
– 3 –
TABLE OF CONTENTS
Section Title Page Section Title Page
Service Note ............................................................................ 4
1. GENERAL
Index to Parts and Controls .......................................... 1-1
Getting Started .............................................................. 1-3
Hookups ........................................................................ 1-4
Playing Discs ................................................................. 1-7
Searching for a Scene................................................... 1-11
Viewing Information About the Disc.............................. 1-12
Sound Adjustments ....................................................... 1-13
Enjoying Movies ............................................................ 1-15
Using Various Additional Functions .............................. 1-16
Settings and Adjustments ............................................. 1-18
Additional Information ................................................... 1-21
2. DISASSEMBLY
2-1. Upper Case Removal .................................................... 2-1
2-2. Reinforcement (C) Block Removal................................ 2-1
2-3. Front Panel Section Removal........................................ 2-1
2-4. Rear Panel Block Removal ........................................... 2-1
2-5. AV-60 Board Removal ................................................... 2-2
2-6. MB-101 Board Removal................................................ 2-2
2-7. Table Ass’y Removal ..................................................... 2-2
2-8. CN-143 Board Removal ................................................ 2-2
2-9. BU Holder Ass’y Removal............................................. 2-3
2-10. Optical Pick-up Removal ............................................... 2-3
2-11. Chassis Ass’y Removal................................................. 2-3
2-12. Loading Motor Ass’y (M851) Removal.......................... 2-3
2-13. Power Block Removal ................................................... 2-4
2-14. Internal Views ................................................................ 2-5
2-15. Circuit Boards Location ................................................. 2-6
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram................................................... 3-1
3-2. RF/Servo Block Diagram............................................... 3-3
3-3. Signal Process Block Diagram...................................... 3-5
3-4. Video Block Diagram..................................................... 3-7
3-5. System Control Block Diagram ..................................... 3-9
3-6. Audio (1) Block Diagram ............................................... 3-11
3-7. Audio (2) Block Diagram ............................................... 3-13
3-8. Interface Control Block Diagram ................................... 3-15
3-9. Power (1) Block Diagram .............................................. 3-17
3-10. Power (2) Block Diagram .............................................. 3-19
4. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS
4-1. Frame Schematic Diagram............................................ 4-3
FRAME (1)..................................................................... 4-3
FRAME (2)..................................................................... 4-5
4-2. Printed Wiring Boards and Schematic Diagrams ......... 4-7
MB-101 Printed Wiring Board ....................................... 4-7
MB-101 (RF AMP, SERVO) Schematic Diagram .......... 4-11
MB-101 (ARP, SERVO DSP) Schematic Diagram........ 4-13
MB-101 (AV DECODER) Schematic Diagram.............. 4-15
MB-101 (BNR) Schematic Diagram .............................. 4-17
MB-101 (DRIVE) Schematic Diagram .......................... 4-19
MB-101 (SYSTEM CONTROL)
Schematic Diagram ....................................................... 4-21
MB-101 (CLOCK GENERATOR)
Schematic Diagram ....................................................... 4-23
MB-101 (FLASH MEMORY, OTP)
Schematic Diagram ....................................................... 4-25
MB-101 (AUDIO DSP) Schematic Diagram.................. 4-27
MB-101 (2ch/6ch DAC) Schematic Diagram ................ 4-29
MB-101 (H3GA) Schematic Diagram............................ 4-31
MB-101 (SACO DECODER) Schematic Diagram ........ 4-33
MB-101 (DSD DSP) Schematic Diagram ..................... 4-35
AV-60 Printed Wiring Board .......................................... 4-37
AV-60 (VIDEO BUFFER) Schematic Diagram.............. 4-39
AV-60 (MUTE) Schematic Diagram ............................. 4-41
AV-60 (AUDIO AMP) Schematic Diagram .................... 4-43
FR-180 (FUNCTION SWITCH) Printed Wiring Board
and Schematic Diagram............................................... 4-45
IF-85 Printed Wiring Board ........................................... 4-47
IF-85 Schematic Diagram ............................................. 4-49
FL-124, SW-356, HP-133 Printed Wiring Boards ........ 4-51
FL-124 (FUNCTION SWITCH),
SW-356 (FUNCTION SWITCH),
HP-133 (HEADPHONE) Schematic Diagrams ............. 4-53
CN-143, LM-64 Printed Wiring Boards ......................... 4-55
CN-143 (CONNECTION), LM-64 (LOADING MOTOR)
Schematic Diagram ....................................................... 4-57
SE-123, TM-125 Printed Wiring Board ......................... 4-59
SE-123 (SENSOR), TM-125 (TURNTABLE MOTOR)
Schematic Diagram ....................................................... 4-61
MPN4801 Printed Wiring Board.................................... 4-63
MPN4801 Schematic Diagram...................................... 4-65
5. IC PIN FUNCTION DESCRIPTION
5-1. System Control Pin Function
(MB-101 Board IC104) .................................................. 5-1
6. TEST MODE
6-1. General Description ...................................................... 6-1
6-2. Starting Test Mode ........................................................ 6-1
6-3. Syscon Diagnosis.......................................................... 6-1
6-4. Drive Auto Adjustment .................................................. 6-5
6-5. Drive Manual Operation ................................................ 6-7
6-6. Mecha Aging ................................................................. 6-10
6-7. Emergency History........................................................ 6-10
6-8. Version Information ....................................................... 6-11
6-9. Video Level Adjustment ................................................ 6-11
6-10. IF CON Self Diagnostic Function .................................. 6-11
6-11. Troubleshooting ............................................................. 6-18
7. ELECTRICAL ADJUSTMENT
7-1. Power Supply Adjustment ............................................. 7-1
1. Power Supply Check (MPN4801 Board)....................... 7-1
2. +11 V Adjustment .......................................................... 7-1
3. +5 V Adjustment ............................................................ 7-1
4. –11 V Adjustment .......................................................... 7-1
7-2. Adjustment of Video System ......................................... 7-2
1. Video Level Adjustment (MB-101 Board) ..................... 7-2
2. Checking S Video Output S-Y....................................... 7-2
3. Checking S Video Output S-C....................................... 7-2
4. Checking Component Video OutputY .......................... 7-2
5. Checking Component Video Output B-Y ...................... 7-3
6. Checking Component Video Output R-Y ...................... 7-3
7-3. Adjustment Related Parts Arrangement ....................... 7-4
8. REPAIR PARTS LIST
8-1. Exploded Views ............................................................. 8-1
8-1-1. Main Assembly ......................................................... 8-1
8-1-2. Front Panel Assembly .............................................. 8-3
8-1-3. Table Assembly ........................................................ 8-4
8-1-4. Chassis Assembly .................................................... 8-5
8-2. Electrical Parts List ....................................................... 8-6