16
KDC-237SA/237SAY
KDC-237SG/237SGY
Turn power on.
Press and hold the [1] and [3] keys and press reset button.
(Enter the system in the test mode.)
Press [B.BOOST] key. (ROM data System enters data trans-
fer mode.)
Press [
] (or [
].) (Select READ)
Press [
] key for 1 second or longer. (Data transfer)
FRONT-
END (A1)
E2PROM
E2PROM
SYSTEM
µ
-COM (IC1)
Mother unit (X34-)
e
The system
µ
-COM (IC1) copies
the data in the front-end (A1) in the
E2PROM on the mother unit (X34-)
READ OK
In case of [2]
In case of [1] or [3]
R-OK
READ OK2
R-O2
FRONT-
END (A1)
E2PROM
SYSTEM
µ
-COM (IC1)
Mother unit (X34-)
r
Press [
] key. (Exit ROM data transfer mode.)
Turn power off.
Remove front-end (A1).
Install new front-end (A1).
No ROM correction or other data status.
FRONT-
END (A1)
E2PROM
E2PROM
SYSTEM
µ
-COM (IC1)
Mother unit (X34-)
t
FRONT-
END (A1)
E2PROM
E2PROM
SYSTEM
µ
-COM (IC1)
Mother unit (X34-)
y
System
µ
-COM (IC1) copies
data on the mother unit (X34-) into
E2PROM in the front-end (A1)
WRT OK
In case of [2] or [3]
In case of [1]
W-OK
WRT OK2
W-O2
Turn power on.
Press and hold the [1] and [3] keys and press reset button.
(Enter the system in the test mode.)
Press [B.BOOST] key. (Start transferring ROM data.)
Press [
] (or [
].) (Select WRT)
Press [
] key for 1 second or longer. (Data transfer)
Press [
] key. (Exit ROM data transfer mode.)
ROM DATA TRANSFER PROCESSES
