Table Of Contents - Sony LDP-1500P Service Manual

TABLE OF CONTENTS
1. GENERAL DESCRIPTION
1-1. Features . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-2. Tips on Videodiscs . . . . . . . . . . . . . . . . . . 1-2
1-3. Precautions . . . . . . . . . . . . . . . . . . . . . . . 1-5
1-4. Notes on Handling Videodiscs . . . . . . . . . . . 1-6
1-5. Parts Identification . . . . . . . . . . . . . . . . . . 1-7
1-6. Connections . . . . . . . . . . . . . . . . . . . . . . 1-13
1-7. To Play Back a Videodisc . . . . . . . . . . . . . . 1-15
1-8. Various Playback Modes . . . . . . . . . . . . . . 1-17
1-9. Search and Repeat Operations . . . . . . . . . . . 1-18
1-10. Notes on Operation with the RM-2001
Remote Control Unit
1-19
1-11. Connection with an External Computer . . . . 1-20
1-12. NoteonlnstallingthePlayerinaRack ..... 1-22
1-13. Troubleshooting . . . . . . . . . . . . . . . . . . . . 1-24
2. DISASSEIVIBL Y
2-l. Removal of Cabinet . . . . . . . . . . . . . . . . . 2-1
2-2. Opening of SS-32 and VP-18 Board . . . . . . . 2-2
2-3. Removal of Loading Motor . . . . . . . . . . . . . 2-2
2-4. Removal of Flexible Card Wire . . . . . . . . . . 2-3
2-5. Removal of PR-80 Board . . . . . . . . . . . . . . 2-3
2-6. Removal of the Sled Block . . . . . . . . . . . . . 2-4
2-7. Disassembly of Sled Block . . . . . . . . . . . . . 2-4
2-8. Removal of Chuck Block . . . . . . . . . . . . . . 2-5
2-9. Removal of F .L Block . . . . . . . . . . . . . . . . 2-6
2-10. Removal of Spindle Motor and
Optical Block Ass'y . . . . . . . . . . . . . . . . . . 2-7
Note for Handling of Optical Block Ass'y
(KSS-141A) . . . . . . . . . . . . . . . . . . . . . . . . . . · · 2-8
3. MECHANICAL ALIGNMENT
3-1. Photo Interruptor Position Adjustment ..... 3-1
3-2. Chuck Ass'y Pressing Adjustment . . . . . . . . 3-2
3-3. Loading Switch Position Adjustment . . . . . . 3-2
3-4. Position Gear Fixing Adjustment . . . . . . . . . 3-2
3-5. Position Gear Phase Adjustment . . . . . . . . . 3-3
4. ELECTRICAL ALIGNMENT
4-1.
4-1-1.
4-1-2.
4-1-3.
4-2.
Miscellaneous Adjustment . . . . . . . . . . . . . 4-2
DC Power Regulator Adjustment . . . . . . . 4-2
Spindle PWM Ref 2H Adjustment . . . . . . 4-2
Decoder Clock Adjustment . . . . . . . . . . . 4-2
Focus Servo Adjustment . . . . . . . . . . . . . . 4-2
4-2-1. Focus Bias Adjustment . . . . . . . . . . . . . 4-2
4-2-2. Focus Gain Adjustment . . . . . . . . . . . . . 4-3
4-3. Tracking Servo Adjustment . . . . . . . . . . . . 4-3
4-3-1. Tracking Bias Adjustment . . . . . . . . . . . 4-3
4-3-2. Tracking Gain Adjustment . . . . . . . . . . . 4-3
4-3-3. Track Jump Adjustment . . . . . . . . . . . . 4-4
4-4. IN/OUT Limit Position Adjustment . . . . . . . 4-5
4-4-1. IN Limit Adjustment . . . . . . . . . . . . . . . 4-5
4-4-2. 12 inch Disc Out Limit Adjustment ..... 4-5
4-4-3. 8 inch Disc Out Limit Adjustment . . . . . . 4-5
4-5. Video System Adjustment . . . . . . . . . . . . . 4-6
4-5-1. Demodulator Video Level Adjustment ... 4-6
4-5-2.
4-5-3.
4-5-4.
4-5-5.
4-5-6.
4-5-7.
4-5-8.
4-5-9.
4-5-10.
4-5-11.
Dropout Sensitivity Adjustment . . . . . . . 4-6
DOC Video Level Adjustment . . . . . . . . . 4-6
CCD Bias Adjustment . . . . . . . . . . . . . . 4-7
Video Out Level Adjustment . . . . . . . . . 4-7
TBC Centering Adjustment . . . . . . . . . . . 4-7
TBC 1/2H Rejecter Adjustment . . . . . . . . 4-7
CF U/V Separator Adjustment . . . . . . . . 4-8
CF Video Level Adjustment . . . . . . . . . . 4-8
CF Chroma: Level Adjustment . . . . . . . . . 4-8
B.B SC Adjustment . . . . . . . . . . . . . . . . 4-9
4-5-12. B.B H Sync Adjustment . . . . . . . . . . . . . 4-9
4-5-13. Skew Servo Adjustment . . . . . . . . . . . . . 4-9
4-6. Audio System Adjustment . . . . . . . . . . . . . 4-10
4-6-1. TBC Centering Adjustment . . . . . . . . . . . 4-10
4-6-2. TBC Gain Adjustment . . . . . . . . . . . . . . 4-10
4-6-3.
LINE OUT Level Adjustment . . . . . . . . . 4-10
5.
5-1.
5-2.
5-3.
5-4.
DIAGRAMS
Location of the Printed Circuit Boards 5-1
Overall Block Diagram . . . . . . . . . . . . . . . . 5-2
Video System Block Diagram . . . . . . . . . . . 5-4
Focus, Tracking, Slide Servo System
5-5.
5-6.
5-7.
Block Diagram . . . . . . . . . . . . . . . . . . . . . 5-7
Spindle Servo Block Diagram . . . . . . . . . . . 5-9
Audio System Block Diagram . . . . . . . . . . . 5-11
P~inted Wiring Boards and
Schematic Diagrams . . . . . . . . . . . . . . . . .
PR-80, DUS-131 . . . . . . . . . . . . . . . . . . . .
VP-18 . . . . . . ~ . . . . . . . . . . . . . . . . . . . .
SS-32, SW-138, DUS-127, DUS-129 . . . . . . .
SV-79 . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-13
5-13
5-18
5-25
5-32
AU-73, HP-25 ... · . . . . . . . . . . . . . . . . . . 5-37
KY-93, SW-127, DUS-128, PD-31 . . . . . . . . 5-43
RS-21 . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-47
PS-113, DUS-130 . . . . . . . . . . . . . . . . . . . 5-47
6. SPARE PARTS
6-1. Parts Information . . . . . . . . . . . . . . . . . . . 6-1
6-2. Exploded Views . . . . . . . . . . . . . . . . . . . . 6-3
6-2-1. Ornamental Panel . . . . . . . . . . . . . . . . . 6-3
6-2-2. Chuck Ass'y . . . . . . . . . . . . . . . . . . . . 6-5
6-2-3. Front Loading . . . . . . . . . . . . . . . . . . . 6-7
6-2-4. Chassis (1) . . . . . . . . . . . . . . . . . . . . . . 6-9
6-2-5. Chassis (2) . . . . . . . . . . . . . . . . . . . . . . 6-11
6-2-6. Mechanical Base . . . . . . . . . . . . . . . . . . 6-13
6-3. Electrical Parts List . . . . . . . . . . . . . . . . . . 6-15
SUPPLEMENT-1.
SUPPLEMENT-2.
-1-