SLV-D990PB, SLV-D990PE, SLV-D990PR, SLV-D995PE - Sony VCR Service Manual (repair manual). Page 4

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1

Safety Precautions ............................................................... 5

2

Servicing Precautions ........................................................  7

3

ESD Precautions ................................................................. 8

4

Handling the Optical Pick-up ............................................. 9

5

Pick-up Disassembly and Reassembly ............................  10

Préparation ...................................................................... 1-1
Opérations de base .......................................................... 1-8
Raccordements avancés ................................................ 1-17
Paramètres et réglages DVD ......................................... 1-18
Autres opérations du lecteur DVD ............................... 1-21
Autres opérations du magnétoscope ............................. 1-29
Informations complémentaires ..................................... 1-32

2-1

Cabinet and PCB ............................................................. 2-1

2-1-1

Cabinet Top Removal ...................................................... 2-1

2-1-2

Bottom Cover Removal ................................................... 2-1

2-1-3

Ass’y Front Panel Removal ............................................ 2-1

2-1-4

Function PCB Removal .................................................. 2-1

2-1-5

Chassis Removal ............................................................. 2-2

2-1-6

VCR Main PCB Removal ............................................... 2-2

2-2

Circuit Board Locations .................................................. 2-3

2-3

VCR Deck Parts Locations ............................................. 2-4

2-3-1

Top View .......................................................................... 2-4

2-3-2

Bottom View .................................................................... 2-6

2-4

VCR DECK ..................................................................... 2-7

2-4-1

Holder FL Cassette Ass’y Removal ................................ 2-7

2-4-2

Lever FL Arm Ass’y Removal ........................................ 2-7

2-4-3

Lever FL Door Removal ................................................. 2-8

2-4-4

Slider FL Drive, Gear FL Cam Removal ....................... 2-8

2-4-5

Gear Worm Wheel Removal ........................................... 2-9

2-4-6

Cable Flat Removal ......................................................... 2-9

2-4-7

Motor Loading Ass’y Removal .................................... 2-10

2-4-8

Bracket Gear, Gear Joint 2, 1 Removal ........................ 2-10

2-4-9

Gear Loading Drive, Slider Cam,
Lever Load S, T Ass’y Removal ................................... 2-11

2-4-10 Gear Loading Drive, Slider Cam,

Lever Load S, T Ass’y Assembly ................................. 2-11

2-4-11 Lever Pinch Drive, Lever Tension Drive Removal ...... 2-12
2-4-12 Lever Tension Ass’y, Band Brake Ass’y Removal ....... 2-12
2-4-13 Lever Brake S, T Ass’y Removal ................................. 2-13
2-4-14 Gear Idle Ass’y Removal .............................................. 2-13
2-4-15 Disk S, T Reel Removal ................................................ 2-14
2-4-16 Holder Clutch Ass’y Removal ...................................... 2-14
2-4-17 Lever Up Down Ass’y, Gear Center Ass’y Removal ... 2-15
2-4-18 Guide Cassette Door Removal ...................................... 2-15
2-4-19 Lever Unit Pinch Ass’y, Plate Joint,

Spring Pinch Drive Removal ........................................ 2-16

2-4-20 Lever #9 Guide Ass’y Removal .................................... 2-16
2-4-21 FE Head Removal ......................................................... 2-17
2-4-22 ACE Head Removal ...................................................... 2-17
2-4-23 Slider S, T Ass’y Removal ............................................ 2-18
2-4-24 Plate Ground Deck, Cylinder Ass’y Removal .............. 2-18
2-4-25 Belt Pulley Removal ..................................................... 2-19
2-4-26 Damper Capstan Removal ............................................ 2-19
2-4-27 Motor Capstan Ass’y Removal ..................................... 2-19
2-4-28 Post #8 Guide Ass’y Removal ...................................... 2-20
2-4-29 Level Head Cleaner Ass’y Removal ............................. 2-20
2-4-30 How to Eject the Cassette Tape .................................... 2-20
2-5

The Table Of Cleaning, Lubrication and
Replacement Time About Principal Parts .................... 2-21

2-6

DVD Deck ..................................................................... 2-22

2-6-1

Holder Chuck Removal ................................................. 2-22

2-6-2

Tray Disc Removal ........................................................ 2-23

2-6-3

Ass’y P/U Deck Removal ............................................. 2-24

2-6-4

Ass’y Housing Removal ............................................... 2-25

2-6-5

Ass’y Bracket Deck Removal ....................................... 2-26

Block Diagram .......................................................

3-1

4-1

VCR Main ....................................................................... 4-3

4-2

DVD Main ....................................................................... 4-5

4-3

Dial (SLV-D995P E Only) .............................................. 4-9

4-4

Function Timer ................................................................ 4-9

5-1

S.M.P.S. ........................................................................... 5-3

5-2

Power Drive ..................................................................... 5-5

5-3

OSD/VPS/PDS ................................................................ 5-7

5-4

A2/NICAM ...................................................................... 5-9

5-5

A/V ................................................................................ 5-11

5-6

Hi-Fi .............................................................................. 5-13

5-7

Input-Output .................................................................. 5-15

5-8

TM ................................................................................. 5-17

5-9

I/O .................................................................................. 5-19

5-10

Syscon ........................................................................... 5-21

5-11

Logic/Function .............................................................. 5-23

5-12

SECAM ......................................................................... 5-25

5-13

DVD A/V ....................................................................... 5-27

5-14

DVD Decoder Servo ..................................................... 5-29

6-1

VCR Adjustment ............................................................. 6-1

6-1-1

Reference ......................................................................... 6-1

6-1-2

Head Switching Point Adjustment ................................. 6-3

6-1-3

NVRAM Option Setting ................................................. 6-3

6-2

VCR Mechanical Adjustment ......................................... 6-5

6-2-1

Tape Transport System and Adjustment Locations ........ 6-5

6-2-2

Tape Transport System Adjustment ................................ 6-6

6-2-3

Reel Torque ................................................................... 6-11

Troubleshooting .....................................................

7-1

8-1

Exploded Views ............................................................... 8-2

8-1-1

Cabinet Assembly ........................................................... 8-2

8-1-2

VCR Mechanical Parts (Top Side) ................................. 8-3

8-1-3

VCR Mechanical Parts (Bottom Side) ........................... 8-4

8-1-4

DVD Mechanical Parts ................................................... 8-5

8-2

Electrical Parts List ......................................................... 8-6