20
KDC-W4044UA/W4044UAY/W4044UG/W4044UGY
KDC-W413UA/W413UAY/W4544U/W4644UY
Press
[ ]
key. (Exit ROM data transfer mode.)
Turn power off.
Remove front-end (A1).
FRONT-
END (A1)
E2PROM
SYSTEM
μ
-COM (IC1)
Mother unit (X34-)
r
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
Turn power on.
Press and hold the [1] and [3] keys press reset button. (Enter
the system in the test mode.)
Press [B.BOOST] key. (Enter the system in ROM data
transfer mode.)
Press
[
]
(or
[
]
.) (Select WRT)
Press
[ ]
key for 1 second or longer. (Data transfer)
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
W-OK
Press
[ ]
key. (Exit ROM data transfer mode.)
ROM DATA TRANSFER PROCESSES