– 3 –
TABLE OF CONTENTS
Section Title Page Section Title Page
1. GENERAL ................................................................... 1-1
2. DISASSEMBLY
2-1. Upper Case ................................................................... 2-1
2-2. Front Panel Assembly ................................................... 2-1
2-3. Loading Assembly ......................................................... 2-2
2-4. Optical Device (KHM-310BAA) ..................................... 2-3
2-5. DC Motor and MS-203 Board ....................................... 2-4
2-6. MV-044 Board................................................................ 2-4
2-7. Switching Regulator ...................................................... 2-5
2-8. Internal Views ................................................................ 2-6
2-9. Circuit Boards Location................................................. 2-7
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
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
IF-113 (INTERFACE CONTROL)
Printed Wiring Board ..................................................... 4-21
IF-113 (INTERFACE CONTROL)
Schematic Diagram ....................................................... 4-23
MS-203 (LOADING MOTOR) Printed Wiring Board
and Schematic Diagram ................................................ 4-25
POWER SUPPLY BLOCK (SRV1501WW)
(SWITCHING REGULATOR) Printed Wiring Board ..... 4-27
POWER SUPPLY BLOCK (SRV1501WW)
(SWITCHING REGULATOR) Schematic Diagram ....... 4-29
5. IC PIN FUNCTION DESCRIPTION
5-1. System Control Pin Function
(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 (SRV1501WW)
(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 OutputY .......................... 7-3
6. Checking Component Video Output B-Y ...................... 7-3
7. Checking Component Video Output R-Y ...................... 7-3
8. REPAIR PARTS LIST
8-1. Exploded Views ............................................................. 8-1
8-1-1. Main Section............................................................. 8-1
8-1-2. Mechanism Deck Section ........................................ 8-2
8-2. Electrical Parts List ....................................................... 8-3