Table Of Contents - Sony AV-3420CE Service Manual

Section
1.
TABLE OF CONTENTS
Title
GENERAL DESCRIPTION
T-1. Introduction oo... iceceecceeeeeeeeeee
1-2. Specifications ................cccceceeee eee
1-3. Location of Parts and Controls ....
1-4, Operation .........cscsccssncncosecreceeesoos
DISASSEMBLY
2-1. Cabinet Removal .............cccceeeeeee
2-2. Electrical Service ...........c.cccceeseeeee
2-3. Tape Transport Service ...............
POWER SUPPLY ALIGNMENT
3-1. Power Supply Adjustment ...........
3-2. Battery Meter Calibration ...........
SERVO SYSTEM ALIGNMENT
4-1. Alignment Sequence ..............0..
4-2. Equipment Required ............0.....
4-3. Adjustment Procedure..................
VIDEO SYSTEM ALIGNMENT
5-1. Equipment Required ...................
5-2. Alignment Sequence ............
5-3. Deviation Adjustment ................
5-4. Tape Path Check ..........cccceeececeeees
5-5. Modulavor Symmetry
Adjustment ......... cc eecesee see ees
5-6. Carrier Leak Adjustment .............
5-7. Monitor Level Adjustment ..........
5-8. Record Current Adjustment .........
5-9. Playback Preamplifier Frequency
Response Adjustment .............
AUDIO SYSTEM ALIGNMENT
6-1. Alignment Sequence ...............00
6-2. Equipment Required ..................
6-3. Audio Head Azimuth
Adjustment ......... cc eecceseee seen
6-4. Playback Level and Frequency
Response Adjustment ..............
6-5. Bias Oscillator Check «00.0.0...
Section
6-6.
6-7.
6-8.
Title Page
Record Bias Setting ................:0000 6-2
Bias Trap Adjustment .................. 6-2
Record Level Adjustment ............ 6-2
7. MECHANICAL SYSTEM MAINTENANCE
T-1. Introduction 2.0.0... cceeeeeeeeeeeee 7-1
7-2. Cleaning Heads and Slip-rings ...... 7-1
7-3. Video Head Replacement ............. 7-3
7-4. Audio/Control Head
Replacement - .......... cee ceeeeee eee 7-6
7-5. Stop Brake Adjustment ............... 7-7
7-6. Pinch Roller Pressure
Adjustment ..........ccccccsseececeneee 7-8
7-7. Tape Tension Brake Check .......... 7-8
7-8. Fast Forward Pulley
Adjustment ....... cece eeee scene ee 71-9
7-9. Take-up Torque Adjustment ....... 7-9
7-10. Sub-motor Replacement............... 7-10
8. CIRCUIT DESCRIPTION
8-1.
8-2.
8-3.
8-4.
8-5.
Video Circuit 8-1
Servo Circuit 8-2
Audio Circuit 8-7
Power Supply 8-8
Camera Remote Control Circuit ...- 8-8
9. TAPE TRANSPORT DESCRIPTION
9-1... Tape: Path <..As..2440 casi: 9-1
9-2. Tape Transport in Playback
MOG6® onccinceseeshedesand tere cttarsiane tase 9-2
9-3. Instant Stop Mechanism ............. 9-4
9-4. Tape Transport in the Record
MOdE sdsicccccsssvacvss ascot vesseesieekeet 9-5
9-5. Audio Dub Mechanism ............... 9-6
9-6. Tape Transport in the Fast
Forward Mode ............c:ceeeeeeeee 9-7
9-7. Tape Transport in the
Rewind Mode ..............::eeseee eee 9-8
10. SCHEMATICS AND EXPLODED
MIEWS coe eens biases 10-1
Block Diagram.............ccccccssesseeeeeees 10-1
Schematics Diagram................:.c0008 10-5
Exploded Views..............ccsscceseeeeres 10-7