Mitsubishi MELDAS M600 Series, Руководство по обслуживанию, Страница: 4 / 61

CONTENTS
1. OUTLINE ................................................................................................................................. 1
1.1 System Configuration .................................................................................................. 1
1.1.1 Outline drawing ................................................................................................... 1
1.1.2 System outline drawing ....................................................................................... 2
1.1.3 Configuration ....................................................................................................... 3
2. EXPLANATION OF MODULE FUNCTIONS ....................................................................... 6
2.1 HR111 Card ................................................................................................................ 6
2.2 HR121 Card ................................................................................................................ 8
2.3 HR081 Card ................................................................................................................ 10
2.4 HR841 Card ................................................................................................................ 12
2.5 HR273 Card ................................................................................................................ 13
2.6 HR371 Card ................................................................................................................ 14
2.7 HR325, 327, 335, 337 Cards ...................................................................................... 15
2.8 Floppy Disk ................................................................................................................. 17
3. TROUBLESHOOTING ......................................................................................................... 18
3.1 List of Unit LEDs ......................................................................................................... 18
3.2 Troubleshooting .......................................................................................................... 20
3.2.1 Confirmation of trouble state ............................................................................... 20
3.2.2 When in trouble ................................................................................................. 21
4. DAILY MAINTENANCE AND PERIODIC INSPECTION AND MAINTENANCE................. 27
4.1 Maintenance Tools...................................................................................................... 27
4.2 Maintenance Items...................................................................................................... 28
4.3 Replacement Methods ................................................................................................ 29
4.3.1 Cable ................................................................................................................... 29
4.3.2 Durable parts ....................................................................................................... 31
(1) Battery................................................................................................................... 31
(2) Backlight ............................................................................................................... 32
(3) Cooling fan ............................................................................................................ 33
(4) Hard disk (HDD).................................................................................................... 34
(5) Floppy disk (FDD) ................................................................................................. 37
4.3.3 Unit ...................................................................................................................... 38
(1) Control unit............................................................................................................ 38
(2) Control section ...................................................................................................... 39
(3) Display section (LCD panel) ................................................................................. 40
(4) Base I/O unit ......................................................................................................... 41
(5) External power supply unit (PD25)........................................................................ 42
(6) PCMCIA card ........................................................................................................ 43
(7) Keyboard............................................................................................................... 44
4.3.4 Control PCB......................................................................................................... 45
(1) Control section power supply PCB (HR081) ......................................................... 45
(2) PCMCIA interface PCB (HR841) .......................................................................... 46
(3) Backlight power supply PCB ................................................................................. 47
(4) LCD signal interface PCB (HR273)....................................................................... 48
(5) Expansion PCB ..................................................................................................... 49
(6) Cassette memory .................................................................................................. 50
(7) Card-sized I/O (HR361, HR371) ........................................................................... 51
4.4 Cleaning and Handling................................................................................................ 52
4.4.1 Escutcheon.......................................................................................................... 52
4.4.2 Floppy disk drive ................................................................................................. 52
4.4.3 Hard disk ............................................................................................................. 55
4.4.4 LCD panel ........................................................................................................... 55
4.4.5 PCMCIA card....................................................................................................... 56