Appendix
AP4-6
Model PCB type ROM Version No. ROM type Note
U37 16-500-50-1xx CPU 1
16P0049
(MAIN CPU)
U41 16-500-51-1xx CPU 2
16P0052
(PANEL CPU)
U5 16-500-52-1xx
MBM27C1000-15Z-G
PANEL CPU
U18 16-500-49-1xx
EGC-5
16P0034
(DEMOD)
U21 16-500-49-2xx
27CX321-45 DEMOD
U52 16-500-40-1xx MBM27C1000-15Z-G CPU 1
16P0043-33
and after
(CPU)
U1 16-500-41-1xx M5M27C401AK-15
CPU 2
(4M ROM)
16P0043
(CPU)
U1 16-500-41-1xx MBM27C1000-15Z-G
CPU2
(1M ROM)
U18 16-500-42-1xx
16P0034
(DEMOD)
U27 16-500-42-2xx
27CX321-45 DEMOD
U41 16-500-39-1xx
U42 16-500-39-2xx
05P0386
(CONTROL)
U43 16-500-39-3xx
MBM27C1000-20/25
Terminal
(For IC-500)
FELCOM
10
Soft for PC --- 16-500-38-0xx FD Terminal
U6 16-500-86-1xx MBM27C1000A-15Z CPU 1
U18 16-500-87-1xx M5M27C401AK CPU 2
U41 16-500-42-1xx
U43 16-500-42-2xx
AT27HC641R-45DC DEMOD
16P0108
(CONTROL)
U21 --- AT28C64 FW/RT ID
U41 16-500-90-1xx
U42 16-500-90-2xx
05P0386
(CONTROL)
U43 16-500-90-3xx
MBM27C1000A-15Z
Terminal
(For IC-511)
FELCOM
11
IB-581 16-500-91-0xx FD Terminal
U39 16-501-12-1xx M27C1001-10F1 CPU 1
U44 16-501-14-1xx HN27C1024HG-85 DEMOD
U26 16-501-18-1xx
MBM29F400TA-
12PFTN
CPU 2
(Update from FD)
16P0148
(CPU)
U11 ---
M6M80041P
(EEPROM)
FW/RT ID
FELCOM
12
IB-581 --- 16-501-16-1xx FD Terminal