Read Sony DVP-LS755P Service Manual online
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TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
1.
GENERAL
Index to Parts and Controls .......................................... 1-1
Hookups ........................................................................ 1-3
Playing Discs ................................................................. 1-6
Searching for a Scene ................................................... 1-9
Viewing Information About the Disc .............................. 1-10
Sound Adjustments ....................................................... 1-10
Enjoying Movies ............................................................ 1-11
Playing a DATA CD ........................................................ 1-12
Using Various Additional Functions .............................. 1-14
Settings and Adjustments ............................................. 1-15
Additional Information ................................................... 1-17
Hookups ........................................................................ 1-3
Playing Discs ................................................................. 1-6
Searching for a Scene ................................................... 1-9
Viewing Information About the Disc .............................. 1-10
Sound Adjustments ....................................................... 1-10
Enjoying Movies ............................................................ 1-11
Playing a DATA CD ........................................................ 1-12
Using Various Additional Functions .............................. 1-14
Settings and Adjustments ............................................. 1-15
Additional Information ................................................... 1-17
2.
DISASSEMBLY
2-1.
Disassembly .................................................................. 2-1
2-2.
Upper Case ................................................................... 2-2
2-3.
MV-044 Board ................................................................ 2-2
2-4.
Front Panel Section ....................................................... 2-3
2-5.
Power Supply Block ....................................................... 2-3
2-6.
IF-117 Board ................................................................. 2-4
2-7.
Mechanism Deck ........................................................... 2-4
2-8.
ER-027 Board ................................................................ 2-5
2-9.
Optical Pick-up .............................................................. 2-5
2-10. MS-214 Board ............................................................... 2-6
2-11. Holder (BU) Assy ........................................................... 2-6
2-12. Lever (BU Lock) ............................................................. 2-7
2-13. Close Lever ................................................................... 2-7
2-14. Lever (DIR), Gear (IDL-B) ............................................. 2-8
2-15. Chassis (Top) ................................................................ 2-8
2-16. Lever (Loading-L/R) ...................................................... 2-9
2-17. Lever (Disc Sensor)/(Disc Stop) ................................... 2-10
2-18. Gear (IDL-C) .................................................................. 2-10
2-19. Circuit Boards Location ................................................. 2-11
2-11. Holder (BU) Assy ........................................................... 2-6
2-12. Lever (BU Lock) ............................................................. 2-7
2-13. Close Lever ................................................................... 2-7
2-14. Lever (DIR), Gear (IDL-B) ............................................. 2-8
2-15. Chassis (Top) ................................................................ 2-8
2-16. Lever (Loading-L/R) ...................................................... 2-9
2-17. Lever (Disc Sensor)/(Disc Stop) ................................... 2-10
2-18. Gear (IDL-C) .................................................................. 2-10
2-19. Circuit Boards Location ................................................. 2-11
3.
BLOCK DIAGRAMS
3-1.
Overall Block Diagram ................................................... 3-1
3-2.
RF/Servo Block Diagram ............................................... 3-3
3-3.
System Control/Signal Processor Block Diagram ........ 3-5
3-4.
Video Block Diagram ..................................................... 3-7
3-5.
Audio Block Diagram ..................................................... 3-9
3-6.
Interface Control Block Diagram ................................... 3-11
3-7.
Power 1 Block Diagram ................................................. 3-13
3-8.
Power 2 Block Diagram ................................................. 3-15
4.
PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS
DIAGRAMS
4-1.
Frame Schematic Diagram ............................................ 4-3
4-2.
Printed Wiring Boards and Schematic Diagrams ......... 4-5
MV-044 (RF AMP, SIGNAL PROCESS, SERVO,
MOTOR DRIVE, AVDEC, VIDEO, AUDIO,
PS THROUGH) Printed Wiring Board ........................... 4-5
MV-044 (RF AMP, SERVO, MOTOR DRIVE)
Schematic Diagram ....................................................... 4-9
MV-044 (SIGNAL PROCESS, SERVO DSP, AVDEC)
Schematic Diagram ....................................................... 4-11
MV-044 (VIDEO AMP) Schematic Diagram .................. 4-13
MV-044 (AUDIO AMP) Schematic Diagram .................. 4-15
MV-044 (PS THROUGH) Schematic Diagram .............. 4-17
ER-027 (EURO AV) Printed Wiring Board .................... 4-21
ER-027 (EURO AV) Schematic Diagram ...................... 4-23
IF-117 (INTERFACE CONTROL)
Printed Wiring Board ..................................................... 4-25
IF-117 (INTERFACE CONTROL)
Schematic Diagram ....................................................... 4-27
MS-214 (LOADING MOTOR) Printed Wiring Board
and Schematic Diagram ................................................ 4-29
MV-044 (RF AMP, SIGNAL PROCESS, SERVO,
MOTOR DRIVE, AVDEC, VIDEO, AUDIO,
PS THROUGH) Printed Wiring Board ........................... 4-5
MV-044 (RF AMP, SERVO, MOTOR DRIVE)
Schematic Diagram ....................................................... 4-9
MV-044 (SIGNAL PROCESS, SERVO DSP, AVDEC)
Schematic Diagram ....................................................... 4-11
MV-044 (VIDEO AMP) Schematic Diagram .................. 4-13
MV-044 (AUDIO AMP) Schematic Diagram .................. 4-15
MV-044 (PS THROUGH) Schematic Diagram .............. 4-17
ER-027 (EURO AV) Printed Wiring Board .................... 4-21
ER-027 (EURO AV) Schematic Diagram ...................... 4-23
IF-117 (INTERFACE CONTROL)
Printed Wiring Board ..................................................... 4-25
IF-117 (INTERFACE CONTROL)
Schematic Diagram ....................................................... 4-27
MS-214 (LOADING MOTOR) Printed Wiring Board
and Schematic Diagram ................................................ 4-29
LC-082 (FUNCTION SWITCH) Printed Wiring Board
and Schematic Diagram ................................................ 4-31
POWER SUPPLY BLOCK
(SWITCHING REGULATOR) Printed Wiring Board ..... 4-33
POWER SUPPLY BLOCK
(SWITCHING REGULATOR) Schematic Diagram ....... 4-35
and Schematic Diagram ................................................ 4-31
POWER SUPPLY BLOCK
(SWITCHING REGULATOR) Printed Wiring Board ..... 4-33
POWER SUPPLY BLOCK
(SWITCHING REGULATOR) Schematic Diagram ....... 4-35
5.
IC PIN FUNCTION DESCRIPTION
5-1.
System Control Pin Function
(MV-044 Board IC201) .................................................. 5-1
(MV-044 Board IC201) .................................................. 5-1
6.
TEST MODE
6-1.
General Description ...................................................... 6-1
6-2.
Starting Test Mode ........................................................ 6-1
6-3.
Drive Manual Operation ................................................ 6-1
6-4.
Mirror Time Adjustment ................................................. 6-1
6-5.
Executing Iop Measurement ......................................... 6-3
6-6.
IF CON Self Diagnostic Function .................................. 6-4
7.
ELECTRICAL ADJUSTMENT
7-1.
Power Supply Check ..................................................... 7-1
1.
Power Supply Block (Switching Regulator) .................. 7-1
7-2.
Adjustment of Video System ......................................... 7-2
1.
Checking Video Output Level ........................................ 7-2
2.
Checking Progressive Video Output Level ................... 7-2
3.
Checking S Video Output S-Y ....................................... 7-2
4.
Checking S Video Output S-C ....................................... 7-2
5.
Checking Component Video Output Y .......................... 7-3
6.
Checking Component Video Output B-Y ...................... 7-3
7.
Checking Component Video Output R-Y ...................... 7-3
8.
Checking RGB Output R ............................................... 7-3
9.
Checking RGB Output G ............................................... 7-4
10. Checking RGB Output B ............................................... 7-4
8.
REPAIR PARTS LIST
8-1.
Exploded Views ............................................................. 8-1
8-1-1. Front Panel Section .................................................. 8-1
8-1-2. CD Mechanism Deck Section-1 ............................... 8-2
8-1-3. CD Mechanism Deck Section-2 ............................... 8-3
8-1-4. CD Mechanism Deck Section-3 ............................... 8-4
8-1-5. CD Mechanism Deck Section-4 ............................... 8-5
8-1-2. CD Mechanism Deck Section-1 ............................... 8-2
8-1-3. CD Mechanism Deck Section-2 ............................... 8-3
8-1-4. CD Mechanism Deck Section-3 ............................... 8-4
8-1-5. CD Mechanism Deck Section-4 ............................... 8-5
8-2.
Electrical Parts List ....................................................... 8-6
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