Kenwood DPX-MP3110 Service Manual page 21

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)
[ ]
Mother unit (X34-)
FRONT-
END (A1)
E2PROM
The system μ-COM (IC1) copies
the data in the front-end (A1) in the
E2PROM on the mother unit (X34-)
In case of [2]
READ OK
In case of [1] or [3]
READ OK2
Press key. (Exit ROM data transfer mode.)
[ ]
Turn power off.
Remove front-end (A1).
Mother unit (X34-)
FRONT-
END (A1)
ROM DATA TRANSFER PROCESSES
SYSTEM
μ-COM (IC1)
E2PROM
R-OK
R-O2
SYSTEM
μ-COM (IC1)
E2PROM
DPX-MP3110/MP3110S
DPX-MP5110U/MP5110US
Install new front-end (A1).
No ROM correction or other data status.
Mother unit (X34-)
FRONT-
END (A1)
E2PROM
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)
[ ]
Mother unit (X34-)
FRONT-
END (A1)
E2PROM
System μ-COM (IC1) copies
data on the mother unit (X34-) into
E2PROM in the front-end (A1)
In case of [2] or [3]
WRT OK
In case of [1]
WRT OK2
Press [ ] key. (Exit ROM data transfer mode.)
SYSTEM
μ-COM (IC1)
E2PROM
SYSTEM
μ-COM (IC1)
E2PROM
W-OK
W-O2
21