Tension Regulator Arm Assembly Replacement | Sony DVW-709WS/709WSP

4-2. Parts Replacement

4-2-20. Tension Regulator Arm Assembly Replacement

Overviews

Replacement

Brake Band Removal

Tension Regulator Arm Assembly Removal

Tension Regulator Arm Assembly Installation

Brake Band Installation

Tension Regulator (S4) Guide Cleaning

Adjustments after replacement

Tension Regulator Operating Position Adjustment

FWD Back tension Adjustment

Tape Running Adjustment

Note

Replacement of tension regulator arm assembly requires the new stop washer. When replacing the tension regulator arm assembly, prepare a new stop washer.

Stop washer 1.2 : 3-726-829-01 (1 piece is used.)

Preparations

1.Check that the unit is in 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
. FWD back tension measurement cassette tape	: J-6323-890-A
. Stop washer fastening tool	: J-6323-530-A
. Cleaning cloth	:	3-184-527-01
. Cleaning fluid	:	9-919-573-01

DVW-790WS/709WS/707 P2V1

4-85

DVW-790WSP/709WSP/707P P2V1

Image 169

Sony DVW-709WS/709WSP, DVW-790WS/790WSP manual Tension Regulator Arm Assembly Replacement, Adjustments after replacement

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 Fixtures and Adjustment EquipmentIllust No. Part No Description Usage Illust No Description Usage Equipment Model Name Adjustment Equipment Using the EX-655 and EX-656 Boards Using the Extension BoardsProcedure Board to be Extension board Reference Checked When extending the DCP board assembly Using the EX-657 and EX-658 Boards SV-210 Board Using the EX-667 BoardDC-DC Converter CN2 DIF-75 Board Optional Board BKDW-702CN2CN22 Disconnecting Disconnecting/Reconnecting Flexible Card WiresReconnecting IC Link Spare CCD Units Description on EEPROM/NV-RAM DataDescription on CCD Block Number Adjusting After Eeprom Replacement Setting/Adjustment After Board ReplacementEeprom on the ES-23 Board Ref. No. Address Data stored Setting/Adjusting After Board Replacements DC Fans PrecautionBoard Setting/Adjusting after Replacement Page About the Setup Card Service ModeHow to Enter the Service Mode Data Structure Fundamental Operation of the Setup Menu Contents of Setup Menu Master Gain LOW White PresetMID High Write →CARD Setup Card Read →CAMID Edit Write Protect Function 2/2 DCC Function FIX/DCC/ADP.K VTR ModeSEL DCC FIX Zebra 1 Aperture VF Setting Zebra 1 DetectZebra 2 Detect Zebra Select RGB Setup LVL Burst PhaseENC Setup LVL Level Skin Tone DTL Flare Level BlackTest OUT ENC/R/G/B Level Gamma Table SC Phase Level PhaseIris Mode Iris Weight Shading G AdjustmentSAW Para Offset WHT Preset WHTOffset Whitea WARM-COOLA Operation B-G SEL BatteryLOW Light LOW Light Level Data Reset DelayService Operation AWB Level Gate VF Setting Menu SEL Setup CardMenu SEL Marker 1/3 Marker 2/3 Measurement ResolutionModulation Sensitivity Clock Phase AD Gain AD Clock PhaseND Comp ND Detection OFF/EXEC/RESET VTR ADJ EQ Adjustment Display Description MPX DP DIAG.STATUSDTL ROM Setup Menu List Turbo YES Setup C RM-P9 RM-B150 SET C-SET Remark VTR Mode YES OFF REC Inhibit CCU Assignable SW Setup CRemark Shutter EVS YES CLS SET Remark ENC Y Level YES Black Flare Test OUT YES Level SC 0/180 SEL RM-B150 SET C-SET Remark Delay YES Preset WHT Color Temp P YESREC Tally YES Upper Time Code Disp OFF Loop Recording FRM Shutter FRM Shutter Unit YES OFF YES OFF Level 143DTL Level 243DTL Menu SEL YES Function 1/2 OFF Function 2/2 VF Setting Wide ScreenYES OFF Level 11SC-H Gain TMP MOD.BAL. TMP SAW/REC Test Level Test SAW OFF BC COMP.ADJ FIELD/FRAME YES Field Test OUT ENC VsubPreknee 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 Adjustments after replacement ReplacementReplacing the CCD Unit and Its Components Replacing the CCD Unit CN1 CN2 Removal Removing the Front Assembly Removing the CC Filter Knob DVW-790WS/790WSP/709WS/709WSP Removing the ND Filter KnobRemoving the CCD Unit DVW-790WS/790WSP/709WS/709WSP Reinstalling the ND Filter Knob Reinstallation Reinstalling the CCD UnitDVW-790WS/709WS DVW-707 Adjustment After Replacement Tape Running Adjustment Reinstalling the Front AssemblyElectrical Alignment Adjustment After Replacement ReinstallationCN3 Replacing the Boards Inside the CCD Unit CN3 CN1 CN6 CN5 CN2CN7 CN4 790WS/790WSP CH2, DC IN, DC OUT Connectors Replacing the External Connectors/SwitchesRemoving the Connector Box Assembly Removing the CNB Stay Removing the CNB-11 BoardRemoving the RM-180 Board Audio IN/AUDIO OUT connector Removing the ConnectorDC in connector DC OUT connector VF Connector Power Switch Power Switch, MIC in ConnectorMIC 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 40-pin Fitting Assembly Replacing the Card Door AssemblyReinstallation Required tool About Cleaning Blade Tape Cleaner depending on model General Information for Parts Replacement and AdjustmentAbout Tools Threading End Mode Threading End/Unthreading End ModeUnthreading End Mode Selection Procedure into the 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 Preparations Basic informationTools 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 Brush Assembly Installation Soldering the Leads of Slip Ring AssemblyBrush Cover Installation Cleaning of Video Heads and Tape Running Surfaces Video Tracking Adjustment Adjustments After Replacement Tape Running AdjustmentCTL Head Height Adjustment CTL Head Position 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 Installation Slip Ring Assembly Installation Slip Ring Assembly RemovalBlue 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 Connection of the Brush Assembly Connector Drum Assembly InstallationVideo Head Cleaner Installation Cleaning of Video Heads and Tape Running Surface Video System Adjustment CUE Head Height Adjustment Pinch Roller Replacement Pinch Roller Installation Installation Install Shaft CleaningPinch Roller Cleaning Removal Pinch Roller Removal HC Roller Assembly Replacement for Video Heads VH Cleaner Assembly Removal Removal Mode Selection VH Cleaner Assembly Installation Installation HC Roller ReplacementOperation Ceck Manual Eject Assembly Removal CUE Brush Replacement for CUE Head Manual Eject Assembly Installation Installation CUE Brush ReplacementOperation 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 Installation Cleaning of the Installation Shaft Or T Idler Assembly RemovalOr 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 Timing Belt Installation Installation Cleaning of the PulleysTiming 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 Entrance Head Assembly Installation Installation CTL Head ReplacementEntrance 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 Cassette Compartment Installation Cleaning of the HeadGear Block AssembIy InstaIIation Audio System Adjustment Video Tracking Adjustmen Reel Table Replacement Reel table removal Removal Reel Table Removal S reel table removal Reel Table Installation Installation Reel Shaft CleaningReel 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 Brake Band Installation Installation Tension Regulator Arm Assembly InstallationTension Regulator S4 Guide Cleaning Overviews Preparations Removal Cassette Guide Removal Disconnection Brush Assembly Connector Driving Gear Removal Drawing Arm 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 Cassette Guide Installation Connection the Brush Assembly ConnectorCleaning 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 Soldering Harness RemovalBLK GRY Installation FE Head Installation Tape Cleaner Removal Replacement of Tape CleanerInstallation Tape Cleaner Installation Tape Guide Removal Replacement of Tape Guide 114 Installation Tape Guide Installation 115 Adjustment After Replacement Tape Guide Height Adjustment 116 Removing the Mechanical Deck Mechanical Deck ReplacementAttaching the Mechanical Deck Tension Regulator Operating Position Adjustment Mechanical Adjustment Check Mode Selection Point for adjustment Adjustment Position AdjustmentMode Cancel Tension Regulator Operating Position Check Tool FWD Back Tension Adjustment Adjustment Eject Mode Setting Check REC Mode SettingBack Tension Adjustment Reference of adjustment Brake Torque Check Case that the value does not meet the specification Check SettingAdjustment Mode Cancel Side Brake Torque Check Adjustment Belt Tension Adjustment Belt Tension AdjustmentPage Index Location of Tape Path System Contents Checks Play Mode Playing back the tape top Tape Running AdjustmentSpecifications Drum Entrance Side Threading End Mode REW Mode Rewind at tape top FWD Mode Fast forward at tape topPlay Mode Playback at tape end FWD Mode Fast forward at tape end REV Mode Rewind at tape endREW Mode Rewind at tape end Tape Running Re-check at the Drum Entrance Side Checks After Adjustment Video Tracking CheckTape Running Check at the Drum Exit Side CTL Head Height Check Drum Exit Side Checks Play Mode Playing back the tape top REV Mode Rewind at tape end Tape Running Check Around the Capstan Shaft Reference for adjustment Adjustments T2 and T3 Guides Height AdjustmentCUE Head Azimuth Adjustment Tape Running Re-check at the Drum Exit Side Video Tracking Adjustment Play Mode Checks Play ModeRF Waveform Check REV search mode Video Tracking Re-check Drum exit side Tracking Adjustment Drum Exit SideTape Running Check CUE Head Height Check CTL Head Height Adjustment Adjustments After Adjustment CTL Head Position Adjustment If the Level Increases When Pushing Up the TapeChecks Play Back CTL Head Position Adjustment Adjustment After Adjustment CUE/TC Head Position Adjustment Adjustments CTL 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 CUE Head Head-to-tape Contact Check Adjustments CUE Head Head-to-tape Contact AdjustmentCUE Head Head-to-tape Contact Re- check CUE/TC Head Position Adjustment Adjustment Adjustments Play BackCUE/TC Head Position Re-check SV REF CF Re-check according to the steps 1 Check CUE Output Level Check CUE Output Level Check Preparation Battery End Detection Voltage Adjustment Power System AdjustmentAdjustment Procedure Check Procedure Automatic Servo Adjustment Servo System AdjustmentSetting upon Completion of Adjustment Manual PG Phase Adjustment Automatic PG Phase Adjustment 1. D/A Level Adjustment Audio System 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 Initial Switch Settings General Information for Electrical AdjustmentScreen Mode Setting Equipment/Fixtures Initial Setting Handling precautions Maintaining the Grayscale ChartReplacement period when the chart is used as the reference Murakami Color Research Laboratory Setting Illumination when the reflective chart is used Test OUT → ENC VCO Cont Frequency CheckINT SC Frequency Video GEN OUT Lock AD Clock Phase AD Clock Phase AdjustmentClock Phase IRE Ntsc ENC Level Adjustment ENC OUT Adjustment Chroma Adjustment SC Phase INT SC Phase AdjustmentSetting After Adjustment Blanking Width RGB Setup Test OUT Level AdjustmentRGB Sync RGB Level → CAM/ON Modulator Balance Adjustment Test SAW Adjustment Knee → OFF R/B AD Gain AdjustmentAD Gain Test SAW → OFF Gamma S35*PRESET WHT Color Temp P VA Gain AdjustmentGamma → on Shading Adjustment Preset White AdjustmentBlack Shading Adjustment S30 *W-SHADING G White Shading AdjustmentS32 *W-SHADING B Master Gamma Gamma Correction AdjustmentTest SAW → OFF Setting After Aadjustment Black Set Adjustment Flare Flare Adjustment Manual Knee and White Clip Adjustments Knee and White Clip Adjustments Gamma → OFF Test SAW DCC Pre Knee AdjustmentPreknee DCC DCC Point → DCC Knee AdjustmentDCC D Range Crispening Adjustment Detail Signal AdjustmentLevel Depandent Adjustment 16-4. H/V Ratio Adjustment Detail Frequency AdjustmentRatio Knee Aperture Adjustment Detail Level AdjustmentKnee APT APT.LVL 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 Mode Automatic Iris AdjustmentIris Weight → 0 MIN Iris Weight ND Detection → Exec Adjustment After Replacing Filter Disk Unit Lens Initial Setting for SwitchesIris → C Close S06*MASTER Gain 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 S48*B-SHADING G Fine WhitepS50*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