Table Of Contents - Sony BVH-2000 Operation And Maintenance Manual

Table of Contents

Confidental2
Table Of Contents5
Operation11
Features11
Compact And Lightweight11
Rational Vtr System11
Specifications12
High Picture And Sound Qualities12
High Reliability12
Alarm Functions12
Dimensions14
Optional Parts And Accessories15
Function Control Panels15
Bkh-2014 Side Panel Kit16
Bkh-2015/Bkh-2015A Time Code Generator/Reader16
Bkh-2100 Digital Time Base Corrector17
Bkh-2016 Ccj Converter17
Bk-5005 Bve-5000 Interface Board17
Rack Options19
Location And Function Of Parts20
Level Control Panel21
Level Control Panel Peripherals24
Function Control Panel25
Tape/Ee Selector26
Video26
Audio27
Shuttle Mode40
Jog Mode40
Program Jog Mode40
Var Button41
Program Play Mode41
Edit Function Panel42
Search Indicator54
Connector Panel65
Video Connector Panel66
To Tbc Connector68
Switches On The Vm-01 Board68
Audio Connector Panel69
Remote Control Connector Panel70
Connections71
Preadjustment72
Record Bias72
Rec/Pb Level Preset73
Board Adjustment74
Opening74
Board Extraction And Inspection75
Au-27 Board76
Ae-03 Board77
Eq-02 Board78
Dm-25 Board79
Md-14 Board80
Tc-14 Board83
Sy-79 Board84
Adjusting The Record Current Level On The Bvh-200084
Adjustment Of The Video Head84
Adjustment Of The Sync Head84
Sy-80 Board85
Sv-43 Board86
Rl-12 Board87
Cd-17 Board88
Sr-15 Board89
Dt-04 Board90
Tape Threading91
Recording92
Playback92
Normal Speed Playback92
Shuttle93
Jog94
Program Jog95
Program Play96
Var Memory97
Capstan Override98
Standby Mode For The Var Memory Playback98
Manual Editing99
Assemble Editing99
Insert Editing100
Spot Erase101
Auto Editing102
Basic Operation102
Audio Split Editing104
Editing With Two Vtr's105
Editing Monitor107
Video Monitor107
Head Selector In R/P Head Position107
Audio Monitor107
Flashing And Lighting Of Lamps In Auto Edit Mode108
Audio Split Edit Area109
Var Memory Mode Editing110
Out Point Preview111
Editing With One Vtr111
Preroll112
When Auto Mode Is Turned Off112
When Auto Mode Is Turned On112
Parallel Operation113
Alarm113
Installation115
Unpacking And Repacking115
Accessories Supplied116
Matching Connectors And Cables117
Power Requirements117
Installation Conditions117
Installation Space118
External Dimensions118
Working Specs119
Mounting Function Control Panel125
Removing Blank Panel125
Rack Mounting126
Bvt-2000 Modification127
Picture Stability At Mode Switching127
Picture Quality In Dt Mode And Y Add On/Off Switch128
Vertical Flactuation In Edit Preset Of Bvh-2000/2180129
Pb V Signal Detection133
Video Level Control In Bidirex Mode133
Function Of Switches And Jumpers134
Index Of Switches And Jumpers134
Bve-5000/P Setting147
Termination Of Remote-2 Out147
Remote Mode Of Bhv-2000/2180147
Color Frame Editing Using Plug-In Tbc147
Notes On Bvr-1000 Operation148
Output Of Audio-3 Monitor Signal From Wfm Output148
Selection Of Time Code Output By Tape/Ee Select Switch149
Cleaning151
Demagnetizing Of Heads152
Tracking Check152
Head Projection Check And Upper Drum Replacement153
Upper Drum Eccentricity Adj. Gauge153
Head Protection Measurement153
Upper Drum Replacement154
Replacement Of Upper Drum Assembly154
Upper Drum Eccentricity Adjustment155
Installation Of Dr-13 Board155
Replacement Of The Head Drum Assembly156
Preliminary Information156
Installation Of The Head Drum Assembly157
Clearance Confirmation158
Drum Speed Adjustment158
Gap Confirmation158
Slip Ring And Brush Cleaning And Replacement159
Cleaning Of Slip Ring And Brush159
Brush Remounting And Pressure Adjustment159
Slip Ring And Brush Replacement160
Noise Check160
Mounting And Pressure Adjustment160
Replacement Of The Slant Guide Assembly161
Replacement Of Entrance Slant Guide Assembly161
Entrance Slant Guide Assy Position Asj.162
Replacement Of Exit Slant Guide Assembly163
Reel Motor Replacement164
S Reel Motor Replacement165
Brake Band Guide Position Adjustment166
Link Stopper Position Adjustment166
Brake Solenoid Position Adjustment166
Reel Table Height Adjustment167
Fg Duty Cycle Adjustment167
S Reel Table Height Adjustment167
S Reel Motor Fg Duty Cycle Adjustment167
S Reel Motor Torque Adjustment168
Motor Torque Adjustment Value168
Mechanical Brake Torque Adjustment169
T Reel Motor Replacement170
T Reel Motor Torque Adjustment173
Brake Band Replacement175
Reel Table Height Confirmation175
Brake Solenoid Replacement176
Solenoid Assembly Position Adjustment176
Brake Position Adjustment176
Replacement Of The S-Tension Arm Assembly177
Replacement Of The T-Tension Arm Assembly178
Air Damper Adjustment179
Mini Tension Arm Replacement180
Parallelism Confirmation For The Mini Tension Arm Shaft180
Mini Tension Arm Solenoid Replacement181
Capstan Motor Replacement182
Pinch Roller Pressure Adjustment183
Motor Fg Duty Cycle Adjustment183
Motor Speed Adjustment184
Pinch Roller Replacement185
Pinch Roller Solenoid Replacement186
Pinch Roller Solenoid Position Replacement186
Audio/Ctl R/P Head Replacement187
Head Assembly Installation187
Audio/Ctl Monitor Head Replacement188
Audio/Ctl Erase Head Replacement189
Other Parts Replacement190
Roller Assembly Replacement190
Confirmation Of The Tape Path190
Reed Switch Replacement191
Tape Path Adjustment After Replacing The Parts192
Audio/Ctl Rip Head Adjustment192
Tape Path Check & Adjustment193
Tape Path Check193
Guide Height Adjustment194
Guide Height195
Supply And Take-Up Reel Table Height Adjustment196
Guide Roller 1 & 2 Height Adjustment196
T-Tension Arm Height Adjustment197
Timer Roller Height Adjustment197
Guide Post 1 Height Adjustment197
Taper Guide Height Adjustment198
Guide Post 3 Height Adjustment198
Timer Roller Slant Adjustment198
Tape Tension Adjustment199
Tape Speed Adjustment200
Tracking Adjustment201
Preparation Before Adjustment203
Height Adjustment Of Taper Guide203
Slant Adjustment Of Entrance Slant Guide204
Height Adjustment Of Entrance Slant Guide204
Height Adjustment Of Guide Post 3205
Slant Adjustment Of Exit Slant Guide205
Height Adjustment Of Exit Slant Guide205
Check After Adjustment206
Self Record/Playback Rf Waveform Check206
Ctl Head Position Adjustment207
Pg Phase Adjustment208
Playback With R/P Head208
Playback With Play Head209
Overlap Adjustment210
Adjustment Points210
Overlap Check211
Checking Gap Near To Slant Guide Assy211
When The Overlap C Is Less Than The Specified Value212
When Overlap C Is Out Of The Specified Value212
When Overlap B Is Out Of The Specified Value212
Audio/Ctl R/P Head Adjustment213
Zenith Adjusstment213
Azimuth Adjustment214
Height Adjustment214
Fluctuation Adjustment215
Audio/Ctl Monitor Head Adjustment216
Audio/Ctl Erase Head Height Adjustment219
V/S Erase Head Height Adjustment220
Service Information221
Principal Components Location221
Tape Transport221
Printed Circuit Board222
Card Rack222
Power Supply225
Opening Of The Rear Panels And Top Cover226
Notes On Power Unit230
Capacity Of Ac Power Source230
Voltage Indication Plate230
Ventilation/Heat Sink230
Primary Circuit & Electric Shock231
Check Of Ac-39 Board232
Leds For Dc Output Check232
Dc Output Terminals232
Pds Function232
Extracting/Inserting Plug In Boards233
Notes On Repair Parts233
Safety Related Components Warning233
Standardization Of Parts233
Maintenance Tools/Fixtures234
Empty Reel234
Cleaning Fluid237
Cleaning Piece237
Erase Head Spacer237
Timer Roller Spacer237
Switching Regulator Adjustment Fixture238
Brake Adjustment Fixture238
Guide Flange Fixture238
Alignment Tape240
Mounting Of Rec Inhibit Switch On Front Panel241
Frame Wiring241
Manual Open/Close Of Movable Guide242
Error Messages243
Sys Err243
Srv Err243
Abort243
Self-Diagnosis Function With Power-On244
Self-Diagnosis During Normal Operation245
When Vtr Stops With "Sys Err" Display245
When Vtr Stops With Standby Button Blinking246
Error/Mode Display By Leds On Rl-12 Board246
Drum Lock/Capstan Fg Error248
Capstan Lock248
Test Functions Of System Control System249
Test Mode Setting/Canceling249
Software Version Check250
Display And Character Generator Test250
Lamp And Buzzer Test250
Key And Dial Test251
Free Run Test251
Test By Memory Readout251
Designation And Test Of Memory Address252
Monitor Dispaly Of Common Memory252
Contents Of Common Memory Data253
Function Of Test-2 Switch (S5/Co-17)267
Function Of Test-3 Switch (S5/Co-17)267
Theory Of Operation271
Tape Format272
Audio Signal System274
Outline Of Audio Signal System274
Ap-06/12 Board274
Rec Amplifier275
Audio/Monitor Amplifier275
Ctl Rec Amplifier275
La-02 Board276
La-02 Board Block Diagram276
Line Input Amplifier276
Monitor Selector276
Bandpass Response277
Recording Amplifier277
Playback Amplifier277
Monitor Amplifier277
Aud-4/Ctl Crosstalk Canceller279
Time Code System279
Be-03 Board280
Audio Bias/Erase Oscillator280
Video/Ctl Erase Oscillator280
Audio Erase Amplifier280
Bias Amplifier281
Video Signal System282
Outline Of Video Signal System282
Dg Compressor287
Rf Switcher287
Dropout Detector287
Rp-09 Board290
Vm-01 Board290
Dynamic Tracking System292
Outline Of Dt System292
Principle Of Arbitrary Playback292
Slant Compensation292
Tracking Control293
Track Jump Control294
Dt-04 Board (Dt-05 Board In Ps Model)295
Outline Of Digital Trace Circuit295
Fhx Doubler295
H Shift Generator295
Pbvx1 Detector296
Dt V Generator296
Pbvx2 Detector296
Head Movement Detector296
V Sync In-Phase Detector297
H Sync Interval Counter300
V Sync Phase Detector301
Jump Signal Generator301
Slope Error Generator301
Wobbling Signal Generator302
Bimorph Drive Signal Generator302
Head Wobbling Detector303
Tracking Error Detector303
Color Information Signal Generator304
System Control System306
Outline System Control System306
Outline Of Sy-79 Board306
Ctc307
Roms307
Sio307
Rams307
Outline Of Sy-80 Board308
Cpu308
Ram308
Outline Of Lg Board309
Lg Board Block Diagram309
Control Panels Bkh-2011, 2012, 201310
Input Control Block310
Configuration Of Key Matrix311
Reading The Key Data Using The Matrix311
Display Control Block312
Outline Of Remote Control313
Common Memory316
Main Communication Data Area316
Hard Port Monitor Area317
Counter Area317
Common Memory Control317
System Control/Servo Interface318
Control Panel/Sy-79 Interface318
Sy-79/Common Memory Interface318
Sy-80/ Servo Interface319
System Control/Tv Board Interface321
Data Presetting321
Time Code/Timer Data Read Out322
Tc Write Hard Port Data322
Timer Display Areaa322
Servo System324
Outline Of Servo System324
Outline Of Drum Servo System326
Outline Of Capstan Servo System327
Outline Of Reel Servo System328
Capstan Rotation Detection331
Rotational Direction Detection331
Rotational Speed Detection331
Duration Detection331
Rec Ctl And Pb Ctl Circuits332
Drum Melocity Loop333
Drum Rotation Detection334
Pg Phase Detection334
Drum Pg Delay334
Skew Detection334
Reel Tension Ac Feedback Loop336
S/T Reels Timer Roller Rotational Speed And Direction Detection338
Interrupt Signal Generator338
V Sync Separator340
H/V Detector340
Burst Phase Comparator340
Replacement350
V/S Erase Head Replacement350
Dme Replacement351
Tape Path Confirmation351
Duty Cycle Adjustment351
Reel Motor Assy Replacement352
S Reel Motor Assy Replacement352
T Reel Motor Assy Replacement357
Lower Drum Assy Replacement361
Lower Drum Assembly Installation362
Upper Drum Installation & Eccentricity Adjustment363
Guide Post Replacement365
Replacement Of Slant Guide Components366
Assembly Of Guide Flange And Guide Post367
Reassembly Of Guide367
Slant And Height Adjustment367
Installation Of Entrance Slant Guide Assy368
Check And Adjustment368
Replacement Of Exit Slant Guide Components369
General Alignment For Alignment372
Index Of Alignment Components372
Initial Setting377
V. Blanking Line Select Switch377
Initial Setting Of The Bvh-2000/2180378
Power Supply Alignment380
Fv-02 Board381
Ac-39 Board381
Ps-14 Board381
Switching Regulator Operating Check And Adjustment382
Switching Regulator Adjustment Fixture Installation382
Board Settings384
Vv-01 Board Setting385
Fv-02 Board Setting386
Ac-39 Board Setting387
Ac-39 Board Part Replacement387
Load388
No Load388
Vtr Load388
Standard Load388
Power Unit Check And Adjustment Procedure389
Ac Power Capacity Check390
Ac Input Voltage Check390
Power Unit No Load Voltage Check390
Relay Switching Check With Power On/Off390
Ct-38 Board Check391
Ac-39 Board Operation Check And Adjustment391
St-21 Board Operation Check392
Surge Current Protection Adjustment392
Low Ac Input Voltage Protector Adjustment392
High Ac Input Voltage Protector Adjustment392
Operation Check393
Converter Rectified Output393
Output Voltage Adjustment394
Fv-03 Board Operation Check And Adjustment395
Output Power Adjustment395
Power Unit Loaded Output Voltage Check397
Vv-01 Board Control Input Voltage Check397
Vv-01 Board Motor Drive Voltage Check397
Tape Path System Alignment402
S Side Tape Tension Adjustment408
T Side Tape Tension Adjustment409
Servo System Alignment432