD Gain AD Clock PhaseClock Phase ND Comp ND Detection OFF/EXEC/RESET Display Description ROM DP DIAG.STATUSMPX DTL Setup Menu List Turbo YES Setup C RM-P9 RM-B150 SET C-SET Remark Shutter EVS YES CLS Setup CVTR Mode YES OFF REC Inhibit CCU Assignable SW Remark SET Remark ENC Y Level YES Black Flare Test OUT YES Level SC 0/180 SEL RM-B150 SET C-SET Remark FRM Shutter FRM Shutter Unit YES OFF Preset WHT Color Temp P YESDelay YES REC Tally YES Upper Time Code Disp OFF Loop Recording YES Function 1/2 OFF Function 2/2 VF Setting Wide Screen YES OFF Level 143DTL Level 243DTL Menu SELYES OFF Level 11SC-H BC COMP.ADJ FIELD/FRAME YES Field Test OUT ENC Vsub Gain TMP MOD.BAL. TMP SAW/REC Test Level Test SAW OFFPreknee KS on Test OUT ENC Test SAW OFF YET AD ADJ AD Gain AD Clock Phase ND Comp ND Detection OFF MPX DTL ROM SV1 SV2 WSH Setup C RM-P9 RM-B150 F-SETPage Replacing Boards Section Parts Replacement MB-810 Board Replacing the MB-810 and MB-811 Boards MB-811 Board Replacing the HN-260 Board Removal Replacing the CI-20 and CI-21 Boards Replacing Boards Reinstallation Required tools Replacing the CCD Unit ReplacementAdjustments after replacement Replacing the CCD Unit and Its Components CN1 CN2 Removal Removing the Front Assembly DVW-790WS/790WSP/709WS/709WSP Removing the ND Filter KnobRemoving the CC Filter Knob DVW-790WS/790WSP/709WS/709WSP Removing the CCD Unit DVW-707 Reinstallation Reinstalling the CCD UnitReinstalling the ND Filter Knob DVW-790WS/709WS Reinstalling the Front Assembly Adjustment After Replacement Tape Running AdjustmentElectrical Alignment Reinstallation Adjustment After ReplacementCN3 Replacing the Boards Inside the CCD Unit 790WS/790WSP CN5 CN2CN3 CN1 CN6 CN7 CN4 Replacing the External Connectors/Switches CH2, DC IN, DC OUT ConnectorsRemoving the Connector Box Assembly Removing the CNB-11 Board Removing the CNB StayRemoving the RM-180 Board DC OUT connector Removing the ConnectorAudio IN/AUDIO OUT connector DC in connector VF Connector Power Switch, MIC in Connector Power SwitchMIC in Connector Shutter Switch Replacing the Rotary Encoder Upper DC Fan Replacing the DC Fans Lower DC Fan Replacing the Camera SW Ornamental Plate CP-329 board Camera SW ornamental plate Mm or less Inside panel Removal Required tool Replacing the Card Door Assembly Replacing the 40-pin Fitting AssemblyReinstallation Required tool General Information for Parts Replacement and Adjustment About Cleaning Blade Tape Cleaner depending on modelAbout Tools Selection Procedure into the Unthreading End Mode Threading End/Unthreading End ModeThreading End Mode Unthreading End Mode Installation Manual Eject Assembly Removal/Installation Part Name Section Index About stop washer About screwdriver and torque reading About oil and grease Overviews Upper Drum Assembly Replacement Basic information PreparationsTools Removal Brush Cover Removal Brush Assembly Removal Upper Drum Assembly Removal Desoldering the Leads of Slip Ring Assembly Installation Cleaning of Contact Surfaces Upper Drum Assembly Installation Upper Drum Eccentricity Adjustment Tool Installation Upper Drum Eccentricity Adjustment Tool Removal Upper Drum Eccentricity Adjustment Cleaning of Video Heads and Tape Running Surfaces Soldering the Leads of Slip Ring AssemblyBrush Assembly Installation Brush Cover Installation CTL Head Position Adjustment Adjustments After Replacement Tape Running AdjustmentVideo Tracking Adjustment CTL Head Height Adjustment Brush Assembly Replacement for Slip Ring 2x2 Brush assembly Brush cover Connector Installation Brush Assembly Installation Slip Ring Assembly Replacement Remove this screw first Slip Ring Assembly Removal Installation Slip Ring Assembly InstallationBlue Brush Assembly Installation Drum Assembly Replacement Disconnection of the Brush Assembly Connector Removal Video Head Cleaner Removal CN2 CN3 Drum Assembly Removal Cleaning Drum assembly Positioning pins Cleaning of Video Heads and Tape Running Surface Drum Assembly InstallationConnection of the Brush Assembly Connector Video Head Cleaner Installation Video System Adjustment CUE Head Height Adjustment Pinch Roller Replacement Removal Pinch Roller Removal Installation Install Shaft CleaningPinch Roller Installation Pinch Roller Cleaning HC Roller Assembly Replacement for Video Heads VH Cleaner Assembly Removal Removal Mode Selection Installation HC Roller Replacement VH Cleaner Assembly InstallationOperation Ceck Manual Eject Assembly Removal CUE Brush Replacement for CUE Head Installation CUE Brush Replacement Manual Eject Assembly InstallationOperation Check Brake Band Assembly Replacement Removal Band Holder Removal Brake Band Assembly Removal Brake Band Assembly Installation Installation Reel Table Cleaning FWD Back Tension Adjustment Band Holder Installation Adjustment after replacement Soft Brake Assembly Replacement Removal Soft Brake Assembly Removal Adjustment After Replacement Brake Torque Check Soft Brake Assembly Installation 10. S/T Idler Assembly Replacement Or T Idler Assembly Removal Installation Cleaning of the Installation ShaftOr T Idler Assembly Installation 4x2.5 Swing Gear Assembly Replacement Removal Removal of the Swing Gear Assembly Fixing Screw Mechanical Deck Assembly Removal Installation Swing Gear Assembly Installation Swing Gear Assembly Removal Mechanical Deck Assembly Installation Adjustment After Replacement Belt Tension Adjustment Swing Gear Assembly Fixation Timing Belt Replacement Removal Mechanical Deck Assembly Removal Installation Cleaning of the Pulleys Timing Belt InstallationTiming Belt Removal HN hole Capstan Motor Replacement Removal Manual Eject Assembly Removal Capstan Motor Removal Installation Capstan Motor Installation With drop-safe Pin of the chassis Adjustments After Replacement Belt Tension Adjustment CTL Head Replacement Removal Entrance Head Assembly Removal Installation CTL Head Replacement Entrance Head Assembly InstallationEntrance Head Assembly Cleaning Adjustments After Replacement Tape Running Adjustment CUE Head Replacement Cassette Compartment Removal Gear Block Assembly Removal CUE Head Block Assembly Removal Installation CUE Head Replacement CUE Head Block Installation Cleaning of the Head Cassette Compartment InstallationGear Block AssembIy InstaIIation Audio System Adjustment Video Tracking Adjustmen Reel Table Replacement Reel table removal Removal Reel Table Removal S reel table removal Installation Reel Shaft Cleaning Reel Table InstallationReel Table Height Adjustment Put the remaining poly washer s in the step Adjustments After Replacement FWD Back Tension Adjustment Pinch Arm Assembly Replacement Removal Pinch Arm Assembly Removal Applying Oil to Installing Shafts Installation Installing Shafts Cleaning Pinch Eoller Cleaning Pinch Arm Assembly Installation Removal Sensor Cover a Removal Sensor a Detection Pin Replacement Sensor Cover a Installation Installation Detection Pins Installation Removal Sensor Cover B Removal Sensor B Detection Pin Replacement Sensor Cover B Installation Tension Regulator Arm Assembly Replacement Removal Brake Band Removal Tension Regulator Arm Assembly Removal Installation Tension Regulator Arm Assembly Installation Brake Band InstallationTension Regulator S4 Guide Cleaning Overviews Preparations Removal Cassette Guide Removal Disconnection Brush Assembly Connector Drawing Arm Removal Driving Gear RemovalCatcher S Removal Threading Link Assembly Removal Slider Threading base Threading gear assembly installation Parts Replacement Threading Link Assembly Installation Catcher S Installation Drawing Arm Installation Driving Gear Installation 100 Connection the Brush Assembly Connector Cassette Guide InstallationCleaning of the Head and the Tape Running Surface Replacement of Loading Motor Motor Removal Pinion Gear Removal Installation Pinion Gear Installation Gear Block Assembly Installation Motor Installation Replacement of FE Head 108 Remove the one screw and remove the FE head FE Head Removal Harness Removal Harness SolderingBLK GRY Installation FE Head Installation Replacement of Tape Cleaner Tape Cleaner RemovalInstallation Tape Cleaner Installation Tape Guide Removal Replacement of Tape Guide 114 Installation Tape Guide Installation 115 Adjustment After Replacement Tape Guide Height Adjustment 116 Mechanical Deck Replacement Removing the Mechanical DeckAttaching the Mechanical Deck Tension Regulator Operating Position Adjustment Mechanical Adjustment Check Mode Selection Tension Regulator Operating Position Check Adjustment Position AdjustmentPoint for adjustment Mode Cancel Tool FWD Back Tension Adjustment Reference of adjustment Check REC Mode SettingAdjustment Eject Mode Setting Back Tension Adjustment Brake Torque Check Side Brake Torque Check Check SettingCase that the value does not meet the specification Adjustment Mode Cancel Adjustment Belt Tension Adjustment Belt Tension AdjustmentPage Index Location of Tape Path System Contents Drum Entrance Side Threading End Mode Tape Running AdjustmentChecks Play Mode Playing back the tape top Specifications FWD Mode Fast forward at tape top REW Mode Rewind at tape topPlay Mode Playback at tape end REV Mode Rewind at tape end FWD Mode Fast forward at tape endREW Mode Rewind at tape end CTL Head Height Check Checks After Adjustment Video Tracking CheckTape Running Re-check at the Drum Entrance Side Tape Running Check at the Drum Exit Side Drum Exit Side Checks Play Mode Playing back the tape top REV Mode Rewind at tape end Tape Running Check Around the Capstan Shaft Tape Running Re-check at the Drum Exit Side Adjustments T2 and T3 Guides Height AdjustmentReference for adjustment CUE Head Azimuth Adjustment Video Tracking Adjustment Checks Play Mode Play ModeRF Waveform Check REV search mode Drum exit side Tracking Adjustment Drum Exit Side Video Tracking Re-checkTape Running Check CUE Head Height Check CTL Head Height Adjustment If the Level Increases When Pushing Up the Tape Adjustments After Adjustment CTL Head Position AdjustmentChecks Play Back CTL Head Position Adjustment Adjustments CTL Head Position Adjustment Adjustment After Adjustment CUE/TC Head Position AdjustmentCTL Head Position Re-check CUE Head Height Adjustment Play back ZR2-1/P from 00 minute to 15 minute segment CUE Head Head-to-contact Check Adjustments CUE Head Height Adjustments CUE Head Azimuth Check CUE Head Azimuth Check CUE Head Head-to-tape Contact Adjustment CUE Head Head-to-tape Contact Adjustment Adjustments CUE Head Head-to-tape Contact Adjustment CUE Head Head-to-tape Contact CheckCUE Head Head-to-tape Contact Re- check CUE/TC Head Position Adjustment SV REF CF Adjustments Play BackAdjustment CUE/TC Head Position Re-check Re-check according to the steps 1 Check CUE Output Level Check CUE Output Level Check Preparation Check Procedure Power System AdjustmentBattery End Detection Voltage Adjustment Adjustment Procedure Servo System Adjustment Automatic Servo AdjustmentSetting upon Completion of Adjustment Manual PG Phase Adjustment Automatic PG Phase Adjustment Audio System Adjustment 1. D/A Level AdjustmentGND AGC Level Adjustment Output Limiter Adjustment CUE Recording Bias Adjustment CUE Playback Level Adjustment CUE Recording Level Adjustment Preparation Video System Adjustment Confirmation Procedure Playback Equalizer Automatic Adjustment Precaution Recording Current Automatic AdjustmentPage Equipment/Fixtures General Information for Electrical AdjustmentInitial Switch Settings Screen Mode Setting Initial Setting Murakami Color Research Laboratory Maintaining the Grayscale ChartHandling precautions Replacement period when the chart is used as the reference Setting Illumination when the reflective chart is used Video GEN OUT Lock VCO Cont Frequency CheckTest OUT → ENC INT SC Frequency IRE Ntsc AD Clock Phase AdjustmentAD Clock Phase Clock Phase ENC Level Adjustment ENC OUT Adjustment Chroma Adjustment Blanking Width INT SC Phase AdjustmentSC Phase Setting After Adjustment RGB Level Test OUT Level AdjustmentRGB Setup RGB Sync → CAM/ON Modulator Balance Adjustment Test SAW Adjustment Test SAW → OFF Gamma R/B AD Gain AdjustmentKnee → OFF AD Gain VA Gain Adjustment S35*PRESET WHT Color Temp PGamma → on Preset White Adjustment Shading AdjustmentBlack Shading Adjustment White Shading Adjustment S30 *W-SHADING GS32 *W-SHADING B Gamma Correction Adjustment Master GammaTest SAW → OFF Setting After Aadjustment Black Set Adjustment Flare Flare Adjustment Manual Knee and White Clip Adjustments Knee and White Clip Adjustments DCC Pre Knee Adjustment Gamma → OFF Test SAWPreknee DCC DCC Knee Adjustment DCC Point →DCC D Range Detail Signal Adjustment Crispening AdjustmentLevel Depandent Adjustment Detail Frequency Adjustment 16-4. H/V Ratio AdjustmentRatio APT.LVL Detail Level AdjustmentKnee Aperture Adjustment Knee APT Detail Black Clip Adjustment 169/43 Mode → Select the 43 mode 17-4. H/V Ratio Adjustment Detail LVL DTL H B . Clip 43 Factory setting Skin Tone Adjustment Zebra Adjustment Iris Weight Automatic Iris AdjustmentIris Mode Iris Weight → 0 MIN ND Detection → Exec Adjustment After Replacing Filter Disk Unit S06*MASTER Gain Initial Setting for SwitchesLens Iris → C Close Maintaining the Grayscale Chart Setting Illumination when the reflective chart is used GEN SC Lock OUT Video OUT Spec = 40 ± 1 IRE Ntsc = 300 ± 7 mV PAL On the setup menu, adjust as follows S40*ENC ADJ Spec 10.9 ± 0.2 us Ntsc 12.0 ± 0.3 us PAL Spec = 100 ± 2 IRE Ntsc = 700 ± 14 mV PAL Spec = 100 ± 2 IRE Ntsc = 700 ± 10 mV PAL Make sure that the carrier leakage at portion B is not S35*PRESET WHT Fine Whitep S48*B-SHADING GS50*B-SHADING B Para On the setup menu, adjust as follows S25 *LEVEL Spec ± 1 IRE Ntsc ± 7 mV PAL Spec 109 ± 2 IRE Ntsc 763 ± 14 mV PAL Spec ± 2 IRE Ntsc DCC Knee Adjustment Reduce the noise at gray portion to a 16-4. H/V Ratio Adjustment Detail Level Adjustment On the setup menu, set as follows S12*FUNCTION 1/2 Component in the saturation detection ZEBRA1 APT. LVL → 1 % Adjustment Procefure Adjustment After Replacing Filter Disk Unit DVW-790WS/709WS/707 DVW-790WSP/709WSP/707P P2V1 Sony Corporation