Terminal Unit - Furuno FELCOM 12 Service Manual

2. Terminal Unit (IB-581)
T. BOARD
(16P0141)
LCD
Power supply
for LCD
illumination
VR
(16P0145)
IB-581
Figure 3-3 Block Diagram of Terminal Unit (IB-581)
LCD
control
VGA CARD
(AR-B1041)
FDD
(FD-235HF-7529)
±5V/±12V
+5V
POWER
(ACE-870C-B1)
POWER
2A
BREAKER
3-3
COM 1 DET 1
CPU CARD
(AR-B1374)
COM 2
CPU
80386SX-33
PRINTER
SIMM MODULE
×
256k 4
FLASH ROM
(AT29C040) KEYBOARD
+24V
+24V
FIL
(16P0144)
IC-212
PRINTER
(PP-510)
KEY BOARD
(BTC-5100C PS/2)