Appendix
AP4-3
Model PCB type ROM Version No. ROM type Note
05P0373
(PANEL)
U1 05-501-29-1xx
HD63B01Y0RDS7P
(Mask ROM)
Main CPU
(05S9131-0)
FM-7000
05P0377
(
SUB-CPU)
U1 05-501-30-1xx
HD63B01Y0RDS8P
(Mask ROM)
Sub CPU
(05S9132-0)
05P0373
(PANEL)
U1 05-501-29-1xx
HD63B01Y0RDS7P
(Mask ROM)
Main CPU
(05S9131-0)
05P0377
(SUB-CPU)
U1 05-501-30-1xx
HD63B01Y0RDS8P
(Mask ROM)
Sub CPU
(05S9132-0)
05P0407
-none
(CONTROL)
05-501-39-141 M27C4001-10F1
DSC CONTROL
For Old type
LCD(yellow)
Full parts
05P0407D
(CONTROL)
U8
05-501-39-142
and after
M27C4001-10F1
DSC CONTROL
For new LCD
type (green)
Reject parts
U2 05-501-40-1xx
Note)
FM-7500
05P0370A
(MODEM)
U3 05-501-40-2xx
WS57C49C-45D DSC MODEM
FM-8000
05P0575
(CPU)
U6 05-501-66-1xx HD6475328CP-10 Control
U2 05-501-83-1xx HD6475328CP-10 RT
FM-8500
05P0616
(CONTROL)
U4 05-501-82-1xx M27C4001-10F1 DSC
U2 05-501-93-1xx HD6475328CP-10 RT
FM-8700
05P0616A
(CONTROL)
U4 05-501-92-1xx M27C4001-10F1 DSC
05P0714
(CONT)
U2 05-502-03-1xx AT28C64B-15TC RT
FM-2721
(FD:both for
RT and HS)
05P0716
(HS C0NT)
U2 05-502-04-1xx HD64F3067RF20
HS-2721
(Hand set)
Note) Refer to section “4.2 Compatibility of CONTROL board,
and LCD module changed”.