Replacement of FE Head, Overviews | Sony DVW-709WS/709WSP instruction

4-2. Parts Replacement

4-2-23. Replacement of FE Head

Overviews

Replacement

Entrance Head Assembly Removal

FE Head Removal

Harness Removal

Harness Soldering

FE head Installation

Entrance Head Assembly Installation

Adjustment after replacement

Tape Running Adjustment

Preparations

1.Check the unthreading end mode.

2.Turn the power off.

3.Remove the front lid and the outside panel. (Refer to section 1-6 of Maintenance Manual Part 1.)

Tools
. Torque screwdriver bit (for M2)	: J-6325-380-A
. Torque screwdriver (for 3 kg)	: J-6325-400-A

DVW-790WS/709WS/707 P2V1

4-107

DVW-790WSP/709WSP/707P P2V1

Image 191

Sony DVW-709WS/709WSP, DVW-790WS/790WSP manual Replacement of FE Head, Overviews

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 Illust No. Part No Description Usage Fixtures and Adjustment EquipmentFixtures 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 DC-DC Converter Using the EX-667 BoardSV-210 Board CN2CN22 DIF-75 Board Optional Board BKDW-702CN2 IC Link Disconnecting/Reconnecting Flexible Card WiresDisconnecting Reconnecting Description on CCD Block Number Description on EEPROM/NV-RAM DataSpare CCD Units Ref. No. Address Data stored Setting/Adjustment After Board ReplacementAdjusting After Eeprom Replacement Eeprom on the ES-23 Board Board Setting/Adjusting after Replacement DC Fans PrecautionSetting/Adjusting After Board Replacements 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 OFF Level 11SC-H YES Function 1/2 OFF Function 2/2 VF Setting Wide ScreenYES OFF Level 143DTL Level 243DTL Menu SEL Preknee KS on Test OUT ENC Test SAW OFF BC COMP.ADJ FIELD/FRAME YES Field Test OUT ENC VsubGain TMP MOD.BAL. TMP SAW/REC Test Level 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 Electrical Alignment Reinstalling the Front AssemblyAdjustment After Replacement Tape Running Adjustment CN3 ReinstallationAdjustment After Replacement Replacing the Boards Inside the CCD Unit 790WS/790WSP CN5 CN2CN3 CN1 CN6 CN7 CN4 Removing the Connector Box Assembly Replacing the External Connectors/SwitchesCH2, DC IN, DC OUT Connectors Removing the RM-180 Board Removing the CNB-11 BoardRemoving the CNB Stay DC OUT connector Removing the ConnectorAudio IN/AUDIO OUT connector DC in connector VF Connector MIC in Connector Power Switch, MIC in ConnectorPower Switch 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 Reinstallation Required tool Replacing the Card Door AssemblyReplacing the 40-pin Fitting Assembly About Tools General Information for Parts Replacement and AdjustmentAbout Cleaning Blade Tape Cleaner depending on model 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 Tools Basic informationPreparations 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 Blue Slip Ring Assembly RemovalInstallation Slip Ring Assembly Installation 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 Operation Ceck Installation HC Roller ReplacementVH Cleaner Assembly Installation Manual Eject Assembly Removal CUE Brush Replacement for CUE Head Operation Check Installation CUE Brush ReplacementManual Eject Assembly Installation 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 Installation Or T Idler Assembly RemovalInstallation Cleaning of the Installation Shaft 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 Timing Belt Removal Installation Cleaning of the PulleysTiming Belt Installation 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 Entrance Head Assembly Cleaning Installation CTL Head ReplacementEntrance Head Assembly Installation 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 Gear Block AssembIy InstaIIation Cleaning of the HeadCassette Compartment Installation Audio System Adjustment Video Tracking Adjustmen Reel Table Replacement Reel table removal Removal Reel Table Removal S reel table removal Reel Table Height Adjustment Installation Reel Shaft CleaningReel Table Installation 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 Tension Regulator S4 Guide Cleaning Installation Tension Regulator Arm Assembly InstallationBrake Band Installation Overviews Preparations Removal Cassette Guide Removal Disconnection Brush Assembly Connector Catcher S Removal Drawing Arm RemovalDriving Gear 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 Cleaning of the Head and the Tape Running Surface Connection the Brush Assembly ConnectorCassette Guide Installation 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 BLK GRY Harness RemovalHarness Soldering Installation FE Head Installation Installation Tape Cleaner Installation Replacement of Tape CleanerTape Cleaner Removal Tape Guide Removal Replacement of Tape Guide 114 Installation Tape Guide Installation 115 Adjustment After Replacement Tape Guide Height Adjustment 116 Attaching the Mechanical Deck Mechanical Deck ReplacementRemoving 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 Play Mode Playback at tape end FWD Mode Fast forward at tape topREW Mode Rewind at tape top REW Mode Rewind at tape end REV Mode Rewind at tape endFWD Mode Fast forward 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 RF Waveform Check Checks Play ModePlay Mode REV search mode Tape Running Check Drum exit side Tracking Adjustment Drum Exit SideVideo Tracking Re-check CUE Head Height Check CTL Head Height Adjustment Checks Play Back If the Level Increases When Pushing Up the TapeAdjustments After Adjustment CTL Head Position Adjustment CTL Head Position Adjustment CTL Head Position Re-check Adjustments CTL Head Position AdjustmentAdjustment After Adjustment CUE/TC Head Position Adjustment 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 CUE Head Head-to-tape Contact Re- check Adjustments CUE Head Head-to-tape Contact AdjustmentCUE Head Head-to-tape Contact 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 Setting upon Completion of Adjustment Servo System AdjustmentAutomatic Servo Adjustment Manual PG Phase Adjustment Automatic PG Phase Adjustment GND Audio System Adjustment1. D/A Level Adjustment 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 Gamma → on VA Gain AdjustmentS35*PRESET WHT Color Temp P Black Shading Adjustment Preset White AdjustmentShading Adjustment S32 *W-SHADING B White Shading AdjustmentS30 *W-SHADING G Test SAW → OFF Gamma Correction AdjustmentMaster Gamma Setting After Aadjustment Black Set Adjustment Flare Flare Adjustment Manual Knee and White Clip Adjustments Knee and White Clip Adjustments Preknee DCC DCC Pre Knee AdjustmentGamma → OFF Test SAW DCC D Range DCC Knee AdjustmentDCC Point → Level Depandent Adjustment Detail Signal AdjustmentCrispening Adjustment Ratio Detail Frequency Adjustment16-4. H/V Ratio Adjustment 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 S50*B-SHADING B Fine WhitepS48*B-SHADING G 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