Page 2
Ð 3 Ð TABLE OF CONTENTS
Section Title Page Section Title Page
Service Note ............................................................................ 4
1. GENERAL
This Player Can Play the Following Discs .................... 1-1
Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-2
Playing Discs in Various Modes .................................... 1-4
Setting and Adjustments ............................................... 1-8
Dolby Digital Surround .................................................. 1-9
Additional Information ................................................... 1-10
2. DISASSEMBLY
2-1. Case Removal ............................................................... 2-1
2-2. Front Panel Section Removal....................................... 2-1
2-3. MB-78 Board Removal .................................................. 2-1
2-4. AU-197 Board Removal ................................................ 2-1
2-5. MD Block AssÕy Removal.............................................. 2-2
2-6. TK-47 Board Removal................................................... 2-2
2-7. Tray Removal ................................................................. 2-2
2-8. Skew Motor (M902) Removal ........................................ 2-2
2-9. Sled Motor (M501) Removal ......................................... 2-3
2-10. Spindle Motor (M901) Removal .................................... 2-3
2-11. Optical Pick-up Removal ............................................... 2-3
2-12. Internal Views ................................................................ 2-4
2-13. Circuit Boards ................................................................ 2-5
3. BLOCK DIAGRAMS
3-1. Block Diagram 1 (RF, Servo, Power) ............................. 3-1
3-2. Block Diagram 2 (Signal Process) ................................ 3-6
4. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS
4-1. Frame Schematic Diagram ............................................ 4-1
4-2. Printed Wiring Boards and Schematic Diagrams ......... 4-5
TK-47 Printed Wiring Board .......................................... 4-5
TK-47 Schematic Diagram ............................................ 4-7
MB-78 Printed Wiring Board ......................................... 4-12
MB-78 (AV Decoder) Schematic Diagram .................... 4-17
MB-78 (Video Encoder) Schematic Diagram ................ 4-21
MB-78 (Drive), FG-43 Schematic Diagrams ................. 4-25
MB-78 (DSP) Schematic Diagram ................................ 4-30
MB-78 (BIAS) Schematic Diagram ............................... 4-33
MB-78 (IF µ-com) Schematic Diagram ......................... 4-37
MB-78 (ARP, L Gate Array, Decrypt)
Schematic Diagram ....................................................... 4-41
MB-78 (System µ-com, S Gate Array)
Schematic Diagram ....................................................... 4-45
MB-78 (AC3 Decoder) Schematic Diagram .................. 4-49
AU-197 Printed Wiring Board ........................................ 4-53
AU-197 Schematic Diagram ......................................... 4-57
FL-88, FR-133, LE-19 Printed Wiring Boards .............. 4-61
FL-88, FR-133, LE-19 Schematic Diagrams ................ 4-65
YS-14, HP-96 Printed Wiring Boards and
Schematic Diagrams ..................................................... 4-69
POWER BLOCK (HS-930SF) Printed Wiring Board
and Schematic Diagram ................................................ 4-73
POWER BLOCK (HS-930SU) Printed Wiring Board
and Schematic Diagram ................................................ 4-76
5. IC PIN FUNCTION DESCRIPTION
5-1. Interface Control Pin Function (MB-78 Board IC604) .. 5-1
5-2 System Control Pin Function (MB-78 Board IC805) .... 5-2
6. TEST MODE
6-1. Starting up Test Mode................................................... 6-1
6-2. Selection of Check Item................................................ 6-1
6-3. Error Display.................................................................. 6-2
6-4. General Description of Checking Method..................... 6-2
6-5. Drive Auto Adjustment................................................... 6-10
6-6. Drive Manual Operation................................................ 6-14
6-6-1. Drive Manual Operation menu screen ..................... 6-14
6-6-2. Disc Type .................................................................. 6-14
6-6-3. Manual Control 1 ...................................................... 6-14
6-6-4. Manual Control 2 ...................................................... 6-15
6-6-5. Manual Control 3 ...................................................... 6-15
6-6-6. Manual Adjust 1 ........................................................ 6-15
6-6-7. Manual Adjust 2 ........................................................ 6-16
6-6-8. Auto Adjust ............................................................... 6-16
6-6-9. Check ....................................................................... 6-16
6-6-10. EEPROM Data screen Display................................ 6-17
6-7. Other Operation............................................................. 6-18
7. ELECTRICAL ADJUSTMENT
7-1. Power Supply Check ..................................................... 7-1
1. HS-930SF/930SU Board ............................................... 7-1
7-2. Adjustment of System Control ...................................... 7-2
1. 27 MHz Free Run .......................................................... 7-2
7-3. Adjustment of Video System
1. Video Level Adjustment ................................................ 7-2
2. S-Terminal Output Check .............................................. 7-2
3. Checking Composite Video Output B-Y ........................ 7-2
4. Checking Composite Video Output R-Y ....................... 7-3
5. Checking Composite Video Output Y ............................ 7-3
6. Checking S Video Output S-C ....................................... 7-3
7. Checking S Video Output DC Level .............................. 7-3
7-4. Adjustment Related Parts Arrangement ....................... 7-4
8. REPAIR PARTS LIST
8-1. Exploded Views ............................................................. 8-1
8-1-1. Case Assembly (S500D) .......................................... 8-1
8-1-2. Front Panel Assembly (S500D) ............................... 8-2
8-1-3. Case Assembly (S505D) .......................................... 8-3
8-1-4. Front Panel Assembly (S505D) ............................... 8-4
8-1-5. Chassis Assembly .................................................... 8-5
8-1-6. DVD Mechanism Chassis Assembly (1) .................. 8-6
8-1-7. DVD Mechanism Chassis Assembly (2) .................. 8-7
8-2. Electrical Parts List........................................................ 8-8
