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
Playing Discs ................................................................. 1-3
Using Various Functions with the Control Menu ........... 1-6
Settings and Adjustments ............................................. 1-12
Additional Information ................................................... 1-16
2. DISASSEMBLY
2-1. Case Removal ............................................................... 2-1
2-2. Front Panel Section Removal ........................................ 2-1
2-3. MB-85 Board Removal .................................................. 2-1
2-4. AU-215 Board Removal ................................................ 2-1
2-5. Rear Panel Section Removal ........................................ 2-2
2-6. Table AssÕy Removal ..................................................... 2-2
2-7. Rotary Motor AssÕy (M951) Removal ............................ 2-2
2-8. Chassis AssÕy ................................................................ 2-2
2-9. Loading Motor AssÕy (M991) Removal .......................... 2-3
2-10. BU Holder AssÕy Removal ............................................. 2-3
2-11. TK-53 Board Removal ................................................... 2-3
2-12. Optical Pick-up Removal ............................................... 2-3
2-13. Internal View .................................................................. 2-4
2-14. Circuit Boards Location ................................................. 2-5
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram.................................................. 3-1
3-2. RF/Servo Block Diagram.............................................. 3-3
3-3. Signal Process/Video Block Diagram........................... 3-5
3-4. System Control Block Diagram ..................................... 3-7
3-5. Audio (1) Block Diagram ............................................... 3-9
3-6. Audio (2) Block Diagram ............................................... 3-11
3-7. Interface Control Block Diagram ................................... 3-13
3-8. Power Block Diagram .................................................... 3-15
4. PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS
4-1. Frame Schematic Diagram........................................... 4-3
4-2. Printed Wiring Boards and Schematic Diagrams ......... 4-7
TK-53 (RF/SERVO) Printed Wiring Board .................... 4-7
TK-53 (RF/SERVO) Schematic Diagram ...................... 4-11
SE-91 (SENSOR), LE-24 (LED)
Printed Wiring Boards and Schematic Diagram ........... 4-13
MB-85 (SIGNAL PROCESS)
Printed Wiring Board ..................................................... 4-15
MB-85 (AV DECODER) Schematic Diagram ................ 4-19
MB-85 (SDRAM) Schematic Diagram .......................... 4-21
MB-85 (SERVO DSP) Schematic Diagram ................... 4-23
MB-85 (DRIVE) Schematic Diagram ............................ 4-25
MB-85 (ARP) Schematic Diagram ................................ 4-27
MB-85 (SYSTEM CONTROL)
Schematic Diagram ....................................................... 4-29
MB-85 (HGA) Schematic Diagram ................................ 4-31
MB-85 (CLOCK GENERATOR/AUDIO DSP/
V EQ/NR) Schematic Diagram ...................................... 4-33
MB-85 (DAC) Schematic Diagram ................................ 4-35
MB-85 (BIAS) Schematic Diagram ............................... 4-37
AU-215 (AUDIO/VIDEO BUFFER)
Printed Wiring Board ..................................................... 4-39
AU-215 (AUDIO) Schematic Diagram ........................... 4-43
AU-215 (VIDEO BUFFER) Schematic Diagram ........... 4-45
FL-104 (FUNCTION SWITCH/IF CON), SW-321
(FUNCTION SWITCH) and CK-88 (CONNECTION)
Printed Wiring Boards ................................................... 4-47FL-104 (FUNCTION SWITCH), SW-321 (FUNCTION
SWITCH) and CK-88 (CONNECTION)
Schematic Diagram ....................................................... 4-51
FL-104 (IF CON) Schematic Diagram .......................... 4-53
FR-154 (IR/POWER SWITCH)
Printed Wiring Boards and Schematic Diagram ........... 4-55
HP-114 (HEADPHONE) Printed Wiring Boards
and Schematic Diagram ................................................ 4-57
LM-59 (LOADING MOTOR), CK-81 (DRIVE)
Printed Wiring Boards ................................................... 4-59
LM-59 (LOADING MOTOR), CK-81 (DRIVE)
Schematic Diagram ....................................................... 4-61
HS-034SF (SWITCHING REGULATOR)
Printed Wiring Board ..................................................... 4-63
HS-034SF (SWITCHING REGULATOR)
Schematic Diagram ....................................................... 4-65
HS-034SU (SWITCHING REGULATOR)
Printed Wiring Board ..................................................... 4-67
HS-034SU (SWITCHING REGULATOR)
Schematic Diagram ....................................................... 4-69
5. IC PIN FUNCTION DESCRIPTION
5-1. System Control Pin Function
(MB-85 Board IC202) .................................................... 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 ................................................................. 6-9
6-7. Emergency History ........................................................ 6-9
6-8. Version Information ....................................................... 6-10
6-9. Video Level Adjustment ................................................ 6-10
7. ELECTRICAL ADJUSTMENTS
7-1. Power Supply Adjustment ............................................. 7-1
1. Power Supply Check
(HS-034SF/034SU BOARD) ......................................... 7-1
7-2. Adjustment of Video System ......................................... 7-2
1. Video Level Adjustment (MB-85 BOARD) .................... 7-2
2. S-terminal Output Check (MB-85 BOARD) .................. 7-2
3. Checking Component Video Output B-Y
(MB-85 BOARD) ............................................................ 7-2
4. Checking Component Video Output R-Y
(MB-85 BOARD) ............................................................ 7-2
5. Checking Component Video Output Y
(MB-85 BOARD) ............................................................ 7-3
6. Checking S Video Output S-C (MB-85 BOARD) .......... 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 .............................................. 8-2
8-1-3. Table Assembly ........................................................ 8-3
8-1-4. Chassis Assembly .................................................... 8-4
8-2. Electrical Parts List ....................................................... 8-5
