JVC MC-8100U, Service Manual, Page: 2 / 100

TABLE OF CONTENTS
Section Title Page Section Title Page
Important Safety Precautions
INSTRUCTIONS
1. CIRCUIT BOARD COMPATIBILITY ............................. 1-1
2. PRODUCT SPECIFIC SERVICE ITEMS
2.1 REMOVAL OF MAJOR PARTS ............................. 2-1
2.1.1 REPLACEMENT OF FUSES AND BATTERIES ...... 2-1
2.1.2 OPENING/CLOSING THE DOOR AND PANEL REMOVAL ....... 2-2
2.1.3 REMOVING THE MAGAZINE ............................... 2-3
2.1.4 REMOVING THE DRIVE ....................................... 2-4
2.1.5 REMOVING THE SIDE STAY R ............................. 2-4
2.1.6 REMOVING THE CARRIER MECHANISM ........... 2-5
2.1.7 REMOVING THE SIDE PANEL L .......................... 2-6
2.1.8 REMOVING THE SIDE PANEL R .......................... 2-6
2.1.9 REMOVING THE REAR PANEL ............................ 2-6
2.1.10 REMOVING THE POWER SUPPLY UNIT ............. 2-6
2.1.11 REMOVING THE CHASSIS PCB ........................... 2-7
2.1.12 REMOVING THE SCSI PCB .................................. 2-7
2.1.13 REMOVING THE MAIL SLOT ............................... 2-8
2.1.14 REMOVING THE TOP PANEL .............................. 2-8
2.1.15 REMOVING THE U/D MOTOR .............................. 2-9
2.1.16 HOW TO OPERATE WITH THE DOOR OPEN (FOR SERVICING) ... 2-9
2.2
SPECIAL OPERATION MODE ............................ 2-10
2.2.1 RUNNING MODES ............................................. 2-10
2.2.2 ACCESS COUNTER CLEARANCE ...................... 2-12
2.2.3 MANUAL OPERATION ....................................... 2-12
2.2.4 PACKING MODE ................................................ 2-14
2.2.5 TRAY AUTO RETURN MODE ............................. 2-14
2.2.6 MEMORY CLEAR MODE ................................... 2-14
2.2.7 DISC/TRAY CHECK MODE ................................. 2-15
2.2.8 AUTO CHECK MODE ......................................... 2-15
2.2.9 DRIVE DETECTION MODE ................................. 2-15
2.2.10 AUTO DISC/TRAY CHECK ON/OFF SETTING ..... 2-16
2.3
SELF-DIAGNOSTIC DISPLAY .............................. 2-16
2.3.1 DISPLAYING TROUBLE HISTORY ...................... 2-16
2.3.2 DISPLAY WHEN TROUBLE OCCURS ................ 2-17
2.3.3 ERASING THE TROUBLE HISTORY ................... 2-18
2.3.4 ERROR CODE LIST ............................................ 2-18
2.4
MAINTENANCE MODE ...................................... 2-19
2.4.1 OUTLINE ............................................................. 2-19
2.4.2 ELECTRICAL SPECIFICATIONS .......................... 2-19
2.4.3 MAINTENANCE TYPES AND CONDITIONS ....... 2-19
2.4.4 ACTIVATING THE MAINTENANCE MODE ......... 2-19
2.4.5 MAINTENANCE PROGRAM ............................... 2-19
2.5
MAINTENANCE AND PERIODICAL CHECK ....... 2-20
2.6 COUNTERMEASURES AGAINST
MECHANICAL TROUBLE (FOR MC-R400U) ...... 2-21
2.7 COUNTERMEASURES AGAINST
MECHANICAL TROUBLE (FOR MC-R200U) ...... 2-22
3. DIAGRAMS AND CIRCUIT BOARDS
3.1 CD/DVD LIBRARY BLOCK DIAGRAM .................. 3-1
3.2 CHASSIS BLOCK DIAGRAM ................................ 3-2
3.3 OVERALL WIRING DIAGRAM .............................. 3-3
3.4 CHASSIS SCHEMATIC DIAGRAM ........................ 3-4
3.5 CHASSIS CIRCUIT BOARD .................................. 3-5
3.6 SCSI SCHEMATIC DIAGRAM ............................... 3-6
3.7 SCSI CIRCUIT BOARD .......................................... 3-7
3.8 CARRIER SCHEMATIC DIAGRAM ....................... 3-8
3.9 CARRIER CIRCUIT BOARD .................................. 3-9
3.10 MAIL SLOT SCHEMATIC DIAGRAM .................. 3-10
3.11 MAIL SLOT CIRCUIT BOARD ............................. 3-11
3.12 S. MOT SCHEMATIC DIAGRAM ........................ 3-12
3.13 S. MOT CIRCUIT BOARD ................................... 3-13
3.14 DISPLAY SCHEMATIC DIAGRAM ...................... 3-14
3.15 DISPLAY CIRCUIT BOARD AND OTHER BOARD ....... 3-15
3.16 BLOCK DIAGRAMS OF IC’S ............................... 3-16
4. EXPLODED VIEW AND PARTS LIST
4.1 FINAL ASSEMBLY
M 1
......................................... 4-1
4.2 FINAL ASSEMBLY PARTS LIST
M 1
..................... 4-2
4.3 CARRIER MECHANISM ASSEMBLY
M 2
............ 4-5
4.4 CARRIER MECHANISM ASSEMBLY PARTS LIST
M 2
.... 4-6
4.5 MAIL SLOT ASSEMBLY
M 3
................................ 4-7
4.6 MAIL SLOT ASSEMBLY PARTS LIST
M 3
............ 4-8
4.7 MAGAZINE ASSEMBLY
M 4
................................ 4-9
4.8 MAGAZINE ASSEMBLY PARTS LIST
M 4
............ 4-9
4.9 IL BRACKET ASSEMBLY
M 5
............................. 4-10
4.10 IL BRACKET ASSEMBLY PARTS LIST
M 5
......... 4-10
4.11 U/D MECHANISM ASSEMBLY
M 6
.................. 4-11
4.12 U/D MECHANISM ASSEMBLY PARTS LIST
M 6
..... 4-12
5. ELECTRICAL PARTS LIST
5.1 CHASSIS BOARD ASSEMBLY PARTS LIST
0 1
........... 5-2
5.2 CONNECTOR BOARD ASSEMBLY PARTS LIST
0 2
.... 5-5
5.3 RS232C BOARD ASSEMBLY PARTS LIST
0 3
.... 5-5
5.4 S.MOT BOARD ASSEMBLY PARTS LIST
0 4
.......... 5-5
5.5 SCSI BOARD ASSEMBLY PARTS LIST
0 5
......... 5-6
5.6 DISPLAY BOARD ASSEMBLY PARTS LIST
0 6
... 5-7
5.7 MAIL CN BOARD ASSEMBLY PARTS LIST
0 7
... 5-7
5.8 ROT SENSOR BOARD ASSEMBLY PARTS LIST
0 8
... 5-7
5.9 MG SENSOR BOARD ASSEMBLY PARTS LIST
0 9
.... 5-7
5.10 CARRIER MEC BOARD ASSEMBLY PARTS LIST
1 0
... 5-8
5.11 R CATCH BOARD ASSEMBLY PARTS LIST
1 1
........... 5-8
5.12 L CATCH BOARD ASSEMBLY PARTS LIST
1 2
........... 5-8
5.13 LOADING BOARD ASSEMBLY PARTS LIST
1 3
.......... 5-9
5.14 TRAY LOCK BOARD ASSEMBLY PARTS LIST
1 4
....... 5-9
5.15 LANE2 SEN BOARD ASSEMBLY PARTS LIST
1 5
....... 5-9
5.16 L ADD SEN BOARD ASSEMBLY PARTS LIST
1 6
....... 5-9
5.17 R ADD SEN BOARD ASSEMBLY PARTS LIST
1 7
....... 5-9
5.18 DISK SEN R BOARD ASSEMBLY PARTS LIST
1 8
....... 5-9
5.19 DISK SEN T BOARD ASSEMBLY PARTS LIST
1 9
.... 5-10
5.20 MAIL SLOT BOARD ASSEMBLY PARTS LIST
2 0
.... 5-10
5.21 SENSOR BOARD ASSEMBLY PARTS LIST
2 1
......... 5-10
5.22 POSI IN BOARD ASSEMBLY PARTS LIST
2 2
.......... 5-10
6. PACKING ..................................................................... 6-1