18
KDC-237SA/237SAY
KDC-237SG/237SGY
Press [
] key. (Exit ROM data transfer mode.)
Turn power off.
Remove front-end (A1).
FRONT-
END (A1)
E2PROM
E2PROM
SYSTEM
µ
-COM (IC1)
Mother unit (X34-)
t
FRONT-
END (A1)
E2PROM
SYSTEM
µ
-COM (IC1)
Mother unit (X34-)
r
Install new front-end (A1).
No ROM correction or other data status.
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)
Press [
] key. (Exit ROM data transfer mode.)
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
ROM DATA TRANSFER PROCESSES
